CorMedix Inc. (CRMD) Ownership

NASDAQ: CRMDTop holders, insider trades and short interest.

CRMD ownership summary

as of October 18, 2026
Institutions
58.0%
of shares outstanding
Insiders
7.61%
of shares outstanding
Shares outstanding
77.9M
Float
65.9M
shares available to trade
Short interest
20.05%
15.4M shares short
Days to cover
17.97
short interest down 4.8% vs prior month
  • Institutions 57.95%
  • Insiders 7.61%
  • Other investors 34.44%

CRMD top institutional holders

20 largest
CorMedix Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc8.11%6.3M$45.9M+356,536 (+6.0%)June 30, 2026
2Deep Track Capital, LP8.05%6.3M$45.5M—June 30, 2026
3Vanguard Capital Management, LLC4.02%3.1M$22.8M+5,419 (+0.2%)June 30, 2026
4State Street Corp2.97%2.3M$16.8M+125,002 (+5.7%)June 30, 2026
5Royce & Associates, LP2.79%2.2M$15.8M+288,830 (+15.3%)June 30, 2026
6Geode Capital Management, LLC2.50%1.9M$14.1M+130,107 (+7.2%)June 30, 2026
7UBS Group AG2.41%1.9M$13.6M+339,695 (+22.1%)June 30, 2026
8Oberweis Asset Management Inc1.70%1.3M$9.6M+112,800 (+9.3%)June 30, 2026
9Alyeska Investment Group, L.P.1.09%850K$6.2M—June 30, 2026
10Marshall Wace Asset Management Ltd1.00%780K$5.7M+276,570 (+55.0%)June 30, 2026
11Northern Trust Corp0.97%756K$5.5M+118,747 (+18.6%)June 30, 2026
12Vanguard Portfolio Management, LLC0.91%709K$5.1M−33,967 (−4.6%)June 30, 2026
13Pacer Advisors, INC.0.81%634K$4.6M+53,358 (+9.2%)June 30, 2026
14HRT FINANCIAL LLC0.80%626K$4.5M+333,113 (+113.9%)June 30, 2026
15Trexquant Investment LP0.80%624K$4.5M+63,160 (+11.3%)June 30, 2026
16Charles Schwab Investment Management Inc0.79%618K$4.5M+15,206 (+2.5%)June 30, 2026
17Armistice Capital, LLC0.64%500K$3.6M+500,000 (0.0%)June 30, 2026
18Vanguard Fiduciary Trust Co0.62%484K$3.5M−21,357 (−4.2%)June 30, 2026
19The Goldman Sachs Group Inc0.60%466K$3.4M−44,936 (−8.8%)June 30, 2026
20Hennion & Walsh Asset Management Inc0.56%439K$3.2M+263,618 (+150.6%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 3.0M shares and 3 cut 100K.

CRMD top mutual fund and ETF holders

20 largest
CorMedix Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest2.86%2.2M$16.2M—August 31, 2026
2Avantis US Small Cap Value ETF2.75%2.1M$15.6M+16,584 (+0.8%)September 30, 2026
3iShares Russell 2000 ETF2.50%1.9M$14.1M−22,464 (−1.1%)September 30, 2026
4Oberweis Micro-Cap1.64%1.3M$9.3M+114,800 (+9.9%)June 30, 2026
5State Street® SPDR® S&P® PhrmctlsETF1.10%854K$6.2M−10,618 (−1.2%)September 30, 2026
6Fidelity Small Cap Index1.05%817K$5.9M+7,041 (+0.9%)July 31, 2026
7iShares Russell 2000 Value ETF0.88%688K$5.0M+1,044 (+0.2%)September 30, 2026
8Pacer US Small Cap Cash Cows 100 ETF0.86%674K$4.9M+1,515 (+0.2%)September 30, 2026
9FTGF RY US SmCp Opp A USD Dis(A)0.79%612K$4.4M−9,006 (−1.4%)August 31, 2026
10Royce Small-Cap Opportunity Invmt0.73%567K$4.1M+150,003 (+36.0%)June 30, 2026
11Royce Small-Cap Fund Invmt0.72%563K$4.1M−40,772 (−6.8%)June 30, 2026
12Vanguard Russell 2000 ETF0.55%429K$3.1M+9,846 (+2.4%)August 31, 2026
13Fidelity Extended Market Index0.47%365K$2.7M−1,162 (−0.3%)August 31, 2026
14Schwab US Small-Cap ETF™0.44%345K$2.5M+225 (+0.1%)September 30, 2026
15First Trust Dow Jones Sel MicroCap ETF0.37%287K$2.1M—September 30, 2026
16EA Bridgeway Omni Small-Cap Value ETF0.34%268K$1.9M—September 30, 2026
17Royce Capital Small-Cap Inv0.31%245K$1.8M−39,617 (−13.9%)June 30, 2026
18iShares US Pharmaceuticals ETF0.31%241K$1.8M+743 (+0.3%)September 30, 2026
19iShares Micro-Cap ETF0.30%235K$1.7M−1,622 (−0.7%)September 30, 2026
20Avantis® U.S. Small Cap Value Instl0.29%226K$1.6M+9,903 (+4.6%)August 31, 2026

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

CRMD insider transactions

latest 9
CorMedix Inc. insider transactions
DateNameTransactionPriceSharesValue
2025-12-30Alan W DuntonSell$13.0020,000$260,000
2025-12-18Joseph TodiscoSell$12.0030,000$360,000
2025-12-09Steven W LefkowitzSell$11.8840,000$475,200
2025-10-23Myron KaplanBuy$11.0225,000$275,500
2025-09-12Alan W DuntonSell$13.1310,000$131,300
2025-09-12Joseph TodiscoSell$13.0050,000$650,000
2025-09-11Elizabeth HurlburtSell$13.0841,121$537,863
2025-09-09Elizabeth HurlburtSell$13.5112,876$173,955
2025-09-09Kaufman Beth ZelnickSell$13.4150,000$670,500

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.

CRMD shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns CRMD

Institutional investors own 58.0% of CorMedix's shares and insiders 7.61%. The largest holder is BlackRock Inc with 8.11% of the shares (6.3M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 3 reduced their stake in the latest filings. Short interest is 20.05% of the float, or 17.97 days of average trading volume. The share count rose 1,863.1% since 2014.

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

CRMD ownership FAQ

Who owns the most CorMedix stock?

The largest shareholders of CorMedix are BlackRock Inc (8.11%), Deep Track Capital, LP (8.05%), Vanguard Capital Management, LLC (4.02%), State Street Corp (2.97%), Royce & Associates, LP (2.79%).

What percentage of CorMedix is owned by institutions?

Institutions hold 58.0% of CorMedix's shares outstanding; insiders hold 7.61%.

Which funds own CorMedix?

The largest fund holders of CorMedix are Vanguard MStar Total Stk Mkt Idx Invest (2.86%), Avantis US Small Cap Value ETF (2.75%), iShares Russell 2000 ETF (2.50%), Oberweis Micro-Cap (1.64%), State Street® SPDR® S&P® PhrmctlsETF (1.10%).

What is CorMedix's short interest?

15.4M shares of CorMedix were sold short, 20.05% of the float; at the average daily volume it would take 17.97 days to cover.

Are insiders buying or selling CorMedix?

Of the latest 9 reported insider transactions in CorMedix (since September 9, 2025), 1 were purchases and 8 were sales.

How many shares of CorMedix are outstanding?

CorMedix has 77.9M shares outstanding, of which 65.9M are in the public float.

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