Prophase Labs Inc.
13F holders, Q2 2024 (June 30)At the end of Q2 2024, 29 institutions reported holding Prophase Labs Inc. in their 13F filings, down 3 from Q1 2024. 3 opened new positions and 5 sold out. The largest holders were Vanguard Group Inc. ($2.7M), Renaissance Technologies ($922K) and HighTower Advisors, LLC ($633K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Prophase Labs Inc.
- CUSIP
- 74345W108
- Latest filing quarter
- Q3 2025
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $144K |
| Exits | 5 | $245K |
All 13F filers, Q1 2024 → Q2 2024: 102,829 shares bought and 60,787 shares sold, net +42,042 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 29 holders
| Vanguard Group Inc. | 0.00% | Add +6.0% | 655,947 | $2.7M |
| Renaissance Technologies | 0.00% | Reduce -6.1% | 220,510 | $922K |
| HighTower Advisors, LLC | 0.00% | Reduce -1.5% | 151,372 | $633K |
| Geode Capital Management, LLC | 0.00% | Add +6.3% | 147,145 | $615K |
| Perritt Capital Management Inc | 0.20% | Reduce -0.2% | 85,500 | $357K |
| BlackRock Inc. | 0.00% | Add +12.1% | 64,299 | $269K |
| Susquehanna International Group, LLP | 0.00% | Add +14.3% | 62,478 | $261K |
| SVB Wealth LLC | 0.00% | No change | 47,665 | $199K |
| State Street Corp. | 0.00% | Add +11.2% | 44,663 | $187K |
| Northern Trust Corp. | 0.00% | Reduce -2.8% | 41,802 | $175K |
| Chapin Davis, Inc. | 0.06% | No change | 40,000 | $167K |
| Bank of New York Mellon Corp | 0.00% | No change | 37,052 | $155K |
| Bank of America Corp. | 0.00% | No change | 36,719 | $153K |
| Bridgeway Capital Management, LLC | 0.00% | Add +0.8% | 22,961 | $96K |
| Rwa Wealth Partners, LLC | 0.00% | New | 22,000 | $92K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 17,300 | $73K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -10.1% | 13,362 | $56K |
| Barclays PLC | 0.00% | New | 11,767 | $49K |
| Morgan Stanley | 0.00% | Add +0.1% | 4,382 | $18K |
| Citadel Advisors | 0.00% | Reduce -43.9% | 3,798 | $16K |
| Simplex Trading, LLC | 0.00% | Add +704.5% | 3,242 | $13K |
| Osaic Holdings, Inc. | 0.00% | No change | 2,000 | $8K |
| Wells Fargo & Company | 0.00% | Reduce -6.5% | 1,530 | $6K |
| Group One Trading LLC | 0.00% | New | 705 | $3K |
| Royal Bank of Canada | 0.00% | Add +3000.0% | 155 | $1K |
| CoreCap Advisors, LLC | 0.00% | No change | 100 | $418 |
| Farther Finance Advisors, LLC | 0.00% | No change | 97 | $394 |
| Qube Research & Technologies Ltd | 0.00% | No change | 25 | $105 |
| Jamison Private Wealth Management, Inc. | 0.00% | No change | 3,000 | $0 |
"% 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.