SION Institutional Ownership
Top institutional (13F) holders of SION and activist (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
31
Institutional value
$573.66M
Top holder
VIKING GLOBAL INVESTORS LP
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Top holders
| Holder | Filed | Value |
|---|---|---|
| VIKING GLOBAL INVESTORS LPother | Aug 14, 2026 | $140.56M |
| BlackRock, Inc.holding company | Aug 7, 2026 | $64.88M |
| JPMORGAN CHASE & COinvestment advisor | Aug 12, 2026 | $64.09M |
| CITADEL ADVISORS LLCinvestment advisor | Sep 1, 2026 | $50.85M |
| Vanguard Capital Managementinvestment advisor | Aug 13, 2026 | $49.8M |
| STATE STREET CORPORATIONinvestment advisor | Sep 22, 2026 | $44.94M |
| T. Rowe Price Associates, Inc.investment advisor | Aug 14, 2026 | $21.03M |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | Aug 12, 2026 | $20.11M |
| GOLDMAN SACHS GROUP INCinvestment advisor | Aug 14, 2026 | $17.1M |
| MILLENNIUM MANAGEMENT LLCinvestment advisor | Aug 14, 2026 | $14.31M |
| FRANKLIN RESOURCES INCinvestment advisor | Aug 13, 2026 | $12.76M |
| FMR LLCinvestment advisor | Aug 13, 2026 | $12.24M |
| Vanguard Portfolio Managementinvestment advisor | Aug 13, 2026 | $9.81M |
| NORTHERN TRUST CORPinvestment advisor | Aug 13, 2026 | $6.8M |
| MORGAN STANLEYinvestment advisor | Aug 13, 2026 | $6.64M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | Aug 14, 2026 | $5.71M |
| UBS Group AGinvestment advisor | Aug 13, 2026 | $5.11M |
| CITIGROUP INCinvestment advisor | Aug 3, 2026 | $4.85M |
| D. E. Shaw & Co., Inc.investment advisor | Aug 14, 2026 | $4.47M |
| BANK OF AMERICA CORP /DE/investment advisor | Aug 14, 2026 | $3.91M |
| Ameriprise Financial, Inc.holding company | Aug 14, 2026 | $3.62M |
| Point72 Asset Management, L.P.investment advisor | Aug 14, 2026 | $2.17M |
| Bank of New York Mellon Corpholding company | Aug 6, 2026 | $1.83M |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | Aug 14, 2026 | $1.64M |
| Swiss National Bankinvestment advisor | Aug 11, 2026 | $1.19M |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.