ProPhase Labs Ownership | Who Owns ProPhase Labs?
ProPhase Labs Ownership Summary
ProPhase Labs is owned by 5.47% institutional investors, 7.99% insiders, and 86.54% retail investors. Blackrock is the largest institutional shareholder, holding 0.36% of PRPH shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 1.50% of its assets in ProPhase Labs shares.
PRPH Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | ProPhase Labs | 5.47% | 7.99% | 86.54% |
| Sector | Healthcare Stocks | 232.01% | 10.74% | -142.75% |
| Industry | Specialty & Generic Drug Manufacturers Stocks | 20.82% | 11.62% | 67.56% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 64.30K | 0.36% | $268.77K |
| Susquehanna group, llp | 46.95K | 0.25% | $35.55K |
| Bank of america corp /de/ | 36.72K | 0.20% | $153.49K |
| Two sigma securities | 47.47K | 0.11% | $21.73K |
| Xtx topco | 28.77K | 0.07% | $13.17K |
| Northern trust | 23.21K | 0.06% | $10.63K |
| Group one trading | 705.00 | 0.00% | $2.95K |
| Citadel advisors | 500.00 | 0.00% | $2.09K |
| Royal bank of canada | 155.00 | 0.00% | $1.00K |
| Commonwealth equity services | - | - | - |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Two sigma securities | 47.47K | 0.00% | $21.73K |
| Xtx topco | 28.77K | 0.00% | $13.17K |
| Cerity partners | - | - | - |
| Spire wealth management | - | - | - |
| Engineers gate manager lp | - | - | - |
| Commonwealth equity services | - | - | - |
| Citizens financial group inc/ri | - | - | - |
| Blackrock | 64.30K | - | $268.77K |
| Svb wealth | - | - | - |
| Renaissance | - | - | - |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Two sigma securities | 47.47K | 0.00% | 9.64K |
| Blackrock | 64.30K | - | 6.94K |
| Group one trading | 705.00 | - | 705.00 |
| Royal bank of canada | 155.00 | - | 155.00 |
| Bank of america corp /de/ | 36.72K | - | - |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wexford capital lp | - | - | -1.53M |
| Sykon capital | - | - | -644.79K |
| Vanguard group | - | - | -531.92K |
| Fourworld capital management | - | - | -376.58K |
| Geode capital management | - | - | -302.93K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Group one trading | 705.00 | - | 705.00 | $2.95K |
Sold Out
| Holder | Change |
|---|---|
| Key financial | -1.00 |
| Qube research | -25.00 |
| Spire wealth management | -80.00 |
| Farther finance advisors | -97.00 |
| Corecap advisors | -100.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 25 | -19.35% | 2,273,605 | -14.81% | 5 | 13.26% | 13 | -13.33% | 3 | -50.00% |
| Jun 30, 2025 | 33 | -10.81% | 2,677,960 | -46.38% | 6 | 0.94% | 17 | -15.00% | 6 | -25.00% |
| Mar 31, 2025 | 37 | 23.33% | 4,994,566 | 106.49% | 26 | 16.29% | 20 | 25.00% | 8 | 60.00% |
| Dec 31, 2024 | 19 | -24.00% | 2,139,091 | 22.33% | 11 | 13.35% | 12 | 9.09% | 2 | -33.33% |
| Sep 30, 2024 | 25 | -16.67% | 1,748,647 | 0.58% | 9 | 9.87% | 11 | -8.33% | 3 | -57.14% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 454.64K | 1.50% | - |
| Vanguard US Total Market Shares ETF | 454.64K | 1.09% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 285.99K | 0.69% | -118.22K |
| Abante Quant Value FI | 24.10K | 0.51% | 24.10K |
| Perritt MicroCap Opportunities Investor | 150.00K | 0.36% | -40.00K |
| BlackRock Extended Equity Market K | 23.33K | 0.12% | -10.00 |
| Belfund SICAV Belinvest Equity A USD Acc | 50.00K | 0.11% | - |
| Perritt Ultra MicroCap | 20.00K | 0.10% | - |
| Fidelity Series Total Market Index | 4.04K | 0.09% | - |
| iShares Micro-Cap ETF | 33.93K | 0.08% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 10, 2022 | Barr Jason Michael | - | Buy | $4.67K |
| Mar 10, 2022 | Barr Jason Michael | Buy | $4.86K | |
| Jun 03, 2021 | Karkus Ted William | CEO & CHAIRMAN | Buy | $171.92K |
| Aug 13, 2020 | Karkus Ted William | CEO & CHAIRMAN | Sell | $137.50K |
| Aug 13, 2020 | GLECKEL LOUIS MD | - | Buy | $137.50K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | - |
| 2025 Q1 | - | - |
| 2024 Q1 | - | - |
| 2023 Q2 | - | - |
| 2023 Q1 | - | - |
PRPH Ownership FAQ
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