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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, Q1 2021

Institutional positions in ProPhase Labs, Inc. as of Mar 31, 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
29
No complete 13F data for Q4 2020
Shares held
1.30M
No complete 13F data for Q4 2020
Total value
$9.58M
No complete 13F data for Q4 2020

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 holdersQ1 2021: 29 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 heldQ1 2021: $9.58M
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: $7.63MQ1 2024: $11.0MQ2 2024: $7.27MQ3 2024: $4.23MQ4 2024: $1.91MQ1 2025: $2.02MQ2 2025: $1.05MQ3 2025: $1.36MQ4 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$1.36M
Q2 202533$1.05M
Q1 202537$2.02M
Q4 202430$1.91M
Q3 202427$4.23M
Q2 202429$7.27M
Q1 202432$11.0M
Q4 202327$7.63M
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, Q1 2021

Shares, value and share of portfolio for each institution holding ProPhase Labs, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding PRPH in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Renaissance Technologies LLC290,610$2.15M0.00%––
Vanguard Group Inc129,106$955.0K0.00%––
Wedge Capital Management L L P119,013$880.0K0.01%––
Kamunting Street Capital Management, L.P.97,793$723.0K0.41%––
Bank of New York Mellon Corp91,090$674.0K0.00%––
Geode Capital Management, LLC81,083$599.0K0.00%––
Acadian Asset Management LLC61,216$452.0K0.00%––
FNY Investment Advisers, LLC59,400$439.0K0.16%––
Dimensional Fund Advisors LP51,120$378.0K0.00%––
Marshall Wace, LLP50,750$375.0K0.00%––
Perritt Capital Management Inc45,165$334.0K0.18%––
Zeke Capital Advisors, LLC35,000$259.0K0.02%––
Northern Trust Corp34,789$257.0K0.00%––
Susquehanna International Group, LLP33,231$246.0K0.00%––
Citadel Advisors LLC21,872$162.0K0.00%––
Commonwealth Equity Services, LLC17,936$132.0K0.00%––
Millennium Management LLC17,567$130.0K0.00%––
Goldman Sachs Group Inc13,373$99.0K0.00%––
Trexquant Investment LP12,026$89.0K0.01%––
Morgan Stanley10,592$78.0K0.00%––
Avidian Wealth Solutions, LLC10,469$77.0K0.01%––
Simplex Trading, LLC4,497$33.0K0.00%––
Captrust Financial Advisors2,500$18.0K0.00%––
Tower Research Capital LLC (TRC)2,378$17.0K0.00%––
Wells Fargo & Company1,611$12.0K0.00%––
BlackRock Inc.891$7.00K0.00%––
Barclays PLC497$4.00K0.00%––
UBS Group AG176$1.00K0.00%––
JPMorgan Chase & Co2$00.00%––