Who owns Malibu Boats, Inc.?
Institutional ownership of MBUU from SEC Form 13F filings across 99 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
99
13F holders
$302.5M
value, 2026 filers
56.3%
of shares outstanding (11.0M sh)
23
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of MBUU's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 1.6M | $43.9M | 0.0% | 8.1% | +10.6% |
| 2 | WELLINGTON MANAGEMENT GROUP LLP | 1.2M | $34.0M | 0.0% | 6.3% | -11.8% |
| 3 | COOKE & BIELER LP | 1.1M | $30.3M | 0.4% | 5.6% | -25.8% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 802,377 | $22.0M | 0.0% | 4.1% | -49.8% |
| 5 | AMERICAN CENTURY COMPANIES INC | 662,201 | $18.2M | 0.0% | 3.4% | +13.8% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 524,052 | $14.4M | 0.0% | 2.7% | +15.7% |
| 7 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 375,988 | $10.3M | 0.0% | 1.9% | -21.0% |
| 8 | Sixth Street Partners Management Company, L.P.NEW | 369,824 | $10.1M | 1.8% | 1.9% | new |
| 9 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 369,824 | $10.1M | 0.0% | 1.9% | -8.0% |
| 10 | CITADEL ADVISORS LLC | 280,461 | $7.7M | 0.0% | 1.4% | +927.9% |
| 11 | BANK OF AMERICA CORP /DE/ | 259,802 | $7.1M | 0.0% | 1.3% | -24.3% |
| 12 | BNP PARIBAS FINANCIAL MARKETS | 244,061 | $6.7M | 0.0% | 1.2% | +5795.2% |
| 13 | VANGUARD PORTFOLIO MANAGEMENT LLC | 213,708 | $5.9M | 0.0% | 1.1% | +16.2% |
| 14 | MORGAN STANLEY | 189,289 | $5.2M | 0.0% | 1% | -33.4% |
| 15 | NORTHERN TRUST CORP | 185,569 | $5.1M | 0.0% | 0.9% | +11.6% |
| 16 | GOLDMAN SACHS GROUP INC | 181,648 | $5.0M | 0.0% | 0.9% | +40.7% |
| 17 | FMR LLC | 176,414 | $4.8M | 0.0% | 0.9% | 0.0% |
| 18 | CenterBook Partners LP | 169,048 | $4.6M | 0.2% | 0.9% | +254.9% |
| 19 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 141,752 | $3.9M | 0.0% | 0.7% | +481.8% |
| 20 | NORGES BANKNEW | 140,300 | $3.8M | 0.0% | 0.7% | new |
| 21 | VANGUARD FIDUCIARY TRUST CO | 127,992 | $3.5M | 0.0% | 0.7% | +4.0% |
| 22 | RAYMOND JAMES FINANCIAL INC | 123,658 | $3.4M | 0.0% | 0.6% | -1.9% |
| 23 | JPMORGAN CHASE & CO | 122,236 | $3.4M | 0.0% | 0.6% | +403.8% |
| 24 | D. E. Shaw & Co., Inc. | 89,764 | $2.5M | 0.0% | 0.5% | +162.3% |
| 25 | Bank of New York Mellon Corp | 86,914 | $2.4M | 0.0% | 0.4% | +6.3% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.