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ProPhase Labs, Inc.

PRPH
Exchange
OTC
Industry
Pharmaceutical Preparations
SEC CIK
0000868278

No open-market purchases or sales by ProPhase Labs, Inc. insiders were filed in the last 90 days; 2 institutions reported holding it in 13F filings for Q2 2026, worth $2 in total; no superinvestor holds it.

13F holders, Q2 2021

Institutional positions in ProPhase Labs, Inc. as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
23
−6 vs. Q1 2021
Shares held
1.60M
+308.9K (+23.8%) vs. Q1 2021
Total value
$9.95M
+$367.0K (+3.8%) vs. Q1 2021
New holders
3
10 more added
Sold out
9
9 more reduced

Compare with Q1 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PRPH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2021: 23 institutions
Q1 2021: 29 institutionsQ2 2021: 23 institutionsQ3 2021: 21 institutionsQ4 2021: 25 institutionsQ1 2022: 22 institutionsQ2 2022: 39 institutionsQ3 2022: 43 institutionsQ4 2022: 51 institutionsQ1 2023: 39 institutionsQ2 2023: 45 institutionsQ3 2023: 35 institutionsQ4 2023: 27 institutionsQ1 2024: 32 institutionsQ2 2024: 29 institutionsQ3 2024: 27 institutionsQ4 2024: 30 institutionsQ1 2025: 37 institutionsQ2 2025: 33 institutionsQ3 2025: 29 institutionsQ4 2025: 17 institutionsQ1 2026: 2 institutionsQ2 2026: 2 institutions
Value heldQ2 2021: $9.95M
Q1 2021: $9.58MQ2 2021: $9.95MQ3 2021: $8.56MQ4 2021: $10.8MQ1 2022: $10.8MQ2 2022: $24.9MQ3 2022: $30.3MQ4 2022: $26.7MQ1 2023: $18.6MQ2 2023: $15.8MQ3 2023: $8.56MQ4 2023: $7.65MQ1 2024: $11.0MQ2 2024: $7.27MQ3 2024: $4.24MQ4 2024: $1.91MQ1 2025: $2.02MQ2 2025: $1.05MQ3 2025: $1.37MQ4 2025: $92.9KQ1 2026: $2Q2 2026: $2
Institutions holding PRPH and their total value by quarter
QuarterHoldersValue
Q2 20262$2
Q1 20262$2
Q4 202517$92.9K
Q3 202529$1.37M
Q2 202533$1.05M
Q1 202537$2.02M
Q4 202430$1.91M
Q3 202427$4.24M
Q2 202429$7.27M
Q1 202432$11.0M
Q4 202327$7.65M
Q3 202335$8.56M
Q2 202345$15.8M
Q1 202339$18.6M
Q4 202251$26.7M
Q3 202243$30.3M
Q2 202239$24.9M
Q1 202222$10.8M
Q4 202125$10.8M
Q3 202121$8.56M
Q2 202123$9.95M
Q1 202129$9.58M

Institutions, Q2 2021

Shares, value and share of portfolio for each institution holding ProPhase Labs, Inc.; share changes are against Q1 2021.

Institutions holding PRPH in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc466,338$2.89M0.00%+337,232+261.2%Added
Renaissance Technologies LLC287,320$1.78M0.00%−3,290−1.1%Reduced
Perritt Capital Management Inc177,900$1.10M0.58%+132,735+293.9%Added
Kamunting Street Capital Management, L.P.123,193$764.0K0.42%+25,400+26.0%Added
Geode Capital Management, LLC102,705$636.0K0.00%+21,622+26.7%Added
Bank of New York Mellon Corp91,090$564.0K0.00%00.0%Unchanged
Susquehanna International Group, LLP69,282$430.0K0.00%+36,051+108.5%Added
Avidian Wealth Solutions, LLC54,963$341.0K0.03%+44,494+425.0%Added
Millennium Management LLC46,575$289.0K0.00%+29,008+165.1%Added
Bank of America Corp28,600$177.0K0.00%+28,600New
BlackRock Inc.25,131$156.0K0.00%+24,240+2,720.5%Added
Acadian Asset Management LLC21,123$131.0K0.00%−40,093−65.5%Reduced
Northern Trust Corp19,850$123.0K0.00%−14,939−42.9%Reduced
Dimensional Fund Advisors LP19,530$121.0K0.00%−31,590−61.8%Reduced
Commonwealth Equity Services, LLC18,866$116.0K0.00%+930+5.2%Added
Citadel Advisors LLC15,863$98.0K0.00%−6,009−27.5%Reduced
State Street Corp13,795$86.0K0.00%+13,795New
UBS Group AG9,040$56.0K0.00%+8,864+5,036.4%Added
Morgan Stanley8,829$55.0K0.00%−1,763−16.6%Reduced
Tower Research Capital LLC (TRC)1,471$9.00K0.00%−907−38.1%Reduced
Wells Fargo & Company1,610$9.00K0.00%−1−0.1%Reduced
Captrust Financial Advisors1,000$6.00K0.00%−1,500−60.0%Reduced
Advisory Services Network, LLC600$4.00K0.00%+600New
Wedge Capital Management L L P0$00.00%−119,013−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−59,400−100.0%Sold out
Marshall Wace, LLP0$00.00%−50,750−100.0%Sold out
Zeke Capital Advisors, LLC0$00.00%−35,000−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−13,373−100.0%Sold out
Trexquant Investment LP0$00.00%−12,026−100.0%Sold out
Simplex Trading, LLC0$00.00%−4,497−100.0%Sold out
Barclays PLC0$00.00%−497−100.0%Sold out
JPMorgan Chase & Co0$00.00%−2−100.0%Sold out