Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
359 institutional managers reported holding ACA for the quarter ended Mar 31, 2026. Together they hold about 92% of shares outstanding; the top 10 hold 58%. 44 opened new positions; 43 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 7.62M | 15.49% | $808.7M | added +6.2% | 2018 Q4 |
| Vanguard Group | 5.46M | 11.11% | $579.9M | added +2.1% | 2018 Q4 |
| Neuberger Berman Group LLC | 2.67M | 5.43% | $283.8M | added +1.5% | 2021 Q4 |
| Dimensional Fund Advisors | 2.32M | 4.71% | $245.9M | unchanged | 2018 Q4 |
| T. Rowe Price Investment Management, INC. | 2.08M | 4.22% | $220.6M | added +581.1% | 2023 Q4 |
| State Street | 1.98M | 4.03% | $210.2M | added +1.7% | 2018 Q4 |
| Capital Group (American Funds) | 1.97M | 4.01% | $209.2M | added +17.3% | 2020 Q3 |
| Capital International Investors | 1.95M | 3.97% | $207.3M | trimmed -13% | 2019 Q4 |
| Royce & Associates | 1.25M | 2.54% | $132.9M | added +1.4% | 2018 Q4 |
| Geode Capital | 1.21M | 2.46% | $128.4M | added +5.1% | 2018 Q4 |
| Nomura Asset Management International INC. | 1.07M | 2.17% | $113.6M | added +7.9% | 2025 Q4 |
| Silvercrest Asset Management Group LLC | 1.00M | 2.04% | $106.6M | trimmed -8.3% | 2020 Q1 |
| Loomis Sayles & CO L P | 793.1k | 1.61% | $84.2M | trimmed -5.3% | 2018 Q4 |
| Franklin Resources | 625.7k | 1.27% | $66.4M | trimmed -15% | 2018 Q4 |
| Charles Schwab Investment Management | 625.6k | 1.27% | $66.4M | trimmed -1.1% | 2018 Q4 |
| First Trust Advisors LP | 530.5k | 1.08% | $56.3M | added +29.1% | 2019 Q1 |
| Northern Trust | 522.2k | 1.06% | $55.4M | trimmed -9.4% | 2018 Q4 |
| Morgan Stanley | 479.2k | 0.97% | $50.9M | trimmed -11.8% | 2018 Q4 |
| Vaughan Nelson Investment Management, L.p. | 436.3k | 0.89% | $46.3M | added +2.3% | 2025 Q3 |
| Goldman Sachs | 435.1k | 0.88% | $46.2M | trimmed -18.5% | 2018 Q4 |
| Mirae Asset Global Etfs Holdings LTD. | 383.3k | 0.78% | $40.7M | added +8.1% | 2020 Q1 |
| Manufacturers Life Insurance Company, THE | 369.2k | 0.75% | $39.2M | trimmed -16.3% | 2019 Q2 |
| Punch & Associates Investment Management, INC. | 362.3k | 0.74% | $38.5M | unchanged | 2020 Q4 |
| BNY Mellon | 342.5k | 0.70% | $36.3M | trimmed -2.2% | 2018 Q4 |
| Ananym Capital Management, LP (focused) | 333.0k | 0.68% | $35.3M | opened | 2026 Q1 |
| Nuveen | 326.4k | 0.66% | $34.6M | trimmed -17.3% | 2019 Q1 |
| Ameriprise Financial INC | 308.9k | 0.63% | $32.8M | added +227.6% | 2018 Q4 |
| T. Rowe Price | 282.4k | 0.57% | $30.0M | added +120.3% | 2018 Q4 |
| Oberweis Asset Management INC/ | 267.7k | 0.54% | $28.4M | added +20.8% | 2024 Q4 |
| Principal Financial Group INC | 266.1k | 0.54% | $28.2M | added +13.7% | 2018 Q4 |
| Bank OF America CORP /DE/ | 260.5k | 0.53% | $27.7M | trimmed -27.9% | 2018 Q4 |
| FMR (Fidelity) | 231.7k | 0.47% | $24.6M | trimmed -16.9% | 2018 Q4 |
| Qube Research & Technologies LTD | 214.8k | 0.44% | $22.8M | added +78.7% | 2022 Q2 |
| UBS | 196.4k | 0.40% | $20.8M | added +20.3% | 2018 Q4 |
| Prudential Financial INC | 189.4k | 0.39% | $20.1M | trimmed -45.3% | 2018 Q4 |
| Tctc Holdings, LLC | 182.6k | 0.37% | $19.4M | unchanged | 2018 Q4 |
| Gamco Investors, INC. et al | 179.3k | 0.36% | $19.0M | trimmed -3% | 2018 Q4 |
| Public Sector Pension Investment Board | 175.5k | 0.36% | $18.6M | added +3.3% | 2018 Q4 |
| Impax Asset Management Group plc | 171.5k | 0.35% | $18.2M | added +9.6% | 2023 Q3 |
| Glenmede Trust CO NA | 151.5k | 0.31% | $16.1M | trimmed -8.5% | 2018 Q4 |
| Select Equity Group | 146.4k | 0.30% | $15.5M | added +24% | 2025 Q1 |
| Rhumbline Advisers | 146.2k | 0.30% | $15.5M | added +1.7% | 2018 Q4 |
| GAMCO (Gabelli) | 145.0k | 0.29% | $15.4M | added +0.6% | 2018 Q4 |
| Aptus Capital Advisors, LLC | 132.4k | 0.27% | $14.1M | added +1% | 2020 Q2 |
| Thrivent Financial for Lutherans | 127.3k | 0.26% | $13.5M | added +1.5% | 2018 Q4 |
| First Eagle Investment Management | 126.6k | 0.26% | $13.4M | added +0.9% | 2021 Q2 |
| Russell Investments Group, LTD. | 125.1k | 0.25% | $13.3M | added +14.3% | 2018 Q4 |
| Invesco | 119.0k | 0.24% | $12.6M | added +1.4% | 2018 Q4 |
| Legal & General Group PLC | 115.4k | 0.23% | $12.2M | trimmed -8.9% | 2018 Q4 |
| Peregrine Capital Management LLC | 110.2k | 0.22% | $11.7M | trimmed -4.2% | 2025 Q2 |
Largest 50 of 359 shown; the full ranked, searchable register is at boothcheck.com/holders/ACA. 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.