Institutional Holders (2026 Q2)
613 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in ACM. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Sandhill Capital Partners LLC | 2.35% | 414,675 | $28.9M |
| 2 | Running Oak Capital LLC | 1.59% | 133,732 | $9.3M |
| 3 | Delaney Capital Management Ltd. | 1.56% | 141,526 | $9.9M |
| 4 | Steinberg Asset Management LLC | 1.22% | 28,190 | $2.0M |
| 5 | Barrow Hanley Mewhinney & Strauss LLC | 1.16% | 5,497,153 | $383.7M |
| 6 | Stanley Capital Management, LLC | 1.08% | 116,400 | $8.1M |
| 7 | Impax Asset Management Group plc | 0.97% | 2,128,339 | $148.6M |
| 8 | S&T Bank/Pa | 0.87% | 41,375 | $2.9M |
| 9 | Twinbeech Capital LP | 0.85% | 67,447 | $4.7M |
| 10 | Lecap Asset Management Ltd | 0.77% | 25,741 | $1.8M |
| 11 | Hennessy Advisors Inc | 0.64% | 285,700 | $19.9M |
| 12 | PDT Partners, LLC | 0.63% | 172,729 | $12.1M |
| 13 | FORA Capital, LLC | 0.63% | 131,911 | $9.2M |
| 14 | Shellback Capital, LP | 0.56% | 92,048 | $6.4M |
| 15 | Central Bank & Trust Co | 0.51% | 51,570 | $3.6M |
| 16 | Olympiad Research LP | 0.49% | 3,340 | $233K |
| 17 | Perpetual Ltd | 0.48% | 484,722 | $33.8M |
| 18 | Occudo Quantitative Strategies LP | 0.43% | 116,351 | $8.1M |
| 19 | Letko, Brosseau & Associates Inc | 0.40% | 390,075 | $27.2M |
| 20 | Robeco Schweiz AG | 0.39% | 345,638 | $24.1M |
| 21 | Knights of Columbus Asset Advisors LLC | 0.38% | 107,355 | $7.5M |
| 22 | Primecap Management Co/Ca/ | 0.36% | 8,787,043 | $613.3M |
| 23 | Mirova | 0.36% | 140,048 | $9.8M |
| 24 | Matisse Capital | 0.35% | 12,611 | $880K |
| 25 | Ninety One North America, Inc. | 0.34% | 104,266 | $7.3M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|