Prophase LabsPRPH

13F holders, Q4 2025 (December 31)
17holders
$0.45avg. 13F price*

At the end of Q4 2025, 17 institutions reported holding Prophase Labs Inc. (PRPH) in their 13F filings. The largest holders were Sykon Capital LLC ($29K), Vanguard Group Inc. ($24K) and Jane Street Group, LLC ($10K).

Company
Prophase Labs Inc.
CUSIP
74345W207
Latest filing quarter
Q2 2026

History

Number of 13F holders

05101520 Q4 2025: 17Q4 2025Q1 2026: 2Q1 2026Q2 2026: 2Q2 2026

Total Exit/New Position Q4 2025

InstitutionsTotal Value
New Positions3$19K
Exits0$0

Ownership 17 holders

Sykon Capital LLC 0.01% No change 64,478 $29K
Vanguard Group Inc. 0.00% No change 53,192 $24K
Jane Street Group, LLC 0.00% New 21,952 $10K
StoneX Group Inc. 0.00% New 20,000 $9K
HighTower Advisors, LLC 0.00% Reduce -20.6% 18,839 $8K
Geode Capital Management, LLC 0.00% Reduce -46.3% 16,262 $7K
Simplex Trading, LLC 0.00% Add +83.0% 7,431 $3K
UBS Group AG 0.00% Add +54.8% 3,056 $1K
Morgan Stanley 0.00% Add +0.3% 919 $411
CoreCap Advisors, LLC 0.00% Add +7100.0% 720 $322
JPMorgan Chase & Co. 0.00% Add +0.3% 177 $79
Tower Research Capital LLC (TRC) 0.00% New 163 $73
BlackRock, Inc. 0.00% Reduce -95.5% 126 $56
Bank of America Corp. 0.00% Add +2.0% 114 $51
SBI Securities Co., Ltd. 0.00% Reduce -0.8% 50 $22
Wells Fargo & Company 0.00% Reduce -85.0% 23 $10
Farther Finance Advisors, LLC 0.00% Reduce -7.2% 9 $4

"% of holder's portfolio" is PRPH's weight in each manager's 13F, not the share of Prophase Labs Inc. the manager owns.