Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
256 institutional managers reported holding RSI for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 45%. 47 opened new positions; 29 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 9.53M | 8.91% | $207.3M | added +5.3% | 2021 Q1 |
| BlackRock | 8.33M | 7.79% | $181.2M | trimmed -6.4% | 2021 Q1 |
| Divisadero Street Capital Management, LP | 6.43M | 6.01% | $139.8M | added +129.4% | 2023 Q3 |
| Ameriprise Financial INC | 4.35M | 4.07% | $94.6M | added +20.7% | 2021 Q2 |
| Marshall Wace | 4.25M | 3.98% | $92.4M | added +187.2% | 2023 Q1 |
| AllianceBernstein | 3.89M | 3.64% | $84.5M | trimmed -11.9% | 2020 Q4 |
| Hood River Capital Management LLC | 3.65M | 3.42% | $79.5M | added +3.4% | 2024 Q3 |
| Arrowstreet Capital | 2.76M | 2.59% | $60.1M | added +84.7% | 2024 Q1 |
| Fuller & Thaler Asset Management, INC. | 2.71M | 2.54% | $58.9M | added +7.6% | 2025 Q3 |
| Driehaus Capital Management LLC | 2.62M | 2.45% | $56.9M | trimmed -32.7% | 2024 Q2 |
| Two Sigma | 2.56M | 2.40% | $55.8M | added +110.6% | 2021 Q2 |
| William Blair Investment Management, LLC | 2.33M | 2.18% | $50.7M | trimmed -8.9% | 2024 Q4 |
| Renaissance Technologies | 2.29M | 2.14% | $49.7M | added +15.9% | 2022 Q1 |
| Geode Capital | 2.27M | 2.12% | $49.3M | added +1.4% | 2021 Q1 |
| Morgan Stanley | 2.22M | 2.08% | $48.3M | added +23.9% | 2020 Q4 |
| State Street | 2.02M | 1.89% | $44.0M | added +3.8% | 2021 Q1 |
| Nuveen | 1.85M | 1.73% | $40.2M | trimmed -14.8% | 2021 Q2 |
| 1832 Asset Management L.p. | 1.66M | 1.55% | $36.1M | added +318.9% | 2024 Q4 |
| Emerald Advisers, LLC | 1.57M | 1.47% | $34.2M | trimmed -2% | 2024 Q4 |
| Oberweis Asset Management INC/ | 1.43M | 1.34% | $31.2M | added +1.6% | 2024 Q1 |
| D. E. Shaw | 1.39M | 1.30% | $30.2M | trimmed -6.6% | 2021 Q2 |
| Voloridge Investment Management | 1.32M | 1.23% | $28.7M | added +78.5% | 2025 Q3 |
| Cooper Creek Partners Management LLC | 1.14M | 1.07% | $24.9M | opened | 2026 Q1 |
| Northern Trust | 1.01M | 0.94% | $21.9M | added +2.3% | 2021 Q1 |
| AQR Capital | 984.1k | 0.92% | $21.4M | added +32.3% | 2022 Q1 |
| Emerald Mutual Fund Advisers Trust | 981.9k | 0.92% | $21.4M | unchanged | 2024 Q4 |
| Jacobs Levy Equity Management, INC | 935.1k | 0.88% | $20.3M | added +41.4% | 2025 Q3 |
| Balyasny Asset Management | 907.9k | 0.85% | $19.8M | added +276.3% | 2023 Q4 |
| Jane Street | 904.7k | 0.85% | $19.7M | added +58.8% | 2020 Q4 |
| Charles Schwab Investment Management | 863.4k | 0.81% | $18.8M | added +1.8% | 2021 Q1 |
| Bank OF America CORP /DE/ | 852.7k | 0.80% | $18.6M | added +81.8% | 2020 Q4 |
| Dimensional Fund Advisors | 826.3k | 0.77% | $18.0M | added +6.2% | 2025 Q2 |
| BNP Paribas Financial Markets | 821.3k | 0.77% | $17.9M | trimmed -6.8% | 2024 Q4 |
| Penn Capital Management Company, LLC | 742.9k | 0.69% | $16.2M | added +0.6% | 2025 Q1 |
| UBS | 667.6k | 0.63% | $14.5M | trimmed -42.5% | 2020 Q4 |
| Goldman Sachs | 651.1k | 0.61% | $14.2M | trimmed -51.5% | 2020 Q4 |
| Assenagon Asset Management S.a. | 623.1k | 0.58% | $13.6M | trimmed -7.6% | 2022 Q2 |
| Russell Investments Group, LTD. | 592.6k | 0.56% | $12.9M | trimmed -25.3% | 2023 Q3 |
| NEW York State Common Retirement Fund | 578.9k | 0.54% | $12.6M | unchanged | 2021 Q2 |
| Landscape Capital Management, L.l.c. | 575.1k | 0.54% | $12.5M | added +29.8% | 2025 Q3 |
| Nicholas Investment Partners, LP | 542.7k | 0.51% | $11.8M | trimmed -6.5% | 2024 Q4 |
| Trexquant Investment LP | 509.0k | 0.48% | $11.1M | added +75.7% | 2024 Q1 |
| Prospect Capital Advisors, LLC (focused) | 482.5k | 0.45% | $10.5M | added +9.1% | 2024 Q4 |
| HRT Financial LP | 460.8k | 0.43% | $10.0M | added +360.7% | 2023 Q3 |
| Panagora Asset Management INC | 450.8k | 0.42% | $9.8M | added +28% | 2025 Q2 |
| Federated Hermes, INC. | 440.6k | 0.41% | $9.6M | added +36.9% | 2022 Q3 |
| Citadel Advisors | 437.2k | 0.41% | $9.5M | trimmed -67.5% | 2021 Q1 |
| SEI Investments CO | 426.1k | 0.40% | $9.3M | added +28.2% | 2024 Q2 |
| First Trust Advisors LP | 412.1k | 0.39% | $9.0M | added +11.5% | 2025 Q2 |
| Qube Research & Technologies LTD | 393.7k | 0.37% | $8.6M | trimmed -54.6% | 2024 Q2 |
Largest 50 of 256 shown; the full ranked, searchable register is at boothcheck.com/holders/RSI. 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.