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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 $1.88M invested in ProPhase Labs in 2013 Q4 according to their latest regulatory filings, with 4 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

300% more first-time investments, than exits

New positions opened: 4 | Existing positions closed: 1

27% more funds holding

Funds holding: 11 → 14 (+3)

0% more repeat investments, than reductions

Existing positions increased: 2 | Existing positions reduced: 2

13% less capital invested

Capital invested by funds: $2.16M → $1.88M (-$283K)

Holders
14
Holders Change
+3
Holders Change %
+27.27%
% of All Funds
0.4%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
4
Increased
2
Reduced
2
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
+$21.8K
2
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance)
Ontario, Canada
+$6.55K
3
TRCT
Tower Research Capital (TRC)
New York
+$576
4
U
UBS
Switzerland
+$270
5
GT
Glenmede Trust
Pennsylvania
+$180

Top Sellers

Rank Fund Capital Flow
1
Commonwealth Equity Services
Commonwealth Equity Services
Massachusetts
-$10.8K
2
Renaissance Technologies
Renaissance Technologies
New York
-$7.74K
3
Citigroup
Citigroup
New York
-$1K

PRPH Hedge Fund Activity: Q4 2013 in Review

14 of the 3,459 institutional investors tracked by Wall St. Rank reported a position in ProPhase Labs (PRPH) for Q4 2013, worth a combined $1.88M — down 13% from $2.16M a quarter earlier.

Buyers outnumbered sellers: 4 funds opened new PRPH positions and 1 closed out — a net gain of 3 holders — while 2 added to existing stakes and 2 trimmed.

The largest buyer was Citadel Advisors, opening a new position worth an estimated $21.8K. The largest seller was Commonwealth Equity Services, cutting an estimated $10.8K.

  • 14 institutional investors held ProPhase Labs (PRPH) as of Q4 2013, up from 11 in Q3 2013.
  • Funds reported $1.88M of ProPhase Labs stock for Q4 2013, down 13% quarter-over-quarter.
  • 4 funds opened new ProPhase Labs positions in Q4 2013 and 1 closed out, a net change of +3 holders.
  • The largest ProPhase Labs buyer in Q4 2013 was Citadel Advisors, an estimated $21.8K added.
  • The largest ProPhase Labs seller in Q4 2013 was Commonwealth Equity Services, an estimated $10.8K sold.

Based on aggregated 13F filings for Q4 2013.