ProPhase Labs, Inc. - PRPH
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SYKON CAPITAL LLC | History | Reduced | 64,478 | 28 | 0.01% | 0.1% | 1 | -580,317 | -90.0% | Q4 2025 | Feb 12, 2026 |
| VANGUARD GROUP INC | History | Reduced | 53,192 | 23 | 0.0% | 0.0% | 2 | -478,727 | -90.0% | Q4 2025 | Jan 29, 2026 |
| GROUP ONE TRADING LLC | History | New | 27,300 | 12 | 0.0% | — | 3 | +27,300 | New | Q4 2025 | Feb 12, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 21,952 | 9 | 0.0% | 0.0% | 4 | +8,252 | 60.23% | Q4 2025 | Feb 12, 2026 |
| HighTower Advisors, LLC | History | Reduced | 18,839 | 8 | 0.0% | 0.0% | 6 | -218,499 | -92.06% | Q4 2025 | Feb 06, 2026 |
| StoneX Group Inc. | History | New | 20,000 | 8 | 0.0% | — | 5 | +20,000 | New | Q4 2025 | Feb 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 16,262 | 7 | 0.0% | 0.0% | 7 | -286,667 | -94.63% | Q4 2025 | Feb 09, 2026 |
| SIMPLEX TRADING, LLC | History | Reduced | 7,431 | 3 | 0.0% | 0.0% | 8 | -33,167 | -81.7% | Q4 2025 | Feb 11, 2026 |
| UBS Group AG | History | Reduced | 3,056 | 1 | 0.0% | 0.0% | 9 | -16,684 | -84.52% | Q4 2025 | Jan 29, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -397,914 | -100.0% | Q4 2025 | Feb 17, 2026 |
| Accretive Wealth Partners, LLC | History | Closed out | 0 | 0 | — | 0.03% | — | -250,000 | -100.0% | Q4 2025 | Jan 28, 2026 |
| Apollon Wealth Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -182,464 | -100.0% | Q4 2025 | Jan 22, 2026 |
| CHAPIN DAVIS, INC. | History | Closed out | 0 | 0 | — | 0.01% | — | -80,000 | -100.0% | Q4 2025 | Jan 30, 2026 |
| TWO SIGMA SECURITIES, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -47,472 | -100.0% | Q4 2025 | Feb 17, 2026 |
| STATE STREET CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -44,663 | -100.0% | Q4 2025 | Feb 13, 2026 |
| Bank of New York Mellon Corp | History | Closed out | 0 | 0 | — | 0.0% | — | -37,052 | -100.0% | Q4 2025 | Feb 10, 2026 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -28,768 | -100.0% | Q4 2025 | Feb 17, 2026 |
| BlackRock, Inc. | History | Reduced | 126 | 0 | — | 0.0% | — | -27,900 | -99.55% | Q4 2025 | Feb 12, 2026 |
| NORTHERN TRUST CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -23,214 | -100.0% | Q4 2025 | Feb 17, 2026 |
| Forvis Mazars Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -19,598 | -100.0% | Q4 2025 | Feb 10, 2026 |
| Annex Advisory Services, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -15,000 | -100.0% | Q4 2025 | Jan 26, 2026 |
| Cambridge Investment Research Advisors, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -14,795 | -100.0% | Q4 2025 | Feb 05, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,100 | -100.0% | Q4 2025 | Feb 12, 2026 |
| Nordwand Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,000 | -100.0% | Q4 2025 | Feb 03, 2026 |
| MORGAN STANLEY | History | Reduced | 919 | 0 | — | 0.0% | — | -8,248 | -89.97% | Q4 2025 | May 27, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 177 | 0 | — | — | — | -1,588 | -89.97% | Q4 2025 | Feb 11, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 23 | 0 | — | — | — | -1,507 | -98.5% | Q4 2025 | Feb 13, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 114 | 0 | — | — | — | -1,004 | -89.8% | Q4 2025 | Feb 17, 2026 |
| CoreCap Advisors, LLC | History | Added to | 720 | 0 | — | — | — | +620 | 620.0% | Q4 2025 | Jan 13, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 50 | 0 | — | — | — | -454 | -90.08% | Q4 2025 | Feb 03, 2026 |
| Tower Research Capital LLC (TRC) | History | New | 163 | 0 | — | — | — | +163 | New | Q4 2025 | Feb 17, 2026 |
| Farther Finance Advisors, LLC | History | Reduced | 9 | 0 | — | — | — | -88 | -90.72% | Q4 2025 | Jan 23, 2026 |
| Key FInancial Inc | History | Closed out | 0 | 0 | — | — | — | -1 | -100.0% | Q4 2025 | Feb 09, 2026 |