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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 $1.65M invested in ProPhase Labs in 2018 Q2 according to their latest regulatory filings, with 2 funds opening new positions, 7 increasing their positions, 2 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

250% more repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 2

30% more capital invested

Capital invested by funds: $1.27M → $1.65M (+$380K)

0.05% more ownership

Funds ownership: 0.39% → 0.44% (+0.05%)

0% more funds holding

Funds holding: 14 → 14 (0)

0% more first-time investments, than exits

New positions opened: 2 | Existing positions closed: 2

Holders
14
Holders Change
–
Holders Change %
0%
% of All Funds
0.32%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
2
Increased
7
Reduced
2
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Renaissance Technologies
Renaissance Technologies
New York
+$104K
2
Deutsche Bank
Deutsche Bank
Germany
+$66.5K
3
BlackRock
BlackRock
New York
+$48.5K
4
Wells Fargo
Wells Fargo
California
+$33.1K
5
UBS Group
UBS Group
Switzerland
+$28.5K

Top Sellers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
-$34K
2
Northern Trust
Northern Trust
Illinois
-$11K
3
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
-$66

PRPH Hedge Fund Activity: Q2 2018 in Review

14 of the 4,384 institutional investors tracked by Wall St. Rank reported a position in ProPhase Labs (PRPH) for Q2 2018, worth a combined $1.65M — up 30% from $1.27M a quarter earlier.

Fund positioning in PRPH was balanced in Q2 2018: 2 funds opened new positions, 2 closed out, 7 added to existing stakes and 2 trimmed.

The largest buyer was Renaissance Technologies, adding an estimated $104K. The largest seller was Citadel Advisors, exiting entirely with an estimated $34K sold.

  • 14 institutional investors held ProPhase Labs (PRPH) as of Q2 2018, unchanged from Q1 2018.
  • Funds reported $1.65M of ProPhase Labs stock for Q2 2018, up 30% quarter-over-quarter.
  • 2 funds opened new ProPhase Labs positions in Q2 2018 and 2 closed out, a net change of 0 holders.
  • The largest ProPhase Labs buyer in Q2 2018 was Renaissance Technologies, an estimated $104K added.
  • The largest ProPhase Labs seller in Q2 2018 was Citadel Advisors, an estimated $34K sold.

Based on aggregated 13F filings for Q2 2018.