Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
508 institutional managers reported holding SGI for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 55%. 62 opened new positions; 79 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| FMR (Fidelity) | 27.86M | 13.11% | trimmed -4.7% | 2018 Q1 | |
| BlackRock | 20.14M | 9.47% | added +2.4% | ≤2013 | |
| Vanguard Group | 19.18M | 9.02% | added +1.9% | ≤2013 | |
| Select Equity Group | 9.27M | 4.36% | trimmed -11.1% | 2022 Q1 | |
| Linonia Partnership LP (focused) | 8.78M | 4.13% | unchanged | 2023 Q4 | |
| Windacre Partnership LLC (focused) | 8.22M | 3.87% | trimmed -11.8% | 2025 Q1 | |
| State Street | 6.89M | 3.24% | added +2.1% | ≤2013 | |
| Browning West LP (focused) | 5.90M | 2.77% | added +2.6% | 2020 Q4 | |
| Abrams Capital (focused) | 5.80M | 2.73% | unchanged | 2021 Q3 | |
| Geode Capital | 4.86M | 2.28% | added +11% | ≤2013 | |
| D1 Capital Partners L.p. (focused) | 4.69M | 2.21% | opened | 2026 Q1 | |
| Artisan Partners | 4.63M | 2.18% | added +50.7% | 2025 Q4 | |
| Boston Partners | 3.80M | 1.79% | trimmed -4.4% | 2020 Q1 | |
| London CO OF Virginia | 3.18M | 1.50% | trimmed -8.5% | ≤2013 | |
| Allspring Global Investments Holdings, LLC | 3.05M | 1.43% | added +62.5% | 2025 Q2 | |
| Timucuan Asset Management INC/FL (focused) | 2.94M | 1.38% | trimmed -2% | ≤2013 | |
| Darsana Capital Partners LP (focused) | 2.66M | 1.25% | trimmed -11.5% | 2023 Q4 | |
| Beck Mack & Oliver LLC | 2.41M | 1.13% | added +3.7% | 2025 Q1 | |
| Third Point (focused) | 2.27M | 1.07% | trimmed -33.2% | 2025 Q3 | |
| Bank OF America CORP /DE/ | 2.24M | 1.05% | trimmed -11.2% | ≤2013 | |
| Point72 | 2.22M | 1.04% | added +508.3% | 2025 Q3 | |
| Morgan Stanley | 2.08M | 0.98% | added +76.8% | ≤2013 | |
| UBS | 1.96M | 0.92% | trimmed -13.6% | ≤2013 | |
| Dimensional Fund Advisors | 1.91M | 0.90% | trimmed -5.8% | ≤2013 | |
| Wellington Management | 1.78M | 0.84% | trimmed -8.7% | 2024 Q3 | |
| Northern Trust | 1.77M | 0.83% | added +2.5% | ≤2013 | |
| Goldman Sachs | 1.70M | 0.80% | added +35.5% | ≤2013 | |
| Avala Global LP (focused) | 1.69M | 0.79% | added +16.5% | 2022 Q4 | |
| Eminence Capital (focused) | 1.51M | 0.71% | added +382.2% | 2020 Q1 | |
| Charles Schwab Investment Management | 1.43M | 0.67% | added +3.8% | ≤2013 | |
| Invesco | 1.40M | 0.66% | trimmed -14.3% | ≤2013 | |
| BNY Mellon | 1.40M | 0.66% | trimmed -2% | ≤2013 | |
| Hudson Way Capital Management LLC (focused) | 1.28M | 0.60% | added +16% | 2023 Q1 | |
| SEI Investments CO | 1.21M | 0.57% | added +50.5% | 2013 Q3 | |
| Steadfast Capital Management LP | 1.05M | 0.49% | opened | 2026 Q1 | |
| Forest Avenue Capital Management LP (focused) | 1.01M | 0.48% | added +45.5% | 2022 Q4 | |
| Neuberger Berman Group LLC | 927.7k | 0.44% | added +0.6% | 2018 Q2 | |
| Clearbridge Investments, LLC | 779.6k | 0.37% | added +63.3% | 2025 Q4 | |
| T. Rowe Price | 722.9k | 0.34% | unchanged | ≤2013 | |
| 140 Summer Partners LP (focused) | 716.9k | 0.34% | added +9.3% | 2022 Q4 | |
| Citadel Advisors | 692.9k | 0.33% | added +1546.9% | ≤2013 | |
| Voloridge Investment Management | 689.6k | 0.32% | added +16.6% | 2025 Q4 | |
| M.d. Sass, LLC (focused) | 642.4k | 0.30% | added +9.7% | 2025 Q2 | |
| Avantyr Capital Partners, LP (focused) | 624.2k | 0.29% | opened | 2026 Q1 | |
| Goodnow Investment Group, LLC (focused) | 609.8k | 0.29% | trimmed -4.7% | 2023 Q3 | |
| Royal Bank OF Canada | 609.0k | 0.29% | trimmed -25.6% | ≤2013 | |
| SW Investment Management LLC (focused) | 600.0k | 0.28% | added +4.3% | 2022 Q3 | |
| Marshall Wace | 588.8k | 0.28% | trimmed -21.7% | 2024 Q2 | |
| Rhumbline Advisers | 569.4k | 0.27% | added +3% | ≤2013 | |
| Greenstone Partners & CO., LLC (focused) | 568.4k | 0.27% | added +8.1% | 2025 Q3 |
Largest 50 of 508 shown; the full ranked, searchable register is at boothcheck.com/holders/SGI. 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.