MIMEDX GROUP INC MDXG
COM · Common Stock · CUSIP 602496101
- SectorHealth care
- IndustrySurgical & Medical Instruments & Apparatus
- HeadquartersMarietta, GA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($14.2k this quarter). Holder counts are more reliable. Shares outstanding: 148.9m as of 2026-04-23, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $3.95. Options: 4 managers hold calls ($182.5k notional), 5 hold puts ($641.9k).
Trends to Q1 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 145 |
| Q4 2022 | 154 |
| Q1 2023 | 165 |
| Q2 2023 | 178 |
| Q3 2023 | 187 |
| Q4 2023 | 200 |
| Q1 2024 | 203 |
| Q2 2024 | 203 |
| Q3 2024 | 195 |
| Q4 2024 | 214 |
| Q1 2025 | 219 |
| Q2 2025 | 224 |
| Q3 2025 | 232 |
| Q4 2025 | 234 |
| Q1 2026 | 239 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2024 | 97 | 85 |
| Q3 2024 | 77 | 91 |
| Q4 2024 | 92 | 88 |
| Q1 2025 | 96 | 91 |
| Q2 2025 | 103 | 90 |
| Q3 2025 | 102 | 102 |
| Q4 2025 | 105 | 104 |
| Q1 2026 | 129 | 96 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $352.6k | $649.9k | 1.84 |
| Q3 2025 | $1.8m | $2.0m | 1.10 |
| Q4 2025 | $408.9k | $832.7k | 2.04 |
| Q1 2026 | $182.5k | $641.9k | 3.52 |
Biggest buyers
| STATE STREET CORP | Added | +1.2m |
| Trigran Investments, Inc. | Added | +1.0m |
| Nantahala Capital Management, LLC | Added | +980.9k |
| PARADIGM CAPITAL MANAGEMENT INC/NY | Added | +959.1k |
| DEUTSCHE BANK AG\ | Added | +907.0k |
| BlackRock, Inc. | Added | +577.5k |
| RENAISSANCE TECHNOLOGIES LLC | Added | +552.8k |
| LOS ANGELES CAPITAL MANAGEMENT LLC | Added | +518.0k |
| AQR CAPITAL MANAGEMENT LLC | Added | +504.8k |
| OP Asset Management Ltd | Added | +504.8k |
Biggest sellers
| Hillsdale Investment Management Inc. | Reduced | -1.1m |
| DISCIPLINED GROWTH INVESTORS INC /MN | Reduced | -843.8k |
| AMERIPRISE FINANCIAL INC | Sold out | -595.5k |
| FRANKLIN RESOURCES INC | Reduced | -538.1k |
| Phocas Financial Corp. | Sold out | -493.0k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -419.4k |
| JPMORGAN CHASE & CO | Reduced | -341.7k |
| LAZARD ASSET MANAGEMENT LLC | Reduced | -264.7k |
| Meros Investment Management, LP | Reduced | -233.0k |
| Allspring Global Investments Holdings, LLC | Reduced | -222.9k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $69.1k17.5k shares |
| JANE STREET GROUP, LLC | Added | $62.0k15.7k shares |
| GROUP ONE TRADING LLC | Added | $34.0k8.6k shares |
| SIMPLEX TRADING, LLC | Reduced | $17.4k4.4k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $205.0k51.9k shares |
| JANE STREET GROUP, LLC | Added | $164.7k41.7k shares |
| CITADEL ADVISORS LLC | Added | $141.8k35.9k shares |
| SIMPLEX TRADING, LLC | Reduced | $91.2k23.1k shares |
| GROUP ONE TRADING LLC | Added | $39.1k9.9k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
No one currently above 5% in the filings since 19 Dec 2024.
Fell to 5% or below in the last year: Trigran Investments, Inc. (4.2%, 2026-02-13)
Insider purchases and sales in Q1 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2024 | 0 | — | 0 | — | — |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 3 | $1.6m | — |
| Q2 2025 | 1 | $1.3m | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 0 | — | 1 | $432.6k | — |
| Q1 2026 | 0 | — | 0 | — | — |
None reported in Q1 2026.
Holders, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| Essex Woodlands Management, Inc. 44.45% of their portfolio | 28.2m $111.4m | Unchanged |
| BlackRock, Inc. 0.00% of their portfolio | 11.9m $47.0m | Added +577.5k |
| Trigran Investments, Inc. 6.78% of their portfolio | 7.2m $28.3m | Added +1.0m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 5.2m $20.4m | First filing |
| STATE STREET CORP 0.00% of their portfolio | 5.1m $20.0m | Added +1.2m |
| PARADIGM CAPITAL MANAGEMENT INC/NY 0.52% of their portfolio | 3.4m $13.5m | Added +959.1k |
| Nantahala Capital Management, LLC 0.84% of their portfolio | 3.4m $13.4m | Added +980.9k |
| RENAISSANCE TECHNOLOGIES LLC 0.02% of their portfolio | 3.0m $11.9m | Added +552.8k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 2.9m $11.4m | Added +39.5k |
| First Light Asset Management, LLC 1.01% of their portfolio | 2.8m $11.2m | Reduced -196.4k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 2.7m $10.6m | Added +214.6k |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. 0.46% of their portfolio | 2.0m $8.0m | Added +12.5k |
| MARSHALL WACE, LLP 0.01% of their portfolio | 1.9m $7.4m | Added +479.9k |
| Qube Research & Technologies Ltd 0.01% of their portfolio | 1.7m $6.5m | Added +271.3k |
| CANNELL CAPITAL LLC 3.84% of their portfolio | 1.5m $5.9m | Added +25.6k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 1.4m $5.4m | Added +159.6k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 1.2m $4.7m | Added +95.2k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 1.1m $4.4m | First filing |
| Meros Investment Management, LP 1.87% of their portfolio | 1.1m $4.3m | Reduced -233.0k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 1.0m $4.1m | Added +907.0k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 1.0m $4.0m | Added +7.1k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 912.7k $3.6m | Added +504.8k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 823.0k $3.3m | First filing |
| MORGAN STANLEY 0.00% of their portfolio | 812.7k $3.2m | Added +85.0k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 776.4k $3.1m | Added +326.8k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio | 775.8k $3.1m | Added +146.7k |
| UBS Group AG 0.00% of their portfolio | 673.0k $2.7m | Added +406.8k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 668.7k $2.6m | Added +266.9k |
| DISCIPLINED GROWTH INVESTORS INC /MN 0.05% of their portfolio | 639.1k $2.5m | Reduced -843.8k |
| OP Asset Management Ltd 0.02% of their portfolio | 609.1k $2.4m | Added +504.8k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 572.3k $2.3m | Added +88.6k |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 553.3k $2.2m | Added +184.4k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 525.5k $2.1m | Added +266.2k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 518.8k $2.0m | Added +518.0k |
| Trexquant Investment LP 0.01% of their portfolio | 507.4k $2.0m | Added +243.6k |
| ISTHMUS PARTNERS, LLC 0.20% of their portfolio | 482.1k $1.9m | Added +43.4k |
| apricus wealth, LLC 0.87% of their portfolio | 451.9k $1.8m | Unchanged |
| LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio | 420.7k $1.7m | Reduced -264.7k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 382.8k $1.5m | Added +5.2k |
| Man Group plc 0.00% of their portfolio | 369.5k $1.5m | Added +228.8k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 355.7k $1.4m | Reduced -18.1k |
| HRT FINANCIAL LP 0.00% of their portfolio | 340.0k $1.3m | Added +43.4k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 336.1k $1.3m | Reduced -30.7k |
| GSA CAPITAL PARTNERS LLP 0.08% of their portfolio | 335.9k $1.3m | New |
| Squarepoint Ops LLC 0.00% of their portfolio | 329.2k $1.3m | Added +148.4k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 312.7k $1.2m | Reduced -86.2k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 302.1k $1.2m | Added +113.8k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 267.3k $1.1m | Added +48.4k |
| HARBOR CAPITAL ADVISORS, INC. 0.08% of their portfolio | 263.4k $1.0m | Reduced -43.3k |
| VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio | 259.7k $1.0m | Added +58.9k |
| Fisher Asset Management, LLC 0.00% of their portfolio | 246.6k $973.9k | Added +810 |
| SG Americas Securities, LLC 0.00% of their portfolio | 241.9k $955.0k | Added +53.8k |
| Nuveen, LLC 0.00% of their portfolio | 236.9k $935.7k | Added +1.4k |
| Swiss National Bank 0.00% of their portfolio | 233.4k $921.9k | Unchanged |
| ALGERT GLOBAL LLC 0.01% of their portfolio | 221.2k $873.7k | Added +88.1k |
| Point72 Asset Management, L.P. 0.00% of their portfolio | 214.6k $847.6k | Reduced -107.7k |
| GLOBEFLEX CAPITAL L P 0.13% of their portfolio | 214.3k $846.7k | Reduced -21.9k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 210.3k $830.8k | Added +44.4k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 200.5k $791.9k | Reduced -419.4k |
| BARCLAYS PLC 0.00% of their portfolio | 187.5k $740.5k | Reduced -188.2k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 172.0k $679.5k | Reduced -538.1k |
| Turtle Creek Wealth Advisors, LLC 0.05% of their portfolio | 166.7k $658.5k | Unchanged |
| State of Wyoming 0.08% of their portfolio | 163.1k $644.3k | Added +42.0k |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 161.5k $627.5k | Reduced -114.5k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 152.8k $603.7k | Added +47.2k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 144.2k $569.8k | Reduced -7.6k |
| STRS OHIO 0.00% of their portfolio | 138.9k $548.7k | Added +46.3k |
| Creative Planning 0.00% of their portfolio | 135.3k $534.6k | Added +122.0k |
| Pegasus Asset Management, Inc. 0.16% of their portfolio | 124.0k $489.8k | Unchanged |
| Rafferty Asset Management, LLC 0.00% of their portfolio | 123.6k $488.4k | Added +54.3k |
| Richmond Brothers, Inc. 0.31% of their portfolio | 117.8k $465.4k | Added +25.6k |
| Invesco Ltd. 0.00% of their portfolio | 117.8k $465.2k | Added +32.9k |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 117.1k $462.7k | Reduced -54.1k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 114.5k $453.0k | Added +25.0k |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.00% of their portfolio | 111.2k $439.1k | Unchanged |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 108.4k $734.1k | Reduced -19.5k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 107.6k $425.1k | Reduced -881 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.00% of their portfolio | 105.4k $416.3k | Unchanged |
| DRW Securities, LLC 0.02% of their portfolio | 104.4k $412.6k | New |
| AWH Capital, L.P. 0.36% of their portfolio | 100.0k $395.0k | New |
| TRUIST FINANCIAL CORP 0.00% of their portfolio | 96.2k $380.2k | Unchanged |
| AVIVA PLC 0.00% of their portfolio | 95.5k $377.2k | Added +24.3k |
| AlTi Global, Inc. 0.01% of their portfolio | 95.2k $376.1k | Reduced -250 |
| SkyView Investment Advisors, LLC 0.05% of their portfolio | 95.0k $388.0k | Added +3.8k |
| ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio | 93.7k $368.0k | New |
| Jump Financial, LLC 0.01% of their portfolio | 92.9k $366.9k | Reduced -195.3k |
| Jacobi Capital Management LLC 0.02% of their portfolio | 92.5k $365.6k | Added +7.2k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 92.0k $363.5k | Added +57.8k |
| Legal & General Group Plc 0.00% of their portfolio | 87.3k $350.5k | Reduced -26.2k |
| Aquatic Capital Management LLC 0.01% of their portfolio | 74.2k $293.1k | Added +74.2k |
| PARSONS CAPITAL MANAGEMENT INC/RI 0.01% of their portfolio | 72.7k $287.1k | Reduced -2.6k |
| D.A. DAVIDSON & CO. 0.00% of their portfolio | 69.5k $274.5k | Unchanged |
| VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio | 69.5k $274.4k | First filing |
| Quantinno Capital Management LP 0.00% of their portfolio | 66.4k $262.4k | Reduced -9.0k |
| Allspring Global Investments Holdings, LLC 0.00% of their portfolio | 66.3k $261.9k | Reduced -222.9k |
| TUDOR INVESTMENT CORP ET AL 0.00% of their portfolio | 64.2k $253.7k | New |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 64.1k $252.4k | Added +5.1k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 62.7k $247.8k | Reduced -72.7k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.00% of their portfolio | 62.5k $247.0k | Reduced -1.7k |
| OneDigital Investment Advisors LLC 0.00% of their portfolio | 59.4k $234.6k | Added +4.9k |