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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 $1.59M invested in ProPhase Labs in 2016 Q1 according to their latest regulatory filings, with 0 funds opening new positions, 3 increasing their positions, 5 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

13% less funds holding

Funds holding: 16 → 14 (-2)

40% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 5

44% less capital invested

Capital invested by funds: $2.82M → $1.59M (-$1.23M)

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 2

Holders
14
Holders Change
-2
Holders Change %
-12.5%
% of All Funds
0.37%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
–
Increased
3
Reduced
5
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Renaissance Technologies
Renaissance Technologies
New York
+$4.01K
2
Vanguard Group
Vanguard Group
Pennsylvania
+$939
3
BFA
BlackRock Fund Advisors
California
+$764

Top Sellers

Rank Fund Capital Flow
1
Morgan Stanley
Morgan Stanley
New York
-$854K
2
Goldman Sachs
Goldman Sachs
New York
-$14.6K
3
UBS Group
UBS Group
Switzerland
-$8.41K
4
TRCT
Tower Research Capital (TRC)
New York
-$1.3K
5
JP Morgan Chase
JP Morgan Chase
New York
-$1K

PRPH Hedge Fund Activity: Q1 2016 in Review

14 of the 3,766 institutional investors tracked by Wall St. Rank reported a position in ProPhase Labs (PRPH) for Q1 2016, worth a combined $1.59M — down 44% from $2.82M a quarter earlier.

Sellers outnumbered buyers: 2 funds closed out of PRPH and 0 opened new positions — a net loss of 2 holders — while 5 trimmed existing stakes and 3 added.

The largest buyer was Renaissance Technologies, adding an estimated $4.01K. The largest seller was Morgan Stanley, cutting an estimated $854K.

  • 14 institutional investors held ProPhase Labs (PRPH) as of Q1 2016, down from 16 in Q4 2015.
  • Funds reported $1.59M of ProPhase Labs stock for Q1 2016, down 44% quarter-over-quarter.
  • 0 funds opened new ProPhase Labs positions in Q1 2016 and 2 closed out, a net change of -2 holders.
  • The largest ProPhase Labs buyer in Q1 2016 was Renaissance Technologies, an estimated $4.01K added.
  • The largest ProPhase Labs seller in Q1 2016 was Morgan Stanley, an estimated $854K sold.

Based on aggregated 13F filings for Q1 2016.