# POLARYX THERAPEUTICS INC (PLYX)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/PLYX/

- Reporting holders: 13
- Reported value: $6.0M
- Shares held by institutions: 2,251,203 of 49,845,993 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $4.4M | 1,657,872 | 0.0% | 2 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $455.1K | 170,998 | 0.0% | 2 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $309.1K | 116,208 | 0.0% | 2 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $279.5K | 105,072 | 0.0% | 2 |
| [HRT FINANCIAL LP](https://holderbook.com/funds/1475597-hrt-financial-lp/) | $218.0K | 82,094 | 0.0% | 1 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $109.1K | 41,012 | 0.0% | 2 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $83.6K | 31,441 | 0.0% | 1 |
| [NORTHERN TRUST CORP](https://holderbook.com/funds/73124-northern-trust-corp/) | $74.4K | 27,987 | 0.0% | 2 |
| [Allworth Financial LP](https://holderbook.com/funds/1555170-allworth-financial-lp/) | $20.6K | 7,727 | 0.0% | 1 |
| [Vanguard Global Advisers, LLC](https://holderbook.com/funds/1811242-vanguard-global-advisers-llc/) | $16.8K | 6,318 | 0.0% | 2 |
| [Tower Research Capital LLC (TRC)](https://holderbook.com/funds/1533421-tower-research-capital-llc-trc/) | $8.0K | 3,002 | 0.0% | 2 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $3.4K | 1,283 | 0.0% | 2 |
| [Fortitude Family Office, LLC](https://holderbook.com/funds/1950506-fortitude-family-office-llc/) | $503 | 189 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 13 | $6.0M |
| Q1 2026 | 14 | $17.1M |