ProPhase Labs
PRPH
PRPH was delisted on the 2nd of January, 2026.
29 hedge funds and large institutions have $7.27M invested in ProPhase Labs in 2024 Q2 according to their latest regulatory filings, with 3 funds opening new positions, 8 increasing their positions, 7 reducing their positions, and 6 closing their positions.
14% more repeat investments, than reductions
Existing positions increased: 8 | Existing positions reduced: 7
0.03% less ownership
Funds ownership: 0.94% → 0.91% (-0.03%)
9% less funds holding
Funds holding: 32 → 29 (-3)
34% less capital invested
Capital invested by funds: $11M → $7.27M (-$3.71M)
50% less first-time investments, than exits
New positions opened: 3 | Existing positions closed: 6
93% less call options, than puts
Call options by funds: $3K | Put options by funds: $40K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$195K |
| 2 |
RWP
RWA Wealth Partners
Newton,
Massachusetts
|
+$115K |
| 3 |
Barclays
London,
United Kingdom
|
+$61.7K |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
+$45.8K |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$41K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
-$154K |
| 2 |
Renaissance Technologies
New York
|
-$74.9K |
| 3 |
TRCT
Tower Research Capital (TRC)
New York
|
-$68.4K |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$21.5K |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$15.6K |
PRPH Hedge Fund Activity: Q2 2024 in Review
29 of the 6,934 institutional investors tracked by Wall St. Rank reported a position in ProPhase Labs (PRPH) for Q2 2024, worth a combined $7.27M — down 34% from $11M a quarter earlier.
Sellers outnumbered buyers: 6 funds closed out of PRPH and 3 opened new positions — a net loss of 3 holders — while 7 trimmed existing stakes and 8 added.
The largest buyer was Vanguard Group, adding an estimated $195K. The largest seller was Goldman Sachs, exiting entirely with an estimated $154K sold.
- 29 institutional investors held ProPhase Labs (PRPH) as of Q2 2024, down from 32 in Q1 2024.
- Funds reported $7.27M of ProPhase Labs stock for Q2 2024, down 34% quarter-over-quarter.
- 3 funds opened new ProPhase Labs positions in Q2 2024 and 6 closed out, a net change of -3 holders.
- The largest ProPhase Labs buyer in Q2 2024 was Vanguard Group, an estimated $195K added.
- The largest ProPhase Labs seller in Q2 2024 was Goldman Sachs, an estimated $154K sold.
Based on aggregated 13F filings for Q2 2024.