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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 $2.27M invested in ProPhase Labs in 2016 Q4 according to their latest regulatory filings, with 1 funds opening new positions, 5 increasing their positions, 1 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

400% more repeat investments, than reductions

Existing positions increased: 5 | Existing positions reduced: 1

4% more capital invested

Capital invested by funds: $2.18M → $2.27M (+$89K)

0.66% more ownership

Funds ownership: 0% → 0.66% (+0.66%)

0% more funds holding

Funds holding: 13 → 13 (0)

0% more first-time investments, than exits

New positions opened: 1 | Existing positions closed: 1

Holders
13
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
1
Increased
5
Reduced
1
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
+$34.7K
2
Renaissance Technologies
Renaissance Technologies
New York
+$7.47K
3
BFA
BlackRock Fund Advisors
California
+$2.18K
4
Commonwealth Equity Services
Commonwealth Equity Services
Massachusetts
+$2.02K
5
UBS Group
UBS Group
Switzerland
+$909

Top Sellers

Rank Fund Capital Flow
1
Bank of America
Bank of America
North Carolina
-$323
2
Bank of New York Mellon
Bank of New York Mellon
New York
-$262

PRPH Hedge Fund Activity: Q4 2016 in Review

13 of the 4,007 institutional investors tracked by Wall St. Rank reported a position in ProPhase Labs (PRPH) for Q4 2016, worth a combined $2.27M — up 4.1% from $2.18M a quarter earlier.

Fund positioning in PRPH was balanced in Q4 2016: 1 fund opened new positions, 1 closed out, 5 added to existing stakes and 1 trimmed.

The largest buyer was Citadel Advisors, opening a new position worth an estimated $34.7K. The largest seller was Bank of America, exiting entirely with an estimated $323 sold.

  • 13 institutional investors held ProPhase Labs (PRPH) as of Q4 2016, unchanged from Q3 2016.
  • Funds reported $2.27M of ProPhase Labs stock for Q4 2016, up 4.1% quarter-over-quarter.
  • 1 fund opened new ProPhase Labs positions in Q4 2016 and 1 closed out, a net change of 0 holders.
  • The largest ProPhase Labs buyer in Q4 2016 was Citadel Advisors, an estimated $34.7K added.
  • The largest ProPhase Labs seller in Q4 2016 was Bank of America, an estimated $323 sold.

Based on aggregated 13F filings for Q4 2016.