Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
439 institutional managers reported holding S for the quarter ended Mar 31, 2026. Together they hold about 81% of shares outstanding; the top 10 hold 41%. 83 opened new positions; 73 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 39.25M | 11.80% | $505.6M | added +7.4% | 2021 Q2 |
| BlackRock | 22.33M | 6.71% | $287.7M | added +7.4% | 2021 Q2 |
| AQR Capital | 19.77M | 5.94% | $254.6M | added +140.7% | 2024 Q1 |
| First Trust Advisors LP | 9.08M | 2.73% | $116.9M | trimmed -30.9% | 2021 Q3 |
| Legal & General Group PLC | 8.93M | 2.68% | $115.0M | added +4.4% | 2022 Q2 |
| Redpoint Management, LLC (focused) | 8.73M | 2.63% | $112.5M | unchanged | 2023 Q1 |
| Caprock Group, LLC | 7.74M | 2.33% | $99.7M | unchanged | 2021 Q4 |
| Millennium Management | 7.41M | 2.23% | $95.4M | added +379.3% | 2021 Q2 |
| Point72 | 6.24M | 1.88% | $80.4M | added +92.1% | 2024 Q4 |
| UBS | 6.17M | 1.85% | $79.4M | trimmed -22.2% | 2021 Q2 |
| Voya Investment Management LLC | 6.00M | 1.80% | $77.3M | trimmed -2.4% | 2022 Q2 |
| State Street | 5.96M | 1.79% | $76.7M | added +4.4% | 2021 Q3 |
| Geode Capital | 5.91M | 1.78% | $76.1M | added +6% | 2021 Q3 |
| Penserra Capital Management LLC | 5.39M | 1.62% | $69.4M | added +10.9% | 2023 Q4 |
| Anchorage Capital Group, L.l.c. (focused) | 4.94M | 1.48% | $63.6M | unchanged | 2021 Q2 |
| Dimensional Fund Advisors | 4.59M | 1.38% | $59.1M | added +11.2% | 2022 Q1 |
| Swedbank Robur | 4.18M | 1.26% | $53.9M | added +9.8% | 2024 Q2 |
| Sylebra Capital LLC (focused) | 3.72M | 1.12% | $47.9M | trimmed -13% | 2023 Q1 |
| Diamond Hill Capital Management INC | 3.44M | 1.03% | $44.2M | added +44% | 2025 Q4 |
| Charles Schwab Investment Management | 3.30M | 0.99% | $42.5M | added +9.5% | 2021 Q3 |
| Morgan Stanley | 3.28M | 0.99% | $42.2M | trimmed -2.5% | 2021 Q2 |
| Mirae Asset Global Etfs Holdings LTD. | 3.22M | 0.97% | $41.5M | added +7.2% | 2021 Q4 |
| Balyasny Asset Management | 2.53M | 0.76% | $32.5M | added +468.6% | 2023 Q1 |
| Bank OF America CORP /DE/ | 2.52M | 0.76% | $32.5M | added +17.6% | 2021 Q2 |
| Champlain Investment Partners, LLC | 2.44M | 0.73% | $31.4M | trimmed -22.9% | 2024 Q3 |
| Stephens Investment Management Group LLC | 2.39M | 0.72% | $30.8M | unchanged | 2024 Q3 |
| Freestone Grove Partners LP | 2.25M | 0.68% | $29.0M | added +337.2% | 2025 Q1 |
| Citadel Advisors | 2.19M | 0.66% | $28.2M | added +218.2% | 2022 Q3 |
| IEQ Capital, LLC | 2.12M | 0.64% | $27.3M | added +33.6% | 2022 Q1 |
| Jacobs Levy Equity Management, INC | 2.09M | 0.63% | $26.9M | added +102.2% | 2023 Q3 |
| Clearbridge Investments, LLC | 2.08M | 0.62% | $26.7M | trimmed -19.6% | 2021 Q2 |
| Bamco INC /NY/ | 1.91M | 0.57% | $24.6M | trimmed -24.8% | 2023 Q3 |
| Armistice Capital, LLC | 1.90M | 0.57% | $24.4M | trimmed -21.6% | 2022 Q3 |
| Susquehanna International Group | 1.81M | 0.55% | $23.4M | trimmed -31% | 2021 Q3 |
| Topline Capital Management, LLC (focused) | 1.78M | 0.54% | $22.9M | trimmed -76.6% | 2025 Q2 |
| BNY Mellon | 1.77M | 0.53% | $22.8M | added +15.6% | 2021 Q3 |
| Northern Trust | 1.74M | 0.52% | $22.4M | added +7.2% | 2021 Q3 |
| Alta Park Capital, LP (focused) | 1.66M | 0.50% | $21.3M | added +10.4% | 2021 Q2 |
| Wellington Management | 1.59M | 0.48% | $20.4M | added +5% | 2024 Q3 |
| BNP Paribas Financial Markets | 1.56M | 0.47% | $20.0M | added +16.3% | 2024 Q1 |
| Segall Bryant & Hamill, LLC | 1.36M | 0.41% | $17.5M | opened | 2024 Q3 |
| Goldman Sachs | 1.35M | 0.41% | $17.4M | added +69.4% | 2021 Q2 |
| Cypress Point Investment Management LP (focused) | 1.35M | 0.41% | $17.4M | trimmed -17.8% | 2025 Q4 |
| Assenagon Asset Management S.a. | 1.30M | 0.39% | $16.7M | trimmed -2.6% | 2025 Q1 |
| Generali Powszechne Towarzystwo Emerytalne (focused) | 1.06M | 0.32% | $13.7M | unchanged | 2024 Q1 |
| Strs Ohio | 1.01M | 0.30% | $13.0M | added +17.4% | 2023 Q4 |
| Clal Insurance Enterprises Holdings LTD | 996.3k | 0.30% | $12.8M | unchanged | 2021 Q4 |
| Vontobel Holding LTD. | 942.5k | 0.28% | $12.1M | trimmed -2.2% | 2023 Q2 |
| Marshall Wace | 867.8k | 0.26% | $11.2M | trimmed -65.7% | 2021 Q3 |
| Bank OF Nova Scotia | 866.2k | 0.26% | $11.2M | added +148.1% | 2025 Q4 |
Largest 50 of 439 shown; the full ranked, searchable register is at boothcheck.com/holders/S. 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.