MiMedx Group, Inc.
MiMedx Group, Inc. (MDXG) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MDXG · as of Sep 30, 2025
Ownership Breakdown
241
Institutional Holders
▲ 14 vs Q2
$730.70M
Total Inst. Value
▲ $93.60M vs Q2
148.95M
Shares Outstanding
freeFloat 79.34%
104.69M
13F Shares Held
▲ 421,465 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MDXG largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
ESSEX WOODLANDS MANAGEMENT, INC. surgical & medical instruments & apparatus | 28.20M | 19.08% | 19.08% | $196.80B | Nov 12, 2025 | — held |
BLACKROCK, INC. surgical & medical instruments & apparatus | 11.32M | 7.66% | 7.66% | $79.03B | Nov 12, 2025 | ▼ 203.3K |
TRIGRAN INVESTMENTS, INC. surgical & medical instruments & apparatus | 7.70M | 5.21% | 5.21% | $53.75B | Nov 12, 2025 | ▼ 689.4K |
VANGUARD GROUP INC surgical & medical instruments & apparatus | 6.80M | 4.60% | 4.60% | $47.48B | Nov 7, 2025 | ▼ 155.6K |
FIRST LIGHT ASSET MANAGEMENT, LLC surgical & medical instruments & apparatus | 3.65M | 2.47% | 2.47% | $25.50B | Nov 14, 2025 | ▲ 1.73M |
STATE STREET CORP surgical & medical instruments & apparatus | 3.59M | 2.43% | 2.43% | $25.09B | Nov 14, 2025 | ▲ 128.7K |
GEODE CAPITAL MANAGEMENT, LLC surgical & medical instruments & apparatus | 2.84M | 1.92% | 1.92% | $19.85B | Nov 12, 2025 | ▲ 789 |
PARADIGM CAPITAL MANAGEMENT INC/NY surgical & medical instruments & apparatus | 2.65M | 1.79% | 1.79% | $18.51B | Nov 14, 2025 | ▼ 1.80M |
DIMENSIONAL FUND ADVISORS LP surgical & medical instruments & apparatus | 2.38M | 1.61% | 1.61% | $16.63B | Nov 12, 2025 | ▲ 99.1K |
CANNELL CAPITAL LLC surgical & medical instruments & apparatus | 2.01M | 1.36% | 1.36% | $14.06B | Nov 14, 2025 | ▼ 60.1K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
24
Increased
+5.28M shares2
New Positions
first time holders19
Decreased
−5.74M shares0
Sold Out
fully exitedNet shares change (top 50)
455.7K
+5.28M / −5.74M
Net new holders
+7
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MDXG insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
13
Buy transactions
4
Sell transactions
3.25
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Hulse William Frank IV General Counsel and CAO | Mar 13, 2026 | Tax Withhold | 20,245 | $4.38 | $88.7K | 543.2K | Form 4 ↗ |
Maersk-Moller Kimberly Chief Commercial Officer | Mar 13, 2026 | Tax Withhold | 6,762 | $4.38 | $29.6K | 329.4K | Form 4 ↗ |
Maersk-Moller Kimberly Chief Commercial Officer | Mar 10, 2026 | Tax Withhold | 21,270 | $4.50 | $95.7K | 336.2K | Form 4 ↗ |
Hulse William Frank IV General Counsel and CAO | Mar 10, 2026 | Tax Withhold | 61,460 | $4.50 | $276.6K | 563.4K | Form 4 ↗ |
DOUG RICE Chief Financial Officer | Mar 10, 2026 | Tax Withhold | 96,363 | $4.50 | $433.6K | 412.3K | Form 4 ↗ |
Capper Joseph H Chief Executive Officer | Mar 4, 2026 | Award | 310,574 | $5.10 | $1.58M | 4.09M | Form 4 ↗ |
Capper Joseph H Chief Executive Officer | Mar 4, 2026 | Award | 371,094 | — | — | 904.7K | Form 4 ↗ |
DOUG RICE Chief Financial Officer | Mar 4, 2026 | Award | 74,163 | — | — | 265.7K | Form 4 ↗ |
DOUG RICE Chief Financial Officer | Mar 4, 2026 | Award | 62,068 | $5.10 | $316.5K | 263.3K | Form 4 ↗ |
Hulse William Frank IV General Counsel and CAO | Mar 4, 2026 | Award | 74,987 | — | — | 488.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
MiMedx Group, Inc. (MDXG) is primarily owned by institutional investors, who hold approximately 70.3% of total shares outstanding. Company insiders own approximately 20.66%, while retail and public investors account for the remaining 9.05%.
The largest institutional shareholder of MiMedx Group, Inc. is ESSEX WOODLANDS MANAGEMENT, INC., holding approximately 28.20 million shares — equal to 19.08% of outstanding shares — as of September 30, 2025.
A total of 241 institutional investors currently hold MDXG stock, with a combined institutional value of approximately $730,700,672 as of the most recent 13F filing period.
Frequently asked questions
MDXG ownershipMiMedx Group, Inc. (MDXG) is primarily owned by institutional investors, who hold approximately 70.3% of shares. The largest shareholder is ESSEX WOODLANDS MANAGEMENT, INC. with a 19.08% stake. Company insiders hold 20.66%. Data sourced from SEC Form 13F as of September 30, 2025.