Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
243 institutional managers reported holding ACT for the quarter ended Mar 31, 2026. Together they hold about 19% of shares outstanding; the top 10 hold 11%. 34 opened new positions; 35 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 4.66M | 3.27% | $190.3M | added +0.6% | 2021 Q3 |
| Dimensional Fund Advisors | 3.00M | 2.10% | $122.5M | added +4% | 2022 Q4 |
| First Trust Advisors LP | 1.40M | 0.98% | $56.9M | added +1.2% | 2022 Q2 |
| Glendon Capital Management LP (focused) | 1.30M | 0.91% | $53.0M | unchanged | 2021 Q3 |
| State Street | 1.21M | 0.85% | $49.2M | added +6.2% | 2021 Q4 |
| LSV Asset Management | 1.03M | 0.72% | $41.8M | unchanged | 2024 Q4 |
| Arrowstreet Capital | 993.0k | 0.70% | $40.5M | trimmed -6.4% | 2022 Q3 |
| American Century Companies INC | 876.6k | 0.61% | $35.8M | added +7.1% | 2021 Q3 |
| Geode Capital | 874.3k | 0.61% | $35.7M | added +0.8% | 2021 Q3 |
| Allianz Asset Management GmbH | 560.8k | 0.39% | $22.9M | added +34.4% | 2023 Q2 |
| Morgan Stanley | 514.5k | 0.36% | $21.0M | added +63.9% | 2021 Q4 |
| Two Sigma | 504.5k | 0.35% | $20.6M | added +37.1% | 2022 Q3 |
| Invesco | 465.7k | 0.33% | $19.0M | added +50.5% | 2023 Q1 |
| BNY Mellon | 402.1k | 0.28% | $16.4M | trimmed -3.9% | 2021 Q4 |
| Nuveen | 401.0k | 0.28% | $16.4M | trimmed -12.8% | 2021 Q4 |
| Charles Schwab Investment Management | 392.1k | 0.28% | $16.0M | added +2.7% | 2021 Q4 |
| Goldman Sachs | 341.9k | 0.24% | $13.9M | added +100.6% | 2021 Q3 |
| Hotchkis & Wiley Capital Management LLC | 341.9k | 0.24% | $13.9M | trimmed -3.5% | 2022 Q3 |
| Prudential Financial INC | 334.5k | 0.23% | $13.6M | added +4.3% | 2022 Q1 |
| Northern Trust | 303.0k | 0.21% | $12.4M | added +2.2% | 2021 Q4 |
| Danske Bank A/S | 263.9k | 0.18% | $10.8M | opened | 2026 Q1 |
| Royce & Associates | 262.3k | 0.18% | $10.7M | unchanged | 2025 Q1 |
| AQR Capital | 229.7k | 0.16% | $9.4M | added +7.2% | 2023 Q1 |
| Bank OF America CORP /DE/ | 223.5k | 0.16% | $9.1M | trimmed -9.9% | 2021 Q4 |
| DekaBank Deutsche Girozentrale | 217.6k | 0.15% | $8.9M | unchanged | 2022 Q2 |
| Victory Capital Management INC | 214.5k | 0.15% | $8.8M | added +540.3% | 2025 Q2 |
| Allworth Financial LP | 210.4k | 0.15% | $8.6M | opened | 2024 Q3 |
| Edgestream Partners, L.p. | 205.4k | 0.14% | $8.4M | added +17.4% | 2023 Q4 |
| Connor, Clark & Lunn Investment Management LTD. | 204.2k | 0.14% | $8.3M | trimmed -32.2% | 2023 Q3 |
| Principal Financial Group INC | 202.9k | 0.14% | $8.3M | trimmed -5.4% | 2022 Q4 |
| Denali Advisors LLC | 182.3k | 0.13% | $7.4M | unchanged | 2023 Q1 |
| UBS | 179.6k | 0.13% | $7.3M | added +15% | 2019 Q3 |
| Mirae Asset Global Etfs Holdings LTD. | 162.3k | 0.11% | $6.6M | added +39.8% | 2022 Q3 |
| Qube Research & Technologies LTD | 156.7k | 0.11% | $6.4M | trimmed -23% | 2023 Q1 |
| Public Sector Pension Investment Board | 149.9k | 0.10% | $6.1M | added +7.5% | 2025 Q2 |
| Franklin Resources | 145.6k | 0.10% | $5.9M | added +427.7% | 2024 Q2 |
| Robeco Institutional Asset Management B.v. | 138.5k | 0.10% | $5.6M | added +0.9% | 2022 Q3 |
| Alps Advisors INC | 132.2k | 0.09% | $5.4M | trimmed -4.6% | 2025 Q3 |
| Voloridge Investment Management | 120.7k | 0.09% | $4.9M | trimmed -24.9% | 2023 Q2 |
| Citadel Advisors | 117.9k | 0.08% | $4.8M | trimmed -14.3% | 2021 Q3 |
| Moody Aldrich Partners LLC | 115.8k | 0.08% | $4.7M | unchanged | 2024 Q3 |
| Livforsakringsbolaget Skandia, Omsesidigt | 111.0k | 0.08% | $4.5M | added +122.4% | 2025 Q3 |
| Amundi | 103.6k | 0.07% | $4.2M | opened | 2026 Q1 |
| Deutsche Bank AG\ | 98.8k | 0.07% | $4.0M | trimmed -5.7% | 2021 Q4 |
| Ameriprise Financial INC | 91.1k | 0.06% | $3.7M | trimmed -13.2% | 2022 Q3 |
| Exchange Traded Concepts, LLC | 90.6k | 0.06% | $3.7M | unchanged | 2025 Q3 |
| Vest Financial, LLC | 90.6k | 0.06% | $3.7M | added +9.6% | 2025 Q2 |
| Creative Planning | 85.9k | 0.06% | $3.5M | added +64.3% | 2024 Q4 |
| GAMCO (Gabelli) | 85.4k | 0.06% | $3.5M | trimmed -2.9% | 2025 Q2 |
| Martingale Asset Management L P | 85.3k | 0.06% | $3.5M | added +9.8% | 2022 Q3 |
Largest 50 of 243 shown; the full ranked, searchable register is at boothcheck.com/holders/ACT. 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.