Institutional Holders (2026 Q1)
213 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in AMBP. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Platinum Equity, LLC | 66.52% | 5,311,164 | $21.5M |
| 2 | Arini Captial Management Ltd | 7.19% | 11,246,170 | $45.5M |
| 3 | Canyon Capital Advisors LLC | 6.04% | 11,523,328 | $46.7M |
| 4 | Mountaineer Partners Management, LLC | 3.78% | 1,878,082 | $7.6M |
| 5 | Diameter Capital Partners LP | 1.69% | 4,467,420 | $18.1M |
| 6 | Gilman Hill Asset Management, LLC | 1.22% | 1,994,269 | $8.1M |
| 7 | Monarch Alternative Capital LP | 0.73% | 2,955,738 | $12.0M |
| 8 | Private Management Group Inc | 0.59% | 5,017,236 | $20.3M |
| 9 | Empyrean Capital Partners, LP | 0.53% | 4,000,000 | $16.2M |
| 10 | Contrarian Capital Management, L.L.C. | 0.47% | 413,706 | $1.7M |
| 11 | Weiss Asset Management LP | 0.31% | 4,516,338 | $18.3M |
| 12 | Tred Avon Family Wealth, LLC | 0.22% | 163,541 | $662K |
| 13 | Integrated Quantitative Investments LLC | 0.14% | 194,594 | $788K |
| 14 | Redhawk Wealth Advisors, Inc. | 0.10% | 228,309 | $925K |
| 15 | Virtus Advisers, LLC | 0.10% | 52,372 | $212K |
| 16 | Hillsdale Investment Management Inc. | 0.10% | 869,063 | $3.5M |
| 17 | Hyperion Capital Advisors LP | 0.09% | 45,000 | $182K |
| 18 | Measured Wealth Private Client Group, LLC | 0.09% | 77,968 | $316K |
| 19 | IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.08% | 275,126 | $1.1M |
| 20 | CWA Asset Management Group, LLC | 0.08% | 614,566 | $2.5M |
| 21 | Counterpoint Mutual Funds LLC | 0.08% | 136,732 | $554K |
| 22 | Odyssean, LLC | 0.08% | 52,434 | $212K |
| 23 | Martingale Asset Management L P | 0.06% | 558,688 | $2.3M |
| 24 | Gamco Investors, INC. Et Al | 0.06% | 1,422,507 | $5.8M |
| 25 | Legato Capital Management LLC | 0.05% | 147,030 | $595K |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|