Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MDXG held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Essex Woodlands Management, Inc. | 28.2M | $111.4M | 0.0% | 18.978% | 44.45% |
| 2 | BlackRock, Inc. | 11.9M | $47.0M | +5.1% | 8.018% | 0.00% |
| 3 | Trigran Investments, Inc. | 7.2M | $28.3M | +16.4% | 4.829% | 6.78% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 5.2M | $20.4M | β | 3.477% | 0.00% |
| 5 | STATE STREET CORP | 5.1M | $20.0M | +32.6% | 3.404% | 0.00% |
| 6 | PARADIGM CAPITAL MANAGEMENT INC/NY | 3.4M | $13.5M | +39.1% | 2.296% | 0.52% |
| 7 | Nantahala Capital Management, LLC | 3.4M | $13.4M | +40.6% | 2.287% | 0.69% |
| 8 | RENAISSANCE TECHNOLOGIES LLC | 3.0M | $11.9M | +22.4% | 2.033% | 0.02% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 2.9M | $11.4M | +1.4% | 1.939% | 0.00% |
| 10 | First Light Asset Management, LLC | 2.8M | $11.2M | -6.5% | 1.913% | 1.01% |
| 11 | DIMENSIONAL FUND ADVISORS LP | 2.7M | $10.6M | +8.7% | 1.813% | 0.00% |
| 12 | PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 2.0M | $8.0M | +0.6% | 1.359% | 0.46% |
| 13 | MARSHALL WACE, LLP | 1.9M | $7.4M | +34.7% | 1.253% | 0.01% |
| 14 | Qube Research & Technologies Ltd | 1.7M | $6.5M | +19.7% | 1.112% | 0.01% |
| 15 | CANNELL CAPITAL LLC | 1.5M | $5.9M | +1.7% | 1.008% | 3.73% |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.4M | $5.4M | +13.1% | 0.928% | 0.00% |
| 17 | GOLDMAN SACHS GROUP INC | 1.2M | $4.7M | +8.7% | 0.798% | 0.00% |
| 18 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.1M | $4.4M | β | 0.744% | 0.00% |
| 19 | Meros Investment Management, LP | 1.1M | $4.3M | -17.6% | 0.736% | 1.87% |
| 20 | DEUTSCHE BANK AG\ | 1.0M | $4.1M | +708.7% | 0.697% | 0.00% |
| 21 | NORTHERN TRUST CORP | 1.0M | $4.0M | +0.7% | 0.689% | 0.00% |
| 22 | AQR CAPITAL MANAGEMENT LLC | 913K | $3.6M | +123.8% | 0.614% | 0.00% |
| 23 | VANGUARD FIDUCIARY TRUST CO | 823K | $3.3M | β | 0.554% | 0.00% |
| 24 | MORGAN STANLEY | 813K | $3.2M | +11.7% | 0.547% | 0.00% |
| 25 | CITADEL ADVISORS LLC | 812K | $3.2M | +71.5% | 0.547% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MDXG β a direct measure of their conviction.
Filings activity in MDXG during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new MDXG position in Q1 2026
Institutions that fully closed their MDXG position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 231 | +0.4% | 81.34% | 52.32 pp | $435M | 39% |
| Q4 2025 | 230 | +0.9% | 133.66% | 1.69 pp | $715M | 1.2% |
| Q3 2025 | 228 | +3.2% | 135.35% | +19.01 pp | $724M | +16% |
| Q2 2025 | 221 | +2.8% | 116.34% | 24.78 pp | $622M | 18% |
| Q1 2025 | 215 | +1.9% | 141.12% | 36.17 pp | $755M | 20% |
| Q4 2024 | 211 | +9.3% | 177.29% | +71.52 pp | $948M | +68% |
| Q3 2024 | 193 | 5.4% | 105.77% | 16.47 pp | $566M | 13% |
| Q2 2024 | 204 | β | 122.24% | β | $654M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MDXG stock.
Based on Q1 2026 13F filings, institutional ownership of MiMedx Group, Inc. stands at 81.3%, held across 231 reporting institutions.
Essex Woodlands Management, Inc. is the largest reported institutional holder of MDXG, with approximately 28,195,249 shares worth $0.11B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of MDXG, including RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC.
Our composite Smart Money Score for MDXG is 45 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
47 institutions opened new positions in MDXG during Q1 2026, while 46 fully exited. 27 added to existing positions and 155 trimmed.
MDXG institutional ownership fell by 52.32 percentage points quarter-over-quarter, with a net change of +1 holders.
The top 10 institutions account for 66.3% of all reported 13F value in MDXG, and the top 25 account for 84.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
MiMedx Group, Inc. (MDXG) Institutional Ownership