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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 $2.35M invested in ProPhase Labs in 2014 Q1 according to their latest regulatory filings, with 3 funds opening new positions, 1 increasing their positions, 4 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

25% more capital invested

Capital invested by funds: $1.88M → $2.35M (+$468K)

7% less funds holding

Funds holding: 14 → 13 (-1)

25% less first-time investments, than exits

New positions opened: 3 | Existing positions closed: 4

75% less repeat investments, than reductions

Existing positions increased: 1 | Existing positions reduced: 4

Holders
13
Holders Change
-1
Holders Change %
-7.14%
% of All Funds
0.37%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
3
Increased
1
Reduced
4
Closed
4
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Vanguard Group
Vanguard Group
Pennsylvania
+$74.8K
2
Northern Trust
Northern Trust
Illinois
+$22K
3
Deutsche Bank
Deutsche Bank
Germany
+$531
4
Morgan Stanley
Morgan Stanley
New York
+$57

Top Sellers

Rank Fund Capital Flow
1
Renaissance Technologies
Renaissance Technologies
New York
-$29.1K
2
Citadel Advisors
Citadel Advisors
Florida
-$20K
3
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance)
Ontario, Canada
-$6K
4
Bank of New York Mellon
Bank of New York Mellon
New York
-$4.23K
5
U
UBS
Switzerland
-$3.02K

PRPH Hedge Fund Activity: Q1 2014 in Review

13 of the 3,474 institutional investors tracked by Wall St. Rank reported a position in ProPhase Labs (PRPH) for Q1 2014, worth a combined $2.35M — up 25% from $1.88M a quarter earlier.

Sellers outnumbered buyers: 4 funds closed out of PRPH and 3 opened new positions — a net loss of 1 holder — while 4 trimmed existing stakes and 1 added.

The largest buyer was Vanguard Group, adding an estimated $74.8K. The largest seller was Renaissance Technologies, cutting an estimated $29.1K.

  • 13 institutional investors held ProPhase Labs (PRPH) as of Q1 2014, down from 14 in Q4 2013.
  • Funds reported $2.35M of ProPhase Labs stock for Q1 2014, up 25% quarter-over-quarter.
  • 3 funds opened new ProPhase Labs positions in Q1 2014 and 4 closed out, a net change of -1 holder.
  • The largest ProPhase Labs buyer in Q1 2014 was Vanguard Group, an estimated $74.8K added.
  • The largest ProPhase Labs seller in Q1 2014 was Renaissance Technologies, an estimated $29.1K sold.

Based on aggregated 13F filings for Q1 2014.