MiMedx Group, Inc. (MDXG) Ownership

NASDAQ: MDXGTop holders, insider trades and short interest.

MDXG ownership summary

as of October 18, 2026
Institutions
77.9%
of shares outstanding
Insiders
2.14%
of shares outstanding
Shares outstanding
145.9M
Float
114.8M
shares available to trade
Short interest
8.12%
9.4M shares short
Days to cover
8.15
short interest down 13.0% vs prior month
  • Institutions 77.94%
  • Insiders 2.14%
  • Other investors 19.92%

MDXG top institutional holders

20 largest
MiMedx Group, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Essex Woodlands Health Ventures19.32%28.2M$124.9M—June 30, 2026
2BlackRock Inc8.33%12.2M$53.8M+243,166 (+2.0%)June 30, 2026
3Nantahala Capital Management, LLC6.53%9.5M$42.2M+6.1M (+180.7%)June 30, 2026
4Trigran Investments Inc4.92%7.2M$31.8M−1,339 (−0.0%)June 30, 2026
5State Street Corp3.82%5.6M$24.7M+522,119 (+10.3%)June 30, 2026
6Vanguard Capital Management, LLC3.55%5.2M$23.0M+21,047 (+0.4%)June 30, 2026
7Paradigm Capital Management, Inc.2.79%4.1M$18.0M+662,800 (+19.4%)June 30, 2026
8Geode Capital Management, LLC2.15%3.1M$13.9M+262,329 (+9.1%)June 30, 2026
9The Goldman Sachs Group Inc1.83%2.7M$11.8M+1.5M (+124.8%)June 30, 2026
10AQR Capital Management LLC1.69%2.5M$10.9M+1.6M (+170.3%)June 30, 2026
11Renaissance Technologies Corp1.67%2.4M$10.8M−575,641 (−19.1%)June 30, 2026
12Punch & Associates Inv Mgmt Inc1.41%2.1M$9.1M+38,371 (+1.9%)June 30, 2026
13Dimensional Fund Advisors, Inc.1.33%1.9M$8.6M−749,150 (−27.8%)June 30, 2026
14Cannell Capital LLC1.28%1.9M$8.3M+373,250 (+24.9%)June 30, 2026
15Northern Trust Corp0.90%1.3M$5.8M+294,469 (+28.8%)June 30, 2026
16Vanguard Portfolio Management, LLC0.88%1.3M$5.7M+184,758 (+16.7%)June 30, 2026
17Arrowstreet Capital Limited Partnership0.87%1.3M$5.6M+490,730 (+63.3%)June 30, 2026
18Charles Schwab Investment Management Inc0.85%1.2M$5.5M−137,249 (−10.0%)June 30, 2026
19Meros Investment Management, LP0.77%1.1M$5.0M+28,901 (+2.6%)June 30, 2026
20Morgan Stanley - Brokerage Accounts0.71%1.0M$4.6M+230,544 (+28.4%)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 12.5M shares and 4 cut 1.5M.

MDXG top mutual fund and ETF holders

20 largest
MiMedx Group, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest2.55%3.7M$16.5M—August 31, 2026
2iShares Russell 2000 ETF2.12%3.1M$13.7M−35,712 (−1.1%)September 30, 2026
3State Street® SPDR® S&P® Biotech ETF1.24%1.8M$8.0M−34,600 (−1.9%)September 30, 2026
4Avantis US Small Cap Value ETF0.94%1.4M$6.0M+23,760 (+1.8%)September 30, 2026
5Fidelity Small Cap Index0.90%1.3M$5.8M+4,844 (+0.4%)July 31, 2026
6iShares Russell 2000 Value ETF0.77%1.1M$5.0M+1,704 (+0.2%)September 30, 2026
7Paradigm Micro-Cap0.55%800K$3.5M+100,000 (+14.3%)September 30, 2026
8BlackRock Advantage Small Cap Core Instl0.51%748K$3.3M—August 31, 2026
9Vanguard Russell 2000 ETF0.48%697K$3.1M+18,884 (+2.8%)August 31, 2026
10Schwab US Small-Cap ETF™0.42%607K$2.7M+405 (+0.1%)September 30, 2026
11Fidelity Extended Market Index0.38%557K$2.5M+138,250 (+33.0%)August 31, 2026
12First Eagle Small Cap Opportunity I0.35%513K$2.3M+183,730 (+55.8%)August 31, 2026
13Columbia Sm Cp Val and Inflection Inst0.31%449K$2.0M—December 31, 2025
14OP-Osakesalkku A0.29%423K$1.9M—August 31, 2026
15Schwab Small-Cap Equity0.27%393K$1.7M−26,546 (−6.3%)June 30, 2026
16iShares Micro-Cap ETF0.26%374K$1.7M−2,582 (−0.7%)September 30, 2026
17Dimensional US Small Cap ETF0.25%360K$1.6M—September 30, 2026
18Vanguard Health Care ETF0.24%347K$1.5M−9,563 (−2.7%)August 31, 2026
19Dimensional US Targeted Value ETF0.21%310K$1.4M+30,300 (+10.8%)September 30, 2026
20Schwab Small Cap Index0.20%293K$1.3M—August 31, 2026

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

MDXG insider transactions

latest 2
MiMedx Group, Inc. insider transactions
DateNameTransactionPriceSharesValue
2025-11-06Kimberly Maersk-MollerSell$7.4258,300$432,586
2025-05-02Joseph H CapperBuy$6.34200,000$1.3M

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.

MDXG shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns MDXG

Institutional investors own 77.9% of MiMedx's shares and insiders 2.14%. The largest holder is Essex Woodlands Health Ventures with 19.32% of the shares (28.2M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 4 reduced their stake in the latest filings. Short interest is 8.12% of the float, or 8.15 days of average trading volume. The share count rose 31.8% since 2014.

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

MDXG ownership FAQ

Who owns the most MiMedx stock?

The largest shareholders of MiMedx are Essex Woodlands Health Ventures (19.32%), BlackRock Inc (8.33%), Nantahala Capital Management, LLC (6.53%), Trigran Investments Inc (4.92%), State Street Corp (3.82%).

What percentage of MiMedx is owned by institutions?

Institutions hold 77.9% of MiMedx's shares outstanding; insiders hold 2.14%.

Which funds own MiMedx?

The largest fund holders of MiMedx are Vanguard MStar Total Stk Mkt Idx Invest (2.55%), iShares Russell 2000 ETF (2.12%), State Street® SPDR® S&P® Biotech ETF (1.24%), Avantis US Small Cap Value ETF (0.94%), Fidelity Small Cap Index (0.90%).

What is MiMedx's short interest?

9.4M shares of MiMedx were sold short, 8.12% of the float; at the average daily volume it would take 8.15 days to cover.

Are insiders buying or selling MiMedx?

Of the latest 2 reported insider transactions in MiMedx (since May 2, 2025), 1 were purchases and 1 were sales.

How many shares of MiMedx are outstanding?

MiMedx has 145.9M shares outstanding, of which 114.8M are in the public float.

Biotechnology: ownership