ProPhase Labs, Inc.
PRPH- Exchange
- OTC
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0000868278
No open-market purchases or sales by ProPhase Labs, Inc. insiders were filed in the last 90 days; 2 institutions reported holding it in 13F filings for Q2 2026, worth $2 in total; no superinvestor holds it.
Q4 2025 vs. Q3 2025
How the institutions holding ProPhase Labs, Inc. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Q4 2025 | Change |
|---|---|---|---|
| Holders | 29 | 17 | −12 |
| Shares | 2.98M | 207.5K | −2.77M (−93.0%) |
| Value | $1.36M | $92.9K | −$1.27M (−93.2%) |
New holders (3)
Institutions that held ProPhase Labs, Inc. at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Jane Street Group, LLC | 21,952 | $9.82K | 0.00% |
| StoneX Group Inc. | 20,000 | $8.95K | 0.00% |
| Tower Research Capital LLC (TRC) | 163 | $73 | 0.00% |
Sold out (15)
Institutions that held ProPhase Labs, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Susquehanna International Group, LLP | 397,914 | $182.2K |
| Accretive Wealth Partners, LLC | 250,000 | $114.5K |
| Apollon Wealth Management, LLC | 182,464 | $83.5K |
| Chapin Davis, Inc. | 80,000 | $36.6K |
| Two Sigma Securities, LLC | 47,472 | $21.7K |
| State Street Corp | 44,663 | $20.4K |
| Bank of New York Mellon Corp | 37,052 | $17.0K |
| XTX Topco Ltd | 28,768 | $13.2K |
| Northern Trust Corp | 23,214 | $10.6K |
| BKD Wealth Advisors, LLC | 19,598 | $8.97K |
| Cambridge Investment Research Advisors, Inc. | 14,795 | $7.00K |
| Annex Advisory Services, LLC | 15,000 | $6.87K |
| Renaissance Technologies LLC | 10,100 | $4.62K |
| Nordwand Advisors, LLC | 10,000 | $4.58K |
| Key Financial Inc | 1 | $1 |