QSI Institutional Ownership
Top institutional (13F) holders of QSI and activist (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
32
Institutional value
$34.23B
Top holder
Vanguard Capital Management
Top holders
| Holder | Filed | Value |
|---|---|---|
| Vanguard Capital Managementhedge fund | Aug 13, 2026 | $6.71B |
| ARK Investment Management LLChedge fund | Aug 14, 2026 | $6.34B |
| BlackRock, Inc.holding company | Aug 7, 2026 | $4.62B |
| MILLENNIUM MANAGEMENT LLCinvestment advisor | Aug 14, 2026 | $2.77B |
| UBS Group AGinvestment advisor | Aug 13, 2026 | $2.27B |
| JANE STREET GROUP, LLCholding company | Aug 14, 2026 | $2.15B |
| AQR CAPITAL MANAGEMENT LLCinvestment advisor | Aug 14, 2026 | $2.08B |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | Aug 12, 2026 | $1.98B |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | Aug 14, 2026 | $1.36B |
| STATE STREET CORPinvestment advisor | Aug 7, 2026 | $788.31M |
| RENAISSANCE TECHNOLOGIES LLCinvestment advisor | Aug 13, 2026 | $490.18M |
| Vanguard Portfolio Managementhedge fund | Aug 13, 2026 | $439.93M |
| GOLDMAN SACHS GROUP INCinvestment advisor | Aug 14, 2026 | $421.51M |
| NORTHERN TRUST CORPinvestment advisor | Aug 13, 2026 | $398.72M |
| Invesco Ltd.investment advisor | Aug 14, 2026 | $392.88M |
| CITADEL ADVISORS LLCinvestment advisor | Aug 14, 2026 | $294.65M |
| MORGAN STANLEYinvestment advisor | Aug 13, 2026 | $286.28M |
| FMR LLCinvestment advisor | Aug 13, 2026 | $109.53M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | Aug 14, 2026 | $74.88M |
| BANK OF AMERICA CORP /DE/investment advisor | Aug 14, 2026 | $52.73M |
| WELLS FARGO & COMPANY/MNinvestment advisor | Jul 8, 2026 | $49.43M |
| TWO SIGMA INVESTMENTS, LPinvestment advisor | May 15, 2026 | $40.96M |
| Point72 Asset Management, L.P.investment advisor | Aug 14, 2026 | $34.63M |
| Neuberger Berman Group LLCinvestment advisor | Aug 13, 2026 | $19.26M |
| Bank of New York Mellon Corpholding company | Aug 6, 2026 | $16.64M |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.