Ceco Environmental (CECO)
Ceco Environmental on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, financials, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as industrial & commercial fans & blowers & air purifing equip.
1.9M
Short interest
settlement 2026-09-30
2.8
Days to cover
+0.1 days vs prior
31.3%
Short share of volume
2026-10-23
4,527
Fails to deliver
settlement 2026-09-24
Tue 27 Oct
Next earnings
estimated date
$0
Insider flow, 90 days
0 buys, 0 sells
As of 2026-10-23.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 30 September 2026, short interest in CECO is 1,909,836 shares, up 172,448 shares over the last month. Over the last 48 readings it ranged from 1,511,016 shares (15 October 2024) to 6,010,071 shares (29 May 2026). The latest reading sits at the bottom of that range. At the reported average volume of 687K shares a day that is 2.8 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-09-30 | 1,909,836 | -2.9% | 687,273 | 2.78 |
| 2026-09-15 | 1,967,749 | +13.3% | 724,311 | 2.72 |
| 2026-08-31 | 1,737,388 | +6.3% | 648,077 | 2.68 |
| 2026-08-14 | 1,634,619 | -7.2% | 1,039,279 | 1.57 |
| 2026-07-31 | 1,761,490 | -4.0% | 985,465 | 1.79 |
| 2026-07-15 | 1,834,230 | -15.2% | 718,544 | 2.55 |
| 2026-06-30 | 2,162,403 | +13.4% | 853,138 | 2.53 |
| 2026-06-15 | 1,906,224 | -68.3% | 1,095,473 | 1.74 |
| 2026-05-29 | 6,010,071 | +16.4% | 1,034,759 | 5.81 |
| 2026-05-15 | 5,164,985 | +21.2% | 869,700 | 5.94 |
| 2026-04-30 | 4,262,101 | +22.9% | 674,344 | 6.32 |
| 2026-04-15 | 3,466,664 | -0.6% | 397,791 | 8.71 |
| 2026-03-31 | 3,486,989 | +10.4% | 650,126 | 5.36 |
| 2026-03-13 | 3,158,867 | +27.3% | 784,837 | 4.02 |
| 2026-02-27 | 2,481,615 | +34.5% | 854,664 | 2.90 |
| 2026-02-13 | 1,844,834 | -9.7% | 295,780 | 6.24 |
| 2026-01-30 | 2,042,073 | -6.0% | 256,822 | 7.95 |
| 2026-01-15 | 2,172,244 | +1.4% | 219,002 | 9.92 |
| 2025-12-31 | 2,142,248 | -3.6% | 287,340 | 7.46 |
| 2025-12-15 | 2,222,376 | -3.1% | 295,365 | 7.52 |
| 2025-11-28 | 2,293,154 | +4.4% | 341,961 | 6.71 |
| 2025-11-14 | 2,195,811 | -17.8% | 395,186 | 5.56 |
| 2025-10-31 | 2,671,385 | +16.5% | 649,859 | 4.11 |
| 2025-10-15 | 2,292,957 | -3.9% | 548,686 | 4.18 |
| 2025-09-30 | 2,384,929 | +5.8% | 713,399 | 3.34 |
| 2025-09-15 | 2,253,829 | -4.0% | 522,079 | 4.32 |
| 2025-08-29 | 2,348,475 | +7.7% | 362,631 | 6.48 |
| 2025-08-15 | 2,179,841 | +1.7% | 482,711 | 4.52 |
| 2025-07-31 | 2,144,125 | -12.5% | 408,392 | 5.25 |
| 2025-07-15 | 2,451,579 | -0.6% | 198,152 | 12.37 |
| 2025-06-30 | 2,465,734 | +9.8% | 310,369 | 7.94 |
| 2025-06-13 | 2,246,097 | -9.1% | 250,110 | 8.98 |
| 2025-05-30 | 2,470,078 | +20.3% | 199,193 | 12.40 |
| 2025-05-15 | 2,053,886 | -10.1% | 273,205 | 7.52 |
| 2025-04-30 | 2,285,273 | +7.5% | 361,939 | 6.31 |
| 2025-04-15 | 2,126,004 | +4.0% | 305,361 | 6.96 |
| 2025-03-31 | 2,043,439 | -7.1% | 318,447 | 6.42 |
| 2025-03-14 | 2,199,327 | -1.8% | 227,082 | 9.69 |
| 2025-02-28 | 2,238,552 | +11.2% | 333,767 | 6.71 |
| 2025-02-14 | 2,013,554 | +10.1% | 196,791 | 10.23 |
| 2025-01-31 | 1,828,097 | -13.0% | 412,372 | 4.43 |
| 2025-01-15 | 2,102,296 | -5.0% | 244,359 | 8.60 |
| 2024-12-31 | 2,211,832 | +9.8% | 229,076 | 9.66 |
| 2024-12-13 | 2,013,713 | +4.1% | 271,925 | 7.41 |
| 2024-11-29 | 1,933,686 | +9.9% | 378,519 | 5.11 |
| 2024-11-15 | 1,759,331 | -4.1% | 360,762 | 4.88 |
| 2024-10-31 | 1,833,928 | +21.4% | 295,176 | 6.21 |
| 2024-10-15 | 1,511,016 | -9.6% | 148,058 | 10.21 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 23 October 2026, the short share of CECO volume is 31.3%, down 0.7 points over the last five sessions. Over the last 30 readings it ranged from 23.1% (15 October 2026) to 64.6% (5 October 2026). The latest reading is 8.8 points below the 30-session average of 40.0%, on 472K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-23 | 148K | 472K | 31.3% | 4,737 |
| 2026-10-22 | 236K | 893K | 26.5% | 7,709 |
| 2026-10-21 | 183K | 567K | 32.3% | 132 |
| 2026-10-20 | 188K | 430K | 43.7% | 0 |
| 2026-10-19 | 171K | 420K | 40.7% | 257 |
| 2026-10-16 | 168K | 526K | 32.0% | 3,191 |
| 2026-10-15 | 106K | 457K | 23.1% | 20,677 |
| 2026-10-14 | 178K | 404K | 44.2% | 4 |
| 2026-10-13 | 188K | 570K | 33.0% | 0 |
| 2026-10-12 | 74K | 167K | 44.6% | 0 |
| 2026-10-09 | 134K | 384K | 34.9% | 3,213 |
| 2026-10-08 | 239K | 516K | 46.4% | 0 |
| 2026-10-07 | 231K | 492K | 46.9% | 0 |
| 2026-10-06 | 90K | 166K | 54.0% | 1,753 |
| 2026-10-05 | 108K | 168K | 64.6% | 4 |
| 2026-10-02 | 178K | 346K | 51.4% | 0 |
| 2026-10-01 | 71K | 175K | 40.4% | 0 |
| 2026-09-30 | 59K | 146K | 40.1% | 691 |
| 2026-09-29 | 80K | 275K | 28.9% | 0 |
| 2026-09-28 | 86K | 155K | 55.3% | 0 |
| 2026-09-25 | 104K | 187K | 55.4% | 22 |
| 2026-09-24 | 150K | 292K | 51.3% | 31 |
| 2026-09-23 | 90K | 199K | 45.5% | 20 |
| 2026-09-22 | 110K | 252K | 43.6% | 700 |
| 2026-09-21 | 108K | 426K | 25.3% | 0 |
| 2026-09-18 | 90K | 275K | 32.9% | 0 |
| 2026-09-17 | 93K | 308K | 30.1% | 0 |
| 2026-09-16 | 116K | 310K | 37.6% | 0 |
| 2026-09-15 | 88K | 326K | 27.1% | 3 |
| 2026-09-14 | 152K | 405K | 37.5% | 105 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 24 September 2026, the fails-to-deliver balance in CECO is 4,527 shares, up 4,526 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (16 September 2026) to 7,540 shares (23 June 2026).
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-24 | 4,527 | $74.99 | $339K |
| 2026-09-16 | 1 | $67.46 | $67 |
| 2026-09-14 | 94 | $78.34 | $7K |
| 2026-08-04 | 1,113 | $68.33 | $76K |
| 2026-08-03 | 71 | $65.89 | $5K |
| 2026-07-31 | 2,452 | $65.54 | $161K |
| 2026-07-17 | 646 | $80.30 | $52K |
| 2026-07-16 | 72 | $80.51 | $6K |
| 2026-07-10 | 62 | $84.32 | $5K |
| 2026-07-06 | 224 | $82.15 | $18K |
| 2026-07-02 | 2 | $85.55 | $171 |
| 2026-07-01 | 301 | $90.74 | $27K |
| 2026-06-30 | 2 | $90.07 | $180 |
| 2026-06-29 | 288 | $91.87 | $26K |
| 2026-06-26 | 2 | $95.09 | $190 |
| 2026-06-25 | 176 | $95.40 | $17K |
| 2026-06-24 | 92 | $96.67 | $9K |
| 2026-06-23 | 7,540 | $99.67 | $752K |
| 2026-06-22 | 7,461 | $98.40 | $734K |
| 2026-06-18 | 2 | $94.46 | $189 |
| 2026-06-17 | 84 | $92.55 | $8K |
| 2026-06-16 | 2 | $95.01 | $190 |
| 2026-06-15 | 2 | $96.74 | $193 |
| 2026-06-12 | 1,505 | $96.41 | $145K |
| 2026-06-11 | 2 | $92.29 | $185 |
| 2026-06-10 | 2 | $95.45 | $191 |
| 2026-06-09 | 2 | $80.53 | $161 |
| 2026-06-08 | 3,156 | $78.02 | $246K |
| 2026-06-05 | 866 | $81.10 | $70K |
| 2026-06-04 | 2 | $79.47 | $159 |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for CECO in the last 90 days. The most recent filings are listed below. Latest filing: Johansson Peter K. (SVP, Chief Financial Officer) on 2026-08-15.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-08-15 | Johansson Peter K. | SVP, Chief Financial Officer | Tax withholding | 3K | $79.59 | $232K | 38K |
| 2026-07-15 | Harris-Peterson Candace | Chief Human Resources Officer | Tax withholding | 890 | $79.03 | $70K | 21K |
| 2026-07-05 | Kovachev Kiril | Chief Accounting Officer | Tax withholding | 460 | $82.15 | $38K | 16K |
| 2026-06-25 | DEZWIREK JASON | Director | Sell | 34K | $97.28 | $3.3M | 132K |
| 2026-06-24 | DEZWIREK JASON | Director | Sell | 34K | $96.61 | $3.3M | 166K |
| 2026-06-24 | Johansson Peter K. | SVP, Chief Financial Officer | Sell | 30K | $96.49 | $2.9M | 41K |
| 2026-06-08 | Harris-Peterson Candace | Chief Human Resources Officer | Grant | 3K | $0.00 | $0 | 22K |
| 2026-06-01 | RICHEY VICTOR L JR | Director | Grant | 6K | price not stated in the filing | not stated | 6K |
| 2026-06-01 | GEORGE MARCUS J | Director | Grant | 37K | price not stated in the filing | not stated | 37K |
| 2026-06-01 | GEORGE MARCUS J | Director | Grant | 2K | $0.00 | $0 | 39K |
| 2026-06-01 | Harris-Peterson Candace | Chief Human Resources Officer | Grant | 6K | price not stated in the filing | not stated | 12K |
| 2026-06-01 | Harris-Peterson Candace | Chief Human Resources Officer | Grant | 3K | price not stated in the filing | not stated | 3K |
| 2026-06-01 | Harris-Peterson Candace | Chief Human Resources Officer | Grant | 1K | price not stated in the filing | not stated | 14K |
| 2026-06-01 | Harris-Peterson Candace | Chief Human Resources Officer | Grant | 5K | price not stated in the filing | not stated | 18K |
| 2026-06-01 | Harris-Peterson Candace | Chief Human Resources Officer | Grant | 625 | price not stated in the filing | not stated | 19K |
| 2026-06-01 | Harris-Peterson Candace | Chief Human Resources Officer | Grant | 3K | price not stated in the filing | not stated | 6K |
| 2026-06-01 | SACHS VALERIE GENTILE | Director | Grant | 3K | $0.00 | $0 | 105K |
| 2026-06-01 | WALLMAN RICHARD F | Director | Buy | 20K | $76.85 | $1.5M | 106K |
| 2026-06-01 | WALLMAN RICHARD F | Director | Grant | 3K | $0.00 | $0 | 233K |
| 2026-06-01 | SIEGEL LAURIE | Director | Grant | 2K | $0.00 | $0 | 22K |
| 2026-06-01 | KNOWLING ROBERT E JR | Director | Grant | 2K | $0.00 | $0 | 13K |
| 2026-06-01 | Nanda Munish | Director | Grant | 2K | $0.00 | $0 | 64K |
| 2026-06-01 | Mannarino Claudio A | Director | Grant | 1K | $0.00 | $0 | 79K |
| 2026-06-01 | DEZWIREK JASON | Director | Grant | 2K | $0.00 | $0 | 1.2M |
| 2026-05-01 | Nanda Munish | Director | Sell | 11K | $74.00 | $830K | 62K |
| 2026-04-29 | WALLMAN RICHARD F | Director | Buy | 5K | $73.80 | $369K | 86K |
| 2026-04-29 | WALLMAN RICHARD F | Director | Buy | 10K | $73.25 | $733K | 230K |
| 2026-03-31 | Johansson Peter K. | SVP, Chief Financial Officer | Tax withholding | 653 | $59.58 | $39K | 71K |
| 2026-03-31 | Gleason Todd R | Chief Executive Officer | Tax withholding | 2K | $59.58 | $126K | 451K |
| 2026-03-31 | Gregory Alyson Noel | General Counsel | Tax withholding | 175 | $59.58 | $10K | 23K |
| 2026-03-17 | Gregory Alyson Noel | General Counsel | Tax withholding | 139 | $57.06 | $8K | 23K |
| 2026-03-17 | Kovachev Kiril | Chief Accounting Officer | Tax withholding | 346 | $57.06 | $20K | 16K |
| 2026-03-17 | Johansson Peter K. | SVP, Chief Financial Officer | Tax withholding | 2K | $57.06 | $90K | 71K |
| 2026-03-16 | Gregory Alyson Noel | General Counsel | Grant | 3K | $0.00 | $0 | 23K |
| 2026-03-16 | Kovachev Kiril | Chief Accounting Officer | Grant | 2K | $0.00 | $0 | 17K |
| 2026-03-16 | Johansson Peter K. | SVP, Chief Financial Officer | Grant | 4K | $0.00 | $0 | 73K |
| 2026-03-15 | Gregory Alyson Noel | General Counsel | Tax withholding | 150 | $54.50 | $8K | 20K |
| 2026-03-15 | Kovachev Kiril | Chief Accounting Officer | Tax withholding | 380 | $54.50 | $21K | 15K |
| 2026-03-15 | Johansson Peter K. | SVP, Chief Financial Officer | Tax withholding | 2K | $54.50 | $94K | 69K |
| 2026-03-15 | Johansson Peter K. | SVP, Chief Financial Officer | Tax withholding | 5K | $54.85 | $272K | 71K |
| 2026-03-15 | Johansson Peter K. | SVP, Chief Financial Officer | Grant | 16K | $0.00 | $0 | 76K |
| 2026-03-15 | Gleason Todd R | Chief Executive Officer | Tax withholding | 30K | $54.85 | $1.6M | 453K |
| 2026-03-15 | Gleason Todd R | Chief Executive Officer | Grant | 75K | $0.00 | $0 | 482K |
| 2026-03-07 | Gleason Todd R | Chief Executive Officer | Tax withholding | 4K | $52.53 | $187K | 407K |
| 2026-03-07 | Gregory Alyson Noel | General Counsel | Tax withholding | 287 | $52.53 | $15K | 20K |
| 2026-01-15 | Gregory Alyson Noel | General Counsel | Grant | 8K | $0.00 | $0 | 21K |
| 2025-09-22 | Gleason Todd R | Chief Executive Officer | Sell | 98K | $50.45 | $4.9M | 411K |
| 2025-09-22 | Gleason Todd R | Chief Executive Officer | Exercise or conversion | 98K | $12.72 | $1.2M | 509K |
| 2025-09-19 | Gleason Todd R | Chief Executive Officer | Sell | 700 | $51.15 | $36K | 411K |
| 2025-09-19 | Gleason Todd R | Chief Executive Officer | Sell | 16K | $50.38 | $816K | 412K |
| 2025-09-19 | Gleason Todd R | Chief Executive Officer | Sell | 85K | $49.10 | $4.2M | 428K |
| 2025-09-19 | Gleason Todd R | Chief Executive Officer | Exercise or conversion | 102K | $12.72 | $1.3M | 513K |
| 2025-09-18 | Gleason Todd R | Chief Executive Officer | Sell | 100K | $51.30 | $5.1M | 411K |
| 2025-09-18 | Gleason Todd R | Chief Executive Officer | Exercise or conversion | 100K | $12.72 | $1.3M | 511K |
| 2025-09-05 | WALLMAN RICHARD F | Director | Buy | 3K | $46.93 | $141K | 81K |
| 2025-08-29 | WALLMAN RICHARD F | Director | Buy | 2K | $44.25 | $66K | 78K |
| 2025-08-29 | WALLMAN RICHARD F | Director | Buy | 3K | $44.25 | $133K | 220K |
| 2025-08-15 | Johansson Peter K. | SVP, Chief Financial Officer | Tax withholding | 2K | $44.61 | $103K | 60K |
| 2025-07-31 | DEZWIREK JASON | Director | Sell | 10K | $43.07 | $447K | 200K |
| 2025-07-31 | DEZWIREK JASON | Director | Sell | 20K | $43.79 | $859K | 210K |
| 2025-07-30 | DEZWIREK JASON | Director | Sell | 4K | $41.36 | $179K | 230K |
| 2025-07-30 | DEZWIREK JASON | Director | Sell | 22K | $42.34 | $931K | 234K |
| 2025-07-30 | DEZWIREK JASON | Director | Sell | 44K | $43.09 | $1.9M | 256K |
| 2025-07-30 | Mannarino Claudio A | Director | Sell | 440 | $40.41 | $18K | 78K |
| 2025-07-30 | Mannarino Claudio A | Director | Sell | 12K | $41.25 | $487K | 78K |
| 2025-07-30 | Mannarino Claudio A | Director | Sell | 8K | $41.98 | $326K | 90K |
| 2025-07-05 | Kovachev Kiril | Chief Accounting Officer | Tax withholding | 460 | $30.00 | $14K | 15K |
| 2025-06-27 | Watkins-Asiyanbi Joycelynn | See Remarks. | Tax withholding | 2K | $29.60 | $46K | 73K |
| 2025-06-03 | Mannarino Claudio A | Director | Grant | 3K | $0.00 | $0 | 98K |
| 2025-06-03 | SIEGEL LAURIE | Director | Grant | 6K | $0.00 | $0 | 20K |
| 2025-06-03 | SACHS VALERIE GENTILE | Director | Grant | 9K | $0.00 | $0 | 102K |
| 2025-06-03 | DEZWIREK JASON | Director | Grant | 6K | $0.00 | $0 | 1.2M |
| 2025-06-03 | WALLMAN RICHARD F | Director | Grant | 10K | $0.00 | $0 | 217K |
| 2025-06-03 | Nanda Munish | Director | Grant | 6K | $0.00 | $0 | 73K |
| 2025-04-01 | Gleason Todd R | Chief Executive Officer | Tax withholding | 4K | $23.09 | $84K | 411K |
| 2025-03-31 | Gleason Todd R | Chief Executive Officer | Tax withholding | 2K | $22.80 | $48K | 414K |
| 2025-03-31 | Johansson Peter K. | See Remarks | Sell | 23K | $22.80 | $513K | 62K |
| 2025-03-31 | Johansson Peter K. | See Remarks | Tax withholding | 653 | $22.80 | $15K | 62K |
| 2025-03-31 | Watkins-Asiyanbi Joycelynn | See Remarks. | Tax withholding | 688 | $22.80 | $16K | 75K |
| 2025-03-27 | Johansson Peter K. | See Remarks | Sell | 6K | $24.15 | $135K | 85K |
| 2025-03-17 | Kovachev Kiril | Chief Accounting Officer | Grant | 4K | $0.00 | $0 | 16K |
| 2025-03-17 | Watkins-Asiyanbi Joycelynn | See Remarks. | Grant | 11K | $0.00 | $0 | 75K |
| 2025-03-17 | Johansson Peter K. | See Remarks | Grant | 12K | $0.00 | $0 | 90K |
| 2025-03-15 | Kovachev Kiril | Chief Accounting Officer | Tax withholding | 464 | $23.25 | $11K | 11K |
| 2025-03-15 | Watkins-Asiyanbi Joycelynn | See Remarks. | Tax withholding | 4K | $23.25 | $102K | 65K |
| 2025-03-15 | Watkins-Asiyanbi Joycelynn | See Remarks. | Grant | 11K | $0.00 | $0 | 69K |
| 2025-03-15 | Johansson Peter K. | See Remarks | Grant | 22K | $0.00 | $0 | 85K |
| 2025-03-15 | Johansson Peter K. | See Remarks | Tax withholding | 6K | $23.25 | $151K | 78K |
| 2025-03-15 | Gleason Todd R | Chief Executive Officer | Tax withholding | 76K | $23.25 | $1.8M | 417K |
| 2025-03-15 | Gleason Todd R | Chief Executive Officer | Grant | 203K | $0.00 | $0 | 492K |
| 2025-03-07 | Gleason Todd R | Chief Executive Officer | Tax withholding | 4K | $24.24 | $85K | 286K |
| 2025-02-26 | WALLMAN RICHARD F | Director | Buy | 14K | $25.19 | $353K | 76K |
| 2025-02-26 | WALLMAN RICHARD F | Director | Buy | 1K | $25.15 | $25K | 207K |
| 2024-08-30 | WALLMAN RICHARD F | Director | Buy | 10K | $28.77 | $288K | 62K |
| 2024-08-15 | Johansson Peter K. | See Remarks | Tax withholding | 3K | $28.20 | $72K | 63K |
| 2024-08-15 | Watkins-Asiyanbi Joycelynn | See Remarks. | Tax withholding | 543 | $28.20 | $15K | 58K |
| 2024-07-06 | Gleason Todd R | Chief Executive Officer | Tax withholding | 9K | $28.46 | $264K | 290K |
| 2024-07-05 | Kovachev Kiril | Chief Accounting Officer | Tax withholding | 457 | $28.46 | $13K | 12K |
| 2024-06-30 | WALLMAN RICHARD F | Director | Grant | 798 | $0.00 | $0 | 206K |
| 2024-06-30 | SACHS VALERIE GENTILE | Director | Grant | 663 | $0.00 | $0 | 93K |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Planned sales (Form 144)
Newest first. JSON5 Form 144 notices on file for CECO worth $18.8M at the prices reported; 0 in the last 90 days worth $0. Latest: Johansson Peter K. filed on 2026-06-24 to sell 30,000 shares ($2.9M) from 2026-06-24.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-06-24 | Johansson Peter K.Officer | 30K | $2.9M | 0.084% | 2026-06-24 | Fidelity Brokerage Services LLC |
| 2026-05-01 | Nanda MunishDirector | 11K | $830K | 0.031% | 2026-05-01 | Fidelity Brokerage Services LLC |
| 2025-09-22 | Gleason Todd ROfficer, Director | 98K | $4.9M | 0.278% | 2025-09-22 | Fidelity Brokerage Services LLC |
| 2025-09-19 | Gleason Todd ROfficer, Director | 102K | $5.0M | 0.288% | 2025-09-19 | Fidelity Brokerage Services LLC |
| 2025-09-18 | Gleason Todd ROfficer, Director | 100K | $5.1M | 0.283% | 2025-09-18 | Fidelity Brokerage Services LLC |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON7 holders report 5% or more of CECO in their latest filing, 2 on Schedule 13D (active intent). The largest reported stake is Jason DeZwirek at 11.7% of the class (4,198,111 shares), filed 2026-02-26 for an event on 2026-02-23.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-08-14 | 13G/Ano. 1 | T. Rowe Price Investment Management, Inc.investment adviser | 2.2M | 3.7% | 2026-06-30 |
| 2026-08-06 | 13G/Ano. 2 | FMR LLCparent holding company | 4.5M | 7.7% | 2026-06-30 |
| 2026-08-06 | 13G/Ano. 2 | Abigail P. Johnsonindividual | 4.5M | 7.7% | 2026-06-30 |
| 2026-02-26 | 13D/Ano. 18 | Jason DeZwirekindividual | 4.2M | 11.7% | 2026-02-23 |
| 2026-02-26 | 13D/Ano. 18 | Icarus Investment Corp.corporation | 2.8M | 7.8% | 2026-02-23 |
| 2026-02-26 | 13D/Ano. 18 | 0to100 Inc.corporation | 200K | 0.6% | 2026-02-23 |
| 2026-02-13 | 13G | American Century Investment Management, Inc.investment adviser | 2.0M | 5.7% | 2025-12-31 |
| 2026-02-13 | 13G | American Century Companies, Inc.parent holding company | 2.0M | 5.7% | 2025-12-31 |
| 2026-02-13 | 13G | Stowers Institute for Medical Researchparent holding company | 2.0M | 5.7% | 2025-12-31 |
| 2026-01-30 | 13G/Ano. 1 | The Vanguard Groupinvestment adviser | 1.8M | 5.0% | 2025-12-31 |
| 2025-11-14 | 13G/Ano. 1 | Hood River Capital Management LLCinvestment adviser | 492K | 1.4% | 2025-09-30 |
| 2025-11-13 | 13G/Ano. 1 | Capital International Investorsinvestment adviser | 1.7M | 4.7% | 2025-09-30 |
13F holders
Tracked managers holding CECO at their latest 13F. JSON6 of the 30 tracked managers held CECO at their latest 13F, $159.9M in total at quarter-end prices. Two Sigma Investments is the largest at $92.0M (0.1% of its portfolio) as of 2026-06-30. Over the prior quarter 4 added shares and 2 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Two Sigma Investments | 2026-06-30 | 1.0M | $92.0M | 0.07% | +54K |
| Millennium Management | 2026-06-30 | 259K | $23.5M | 0.01% | +248K |
| Point72 Asset Management | 2026-06-30 | 196K | $17.8M | 0.02% | +37K |
| Citadel Advisors | 2026-06-30 | 161K | $14.6M | 0.00% | -57K |
| AQR Capital Management | 2026-06-30 | 130K | $11.8M | 0.00% | +37K |
| Bridgewater Associates | 2026-06-30 | 2K | $215K | 0.00% | -7K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
Financials
SEC XBRL, as filed. JSONIn Q2 FY 2026 (quarter ended 2026-06-30) Ceco Environmental reported revenue of $285.0M, up 53.7% from the same quarter a year earlier, and net loss of $34.8M (-0.80 diluted EPS). In FY 2025 it generated $5.9M of operating cash flow. As of 2026-06-30, cash was $61.1M against $727.7M of debt.
- Cash
- $61.1M
- Debt
- $727.7M
- Equity
- $2.08B
- Total assets
- $3.73B
- Shares outstanding
- 58,569,830
Quarterly, last 8 quarters
| Quarter | Period end | Revenue | Net income | Margin | Diluted EPS |
|---|---|---|---|---|---|
| Q2 FY 2026 | 2026-06-30 | $285.0M | -$34.8M | -12.2% | -0.80 |
| Q1 FY 2026 | 2026-03-31 | $205.9M | -$398K | -0.2% | -0.01 |
| Q4 FY 2025derived | 2025-12-31 | $214.7M | $3.1M | 1.4% | n/a |
| Q3 FY 2025 | 2025-09-30 | $197.6M | $1.5M | 0.8% | 0.04 |
| Q2 FY 2025 | 2025-06-30 | $185.4M | $9.5M | 5.1% | 0.26 |
| Q1 FY 2025 | 2025-03-31 | $176.7M | $36.0M | 20.4% | 0.98 |
| Q4 FY 2024derived | 2024-12-31 | $158.6M | $4.9M | 3.1% | n/a |
| Q3 FY 2024 | 2024-09-30 | $135.5M | $2.1M | 1.5% | 0.06 |
Fiscal years, with buybacks and dividends
| Fiscal year | Ends | Revenue | Net income | Operating cash flow | Capex | Buybacks | Dividends |
|---|---|---|---|---|---|---|---|
| FY 2025 | 2025-12-31 | $774.4M | $50.1M | $5.9M | $11.3M | $0 | n/a |
| FY 2024 | 2024-12-31 | $557.9M | $13.0M | $24.8M | $17.4M | $5.0M | n/a |
| FY 2023 | 2023-12-31 | $544.8M | $12.9M | $44.6M | $8.4M | $0 | n/a |
| FY 2022 | 2022-12-31 | $422.6M | $17.4M | $29.6M | $3.4M | $7.0M | n/a |
| FY 2021 | 2021-12-31 | $324.1M | $1.4M | $13.3M | $2.6M | $5.0M | n/a |
Quarters are the three-month figures the company reports; a fourth quarter marked derived is the fiscal year less the three reported quarters, since companies report it only inside the 10-K. Fiscal years are the annual figures. Buybacks are the cash the company paid to repurchase its common stock in the year, not the amount authorized. Balance sheet lines are as of 2026-06-30; shares outstanding as of 2026-08-03 from the cover page.
What this page is
Ceco Environmental in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows Ceco Environmental (CECO), SEC CIK 3197, listed on Nasdaq, classified by the SEC as industrial & commercial fans & blowers & air purifing equip. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-09-30.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-23.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-24.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-06-24.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-08-14.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Financials
- SEC EDGAR 10-K and 10-Q filingsSource: SEC.Weekly; values are as filed in the 10-Q and 10-K. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-08-10.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-08-15.JSON and CSV
- Company record
- EDGAR filing index for CIK 3197Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
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Datasets
Frequently Asked Questions
How much of CECO is sold short?
1,909,836 shares were held short at the 2026-09-30 settlement, 2.8 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is CECO's daily short volume?
On 2026-10-23, 147,681 of the 472,411 CECO shares reported to FINRA were sold short, 31.3% of the day's reported volume. Short volume is a flow for one day, not a position.
Does CECO have fails to deliver?
The SEC's latest file shows 4,527 CECO shares failed to deliver at settlement 2026-09-24. Fails are reported per settlement date and published twice a month with a lag.
Are CECO insiders buying or selling?
No open-market insider trades were reported for CECO in the last 90 days. The most recent filings are listed below. Latest filing: Johansson Peter K. (SVP, Chief Financial Officer) on 2026-08-15.
Have CECO insiders filed to sell?
5 Form 144 notices on file for CECO worth $18.8M at the prices reported; 0 in the last 90 days worth $0. Latest: Johansson Peter K. filed on 2026-06-24 to sell 30,000 shares ($2.9M) from 2026-06-24.
Who owns 5% or more of CECO?
7 holders report 5% or more of CECO in their latest filing, 2 on Schedule 13D (active intent). The largest reported stake is Jason DeZwirek at 11.7% of the class (4,198,111 shares), filed 2026-02-26 for an event on 2026-02-23.
What did CECO report last quarter?
In Q2 FY 2026 (quarter ended 2026-06-30) Ceco Environmental reported revenue of $285.0M, up 53.7% from the same quarter a year earlier, and net loss of $34.8M (-0.80 diluted EPS). In FY 2025 it generated $5.9M of operating cash flow. As of 2026-06-30, cash was $61.1M against $727.7M of debt.
Which tracked 13F managers own CECO?
6 of the 30 tracked 13F managers held CECO shares at their latest filing, $159.9M in all. The largest: Two Sigma Investments (1.0M shares, $92.0M), Izzy Englander's Millennium Management (259K shares, $23.5M), Steve Cohen's Point72 Asset Management (196K shares, $17.8M), Ken Griffin's Citadel Advisors (161K shares, $14.6M), Cliff Asness's AQR Capital Management (130K shares, $11.8M), Ray Dalio's Bridgewater Associates (2K shares, $215K).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.