ProPhase Labs, Inc. (PRPH) Ownership

OTC Pink: PRPHTop holders, insider trades and short interest.

PRPH ownership summary

as of October 21, 2026
Institutions
0.0%
of shares outstanding
Insiders
7.61%
of shares outstanding
Shares outstanding
15.6M
Float
15.3M
shares available to trade
Short interest
3.38%
300K shares short
Days to cover
0.11
short interest up 114.7% vs prior month
  • Institutions 0.03%
  • Insiders 7.61%
  • Other investors 92.36%

PRPH top institutional holders

14 largest
ProPhase Labs, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1CoreCap Advisors, LLC<0.01%10$0—June 30, 2026
2BlackRock Inc0.00%——−126 (−100.0%)March 31, 2026
3Jane Street Group LLC0.00%——−21,952 (−100.0%)March 31, 2026
4Wells Fargo & Co0.00%——−23 (−100.0%)March 31, 2026
5Tower Research Capital LLC0.00%——−163 (−100.0%)March 31, 2026
6HighTower Advisors, LLC0.00%——−18,839 (−100.0%)March 31, 2026
7SIMPLEX TRADING, LLC0.00%——−7,431 (−100.0%)March 31, 2026
8UBS Group AG0.00%——−3,056 (−100.0%)March 31, 2026
9Morgan Stanley - Brokerage Accounts0.00%——−919 (−100.0%)March 31, 2026
10Geode Capital Management, LLC0.00%——−16,262 (−100.0%)March 31, 2026
11StoneX Group Inc0.00%——−20,000 (−100.0%)March 31, 2026
12JPMorgan Chase & Co0.00%——−177 (−100.0%)March 31, 2026
13SBI Securities Co Ltd0.00%——−50 (−100.0%)March 31, 2026
14Bank of America Corp0.00%——−114 (−100.0%)March 31, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 14, 0 holders added 0 shares and 13 cut 89K.

PRPH top mutual fund and ETF holders

2 largest
ProPhase Labs, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Belfund SICAV Belinvest Equity A USD Acc0.03%5,000$45—July 31, 2026
2State St US Ttl Mkt Idx NL Cl A0.00%1$0+1 (0.0%)February 28, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

PRPH insider transactions

latest 1
ProPhase Labs, Inc. insider transactions
DateNameTransactionPriceSharesValue
2022-03-10Jason Michael BarrBuy$6.48750$4,860

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

PRPH shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns PRPH

Institutional investors own 0.0% of ProPhase Labs's shares and insiders 7.61%. The largest holder is CoreCap Advisors, LLC with <0.01% of the shares (10), as of June 30, 2026. Among the top 14 institutions, 0 added shares and 13 reduced their stake in the latest filings. Short interest is 3.38% of the float, or 0.11 days of average trading volume. The share count rose 468.5% since 2014.

Related: PRPH analyst forecast, PRPH key metrics. See the PRPH stock overview for the latest quote and news.

PRPH ownership FAQ

Who owns the most ProPhase Labs stock?

The largest shareholders of ProPhase Labs are CoreCap Advisors, LLC (<0.01%), BlackRock Inc (0.00%), Jane Street Group LLC (0.00%), Wells Fargo & Co (0.00%), Tower Research Capital LLC (0.00%).

What percentage of ProPhase Labs is owned by institutions?

Institutions hold 0.0% of ProPhase Labs's shares outstanding; insiders hold 7.61%.

Which funds own ProPhase Labs?

The largest fund holders of ProPhase Labs are Belfund SICAV Belinvest Equity A USD Acc (0.03%), State St US Ttl Mkt Idx NL Cl A (0.00%).

What is ProPhase Labs's short interest?

300K shares of ProPhase Labs were sold short, 3.38% of the float; at the average daily volume it would take 0.11 days to cover.

Are insiders buying or selling ProPhase Labs?

Of the latest 1 reported insider transactions in ProPhase Labs (since March 10, 2022), 1 were purchases and 0 were sales.

How many shares of ProPhase Labs are outstanding?

ProPhase Labs has 15.6M shares outstanding, of which 15.3M are in the public float.

Diagnostics & Research: ownership