Polaryx Therapeutics, Inc.
PLYX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0002075320
No open-market purchases or sales by Polaryx Therapeutics, Inc. insiders were filed in the last 90 days; 13 institutions reported holding it in 13F filings for Q2 2026, worth $5.83M in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −1 vs. previous quarter
- 13
- 13F valueReported value at the end of Q2 2026
- $5.83M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding PLYX, Q2 2026
No superinvestor reported holding PLYX at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Polaryx Therapeutics, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 28, 2026 (view filing)8:00 PM ET | May 27 | 1 day | Yang Alex Keun Mo and 1 otherChief Executive Officer | PPurchase | +88.5K | $4.07 | +$360.0K | +0.4%24.2M after | |
| Feb 20, 2026 (view filing) | Feb 18 | 2 days | Landis G. MichaelChief Financial Officer | PPurchase | +2.87K | $2.79 | +$8.00K | +1.3%228.2K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Polaryx Therapeutics, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 1,657,872 | $4.41M | 0.00% | −5160.0% | Reduced |
| Geode Capital Management, LLC | 170,998 | $455.1K | 0.00% | +325+0.2% | Added |
| Vanguard Fiduciary Trust Co | 105,072 | $279.5K | 0.00% | +516+0.5% | Added |
| HRT Financial LP | 82,094 | $218.0K | 0.00% | +82,094 | New |
| State Street Corp | 58,104 | $154.6K | 0.00% | 00.0% | Unchanged |
| BlackRock, Inc. | 41,012 | $109.1K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 31,441 | $83.6K | 0.00% | +31,441 | New |
| Northern Trust Corp | 27,987 | $74.4K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 7,727 | $20.6K | 0.00% | +7,727 | New |
| Vanguard Global Advisers, LLC | 6,318 | $16.8K | 0.00% | 00.0% | Unchanged |