Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
422 institutional managers reported holding ACI for the quarter ended Mar 31, 2026. Together they hold about 82% of shares outstanding; the top 10 hold 60%. 69 opened new positions; 78 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Cerberus Capital Management, L.p. (focused) | 151.82M | 28.39% | $2.59B | unchanged | 2020 Q4 |
| BlackRock | 41.74M | 7.81% | $711.7M | added +14.1% | 2020 Q2 |
| Vanguard Group | 37.48M | 7.01% | $639.1M | trimmed -4.8% | 2020 Q2 |
| FMR (Fidelity) | 16.66M | 3.12% | $284.0M | trimmed -21.1% | 2020 Q3 |
| Dimensional Fund Advisors | 15.01M | 2.81% | $256.0M | added +11.8% | 2021 Q1 |
| State Street | 12.35M | 2.31% | $210.6M | trimmed -6.4% | 2020 Q3 |
| Citadel Advisors | 12.05M | 2.25% | $205.5M | added +18.9% | 2020 Q2 |
| MFS Investment Management | 11.76M | 2.20% | $200.5M | added +10.9% | 2020 Q2 |
| LSV Asset Management | 11.19M | 2.09% | $190.7M | added +0.5% | 2023 Q1 |
| Morgan Stanley | 9.69M | 1.81% | $165.2M | trimmed -17.1% | 2020 Q2 |
| Southeastern Asset Management INC/TN/ (focused) | 7.42M | 1.39% | $126.5M | added +20.3% | 2024 Q3 |
| Geode Capital | 7.36M | 1.38% | $125.4M | trimmed -4.4% | 2020 Q3 |
| AQR Capital | 5.98M | 1.12% | $101.9M | trimmed -7% | 2021 Q3 |
| BNY Mellon | 5.28M | 0.99% | $90.0M | trimmed -1.5% | 2020 Q3 |
| Arrowstreet Capital | 5.18M | 0.97% | $88.3M | added +9.1% | 2024 Q2 |
| Sound Shore Management INC /CT/ (focused) | 4.13M | 0.77% | $70.5M | trimmed -8.8% | 2025 Q2 |
| UBS | 3.92M | 0.73% | $66.9M | trimmed -9.7% | 2020 Q2 |
| Invesco | 3.84M | 0.72% | $65.5M | added +4.4% | 2020 Q3 |
| Charles Schwab Investment Management | 3.57M | 0.67% | $60.9M | added +4.2% | 2020 Q3 |
| Woodline Partners LP | 3.52M | 0.66% | $60.1M | opened | 2026 Q1 |
| Northern Trust | 2.95M | 0.55% | $50.2M | trimmed -3.3% | 2020 Q3 |
| Private Management Group INC | 2.40M | 0.45% | $40.9M | unchanged | 2020 Q2 |
| Shapiro Capital Management LLC (focused) | 2.29M | 0.43% | $39.0M | opened | 2026 Q1 |
| E. Ohman J:or Asset Management AB | 2.04M | 0.38% | $34.7M | added +8.4% | 2023 Q4 |
| Goldman Sachs | 1.97M | 0.37% | $33.6M | added +74.6% | 2020 Q2 |
| Bank OF America CORP /DE/ | 1.90M | 0.35% | $32.4M | added +43.8% | 2020 Q2 |
| Franklin Resources | 1.79M | 0.34% | $30.5M | added +60% | 2021 Q3 |
| Seizert Capital Partners, LLC | 1.73M | 0.32% | $29.5M | trimmed -3.6% | 2020 Q4 |
| Parsifal Capital Management, LP (focused) | 1.72M | 0.32% | $29.3M | trimmed -30.3% | 2024 Q1 |
| Arbejdsmarkedets Tillaegspension | 1.50M | 0.28% | $25.6M | added +11.3% | 2025 Q4 |
| Gotham Asset Management | 1.49M | 0.28% | $25.4M | trimmed -13.9% | 2021 Q1 |
| Quantinno Capital Management LP | 1.45M | 0.27% | $24.7M | added +15.5% | 2024 Q4 |
| Squarepoint Ops LLC | 1.41M | 0.26% | $24.0M | trimmed -44.2% | 2023 Q4 |
| SEI Investments CO | 1.30M | 0.24% | $22.1M | added +7.6% | 2021 Q2 |
| DekaBank Deutsche Girozentrale | 1.22M | 0.23% | $20.8M | unchanged | 2022 Q3 |
| ExodusPoint | 1.15M | 0.21% | $19.6M | added +380.8% | 2020 Q2 |
| Federated Hermes, INC. | 1.05M | 0.20% | $17.9M | unchanged | 2020 Q2 |
| Rhumbline Advisers | 1.01M | 0.19% | $17.2M | trimmed -6% | 2020 Q3 |
| Wells Fargo & COMPANY/MN | 899.7k | 0.17% | $15.3M | added +56.2% | 2020 Q2 |
| Clearstead Advisors, LLC | 888.5k | 0.17% | $15.1M | unchanged | 2024 Q4 |
| Fidelity National Financial, INC. (focused) | 880.0k | 0.17% | $15.0M | opened | 2026 Q1 |
| CalPERS | 870.5k | 0.16% | $14.8M | trimmed -18.9% | 2020 Q3 |
| Principal Financial Group INC | 825.5k | 0.15% | $14.1M | trimmed -3% | 2021 Q1 |
| Schonfeld Strategic Advisors | 818.9k | 0.15% | $14.0M | added +103.7% | 2024 Q1 |
| American Financial Group INC | 786.8k | 0.15% | $13.4M | unchanged | 2023 Q1 |
| Swiss National Bank | 720.3k | 0.14% | $12.3M | unchanged | 2023 Q2 |
| Towerview LLC (focused) | 700.0k | 0.13% | $11.9M | added +11.1% | 2022 Q4 |
| AllianceBernstein | 664.5k | 0.12% | $11.3M | added +4% | 2020 Q2 |
| First Trust Advisors LP | 662.8k | 0.12% | $11.3M | trimmed -1.9% | 2020 Q4 |
| BNP Paribas Financial Markets | 637.9k | 0.12% | $10.9M | trimmed -25% | 2024 Q2 |
Largest 50 of 422 shown; the full ranked, searchable register is at boothcheck.com/holders/ACI. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.