ProPhase Labs
PRPH
PRPH was delisted on the 2nd of January, 2026.
13 hedge funds and large institutions have $989K invested in ProPhase Labs in 2019 Q4 according to their latest regulatory filings, with 1 funds opening new positions, 3 increasing their positions, 2 reducing their positions, and 2 closing their positions.
50% more repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 2
2% more capital invested
Capital invested by funds: $966K → $989K (+$23K)
0% less ownership
Funds ownership: 0.44% → 0.44% (-0%)
7% less funds holding
Funds holding: 14 → 13 (-1)
50% less first-time investments, than exits
New positions opened: 1 | Existing positions closed: 2
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Commonwealth Equity Services
Waltham,
Massachusetts
|
+$3.25K |
| 2 |
Renaissance Technologies
New York
|
+$1.96K |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$254 |
| 4 |
TRCT
Tower Research Capital (TRC)
New York
|
+$235 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$4.7K |
| 2 |
Victory Capital Management
San Antonio,
Texas
|
-$3K |
| 3 |
Bank of America
Charlotte,
North Carolina
|
-$98 |
| 4 |
Northern Trust
Chicago,
Illinois
|
-$20 |
PRPH Hedge Fund Activity: Q4 2019 in Review
13 of the 5,092 institutional investors tracked by Wall St. Rank reported a position in ProPhase Labs (PRPH) for Q4 2019, worth a combined $989K — up 2.4% from $966K a quarter earlier.
Sellers outnumbered buyers: 2 funds closed out of PRPH and 1 opened new positions — a net loss of 1 holder — while 2 trimmed existing stakes and 3 added.
The largest buyer was Commonwealth Equity Services, adding an estimated $3.25K. The largest seller was Susquehanna International Group, cutting an estimated $4.7K.
- 13 institutional investors held ProPhase Labs (PRPH) as of Q4 2019, down from 14 in Q3 2019.
- Funds reported $989K of ProPhase Labs stock for Q4 2019, up 2.4% quarter-over-quarter.
- 1 fund opened new ProPhase Labs positions in Q4 2019 and 2 closed out, a net change of -1 holder.
- The largest ProPhase Labs buyer in Q4 2019 was Commonwealth Equity Services, an estimated $3.25K added.
- The largest ProPhase Labs seller in Q4 2019 was Susquehanna International Group, an estimated $4.7K sold.
Based on aggregated 13F filings for Q4 2019.