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PRPH

ProPhase Labs
PRPH

Delisted

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

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13 hedge funds and large institutions have $2.98M invested in ProPhase Labs in 2015 Q3 according to their latest regulatory filings, with 1 funds opening new positions, 3 increasing their positions, 4 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

21% more capital invested

Capital invested by funds: $2.47M → $2.98M (+$518K)

0% more funds holding

Funds holding: 13 → 13 (0)

0% more first-time investments, than exits

New positions opened: 1 | Existing positions closed: 1

25% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 4

Holders
13
Holders Change
–
Holders Change %
0%
% of All Funds
0.36%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
1
Increased
3
Reduced
4
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Renaissance Technologies
Renaissance Technologies
New York
+$38.7K
2
Northern Trust
Northern Trust
Illinois
+$20.8K
3
TRCT
Tower Research Capital (TRC)
New York
+$8.83K
4
UBS Group
UBS Group
Switzerland
+$1.16K

Top Sellers

Rank Fund Capital Flow
1
Bank of New York Mellon
Bank of New York Mellon
New York
-$6K
2
Commonwealth Equity Services
Commonwealth Equity Services
Massachusetts
-$4.21K
3
Goldman Sachs
Goldman Sachs
New York
-$570
4
Morgan Stanley
Morgan Stanley
New York
-$45

PRPH Hedge Fund Activity: Q3 2015 in Review

13 of the 3,589 institutional investors tracked by Wall St. Rank reported a position in ProPhase Labs (PRPH) for Q3 2015, worth a combined $2.98M — up 21% from $2.47M a quarter earlier.

Fund positioning in PRPH was balanced in Q3 2015: 1 fund opened new positions, 1 closed out, 3 added to existing stakes and 4 trimmed.

The largest buyer was Renaissance Technologies, adding an estimated $38.7K. The largest seller was Bank of New York Mellon, cutting an estimated $6K.

  • 13 institutional investors held ProPhase Labs (PRPH) as of Q3 2015, unchanged from Q2 2015.
  • Funds reported $2.98M of ProPhase Labs stock for Q3 2015, up 21% quarter-over-quarter.
  • 1 fund opened new ProPhase Labs positions in Q3 2015 and 1 closed out, a net change of 0 holders.
  • The largest ProPhase Labs buyer in Q3 2015 was Renaissance Technologies, an estimated $38.7K added.
  • The largest ProPhase Labs seller in Q3 2015 was Bank of New York Mellon, an estimated $6K sold.

Based on aggregated 13F filings for Q3 2015.