Prophase Labs Inc.
13F holders, Q2 2025 (June 30)33holders −4
8new positions
12sold out
1famous investor
$0.39avg. 13F price*
At the end of Q2 2025, 33 institutions reported holding Prophase Labs Inc. in their 13F filings, down 4 from Q1 2025. 8 opened new positions and 12 sold out. The largest holders were Sykon Capital LLC ($252K), Vanguard Group Inc. ($160K) and Geode Capital Management, LLC ($101K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Prophase Labs Inc.
- CUSIP
- 74345W108
- Latest filing quarter
- Q3 2025
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 8 | $348K |
| Exits | 12 | $1.2M |
All 13F filers, Q1 2025 → Q2 2025: 1,005,632 shares bought and 3,322,138 shares sold, net −2,316,506 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 33 holders
| Sykon Capital LLC | 0.09% | New | 644,795 | $252K |
| Vanguard Group Inc. | 0.00% | No change | 408,267 | $160K |
| Geode Capital Management, LLC | 0.00% | Add +13.8% | 259,063 | $101K |
| HighTower Advisors, LLC | 0.00% | No change | 229,454 | $90K |
| Quinn Opportunity Partners LLC | 0.01% | Reduce -31.4% | 218,127 | $85K |
| Renaissance Technologies | 0.00% | Reduce -54.0% | 137,923 | $54K |
| XTX Topco Ltd | 0.00% | New | 102,506 | $40K |
| Susquehanna International Group, LLP | 0.00% | Add +37.8% | 102,015 | $40K |
| Chapin Davis, Inc. | 0.01% | No change | 80,000 | $31K |
| Citigroup Inc. | 0.00% | New | 59,468 | $23K |
| UBS Group AG | 0.00% | Add +534.1% | 57,670 | $23K |
| State Street Corp. | 0.00% | No change | 44,663 | $17K |
| Virtu Financial LLC | 0.00% | New | 40,401 | $16K |
| Two Sigma Securities, LLC | 0.00% | Add +10.0% | 37,829 | $15K |
| Bank of New York Mellon Corp | 0.00% | No change | 37,052 | $14K |
| United Capital Management of KS, Inc. | 0.00% | No change | 34,700 | $14K |
| BlackRock, Inc. | 0.00% | Reduce -59.3% | 28,026 | $11K |
| Bank of America Corp. | 0.00% | Add +0.5% | 27,189 | $11K |
| Northern Trust Corp. | 0.00% | No change | 23,214 | $9K |
| Forvis Mazars Wealth Advisors, LLC | 0.00% | New | 19,598 | $8K |
| Cerity Partners LLC | 0.00% | Reduce -79.8% | 19,000 | $7K |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -2.5% | 16,858 | $7K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 11,767 | $5K |
| Simplex Trading, LLC | 0.00% | Add +83.2% | 11,614 | $4K |
| Principal Securities, Inc. | 0.00% | New | 10,000 | $4K |
| Morgan Stanley | 0.00% | Add +0.0% | 9,167 | $4K |
| CoreCap Advisors, LLC | 0.00% | No change | 3,500 | $1K |
| JPMorgan Chase & Co. | 0.00% | Reduce -1.8% | 1,765 | $691 |
| Wells Fargo & Company | 0.00% | No change | 1,530 | $599 |
| SBI Securities Co., Ltd. | 0.00% | Add +24.8% | 504 | $197 |
| Raymond James Financial Inc. | 0.00% | New | 198 | $77 |
| Barclays PLC | 0.00% | Reduce -99.2% | 100 | $39 |
| Farther Finance Advisors, LLC | 0.00% | No change | 97 | $38 |
"% of holder's portfolio" is PROPHASE LABS INC's weight in each manager's 13F, not the share of Prophase Labs Inc. the manager owns.