PLYX Polaryx Therapeutics, Inc.: institutional ownership and insider trading
12 funds reported holding $5.83M of Polaryx Therapeutics, Inc. in their latest 13F filings; in Q2 2026 funds net sold $197K, with 4 new positions and 5 funds selling out; over the last 12 months insiders bought $368K and sold $0 on the open market.
Largest institutional holders of PLYX
- VANGUARD CAPITAL MANAGEMENT LLC — $4.41M
- GEODE CAPITAL MANAGEMENT, LLC — $455K
- VANGUARD FIDUCIARY TRUST CO — $279K
- HRT FINANCIAL LP — $218K
- STATE STREET CORP (STT, STT-PG) — $155K
- BlackRock, Inc. (BLK) — $109K
- JANE STREET GROUP, LLC — $83.6K
- NORTHERN TRUST CORP (NTRS, NTRSO) — $74.4K
- Allworth Financial LP — $20.6K
- Vanguard Global Advisers, LLC — $16.8K
Recent PLYX insider trades
- May 27, 2026: Yang Alex Keun Mo bought 88,453 shares ($360K)
- Feb 18, 2026: Landis G. Michael bought 2,867 shares ($8.00K)
5%+ owners
- Alex Keun Mo Yang: 48.0% (Schedule 13D, filed Feb 5, 2026)