Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
649 institutional managers reported holding SWKS for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 65%. 80 opened new positions; 131 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 21.44M | 14.24% | $1.15B | added +10.1% | ≤2013 |
| Vanguard Group | 21.27M | 14.13% | $1.14B | added +0.7% | ≤2013 |
| Pzena Investment Management | 16.11M | 10.70% | $862.4M | added +27.6% | 2023 Q4 |
| State Street | 8.44M | 5.60% | $451.8M | added +27.8% | ≤2013 |
| Invesco | 6.30M | 4.18% | $337.1M | added +34.3% | ≤2013 |
| Geode Capital | 5.84M | 3.88% | $312.5M | added +34.6% | ≤2013 |
| FIL LTD | 5.21M | 3.46% | $278.7M | unchanged | 2022 Q4 |
| Charles Schwab Investment Management | 4.93M | 3.27% | $264.1M | trimmed -16.4% | ≤2013 |
| Dimensional Fund Advisors | 4.61M | 3.06% | $246.9M | added +19.5% | ≤2013 |
| Two Sigma | 3.47M | 2.31% | $185.9M | added +58.5% | 2021 Q3 |
| UBS | 2.94M | 1.95% | $157.4M | added +9.7% | ≤2013 |
| Morgan Stanley | 2.74M | 1.82% | $146.8M | trimmed -1.9% | ≤2013 |
| First Trust Advisors LP | 2.22M | 1.47% | $118.8M | added +51.7% | ≤2013 |
| Bank OF America CORP /DE/ | 2.13M | 1.41% | $114.0M | added +22.8% | ≤2013 |
| Goldman Sachs | 2.12M | 1.41% | $113.7M | trimmed -12.6% | ≤2013 |
| BNY Mellon | 2.10M | 1.39% | $112.3M | unchanged | ≤2013 |
| Capital Research Global Investors | 2.02M | 1.34% | $108.3M | added +25.4% | 2025 Q4 |
| Barclays PLC | 1.95M | 1.30% | $104.5M | added +11.2% | ≤2013 |
| LSV Asset Management | 1.91M | 1.26% | $102.0M | unchanged | 2022 Q1 |
| VAN ECK Associates CORP | 1.88M | 1.25% | $100.6M | added +9.8% | ≤2013 |
| AQR Capital | 1.75M | 1.16% | $93.7M | added +142.2% | ≤2013 |
| Northern Trust | 1.70M | 1.13% | $91.0M | trimmed -11.6% | ≤2013 |
| CPP Investment Board | 1.67M | 1.11% | $89.2M | added +325.2% | ≤2013 |
| Citigroup INC | 1.60M | 1.06% | $85.9M | added +61.5% | ≤2013 |
| Allianz Asset Management GmbH | 1.42M | 0.94% | $75.8M | added +4.6% | ≤2013 |
| DNB Asset Management AS | 1.34M | 0.89% | $72.0M | added +17.7% | 2015 Q1 |
| Voloridge Investment Management | 1.20M | 0.80% | $64.4M | trimmed -21.9% | 2021 Q3 |
| MFS Investment Management | 1.16M | 0.77% | $62.3M | trimmed -2.9% | 2024 Q1 |
| Russell Investments Group, LTD. | 1.12M | 0.74% | $59.7M | added +59.7% | 2016 Q4 |
| Rafferty Asset Management, LLC | 1.08M | 0.72% | $58.0M | trimmed -19.4% | 2014 Q1 |
| Quantinno Capital Management LP | 949.0k | 0.63% | $50.8M | added +26.1% | 2021 Q4 |
| Letko, Brosseau & Associates INC | 912.7k | 0.61% | $48.9M | added +35.9% | 2018 Q2 |
| Earnest Partners LLC | 876.1k | 0.58% | $46.9M | trimmed -3.3% | 2017 Q4 |
| BNP Paribas Financial Markets | 864.6k | 0.57% | $46.3M | trimmed -1.2% | ≤2013 |
| FMR (Fidelity) | 836.9k | 0.56% | $44.8M | added +2.4% | ≤2013 |
| Deutsche Bank AG\ | 772.2k | 0.51% | $41.3M | added +54.1% | ≤2013 |
| Citadel Advisors | 734.6k | 0.49% | $39.3M | added +144.9% | ≤2013 |
| Gotham Asset Management | 707.5k | 0.47% | $37.9M | added +24.4% | ≤2013 |
| Marshall Wace | 694.9k | 0.46% | $37.2M | added +491.8% | 2025 Q3 |
| Federated Hermes, INC. | 643.4k | 0.43% | $34.4M | added +8.8% | ≤2013 |
| Mirae Asset Global Etfs Holdings LTD. | 613.1k | 0.41% | $32.8M | trimmed -4.3% | 2017 Q1 |
| Man Group | 552.3k | 0.37% | $29.6M | added +8.9% | 2018 Q1 |
| LOS Angeles Capital Management LLC | 550.9k | 0.37% | $29.5M | added +2868.4% | 2025 Q2 |
| Eurizon Capital SGR S.p.A. | 540.2k | 0.36% | $28.9M | added +22.6% | 2025 Q4 |
| Ameriprise Financial INC | 497.4k | 0.33% | $26.6M | added +13.2% | ≤2013 |
| Hsbc Holdings PLC | 464.4k | 0.31% | $24.9M | added +12.7% | 2013 Q4 |
| Legal & General Group PLC | 454.9k | 0.30% | $24.4M | added +11% | ≤2013 |
| Amundi | 431.2k | 0.29% | $23.1M | added +17.5% | 2017 Q4 |
| LPL Financial LLC | 406.2k | 0.27% | $21.7M | added +25.6% | ≤2013 |
| Healthcare OF Ontario Pension Plan Trust Fund | 399.4k | 0.27% | $21.4M | trimmed -1.7% | 2019 Q4 |
Largest 50 of 649 shown; the full ranked, searchable register is at boothcheck.com/holders/SWKS. 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.