| 0.00% |
| 4 | BlackRock, Inc. | 8.3M | $39.2M | +7.0% | 1.385% | 0.00% |
| 5 | PLATINUM EQUITY, LLC | 5.3M | $25.2M | 0.0% | 0.889% | 78.62% |
| 6 | DIMENSIONAL FUND ADVISORS LP | 5.1M | $24.3M | +10.8% | 0.860% | 0.00% |
| 7 | Diameter Capital Partners LP | 5.0M | $23.8M | +12.6% | 0.842% | 0.96% |
| 8 | PRIVATE MANAGEMENT GROUP INC | 5.0M | $23.5M | -1.0% | 0.831% | 0.62% |
| 9 | Empyrean Capital Partners, LP | 4.0M | $19.0M | 0.0% | 0.669% | 0.63% |
| 10 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 3.2M | $15.2M | +3.4% | 0.538% | 0.02% |
| 11 | STATE STREET CORP | 2.6M | $12.4M | +3.6% | 0.438% | 0.00% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 2.1M | $10.1M | +12.6% | 0.355% | 0.00% |
| 13 | FEDERATED HERMES, INC. | 2.1M | $10.0M | +14226.6% | 0.353% | 0.01% |
| 14 | RENAISSANCE TECHNOLOGIES LLC | 2.1M | $9.8M | -28.2% | 0.347% | 0.01% |
| 15 | Gilman Hill Asset Management, LLC | 2.0M | $9.7M | +2.1% | 0.341% | 1.32% |
| 16 | MORGAN STANLEY | 1.9M | $8.9M | +8.4% | 0.315% | 0.00% |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.9M | $8.8M | +0.5% | 0.312% | 0.00% |
| 18 | Nuveen, LLC | 1.7M | $8.0M | -2.6% | 0.283% | 0.00% |
| 19 | JACOBS LEVY EQUITY MANAGEMENT, INC | 1.6M | $7.5M | -17.0% | 0.266% | 0.03% |
| 20 | GAMCO INVESTORS, INC. ET AL | 1.5M | $6.9M | +1.9% | 0.243% | 0.06% |
| 21 | NORTHERN TRUST CORP | 1.4M | $6.6M | +4.6% | 0.233% | 0.00% |
| 22 | UBS Group AG | 1.4M | $6.5M | -7.6% | 0.230% | 0.00% |
| 23 | CITADEL ADVISORS LLC | 1.3M | $6.1M | +159.9% | 0.216% | 0.00% |
| 24 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.2M | $5.7M | -62.9% | 0.203% | 0.00% |
| 25 | MILLENNIUM MANAGEMENT LLC | 1.2M | $5.5M | -14.8% | 0.194% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in AMBP — a direct measure of their conviction.
| 18.85% |
| +0.40 pp |
| $336M |
| +2.7% |
| Q4 2024 | 193 | +1.0% | 18.45% | 0.65 pp | $327M | 19% |
| Q3 2024 | 191 | — | 19.10% | — | $405M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
35 institutions opened new positions in AMBP during Q2 2026, while 26 fully exited. 152 added to existing positions and 36 trimmed.
AMBP institutional ownership rose by 0.70 percentage points quarter-over-quarter, with a net change of +11 holders.
The top 10 institutions account for 60.5% of all reported 13F value in AMBP, and the top 25 account for 81.1%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.