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ProPhase Labs
PRPH

Overview Fund Activity

37 hedge funds and large institutions have $2.02M invested in ProPhase Labs in 2025 Q1 according to their latest regulatory filings, with 12 funds opening new positions, 8 increasing their positions, 8 reducing their positions, and 5 closing their positions.

Holders
37
Holders Change
+7
Holders Change %
+23.33%
% of All Funds
0.5%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
12
Increased
8
Reduced
8
Closed
5
Calls
–
Puts
$1K
Net Calls
-$1K
Net Calls Change
-$1K

Top Buyers

1
WC
1
Wexford Capital
Florida
$617K
2
FCM
2
FourWorld Capital Management
New York
$152K
3
QOP
3
Quinn Opportunity Partners
Virginia
$129K
4
CFG
4
Citizens Financial Group
Rhode Island
$109K
5
JAIC
5
Josh Arnold Investment Consultant
Minnesota
$100K

Top Sellers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$165K
2
WAM
2
Warberg Asset Management
Illinois
$0
3
Squarepoint
3
Squarepoint
New York
$0
4
PCM
4
Perritt Capital Management
Illinois
$60.6K
5
EGM
5
Engineers Gate Manager
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
WC
1
Wexford Capital
Florida
$617K 1,525,611 +1,525,611 New
Vanguard Group
2
Vanguard Group
Pennsylvania
$165K 408,267 -246,765 -38%
FCM
3
FourWorld Capital Management
New York
$152K 376,577 +376,577 New
QOP
4
Quinn Opportunity Partners
Virginia
$129K 318,127 +318,127 New
Renaissance Technologies
5
Renaissance Technologies
New York
$121K 299,810 +13,325 +5%
CFG
6
Citizens Financial Group
Rhode Island
$109K 270,400 +270,400 New
JAIC
7
Josh Arnold Investment Consultant
Minnesota
$100K 250,000 +250,000 New
HighTower Advisors
8
HighTower Advisors
Illinois
$92.8K 229,454 -7,327 -3%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$92.1K 227,694 +24,166 +12%
SSWM
10
Sheets Smith Wealth Management
North Carolina
$84.2K 208,300 – –
PCM
11
Perritt Capital Management
Illinois
$60.6K 150,000 -40,000 -21%
Cerity Partners
12
Cerity Partners
New York
$38.1K 94,113 +94,113 New
CD
13
Chapin Davis
Maryland
$32.3K 80,000 +30,000 +60%
Susquehanna International Group
14
Susquehanna International Group
Pennsylvania
$29.9K 74,012 +27,061 +58%
BlackRock
15
BlackRock
New York
$27.8K 68,859 -783 -1%
Jane Street
16
Jane Street
New York
$19.6K 48,388 +48,388 New
SW
17
SVB Wealth
Massachusetts
$19.3K 47,665 – –
State Street
18
State Street
Massachusetts
$18.1K 44,663 – –
Bank of New York Mellon
19
Bank of New York Mellon
New York
$15K 37,052 -1 -0%
UCMOK
20
United Capital Management of KS
Kansas
$14K 34,700 – –
TSS
21
Two Sigma Securities
New York
$13.9K 34,385 +17,942 +109%
VPIM
22
Vanguard Personalized Indexing Management
California
$13.1K 32,418 +32,418 New
Bank of America
23
Bank of America
North Carolina
$10.9K 27,055 -9,664 -26%
Northern Trust
24
Northern Trust
Illinois
$9.39K 23,214 -13,511 -37%
T. Rowe Price Associates
25
T. Rowe Price Associates
Maryland
$7K 17,300 – –
1
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