ProPhase Labs
PRPH
PRPH was delisted on the 2nd of January, 2026.
22 hedge funds and large institutions have $10.8M invested in ProPhase Labs in 2022 Q1 according to their latest regulatory filings, with 1 funds opening new positions, 8 increasing their positions, 7 reducing their positions, and 4 closing their positions.
14% more repeat investments, than reductions
Existing positions increased: 8 | Existing positions reduced: 7
0.02% more ownership
Funds ownership: 0.97% → 0.99% (+0.02%)
1% less capital invested
Capital invested by funds: $10.8M → $10.8M (-$56K)
12% less funds holding
Funds holding: 25 → 22 (-3)
75% less first-time investments, than exits
New positions opened: 1 | Existing positions closed: 4
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $236K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AWE
Avidian Wealth Enterprises
Houston,
Texas
|
+$143K |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
+$102K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$79.5K |
| 4 |
State Street
Boston,
Massachusetts
|
+$26.8K |
| 5 |
Ameriprise
Minneapolis,
Minnesota
|
+$22.9K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$73.1K |
| 2 |
Bank of New York Mellon
New York
|
-$43.2K |
| 3 |
Renaissance Technologies
New York
|
-$34.8K |
| 4 |
Morgan Stanley
New York
|
-$23.2K |
| 5 |
Simplex Trading
Chicago,
Illinois
|
-$10.8K |
PRPH Hedge Fund Activity: Q1 2022 in Review
22 of the 6,360 institutional investors tracked by Wall St. Rank reported a position in ProPhase Labs (PRPH) for Q1 2022, worth a combined $10.8M — down 0.52% from $10.8M a quarter earlier.
Sellers outnumbered buyers: 4 funds closed out of PRPH and 1 opened new positions — a net loss of 3 holders — while 7 trimmed existing stakes and 8 added.
The largest buyer was Avidian Wealth Enterprises, adding an estimated $143K. The largest seller was Citadel Advisors, cutting an estimated $73.1K.
- 22 institutional investors held ProPhase Labs (PRPH) as of Q1 2022, down from 25 in Q4 2021.
- Funds reported $10.8M of ProPhase Labs stock for Q1 2022, down 0.52% quarter-over-quarter.
- 1 fund opened new ProPhase Labs positions in Q1 2022 and 4 closed out, a net change of -3 holders.
- The largest ProPhase Labs buyer in Q1 2022 was Avidian Wealth Enterprises, an estimated $143K added.
- The largest ProPhase Labs seller in Q1 2022 was Citadel Advisors, an estimated $73.1K sold.
Based on aggregated 13F filings for Q1 2022.