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PRPH

ProPhase Labs
PRPH

Delisted

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

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16 hedge funds and large institutions have $2.35M invested in ProPhase Labs in 2017 Q3 according to their latest regulatory filings, with 1 funds opening new positions, 6 increasing their positions, 2 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more repeat investments, than reductions

Existing positions increased: 6 | Existing positions reduced: 2

0.02% less ownership

Funds ownership: 0.7% → 0.68% (-0.02%)

7% less capital invested

Capital invested by funds: $2.52M → $2.35M (-$169K)

20% less funds holding

Funds holding: 20 → 16 (-4)

80% less first-time investments, than exits

New positions opened: 1 | Existing positions closed: 5

Holders
16
Holders Change
-4
Holders Change %
-20%
% of All Funds
0.4%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
1
Increased
6
Reduced
2
Closed
5
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Renaissance Technologies
Renaissance Technologies
New York
+$47.5K
2
Vanguard Group
Vanguard Group
Pennsylvania
+$26.9K
3
Deutsche Bank
Deutsche Bank
Germany
+$25.7K
4
UBS Group
UBS Group
Switzerland
+$23.6K
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$13K

Top Sellers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
-$102K
2
Goldman Sachs
Goldman Sachs
New York
-$84K
3
PAM
Panagora Asset Management
Massachusetts
-$63K
4
Millennium Management
Millennium Management
New York
-$54K
5
PNC Financial Services Group
PNC Financial Services Group
Pennsylvania
-$31.4K

PRPH Hedge Fund Activity: Q3 2017 in Review

16 of the 4,021 institutional investors tracked by Wall St. Rank reported a position in ProPhase Labs (PRPH) for Q3 2017, worth a combined $2.35M — down 6.7% from $2.52M a quarter earlier.

Sellers outnumbered buyers: 5 funds closed out of PRPH and 1 opened new positions — a net loss of 4 holders — while 2 trimmed existing stakes and 6 added.

The largest buyer was Renaissance Technologies, adding an estimated $47.5K. The largest seller was BlackRock, cutting an estimated $102K.

  • 16 institutional investors held ProPhase Labs (PRPH) as of Q3 2017, down from 20 in Q2 2017.
  • Funds reported $2.35M of ProPhase Labs stock for Q3 2017, down 6.7% quarter-over-quarter.
  • 1 fund opened new ProPhase Labs positions in Q3 2017 and 5 closed out, a net change of -4 holders.
  • The largest ProPhase Labs buyer in Q3 2017 was Renaissance Technologies, an estimated $47.5K added.
  • The largest ProPhase Labs seller in Q3 2017 was BlackRock, an estimated $102K sold.

Based on aggregated 13F filings for Q3 2017.