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PRPH

ProPhase Labs
PRPH

Delisted

PRPH was delisted on the 2nd of January, 2026.

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14 hedge funds and large institutions have $966K invested in ProPhase Labs in 2019 Q3 according to their latest regulatory filings, with 1 funds opening new positions, 3 increasing their positions, 3 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

0% more repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 3

0.01% less ownership

Funds ownership: 0.44% → 0.44% (-0.01%)

7% less funds holding

Funds holding: 15 → 14 (-1)

12% less capital invested

Capital invested by funds: $1.1M → $966K (-$135K)

50% less first-time investments, than exits

New positions opened: 1 | Existing positions closed: 2

Holders
14
Holders Change
-1
Holders Change %
-6.67%
% of All Funds
0.31%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
1
Increased
3
Reduced
3
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$18.8K
2
Renaissance Technologies
Renaissance Technologies
New York
+$7.35K
3
Victory Capital Management
Victory Capital Management
Texas
+$3.12K
4
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$417

Top Sellers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
-$22K
2
PAM
Panagora Asset Management
Massachusetts
-$14K
3
UBS Group
UBS Group
Switzerland
-$7.03K
4
Bank of America
Bank of America
North Carolina
-$6.12K
5
BlackRock
BlackRock
New York
-$1.23K

PRPH Hedge Fund Activity: Q3 2019 in Review

14 of the 4,573 institutional investors tracked by Wall St. Rank reported a position in ProPhase Labs (PRPH) for Q3 2019, worth a combined $966K — down 12% from $1.1M a quarter earlier.

Sellers outnumbered buyers: 2 funds closed out of PRPH and 1 opened new positions — a net loss of 1 holder — while 3 trimmed existing stakes and 3 added.

The largest buyer was Susquehanna International Group, adding an estimated $18.8K. The largest seller was Jane Street, exiting entirely with an estimated $22K sold.

  • 14 institutional investors held ProPhase Labs (PRPH) as of Q3 2019, down from 15 in Q2 2019.
  • Funds reported $966K of ProPhase Labs stock for Q3 2019, down 12% quarter-over-quarter.
  • 1 fund opened new ProPhase Labs positions in Q3 2019 and 2 closed out, a net change of -1 holder.
  • The largest ProPhase Labs buyer in Q3 2019 was Susquehanna International Group, an estimated $18.8K added.
  • The largest ProPhase Labs seller in Q3 2019 was Jane Street, an estimated $22K sold.

Based on aggregated 13F filings for Q3 2019.