6 institutions reported holding $413,563 of POLYRIZON LTD (PLRZ) in SEC 13F filings for 2026-03-31. Largest institutional holders: FNY Investment Advisers, LLC ($283,000), CITADEL ADVISORS LLC ($117,119), Legacy Wealth Managment, LLC/ID ($13,432), CITIGROUP INC ($12), JANE STREET GROUP, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | FNY Investment Advisers, LLC | $283,000 | 24,575 | New |
| 2 | CITADEL ADVISORS LLC | $117,119 | 10,149 | New |
| 3 | Legacy Wealth Managment, LLC/ID | $13,432 | 1,150 | New |
| 4 | CITIGROUP INC | $12 | 1 | Trimmed |
| 5 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 6 | UBS Group AG | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31