Malibu Boats (MBUU)
Malibu Boats on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as ship & boat building & repairing.
1.3M
Short interest
settlement 2026-09-30
5.7
Days to cover
+0.2 days vs prior
51.7%
Short share of volume
2026-10-23
353
Fails to deliver
settlement 2026-09-29
Thu 29 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 MBUU is 1,270,459 shares, down 139,308 shares over the last month. Over the last 48 readings it ranged from 1,109,243 shares (14 November 2025) to 1,696,791 shares (31 October 2024). At the reported average volume of 225K shares a day that is 5.7 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-09-30 | 1,270,459 | -11.6% | 224,868 | 5.65 |
| 2026-09-15 | 1,437,218 | +1.9% | 263,335 | 5.46 |
| 2026-08-31 | 1,409,767 | +3.5% | 259,061 | 5.44 |
| 2026-08-14 | 1,361,721 | +1.6% | 172,572 | 7.89 |
| 2026-07-31 | 1,340,975 | -3.0% | 177,475 | 7.56 |
| 2026-07-15 | 1,381,737 | +2.1% | 289,939 | 4.77 |
| 2026-06-30 | 1,353,861 | -0.5% | 360,244 | 3.76 |
| 2026-06-15 | 1,360,109 | +2.5% | 260,382 | 5.22 |
| 2026-05-29 | 1,326,636 | +8.1% | 335,668 | 3.95 |
| 2026-05-15 | 1,227,046 | -8.4% | 425,453 | 2.88 |
| 2026-04-30 | 1,340,320 | -4.3% | 442,038 | 3.03 |
| 2026-04-15 | 1,401,078 | -10.8% | 323,612 | 4.33 |
| 2026-03-31 | 1,570,888 | +3.0% | 290,758 | 5.40 |
| 2026-03-13 | 1,525,288 | +4.1% | 404,677 | 3.77 |
| 2026-02-27 | 1,465,137 | +3.6% | 168,080 | 8.72 |
| 2026-02-13 | 1,413,552 | +3.8% | 268,768 | 5.26 |
| 2026-01-30 | 1,361,932 | +4.7% | 155,723 | 8.75 |
| 2026-01-15 | 1,300,241 | +9.1% | 188,321 | 6.90 |
| 2025-12-31 | 1,192,341 | +4.9% | 174,739 | 6.82 |
| 2025-12-15 | 1,136,647 | +2.1% | 252,990 | 4.49 |
| 2025-11-28 | 1,112,677 | +0.3% | 286,169 | 3.89 |
| 2025-11-14 | 1,109,243 | -4.9% | 245,562 | 4.52 |
| 2025-10-31 | 1,165,932 | -5.8% | 188,145 | 6.20 |
| 2025-10-15 | 1,238,234 | -2.7% | 158,119 | 7.83 |
| 2025-09-30 | 1,272,492 | +0.6% | 222,718 | 5.71 |
| 2025-09-15 | 1,265,535 | -15.6% | 210,265 | 6.02 |
| 2025-08-29 | 1,500,086 | +2.9% | 254,088 | 5.90 |
| 2025-08-15 | 1,457,515 | +4.6% | 116,790 | 12.48 |
| 2025-07-31 | 1,393,442 | -1.1% | 136,844 | 10.18 |
| 2025-07-15 | 1,409,036 | -1.2% | 126,196 | 11.17 |
| 2025-06-30 | 1,425,617 | -3.3% | 136,954 | 10.41 |
| 2025-06-13 | 1,473,913 | -1.2% | 150,827 | 9.77 |
| 2025-05-30 | 1,491,958 | +2.0% | 123,477 | 12.08 |
| 2025-05-15 | 1,463,063 | -3.8% | 216,501 | 6.76 |
| 2025-04-30 | 1,520,864 | +8.2% | 200,744 | 7.58 |
| 2025-04-15 | 1,405,077 | +8.6% | 315,606 | 4.45 |
| 2025-03-31 | 1,294,246 | -7.9% | 177,406 | 7.30 |
| 2025-03-14 | 1,405,299 | +3.5% | 171,070 | 8.21 |
| 2025-02-28 | 1,357,245 | +0.7% | 158,272 | 8.58 |
| 2025-02-14 | 1,348,067 | +5.3% | 181,602 | 7.42 |
| 2025-01-31 | 1,279,762 | -2.6% | 204,851 | 6.25 |
| 2025-01-15 | 1,314,073 | -6.8% | 133,094 | 9.87 |
| 2024-12-31 | 1,410,007 | -12.4% | 164,723 | 8.56 |
| 2024-12-13 | 1,610,155 | +1.1% | 143,240 | 11.24 |
| 2024-11-29 | 1,592,820 | +4.2% | 169,138 | 9.42 |
| 2024-11-15 | 1,528,154 | -9.9% | 233,150 | 6.55 |
| 2024-10-31 | 1,696,791 | +1.1% | 200,554 | 8.46 |
| 2024-10-15 | 1,678,480 | +4.3% | 229,447 | 7.32 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 23 October 2026, the short share of MBUU volume is 51.7%, down 9.9 points over the last five sessions. Over the last 30 readings it ranged from 25.8% (22 October 2026) to 70.9% (9 October 2026). The latest reading is in line with the 30-session average of 53.5%, on 67K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-23 | 35K | 67K | 51.7% | 0 |
| 2026-10-22 | 42K | 162K | 25.8% | 0 |
| 2026-10-21 | 32K | 81K | 39.7% | 0 |
| 2026-10-20 | 27K | 64K | 42.2% | 0 |
| 2026-10-19 | 35K | 83K | 42.1% | 0 |
| 2026-10-16 | 29K | 48K | 61.6% | 0 |
| 2026-10-15 | 60K | 124K | 48.5% | 0 |
| 2026-10-14 | 39K | 68K | 57.2% | 0 |
| 2026-10-13 | 36K | 80K | 45.2% | 0 |
| 2026-10-12 | 29K | 55K | 53.9% | 0 |
| 2026-10-09 | 49K | 70K | 70.9% | 0 |
| 2026-10-08 | 52K | 85K | 61.1% | 0 |
| 2026-10-07 | 36K | 57K | 63.7% | 0 |
| 2026-10-06 | 46K | 91K | 50.1% | 0 |
| 2026-10-05 | 59K | 88K | 67.4% | 0 |
| 2026-10-02 | 32K | 59K | 53.7% | 0 |
| 2026-10-01 | 45K | 75K | 60.8% | 0 |
| 2026-09-30 | 23K | 58K | 39.4% | 0 |
| 2026-09-29 | 26K | 56K | 47.4% | 0 |
| 2026-09-28 | 31K | 58K | 53.5% | 0 |
| 2026-09-25 | 79K | 144K | 54.9% | 0 |
| 2026-09-24 | 69K | 104K | 66.4% | 0 |
| 2026-09-23 | 24K | 49K | 49.6% | 0 |
| 2026-09-22 | 35K | 73K | 48.5% | 0 |
| 2026-09-21 | 46K | 78K | 59.1% | 0 |
| 2026-09-18 | 35K | 50K | 70.9% | 0 |
| 2026-09-17 | 41K | 96K | 42.8% | 0 |
| 2026-09-16 | 39K | 76K | 51.8% | 0 |
| 2026-09-15 | 68K | 110K | 62.2% | 0 |
| 2026-09-14 | 47K | 75K | 62.7% | 0 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 29 September 2026, the fails-to-deliver balance in MBUU is 353 shares, up 253 shares over the last settlement date. Over the last 30 readings it ranged from 2 shares (10 September 2026) to 3,285 shares (7 July 2026).
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-29 | 353 | $23.13 | $8K |
| 2026-09-21 | 100 | $23.27 | $2K |
| 2026-09-18 | 37 | $23.63 | $874 |
| 2026-09-15 | 16 | $24.52 | $392 |
| 2026-09-10 | 2 | $25.86 | $52 |
| 2026-09-04 | 1,773 | $26.68 | $47K |
| 2026-08-19 | 9 | $29.33 | $264 |
| 2026-08-17 | 188 | $29.33 | $6K |
| 2026-08-13 | 319 | $29.34 | $9K |
| 2026-08-05 | 7 | $29.24 | $205 |
| 2026-07-31 | 141 | $28.00 | $4K |
| 2026-07-14 | 423 | $26.77 | $11K |
| 2026-07-07 | 3,285 | $25.86 | $85K |
| 2026-06-29 | 343 | $28.75 | $10K |
| 2026-06-18 | 978 | $26.95 | $26K |
| 2026-06-17 | 380 | $28.03 | $11K |
| 2026-06-15 | 684 | $27.88 | $19K |
| 2026-05-13 | 1,243 | $28.10 | $35K |
| 2026-05-12 | 1,235 | $29.66 | $37K |
| 2026-05-11 | 1,173 | $30.09 | $35K |
| 2026-05-07 | 10 | $25.70 | $257 |
| 2026-05-04 | 38 | $25.71 | $977 |
| 2026-05-01 | 35 | $25.60 | $896 |
| 2026-04-30 | 46 | $25.22 | $1K |
| 2026-04-27 | 132 | $26.10 | $3K |
| 2026-04-17 | 985 | $24.73 | $24K |
| 2026-04-15 | 113 | $26.43 | $3K |
| 2026-04-10 | 12 | $25.35 | $304 |
| 2026-04-08 | 1,794 | $24.15 | $43K |
| 2026-04-07 | 220 | $24.28 | $5K |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for MBUU in the last 90 days. The most recent filings are listed below. Latest filing: Lanigan Mark W. (Director) on 2026-10-01.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-10-01 | Lanigan Mark W. | Director | Grant | 901 | $22.92 | $21K | 86K |
| 2026-10-01 | Connolly Michael | Director | Grant | 879 | $22.92 | $20K | 63K |
| 2026-08-05 | Menneto Steven | Chief Executive Officer | Tax withholding | 5K | $29.24 | $155K | 83K |
| 2026-07-01 | Lanigan Mark W. | Director | Grant | 745 | $27.43 | $20K | 85K |
| 2026-07-01 | Connolly Michael | Director | Grant | 727 | $27.43 | $20K | 62K |
| 2026-05-06 | Black David Scott | Chief Financial Officer | Tax withholding | 306 | $25.00 | $8K | 26K |
| 2026-05-06 | Black David Scott | Chief Financial Officer | Tax withholding | 81 | $25.00 | $2K | 26K |
| 2026-05-06 | Black David Scott | Chief Financial Officer | Tax withholding | 788 | $25.00 | $20K | 27K |
| 2026-05-06 | Black David Scott | Chief Financial Officer | Tax withholding | 107 | $25.00 | $3K | 27K |
| 2026-04-01 | Lanigan Mark W. | Director | Grant | 780 | $25.92 | $20K | 85K |
| 2026-04-01 | Connolly Michael | Director | Grant | 761 | $25.92 | $20K | 61K |
| 2026-01-02 | Lanigan Mark W. | Director | Grant | 732 | $28.21 | $21K | 84K |
| 2026-01-02 | Connolly Michael | Director | Grant | 714 | $28.21 | $20K | 60K |
| 2025-11-26 | Menneto Steven | Chief Executive Officer | Grant | 33K | $0.00 | $0 | 88K |
| 2025-11-21 | Black David Scott | Chief Financial Officer | Grant | 8K | $0.00 | $0 | 27K |
| 2025-11-13 | Black David Scott | Chief Financial Officer | Grant | 4K | $0.00 | $0 | 20K |
| 2025-11-06 | Menneto Steven | Chief Executive Officer | Tax withholding | 965 | $27.82 | $27K | 55K |
| 2025-11-06 | Beckman Bruce W. | Chief Financial Officer | Tax withholding | 302 | $27.82 | $8K | 17K |
| 2025-10-24 | MURPHY PETER E | Director | Grant | 3K | $0.00 | $0 | 37K |
| 2025-10-24 | TAYLOR NANCY M | Director | Grant | 3K | $0.00 | $0 | 10K |
| 2025-10-24 | Lanigan Mark W. | Director | Grant | 3K | $0.00 | $0 | 83K |
| 2025-10-24 | Hooks Michael K. | Director | Grant | 3K | $0.00 | $0 | 69K |
| 2025-10-24 | Cook Melanie K. | Director | Grant | 3K | $0.00 | $0 | 4K |
| 2025-10-24 | Connolly Michael | Director | Grant | 3K | $0.00 | $0 | 60K |
| 2025-10-24 | Chhina Ivar S. | Director | Grant | 3K | $0.00 | $0 | 37K |
| 2025-10-24 | Buch James R. | Director | Grant | 3K | $0.00 | $0 | 37K |
| 2025-10-01 | Lanigan Mark W. | Director | Grant | 636 | $32.45 | $21K | 80K |
| 2025-10-01 | Connolly Michael | Director | Grant | 621 | $32.45 | $20K | 57K |
| 2025-08-05 | Menneto Steven | Chief Executive Officer | Tax withholding | 10K | $33.27 | $348K | 56K |
| 2025-07-01 | Lanigan Mark W. | Director | Grant | 652 | $31.34 | $20K | 79K |
| 2025-07-01 | Connolly Michael | Director | Grant | 636 | $31.34 | $20K | 56K |
| 2025-06-24 | Cook Melanie K. | Director | Grant | 1K | $0.00 | $0 | 1K |
| 2025-04-01 | Connolly Michael | Director | Grant | 642 | $30.68 | $20K | 55K |
| 2025-04-01 | Lanigan Mark W. | Director | Grant | 659 | $30.68 | $20K | 79K |
| 2025-01-02 | Connolly Michael | Director | Grant | 536 | $37.59 | $20K | 55K |
| 2025-01-02 | Lanigan Mark W. | Director | Grant | 549 | $37.59 | $21K | 78K |
| 2024-11-27 | Beckman Bruce W. | Chief Financial Officer | Tax withholding | 1K | $42.15 | $53K | 17K |
| 2024-11-06 | Anderson Ritchie L. | President | Tax withholding | 705 | $43.80 | $31K | 143K |
| 2024-11-06 | Anderson Ritchie L. | President | Tax withholding | 397 | $43.80 | $17K | 143K |
| 2024-11-06 | Anderson Ritchie L. | President | Tax withholding | 263 | $43.80 | $12K | 144K |
| 2024-11-06 | Anderson Ritchie L. | President | Tax withholding | 352 | $43.80 | $15K | 144K |
| 2024-11-05 | STOKELY JOHN E | Director | Grant | 3K | $0.00 | $0 | 33K |
| 2024-11-05 | Buch James R. | Director | Grant | 3K | $0.00 | $0 | 33K |
| 2024-11-05 | Hooks Michael K. | Director | Grant | 3K | $0.00 | $0 | 66K |
| 2024-11-05 | Connolly Michael | Director | Grant | 3K | $0.00 | $0 | 54K |
| 2024-11-05 | TAYLOR NANCY M | Director | Grant | 3K | $0.00 | $0 | 6K |
| 2024-11-05 | Lanigan Mark W. | Director | Grant | 3K | $0.00 | $0 | 77K |
| 2024-11-05 | Chhina Ivar S. | Director | Grant | 3K | $0.00 | $0 | 33K |
| 2024-11-05 | MURPHY PETER E | Director | Grant | 3K | $0.00 | $0 | 34K |
| 2024-11-04 | Beckman Bruce W. | Chief Financial Officer | Grant | 5K | $0.00 | $0 | 18K |
| 2024-11-04 | Anderson Ritchie L. | President | Grant | 9K | $0.00 | $0 | 144K |
| 2024-11-04 | Menneto Steven | Chief Executive Officer | Grant | 8K | $0.00 | $0 | 66K |
| 2024-10-01 | Lanigan Mark W. | Director | Grant | 532 | $38.81 | $21K | 74K |
| 2024-10-01 | Hooks Michael K. | Director | Grant | 690 | $38.81 | $27K | 63K |
| 2024-08-05 | Menneto Steven | Chief Executive Officer | Grant | 58K | $0.00 | $0 | 58K |
| 2024-07-01 | Lanigan Mark W. | Director | Grant | 583 | $35.04 | $20K | 74K |
| 2024-07-01 | Hooks Michael K. | Executive Chair | Grant | 747 | $35.04 | $26K | 62K |
| 2024-05-06 | Lanigan Mark W. | Director | Buy | 20K | $33.43 | $669K | 73K |
| 2024-04-01 | Hooks Michael K. | Executive Chair | Grant | 612 | $43.28 | $26K | 61K |
| 2024-04-01 | Lanigan Mark W. | Director | Grant | 472 | $43.28 | $20K | 53K |
| 2024-02-22 | Hooks Michael K. | Executive Chair | Buy | 13K | $42.82 | $535K | 13K |
| 2024-02-20 | Anderson Ritchie L. | President | Grant | 93K | $0.00 | $0 | 135K |
| 2024-02-20 | Hooks Michael K. | Executive Chair | Grant | 5K | $0.00 | $0 | 61K |
| 2024-01-02 | Hooks Michael K. | Director | Grant | 491 | $54.82 | $27K | 55K |
| 2024-01-02 | Lanigan Mark W. | Director | Grant | 377 | $54.82 | $21K | 53K |
| 2023-11-27 | Beckman Bruce W. | Chief Financial Officer | Grant | 13K | $0.00 | $0 | 13K |
| 2023-11-08 | Black David Scott | Interim CFO | Sell | 631 | $43.40 | $27K | 3K |
| 2023-11-07 | Anderson Ritchie L. | Chief Operating Officer | Sell | 2K | $43.66 | $79K | 42K |
| 2023-11-07 | Anderson Ritchie L. | Chief Operating Officer | Sell | 12K | $44.22 | $511K | 44K |
| 2023-11-06 | Black David Scott | Interim CFO | Grant | 2K | $0.00 | $0 | 4K |
| 2023-11-06 | Black David Scott | Interim CFO | Tax withholding | 52 | $46.65 | $2K | 2K |
| 2023-11-06 | Black David Scott | Interim CFO | Tax withholding | 48 | $46.65 | $2K | 2K |
| 2023-11-06 | Black David Scott | Interim CFO | Tax withholding | 36 | $46.65 | $2K | 2K |
| 2023-11-06 | Black David Scott | Interim CFO | Tax withholding | 19 | $46.65 | $886 | 2K |
| 2023-11-06 | Anderson Ritchie L. | Chief Operating Officer | Tax withholding | 263 | $46.65 | $12K | 43K |
| 2023-11-06 | Anderson Ritchie L. | Chief Operating Officer | Tax withholding | 417 | $46.65 | $19K | 43K |
| 2023-11-06 | Anderson Ritchie L. | Chief Operating Officer | Tax withholding | 705 | $46.65 | $33K | 56K |
| 2023-11-06 | Anderson Ritchie L. | Chief Operating Officer | Tax withholding | 397 | $46.65 | $19K | 42K |
| 2023-11-06 | Anderson Ritchie L. | Chief Operating Officer | Grant | 12K | $0.00 | $0 | 54K |
| 2023-11-06 | Anderson Ritchie L. | Chief Operating Officer | Grant | 2K | $0.00 | $0 | 56K |
| 2023-11-06 | Anderson Ritchie L. | Chief Operating Officer | Tax withholding | 352 | $46.65 | $16K | 43K |
| 2023-11-06 | Springer Jackie D. Jr. | Chief Executive Officer | Tax withholding | 1K | $46.65 | $60K | 127K |
| 2023-11-06 | Springer Jackie D. Jr. | Chief Executive Officer | Tax withholding | 1K | $46.65 | $68K | 128K |
| 2023-11-06 | Springer Jackie D. Jr. | Chief Executive Officer | Tax withholding | 1K | $46.65 | $68K | 125K |
| 2023-11-06 | Springer Jackie D. Jr. | Chief Executive Officer | Tax withholding | 2K | $46.65 | $102K | 123K |
| 2023-11-06 | Springer Jackie D. Jr. | Chief Executive Officer | Grant | 23K | $0.00 | $0 | 146K |
| 2023-11-06 | Springer Jackie D. Jr. | Chief Executive Officer | Grant | 6K | $0.00 | $0 | 152K |
| 2023-11-06 | Springer Jackie D. Jr. | Chief Executive Officer | Tax withholding | 2K | $46.65 | $102K | 150K |
| 2023-10-26 | TAYLOR NANCY M | Director | Grant | 2K | $0.00 | $0 | 4K |
| 2023-10-26 | Lanigan Mark W. | Director | Grant | 2K | $0.00 | $0 | 53K |
| 2023-10-26 | Connolly Michael | Director | Grant | 2K | $0.00 | $0 | 51K |
| 2023-10-26 | STOKELY JOHN E | Director | Grant | 2K | $0.00 | $0 | 31K |
| 2023-10-26 | MURPHY PETER E | Director | Grant | 2K | $0.00 | $0 | 31K |
| 2023-10-26 | Hooks Michael K. | Director | Grant | 2K | $0.00 | $0 | 55K |
| 2023-10-26 | Chhina Ivar S. | Director | Grant | 2K | $0.00 | $0 | 31K |
| 2023-10-26 | Lewis Joan M | Director | Grant | 2K | $0.00 | $0 | 10K |
| 2023-10-26 | Buch James R. | Director | Grant | 2K | $0.00 | $0 | 31K |
| 2023-10-10 | Springer Jackie D. Jr. | Chief Executive Officer | Tax withholding | 6K | $48.46 | $268K | 130K |
| 2023-10-10 | Springer Jackie D. Jr. | Chief Executive Officer | Grant | 15K | $0.00 | $0 | 135K |
| 2023-10-10 | Anderson Ritchie L. | Chief Operating Officer | Tax withholding | 2K | $48.46 | $77K | 44K |
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. JSON5 holders report 5% or more of MBUU in their latest filing, all on Schedule 13G (passive). The largest reported stake is PZENA INVESTMENT MANAGEMENT LLC at 9.0% of the class (1,721,957 shares), filed 2026-01-16 for an event on 2025-12-31.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-10-23 | 13G/Ano. 3 | Cooke & Bieler L.P.investment adviser | 951K | 4.8% | 2026-09-30 |
| 2026-08-14 | 13G/Ano. 1 | Twin Lions Management LLCother entity | 504K | 2.6% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | Timothy Abbottparent holding company, individual | 504K | 2.6% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC.parent holding company | 0 | 0.0% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | NOMURA INVESTMENT MANAGEMENT BUSINESS TRUSTinvestment adviser | 0 | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Wellington Investment Advisors Holdings LLPparent holding company | 1.2M | 6.3% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Wellington Management Group LLPparent holding company | 1.2M | 6.3% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Wellington Group Holdings LLPparent holding company | 1.2M | 6.3% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Wellington Management Company LLPinvestment adviser | 1.2M | 5.6% | 2026-06-30 |
| 2026-03-27 | 13G/Ano. 5 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
| 2026-02-13 | 13G/Ano. 10 | Macquarie Group Limitedparent holding company | 0 | 0.0% | 2025-12-31 |
| 2026-02-13 | 13G/Ano. 10 | Macquarie Management Holdings Incparent holding company | 0 | 0.0% | 2025-12-31 |
| 2026-02-13 | 13G/Ano. 10 | Macquarie Investment Management Business Trustinvestment adviser | 0 | 0.0% | 2025-12-31 |
| 2026-01-21 | 13G/Ano. 1 | Dimensional Fund Advisors LPinvestment adviser | 914K | 4.8% | 2025-12-31 |
| 2026-01-16 | 13G/Ano. 1 | PZENA INVESTMENT MANAGEMENT LLCinvestment adviser | 1.7M | 9.0% | 2025-12-31 |
| 2025-11-13 | 13G/Ano. 2 | Capital World Investorsinvestment adviser | 950K | 4.9% | 2025-09-30 |
13F holders
Tracked managers holding MBUU at their latest 13F. JSON7 of the 30 tracked managers held MBUU at their latest 13F, $18.8M in total at quarter-end prices. Citadel Advisors is the largest at $7.7M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 7 added shares and 0 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Citadel Advisors | 2026-06-30 | 280K | $7.7M | 0.00% | +253K |
| D. E. Shaw & Co. | 2026-06-30 | 90K | $2.5M | 0.00% | +56K |
| Millennium Management | 2026-06-30 | 79K | $2.2M | 0.00% | new |
| Renaissance Technologies | 2026-06-30 | 73K | $2.0M | 0.00% | +46K |
| Point72 Asset Management | 2026-06-30 | 69K | $1.9M | 0.00% | new |
| Two Sigma Investments | 2026-06-30 | 52K | $1.4M | 0.00% | +12K |
| AQR Capital Management | 2026-06-30 | 41K | $1.1M | 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.
What this page is
Malibu Boats 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 Malibu Boats (MBUU), SEC CIK 1590976, listed on Nasdaq, classified by the SEC as ship & boat building & repairing. 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 2026-09-29.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 2026-10-23.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 2026-08-31.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 2026-10-01.JSON and CSV
- Company record
- EDGAR filing index for CIK 1590976Ticker, 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 MBUU is sold short?
1,270,459 shares were held short at the 2026-09-30 settlement, 5.7 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 MBUU's daily short volume?
On 2026-10-23, 34,634 of the 66,979 MBUU shares reported to FINRA were sold short, 51.7% of the day's reported volume. Short volume is a flow for one day, not a position.
Does MBUU have fails to deliver?
The SEC's latest file shows 353 MBUU shares failed to deliver at settlement 2026-09-29. Fails are reported per settlement date and published twice a month with a lag.
Are MBUU insiders buying or selling?
No open-market insider trades were reported for MBUU in the last 90 days. The most recent filings are listed below. Latest filing: Lanigan Mark W. (Director) on 2026-10-01.
Who owns 5% or more of MBUU?
5 holders report 5% or more of MBUU in their latest filing, all on Schedule 13G (passive). The largest reported stake is PZENA INVESTMENT MANAGEMENT LLC at 9.0% of the class (1,721,957 shares), filed 2026-01-16 for an event on 2025-12-31.
Which tracked 13F managers own MBUU?
7 of the 30 tracked 13F managers held MBUU shares at their latest filing, $18.8M in all. The largest: Ken Griffin's Citadel Advisors (280K shares, $7.7M), D. E. Shaw & Co. (90K shares, $2.5M), Izzy Englander's Millennium Management (79K shares, $2.2M), Renaissance Technologies (73K shares, $2.0M), Steve Cohen's Point72 Asset Management (69K shares, $1.9M), Two Sigma Investments (52K shares, $1.4M). The table above lists all 7.
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.