Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
338 institutional managers reported holding SIG for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 68%. 59 opened new positions; 47 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 6.21M | 15.08% | $526.1M | added +0.5% | ≤2013 |
| Vanguard Group | 4.97M | 12.06% | $420.9M | added +3.3% | ≤2013 |
| FMR (Fidelity) | 4.53M | 11.01% | $384.0M | trimmed -9.7% | ≤2013 |
| Select Equity Group | 3.27M | 7.95% | $277.3M | trimmed -7.9% | 2019 Q3 |
| Dimensional Fund Advisors | 2.45M | 5.95% | $207.6M | added +2.5% | ≤2013 |
| American Century Companies INC | 1.75M | 4.25% | $148.1M | added +4.3% | 2019 Q4 |
| State Street | 1.64M | 3.98% | $138.8M | trimmed -2.9% | ≤2013 |
| LSV Asset Management | 1.17M | 2.83% | $98.8M | added +8.2% | 2018 Q3 |
| Geode Capital | 1.02M | 2.46% | $86.0M | added +5.5% | ≤2013 |
| Arrowstreet Capital | 1.02M | 2.46% | $86.0M | added +16.8% | 2019 Q1 |
| Morgan Stanley | 947.9k | 2.30% | $80.3M | added +27.7% | ≤2013 |
| Hood River Capital Management LLC | 849.2k | 2.06% | $71.9M | unchanged | 2025 Q2 |
| Victory Capital Management INC | 643.7k | 1.56% | $54.5M | added +0.6% | 2019 Q3 |
| UBS | 532.3k | 1.29% | $45.1M | trimmed -17.1% | ≤2013 |
| Charles Schwab Investment Management | 506.7k | 1.23% | $42.9M | trimmed -70.6% | ≤2013 |
| Northern Trust | 488.6k | 1.19% | $41.4M | added +2.2% | ≤2013 |
| Brown Advisory INC | 472.0k | 1.15% | $40.0M | trimmed -5.6% | 2023 Q1 |
| Invesco | 463.5k | 1.13% | $39.3M | added +94.1% | ≤2013 |
| Goldman Sachs | 458.7k | 1.11% | $38.8M | added +13.3% | ≤2013 |
| Nuveen | 449.6k | 1.09% | $38.1M | trimmed -8.8% | 2019 Q2 |
| Citadel Advisors | 435.1k | 1.06% | $36.9M | added +794.5% | ≤2013 |
| Clark Capital Management Group, INC. | 411.4k | 1.00% | $34.8M | trimmed -4.8% | 2025 Q4 |
| Cooper Creek Partners Management LLC | 383.5k | 0.93% | $32.5M | trimmed -1.7% | 2024 Q1 |
| Franklin Resources | 369.1k | 0.90% | $31.3M | added +39.9% | 2021 Q3 |
| BNY Mellon | 284.2k | 0.69% | $24.1M | trimmed -2.8% | ≤2013 |
| Summit Street Capital Management, LLC (focused) | 278.9k | 0.68% | $23.6M | added +2.3% | 2025 Q3 |
| Bridgeway Capital Management, LLC | 275.9k | 0.67% | $23.4M | trimmed -1.9% | 2018 Q4 |
| Principal Financial Group INC | 273.7k | 0.66% | $23.2M | added +34.8% | ≤2013 |
| Bank OF America CORP /DE/ | 272.4k | 0.66% | $23.1M | unchanged | ≤2013 |
| Voloridge Investment Management | 263.2k | 0.64% | $22.3M | added +21.7% | 2025 Q2 |
| Grace & White INC /NY | 241.1k | 0.58% | $20.4M | unchanged | ≤2013 |
| Ruffer LLP | 227.6k | 0.55% | $19.3M | added +22.9% | 2025 Q4 |
| Trexquant Investment LP | 219.5k | 0.53% | $18.6M | added +5.5% | 2025 Q4 |
| Junto Capital Management LP | 212.4k | 0.52% | $18.0M | opened | 2026 Q1 |
| Jane Street | 191.4k | 0.47% | $16.2M | opened | 2014 Q1 |
| Royce & Associates | 190.7k | 0.46% | $16.1M | unchanged | 2021 Q2 |
| Millennium Management | 190.1k | 0.46% | $16.1M | added +312.6% | 2019 Q4 |
| Allianz Asset Management GmbH | 188.6k | 0.46% | $16.0M | added +449.3% | 2021 Q3 |
| Public Sector Pension Investment Board | 184.2k | 0.45% | $15.6M | added +30% | 2019 Q3 |
| Wells Fargo & COMPANY/MN | 178.8k | 0.43% | $15.1M | added +194.9% | ≤2013 |
| Connor, Clark & Lunn Investment Management LTD. | 170.4k | 0.41% | $14.4M | trimmed -2.8% | 2025 Q1 |
| Empowered Funds, LLC | 156.8k | 0.38% | $13.3M | added +11.9% | 2023 Q2 |
| Nordea Investment Management AB | 147.6k | 0.36% | $12.5M | added +0.5% | 2022 Q4 |
| SEI Investments CO | 146.8k | 0.36% | $12.4M | added +34.7% | 2019 Q4 |
| Wesleyan Assurance Society | 141.3k | 0.34% | $12.0M | unchanged | 2019 Q1 |
| AQR Capital | 139.6k | 0.34% | $11.8M | added +17.3% | 2017 Q4 |
| Wellington Management | 131.9k | 0.32% | $11.2M | trimmed -7.2% | 2025 Q2 |
| Caption Management, LLC | 123.4k | 0.30% | $10.4M | added +5507.1% | 2024 Q3 |
| Rhumbline Advisers | 117.5k | 0.28% | $9.9M | added +1.5% | ≤2013 |
| Ameriprise Financial INC | 106.8k | 0.26% | $9.0M | trimmed -4.9% | ≤2013 |
Largest 50 of 338 shown; the full ranked, searchable register is at boothcheck.com/holders/SIG. 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.