InfuSystem Holdings (INFU)
InfuSystem Holdings on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on NYSE, classified by the SEC as surgical & medical instruments & apparatus.
813K
Short interest
settlement 2026-10-15
7.6
Days to cover
+2.4 days vs prior
52.9%
Short share of volume
2026-11-02
1,917
Fails to deliver
settlement 2026-09-28
Tue 3 Nov
Next earnings
estimated date
$0
Insider flow, 90 days
0 buys, 0 sells
As of 2026-11-02.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 15 October 2026, short interest in INFU is 813,399 shares, up 1,034 shares over the last month. Over the last 48 readings it ranged from 110,528 shares (27 February 2026) to 893,621 shares (30 June 2026). At the reported average volume of 107K shares a day that is 7.6 days to cover.
Embed this chart.The embed keeps its attribution line.
<iframe src="https://xoomar.com/embed/stocks/infu" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 813,399 | -5.9% | 106,564 | 7.63 |
| 2026-09-30 | 864,075 | +6.4% | 165,686 | 5.22 |
| 2026-09-15 | 812,365 | +7.6% | 114,556 | 7.09 |
| 2026-08-31 | 754,879 | +2.9% | 89,393 | 8.44 |
| 2026-08-14 | 733,834 | -6.0% | 229,940 | 3.19 |
| 2026-07-31 | 780,802 | -4.2% | 136,506 | 5.72 |
| 2026-07-15 | 814,607 | -8.8% | 131,958 | 6.17 |
| 2026-06-30 | 893,621 | +558.9% | 437,534 | 2.04 |
| 2026-06-15 | 135,627 | -18.2% | 137,037 | 1.00 |
| 2026-05-29 | 165,843 | +7.5% | 229,586 | 1.00 |
| 2026-05-15 | 154,323 | -27.4% | 289,289 | 1.00 |
| 2026-04-30 | 212,417 | -0.1% | 112,779 | 1.88 |
| 2026-04-15 | 212,670 | -1.6% | 74,146 | 2.87 |
| 2026-03-31 | 216,234 | +26.2% | 112,386 | 1.92 |
| 2026-03-13 | 171,350 | +55.0% | 133,877 | 1.28 |
| 2026-02-27 | 110,528 | -18.6% | 120,512 | 1.00 |
| 2026-02-13 | 135,696 | +14.0% | 166,915 | 1.00 |
| 2026-01-30 | 119,023 | -30.9% | 134,306 | 1.00 |
| 2026-01-15 | 172,214 | -11.4% | 136,370 | 1.26 |
| 2025-12-31 | 194,364 | +32.3% | 107,984 | 1.80 |
| 2025-12-15 | 146,942 | -4.3% | 114,337 | 1.29 |
| 2025-11-28 | 153,599 | -17.4% | 127,612 | 1.20 |
| 2025-11-14 | 186,076 | +21.2% | 233,955 | 1.00 |
| 2025-10-31 | 153,477 | +5.3% | 157,804 | 1.00 |
| 2025-10-15 | 145,739 | -40.4% | 235,552 | 1.00 |
| 2025-09-30 | 244,516 | +70.5% | 238,061 | 1.03 |
| 2025-09-15 | 143,365 | -12.5% | 263,079 | 1.00 |
| 2025-08-29 | 163,829 | +1.8% | 335,465 | 1.00 |
| 2025-08-15 | 160,876 | +13.7% | 358,015 | 1.00 |
| 2025-07-31 | 141,522 | -15.3% | 114,208 | 1.24 |
| 2025-07-15 | 167,071 | +5.7% | 91,996 | 1.82 |
| 2025-06-30 | 157,998 | -73.9% | 467,535 | 1.00 |
| 2025-06-13 | 605,992 | +19.3% | 123,670 | 4.90 |
| 2025-05-30 | 508,033 | +27.1% | 186,632 | 2.72 |
| 2025-05-15 | 399,674 | +31.0% | 158,033 | 2.53 |
| 2025-04-30 | 305,057 | +19.3% | 141,102 | 2.16 |
| 2025-04-15 | 255,795 | +37.5% | 153,234 | 1.67 |
| 2025-03-31 | 185,979 | +21.6% | 111,869 | 1.66 |
| 2025-03-14 | 152,917 | -17.4% | 184,451 | 1.00 |
| 2025-02-28 | 185,084 | +0.2% | 98,219 | 1.88 |
| 2025-02-14 | 184,698 | +8.9% | 125,201 | 1.48 |
| 2025-01-31 | 169,657 | -11.7% | 103,646 | 1.64 |
| 2025-01-15 | 192,222 | +13.8% | 62,108 | 3.09 |
| 2024-12-31 | 168,961 | -0.6% | 70,195 | 2.41 |
| 2024-12-13 | 169,917 | +3.4% | 65,994 | 2.57 |
| 2024-11-29 | 164,279 | -12.0% | 66,260 | 2.48 |
| 2024-11-15 | 186,762 | -1.6% | 129,828 | 1.44 |
| 2024-10-31 | 189,814 | -2.6% | 37,824 | 5.02 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 2 November 2026, the short share of INFU volume is 52.9%, up 8.6 points over the last five sessions. Over the last 30 readings it ranged from 36.5% (16 October 2026) to 78.1% (5 October 2026). The latest reading is in line with the 30-session average of 54.1%, on 130K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-02 | 69K | 130K | 52.9% | 0 |
| 2026-10-30 | 24K | 41K | 58.5% | 100 |
| 2026-10-29 | 16K | 41K | 38.0% | 0 |
| 2026-10-28 | 45K | 66K | 68.5% | 0 |
| 2026-10-27 | 26K | 50K | 51.7% | 0 |
| 2026-10-26 | 17K | 39K | 44.3% | 0 |
| 2026-10-23 | 34K | 66K | 50.7% | 0 |
| 2026-10-22 | 20K | 39K | 52.4% | 341 |
| 2026-10-21 | 30K | 66K | 44.7% | 0 |
| 2026-10-20 | 23K | 43K | 53.1% | 0 |
| 2026-10-19 | 18K | 38K | 46.4% | 0 |
| 2026-10-16 | 15K | 41K | 36.5% | 0 |
| 2026-10-15 | 25K | 36K | 70.5% | 70 |
| 2026-10-14 | 32K | 48K | 65.3% | 0 |
| 2026-10-13 | 19K | 47K | 40.2% | 100 |
| 2026-10-12 | 22K | 54K | 41.0% | 0 |
| 2026-10-09 | 10K | 21K | 49.4% | 327 |
| 2026-10-08 | 24K | 41K | 59.0% | 0 |
| 2026-10-07 | 24K | 53K | 44.3% | 0 |
| 2026-10-06 | 13K | 25K | 53.3% | 0 |
| 2026-10-05 | 42K | 53K | 78.1% | 0 |
| 2026-10-02 | 32K | 70K | 45.3% | 0 |
| 2026-10-01 | 20K | 38K | 53.9% | 0 |
| 2026-09-30 | 27K | 40K | 68.3% | 0 |
| 2026-09-29 | 24K | 36K | 67.0% | 0 |
| 2026-09-28 | 25K | 37K | 66.5% | 0 |
| 2026-09-25 | 19K | 31K | 59.7% | 0 |
| 2026-09-24 | 16K | 29K | 55.0% | 0 |
| 2026-09-23 | 37K | 60K | 61.4% | 0 |
| 2026-09-22 | 32K | 70K | 46.0% | 0 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 28 September 2026, the fails-to-deliver balance in INFU is 1,917 shares, up 1,795 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (20 June 2025) to 10,123 shares (30 June 2025).
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-28 | 1,917 | $12.71 | $24K |
| 2026-09-21 | 122 | $12.85 | $2K |
| 2026-09-11 | 598 | $12.12 | $7K |
| 2026-09-10 | 1,465 | $12.20 | $18K |
| 2026-09-09 | 37 | $11.89 | $440 |
| 2026-09-03 | 52 | $12.14 | $631 |
| 2026-08-17 | 1,043 | $12.27 | $13K |
| 2026-06-18 | 3,807 | $8.75 | $33K |
| 2026-05-07 | 526 | $10.14 | $5K |
| 2026-04-17 | 2 | $10.23 | $20 |
| 2026-03-04 | 372 | $9.18 | $3K |
| 2026-02-26 | 226 | $8.56 | $2K |
| 2026-02-09 | 4,779 | $7.72 | $37K |
| 2025-12-22 | 195 | $9.20 | $2K |
| 2025-11-18 | 137 | $9.32 | $1K |
| 2025-11-12 | 81 | $10.45 | $846 |
| 2025-11-06 | 239 | $10.00 | $2K |
| 2025-10-15 | 435 | $9.14 | $4K |
| 2025-10-14 | 100 | $9.22 | $922 |
| 2025-09-22 | 875 | $10.00 | $9K |
| 2025-07-02 | 3 | $6.18 | $19 |
| 2025-06-30 | 10,123 | $6.12 | $62K |
| 2025-06-24 | 1,539 | $6.18 | $10K |
| 2025-06-20 | 1 | $6.19 | $6 |
| 2025-06-18 | 48 | $6.16 | $296 |
| 2025-06-11 | 84 | $6.05 | $508 |
| 2025-06-09 | 143 | $6.11 | $874 |
| 2025-06-06 | 192 | $5.93 | $1K |
| 2025-06-04 | 3,000 | $6.06 | $18K |
| 2025-06-02 | 259 | $5.78 | $1K |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for INFU in the last 90 days. The most recent filings are listed below. Latest filing: Funke Jerod (EVP-Chief HR Officer) on 2026-10-09.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-10-09 | Funke Jerod | EVP-Chief HR Officer | Tax withholding | 2K | $13.56 | $28K | 35K |
| 2026-10-09 | Funke Jerod | EVP-Chief HR Officer | Exercise or conversion | 7K | $0.00 | $0 | 37K |
| 2026-09-10 | Shuda Scott | Director | Other transaction | 20K | $0.00 | $0 | 278K |
| 2026-05-18 | Steele Barry G | Executive VP and CFO | Tax withholding | 4K | $8.90 | $34K | 118K |
| 2026-05-18 | Steele Barry G | Executive VP and CFO | Exercise or conversion | 9K | $0.00 | $0 | 122K |
| 2026-05-18 | Lachance Carrie | President and CEO | Tax withholding | 4K | $8.90 | $31K | 266K |
| 2026-05-18 | Lachance Carrie | President and CEO | Exercise or conversion | 9K | $0.00 | $0 | 270K |
| 2026-05-18 | Chupa Addam | Executive VP and CIO | Tax withholding | 2K | $8.90 | $18K | 61K |
| 2026-05-18 | Chupa Addam | Executive VP and CIO | Exercise or conversion | 5K | $0.00 | $0 | 63K |
| 2026-05-17 | Steele Barry G | Executive VP and CFO | Tax withholding | 9K | $8.77 | $82K | 113K |
| 2026-05-17 | Steele Barry G | Executive VP and CFO | Grant | 21K | $0.00 | $0 | 122K |
| 2026-05-17 | Lachance Carrie | President and CEO | Tax withholding | 5K | $8.77 | $47K | 261K |
| 2026-05-17 | Lachance Carrie | President and CEO | Grant | 22K | $0.00 | $0 | 266K |
| 2026-05-17 | Funke Jerod | EVP-Chief HR Officer | Tax withholding | 6K | $8.77 | $57K | 30K |
| 2026-05-17 | Funke Jerod | EVP-Chief HR Officer | Grant | 15K | $0.00 | $0 | 36K |
| 2026-05-17 | Chupa Addam | Executive VP and CIO | Tax withholding | 4K | $8.77 | $39K | 58K |
| 2026-05-17 | Chupa Addam | Executive VP and CIO | Grant | 12K | $0.00 | $0 | 62K |
| 2026-05-16 | Steele Barry G | Executive VP and CFO | Tax withholding | 3K | $8.77 | $29K | 101K |
| 2026-05-16 | Steele Barry G | Executive VP and CFO | Exercise or conversion | 8K | $0.00 | $0 | 104K |
| 2026-05-16 | Lachance Carrie | President and CEO | Tax withholding | 4K | $8.77 | $36K | 244K |
| 2026-05-16 | Lachance Carrie | President and CEO | Exercise or conversion | 10K | $0.00 | $0 | 249K |
| 2026-05-16 | Funke Jerod | EVP-Chief HR Officer | Tax withholding | 2K | $8.77 | $20K | 22K |
| 2026-05-16 | Funke Jerod | EVP-Chief HR Officer | Exercise or conversion | 5K | $0.00 | $0 | 24K |
| 2026-05-16 | Chupa Addam | Executive VP and CIO | Tax withholding | 2K | $8.77 | $14K | 50K |
| 2026-05-16 | Chupa Addam | Executive VP and CIO | Exercise or conversion | 4K | $0.00 | $0 | 52K |
| 2026-05-11 | Lachance Carrie | President and CEO | Buy | 1K | $8.46 | $8K | 238K |
| 2026-05-08 | Lachance Carrie | President and CEO | Buy | 2K | $8.83 | $18K | 237K |
| 2026-05-08 | Steele Barry G | Executive VP and CFO | Buy | 7K | $8.71 | $61K | 97K |
| 2026-05-08 | GENDRON PAUL ANDREW | Director | Buy | 5K | $8.88 | $44K | 70K |
| 2026-03-02 | Steele Barry G | Executive VP and CFO | Buy | 2K | $9.16 | $19K | 88K |
| 2025-10-09 | Funke Jerod | EVP-Chief HR Officer | Tax withholding | 4K | $9.61 | $35K | 19K |
| 2025-10-09 | Funke Jerod | EVP-Chief HR Officer | Exercise or conversion | 13K | $0.00 | $0 | 22K |
| 2025-09-23 | Lachance Carrie | President and CEO | Tax withholding | 20K | $10.22 | $201K | 232K |
| 2025-09-23 | Lachance Carrie | President and CEO | Grant | 50K | $0.00 | $0 | 252K |
| 2025-08-22 | Shuda Scott | Director | Sell | 6K | $9.67 | $56K | 94K |
| 2025-07-07 | Shuda Scott | Director | Other transaction | 2K | $0.00 | $0 | 100K |
| 2025-05-28 | Eichenbaum Kenneth D. | Director | Buy | 2K | $5.18 | $10K | 6K |
| 2025-05-19 | Hundzinski Ronald T | Director | Buy | 5K | $6.09 | $30K | 5K |
| 2025-05-17 | Steele Barry G | Executive VP and CFO | Tax withholding | 6K | $6.15 | $37K | 85K |
| 2025-05-17 | Steele Barry G | Executive VP and CFO | Exercise or conversion | 14K | $0.00 | $0 | 91K |
| 2025-05-17 | Dilorio Richard | Chief Executive Officer | Tax withholding | 20K | $6.15 | $120K | 448K |
| 2025-05-17 | Dilorio Richard | Chief Executive Officer | Exercise or conversion | 41K | $0.00 | $0 | 467K |
| 2025-05-17 | Chupa Addam | Executive VP and CIO | Exercise or conversion | 10K | $0.00 | $0 | 49K |
| 2025-05-17 | Chupa Addam | Executive VP and CIO | Tax withholding | 4K | $6.15 | $23K | 45K |
| 2025-05-17 | Lachance Carrie | President and COO | Tax withholding | 6K | $6.15 | $37K | 202K |
| 2025-05-17 | Lachance Carrie | President and COO | Exercise or conversion | 18K | $0.00 | $0 | 208K |
| 2025-05-16 | Lachance Carrie | President and COO | Buy | 2K | $6.10 | $12K | 190K |
| 2025-05-15 | Lachance Carrie | President and COO | Buy | 1K | $6.01 | $7K | 188K |
| 2025-05-14 | Steele Barry G | Executive VP and CFO | Buy | 3K | $5.76 | $17K | 77K |
| 2025-03-07 | Dilorio Richard | Chief Executive Officer | Exercise or conversion | 25K | $2.60 | $65K | 442K |
| 2025-03-07 | Dilorio Richard | Chief Executive Officer | Tax withholding | 18K | $6.18 | $111K | 424K |
| 2024-12-05 | Shuda Scott | Director | Other transaction | 42K | $0.00 | $0 | 298K |
| 2024-11-27 | Dilorio Richard | Chief Executive Officer | Sell | 5K | $8.87 | $48K | 417K |
| 2024-11-26 | Dilorio Richard | Chief Executive Officer | Sell | 15K | $8.91 | $130K | 422K |
| 2024-11-25 | Dilorio Richard | Chief Executive Officer | Sell | 20K | $9.32 | $186K | 437K |
| 2024-10-31 | Chupa Addam | Executive VP and CIO | Exercise or conversion | 20K | $0.00 | $0 | 46K |
| 2024-10-31 | Chupa Addam | Executive VP and CIO | Tax withholding | 9K | $6.19 | $54K | 37K |
| 2024-10-09 | Funke Jerod | EVP-Chief HR Officer | Exercise or conversion | 13K | $0.00 | $0 | 14K |
| 2024-10-09 | Funke Jerod | EVP-Chief HR Officer | Tax withholding | 4K | $6.77 | $25K | 10K |
| 2024-09-23 | Eichenbaum Kenneth D. | Director | Buy | 4K | $5.89 | $24K | 4K |
| 2024-06-26 | Dilorio Richard | Chief Executive Officer | Exercise or conversion | 50K | $2.69 | $135K | 490K |
| 2024-06-26 | Dilorio Richard | Chief Executive Officer | Tax withholding | 34K | $6.83 | $235K | 456K |
| 2024-05-23 | BOYD RALPH F JR | Director | Buy | 4K | $7.13 | $29K | 6K |
| 2024-05-22 | HUSS BEVERLY A | Director | Buy | 4K | $6.86 | $29K | 4K |
| 2024-05-21 | Chupa Addam | Executive VP and CIO | Buy | 1K | $6.67 | $7K | 25K |
| 2024-05-20 | GENDRON PAUL ANDREW | Director | Buy | 5K | $6.54 | $33K | 65K |
| 2024-05-20 | Funke Jerod | EVP-Chief HR Officer | Buy | 1K | $6.39 | $6K | 1K |
| 2024-05-20 | Steele Barry G | Executive VP and CFO | Buy | 3K | $6.47 | $19K | 70K |
| 2024-05-18 | Lachance Carrie | President and COO | Tax withholding | 3K | $6.44 | $20K | 183K |
| 2024-05-18 | Lachance Carrie | President and COO | Exercise or conversion | 8K | $0.00 | $0 | 187K |
| 2024-05-18 | Dilorio Richard | Chief Executive Officer | Exercise or conversion | 14K | $0.00 | $0 | 447K |
| 2024-05-18 | Dilorio Richard | Chief Executive Officer | Tax withholding | 7K | $6.44 | $44K | 440K |
| 2024-05-18 | Steele Barry G | Executive VP and CFO | Tax withholding | 3K | $6.44 | $21K | 67K |
| 2024-05-18 | Steele Barry G | Executive VP and CFO | Exercise or conversion | 7K | $0.00 | $0 | 70K |
| 2024-05-17 | Chupa Addam | Executive VP and CIO | Tax withholding | 987 | $6.44 | $6K | 24K |
| 2024-05-17 | Chupa Addam | Executive VP and CIO | Grant | 3K | $0.00 | $0 | 25K |
| 2024-05-17 | Lachance Carrie | President and COO | Grant | 5K | $0.00 | $0 | 180K |
| 2024-05-17 | Lachance Carrie | President and COO | Tax withholding | 2K | $6.44 | $13K | 178K |
| 2024-05-17 | Dilorio Richard | Chief Executive Officer | Tax withholding | 6K | $6.44 | $36K | 433K |
| 2024-05-17 | Dilorio Richard | Chief Executive Officer | Grant | 12K | $0.00 | $0 | 438K |
| 2024-05-17 | Steele Barry G | Executive VP and CFO | Grant | 4K | $0.00 | $0 | 65K |
| 2024-05-17 | Steele Barry G | Executive VP and CFO | Tax withholding | 2K | $6.44 | $12K | 63K |
| 2024-05-14 | Shuda Scott | Director | Exercise or conversion | 35K | $4.70 | $165K | 125K |
| 2024-05-14 | Shuda Scott | Director | Tax withholding | 24K | $7.00 | $165K | 102K |
| 2024-03-01 | Lachance Carrie | President and COO | Tax withholding | 20K | $9.30 | $186K | 174K |
| 2024-03-01 | Lachance Carrie | President and COO | Exercise or conversion | 50K | $0.00 | $0 | 194K |
| 2024-02-09 | Chupa Addam | Executive VP and CIO | Exercise or conversion | 3K | $0.00 | $0 | 22K |
| 2024-02-09 | Chupa Addam | Executive VP and CIO | Tax withholding | 1K | $9.60 | $13K | 21K |
| 2023-09-06 | Malhotra R. Rimmy | Director | Sell | 13K | $10.09 | $126K | 45K |
| 2023-09-05 | Malhotra R. Rimmy | Director | Sell | 5K | $10.19 | $51K | 58K |
| 2023-09-01 | Malhotra R. Rimmy | Director | Sell | 13K | $10.24 | $128K | 63K |
| 2023-08-31 | Malhotra R. Rimmy | Director | Sell | 10K | $10.36 | $104K | 75K |
| 2023-08-30 | Malhotra R. Rimmy | Director | Sell | 5K | $10.17 | $51K | 85K |
| 2023-08-29 | Malhotra R. Rimmy | Director | Sell | 10K | $10.34 | $103K | 90K |
| 2023-08-28 | Malhotra R. Rimmy | Director | Sell | 5K | $10.31 | $52K | 100K |
| 2023-08-25 | Malhotra R. Rimmy | Director | Sell | 10K | $10.20 | $102K | 105K |
| 2023-08-23 | Malhotra R. Rimmy | Director | Sell | 10K | $10.78 | $108K | 115K |
| 2023-08-21 | Dilorio Richard | Chief Executive Officer | Exercise or conversion | 200K | $3.18 | $636K | 534K |
| 2023-08-21 | Dilorio Richard | Chief Executive Officer | Tax withholding | 109K | $11.14 | $1.2M | 425K |
| 2023-08-18 | Malhotra R. Rimmy | Director | Sell | 20K | $10.66 | $212K | 125K |
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.
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON3 holders report 5% or more of INFU in their latest filing, all on Schedule 13G (passive). The largest reported stake is BlackRock, Inc. at 6.4% of the class (1,286,129 shares), filed 2026-07-28 for an event on 2026-06-30.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-07-28 | 13G | BlackRock, Inc.parent holding company | 1.3M | 6.4% | 2026-06-30 |
| 2026-02-17 | 13G/Ano. 1 | Minerva Advisors LLCinvestment adviser | 1.1M | 5.3% | 2025-12-31 |
| 2026-02-17 | 13G/Ano. 1 | COHEN DAVID Pindividual | 1.1M | 5.3% | 2025-12-31 |
| 2026-02-17 | 13G/Ano. 1 | MINERVA GROUP LPpartnership | 765K | 3.8% | 2025-12-31 |
| 2026-02-17 | 13G/Ano. 1 | MINERVA GP, LPpartnership | 765K | 3.8% | 2025-12-31 |
| 2026-02-17 | 13G/Ano. 1 | MINERVA GP, INC.corporation | 765K | 3.8% | 2025-12-31 |
| 2025-11-13 | 13G/Ano. 11 | AWM Investment Company, Inc.investment adviser | 562K | 2.8% | 2025-09-30 |
13F holders
Tracked managers holding INFU at their latest 13F. JSON3 of the 30 tracked managers held INFU at their latest 13F, $8.4M in total at quarter-end prices. Renaissance Technologies is the largest at $5.2M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 2 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Renaissance Technologies | 2026-06-30 | 543K | $5.2M | 0.01% | -24K |
| Citadel Advisors | 2026-06-30 | 181K | $1.7M | 0.00% | +11K |
| Two Sigma Investments | 2026-06-30 | 148K | $1.4M | 0.00% | -37K |
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.
What this page is
InfuSystem Holdings 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 InfuSystem Holdings (INFU), SEC CIK 1337013, listed on NYSE, classified by the SEC as surgical & medical instruments & apparatus. 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 2026-10-15.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-11-02.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-28.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 2026-07-28.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
- 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 2026-08-04.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 2026-10-09.JSON and CSV
- Company record
- EDGAR filing index for CIK 1337013Ticker, 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 INFU is sold short?
813,399 shares were held short at the 2026-10-15 settlement, 7.6 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 INFU's daily short volume?
On 2026-11-02, 68,535 of the 129,520 INFU shares reported to FINRA were sold short, 52.9% of the day's reported volume. Short volume is a flow for one day, not a position.
Does INFU have fails to deliver?
The SEC's latest file shows 1,917 INFU shares failed to deliver at settlement 2026-09-28. Fails are reported per settlement date and published twice a month with a lag.
Are INFU insiders buying or selling?
No open-market insider trades were reported for INFU in the last 90 days. The most recent filings are listed below. Latest filing: Funke Jerod (EVP-Chief HR Officer) on 2026-10-09.
Who owns 5% or more of INFU?
3 holders report 5% or more of INFU in their latest filing, all on Schedule 13G (passive). The largest reported stake is BlackRock, Inc. at 6.4% of the class (1,286,129 shares), filed 2026-07-28 for an event on 2026-06-30.
Which tracked 13F managers own INFU?
3 of the 30 tracked 13F managers held INFU shares at their latest filing, $8.4M in all. The largest: Renaissance Technologies (543K shares, $5.2M), Ken Griffin's Citadel Advisors (181K shares, $1.7M), Two Sigma Investments (148K shares, $1.4M).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.