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PRPH

ProPhase Labs
PRPH

Delisted

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

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15 hedge funds and large institutions have $4.37M invested in ProPhase Labs in 2020 Q4 according to their latest regulatory filings, with 5 funds opening new positions, 6 increasing their positions, 2 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more repeat investments, than reductions

Existing positions increased: 6 | Existing positions reduced: 2

170% more capital invested

Capital invested by funds: $1.62M → $4.37M (+$2.75M)

67% more first-time investments, than exits

New positions opened: 5 | Existing positions closed: 3

15% more funds holding

Funds holding: 13 → 15 (+2)

0.01% more ownership

Funds ownership: 0.4% → 0.41% (+0.01%)

Holders
15
Holders Change
+2
Holders Change %
+15.38%
% of All Funds
0.26%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
5
Increased
6
Reduced
2
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Renaissance Technologies
Renaissance Technologies
New York
+$465K
2
Geode Capital Management
Geode Capital Management
Massachusetts
+$223K
3
Vanguard Group
Vanguard Group
Pennsylvania
+$177K
4
Capstone Investment Advisors
Capstone Investment Advisors
New York
+$100K
5
Northern Trust
Northern Trust
Illinois
+$49.2K

Top Sellers

Rank Fund Capital Flow
1
Bank of New York Mellon
Bank of New York Mellon
New York
-$771K
2
PNC Financial Services Group
PNC Financial Services Group
Pennsylvania
-$88K
3
UBS Group
UBS Group
Switzerland
-$33.4K

PRPH Hedge Fund Activity: Q4 2020 in Review

15 of the 5,675 institutional investors tracked by Wall St. Rank reported a position in ProPhase Labs (PRPH) for Q4 2020, worth a combined $4.37M — up 170% from $1.62M a quarter earlier.

Buyers outnumbered sellers: 5 funds opened new PRPH positions and 3 closed out — a net gain of 2 holders — while 6 added to existing stakes and 2 trimmed.

The largest buyer was Renaissance Technologies, adding an estimated $465K. The largest seller was Bank of New York Mellon, cutting an estimated $771K.

  • 15 institutional investors held ProPhase Labs (PRPH) as of Q4 2020, up from 13 in Q3 2020.
  • Funds reported $4.37M of ProPhase Labs stock for Q4 2020, up 170% quarter-over-quarter.
  • 5 funds opened new ProPhase Labs positions in Q4 2020 and 3 closed out, a net change of +2 holders.
  • The largest ProPhase Labs buyer in Q4 2020 was Renaissance Technologies, an estimated $465K added.
  • The largest ProPhase Labs seller in Q4 2020 was Bank of New York Mellon, an estimated $771K sold.

Based on aggregated 13F filings for Q4 2020.