ProPhase Labs
PRPH
PRPH was delisted on the 2nd of January, 2026.
32 hedge funds and large institutions have $11M invested in ProPhase Labs in 2024 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 4 increasing their positions, 13 reducing their positions, and 1 closing their positions.
500% more first-time investments, than exits
New positions opened: 6 | Existing positions closed: 1
70% more call options, than puts
Call options by funds: $17K | Put options by funds: $10K
44% more capital invested
Capital invested by funds: $7.63M → $11M (+$3.34M)
19% more funds holding
Funds holding: 27 → 32 (+5)
0.01% more ownership
Funds ownership: 0.94% → 0.94% (+0.01%)
69% less repeat investments, than reductions
Existing positions increased: 4 | Existing positions reduced: 13
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$277K |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
+$47.7K |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$34.3K |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$16.8K |
| 5 |
JPWM
Jamison Private Wealth Management
Milton,
Georgia
|
+$15.2K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HighTower Advisors
Chicago,
Illinois
|
-$98.6K |
| 2 |
Goldman Sachs
New York
|
-$69.4K |
| 3 |
Renaissance Technologies
New York
|
-$55.2K |
| 4 |
Bank of New York Mellon
New York
|
-$27.8K |
| 5 |
TRCT
Tower Research Capital (TRC)
New York
|
-$22.5K |
PRPH Hedge Fund Activity: Q1 2024 in Review
32 of the 6,957 institutional investors tracked by Wall St. Rank reported a position in ProPhase Labs (PRPH) for Q1 2024, worth a combined $11M — up 44% from $7.63M a quarter earlier.
Buyers outnumbered sellers: 6 funds opened new PRPH positions and 1 closed out — a net gain of 5 holders — while 4 added to existing stakes and 13 trimmed.
The largest buyer was Susquehanna International Group, opening a new position worth an estimated $277K. The largest seller was HighTower Advisors, cutting an estimated $98.6K.
- 32 institutional investors held ProPhase Labs (PRPH) as of Q1 2024, up from 27 in Q4 2023.
- Funds reported $11M of ProPhase Labs stock for Q1 2024, up 44% quarter-over-quarter.
- 6 funds opened new ProPhase Labs positions in Q1 2024 and 1 closed out, a net change of +5 holders.
- The largest ProPhase Labs buyer in Q1 2024 was Susquehanna International Group, an estimated $277K added.
- The largest ProPhase Labs seller in Q1 2024 was HighTower Advisors, an estimated $98.6K sold.
Based on aggregated 13F filings for Q1 2024.