| 4 | STATE STREET CORP | 5.6M | $21.5M | +10.3% | 3.828% | 0.00% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 5.2M | $20.0M | +0.4% | 3.559% | 0.00% |
| 6 | Nantahala Capital Management, LLC | 4.8M | $18.4M | +40.3% | 3.271% | 0.30% |
| 7 | PARADIGM CAPITAL MANAGEMENT INC/NY | 4.1M | $15.7M | +19.4% | 2.794% | 0.43% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 3.1M | $12.1M | +9.1% | 2.157% | 0.00% |
| 9 | GOLDMAN SACHS GROUP INC | 2.7M | $10.3M | +124.8% | 1.829% | 0.00% |
| 10 | AQR CAPITAL MANAGEMENT LLC | 2.5M | $9.5M | +170.3% | 1.692% | 0.00% |
| 11 | RENAISSANCE TECHNOLOGIES LLC | 2.4M | $9.4M | -19.1% | 1.677% | 0.01% |
| 12 | PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 2.1M | $7.9M | +1.9% | 1.412% | 0.39% |
| 13 | DIMENSIONAL FUND ADVISORS LP | 1.9M | $7.5M | -27.8% | 1.334% | 0.00% |
| 14 | CANNELL CAPITAL LLC | 1.9M | $7.2M | +24.9% | 1.283% | 4.83% |
| 15 | NORTHERN TRUST CORP | 1.3M | $5.1M | +28.8% | 0.904% | 0.00% |
| 16 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.3M | $5.0M | +16.7% | 0.885% | 0.00% |
| 17 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.3M | $4.9M | +63.2% | 0.869% | 0.00% |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2M | $4.8M | -10.0% | 0.852% | 0.00% |
| 19 | Meros Investment Management, LP | 1.1M | $4.3M | +2.6% | 0.770% | 1.37% |
| 20 | MORGAN STANLEY | 1.0M | $4.0M | +28.4% | 0.716% | 0.00% |
| 21 | Qube Research & Technologies Ltd | 990K | $3.8M | -40.0% | 0.679% | 0.00% |
| 22 | CITADEL ADVISORS LLC | 844K | $3.2M | +3.9% | 0.579% | 0.00% |
| 23 | JANE STREET GROUP, LLC | 792K | $3.1M | +35.9% | 0.544% | 0.00% |
| 24 | VANGUARD FIDUCIARY TRUST CO | 775K | $3.0M | -5.8% | 0.532% | 0.00% |
| 25 | KENNEDY CAPITAL MANAGEMENT LLC | 770K | $3.0M | — | 0.528% | 0.05% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in MDXG — a direct measure of their conviction.
| 68.52% |
| +0.25 pp |
| $755M |
| 20% |
| Q4 2024 | 211 | +9.3% | 68.27% | +1.84 pp | $948M | +68% |
| Q3 2024 | 193 | — | 66.43% | — | $566M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
38 institutions opened new positions in MDXG during Q2 2026, while 48 fully exited. 78 added to existing positions and 102 trimmed.
MDXG institutional ownership rose by 0.94 percentage points quarter-over-quarter, with a net change of -11 holders.
The top 10 institutions account for 68.5% of all reported 13F value in MDXG, and the top 25 account for 86.5%.
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