TransMedics Group, Inc.
TMDX- Exchange
- Nasdaq
- Industry
- Electromedical & Electrotherapeutic Apparatus
- SEC CIK
- 0001756262
In the last 90 days, TransMedics Group, Inc. insiders filed 1 open-market purchase and 0 sales; 375 institutions reported holding it in 13F filings for Q2 2026, worth $2.31B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in TransMedics Group, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 375
- −38 vs. Q1 2026
- Shares held
- 34.8M
- −1.58M (−4.4%) vs. Q1 2026
- Total value
- $2.31B
- −$1.30B (−36.0%) vs. Q1 2026
- New holders
- 69
- 138 more added
- Sold out
- 107
- 125 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TMDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 375 | $2.31B |
| Q1 2026 | 416 | $3.63B |
| Q4 2025 | 429 | $4.53B |
| Q3 2025 | 388 | $4.17B |
| Q2 2025 | 368 | $4.93B |
| Q1 2025 | 298 | $2.63B |
| Q4 2024 | 315 | $2.30B |
| Q3 2024 | 374 | $5.74B |
| Q2 2024 | 340 | $5.09B |
| Q1 2024 | 262 | $2.52B |
| Q4 2023 | 249 | $2.76B |
| Q3 2023 | 222 | $1.91B |
| Q2 2023 | 240 | $2.73B |
| Q1 2023 | 225 | $2.26B |
| Q4 2022 | 200 | $1.79B |
| Q3 2022 | 178 | $1.18B |
| Q2 2022 | 135 | $719.7M |
| Q1 2022 | 110 | $561.4M |
| Q4 2021 | 121 | $384.7M |
| Q3 2021 | 120 | $636.5M |
| Q2 2021 | 124 | $623.5M |
| Q1 2021 | 107 | $773.0M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wesbanco Bank Inc | 24,850 | $1.65M | 0.04% | +24,850 | New |
| Headlands Technologies LLC | 24,599 | $1.63M | 0.17% | +24,599 | New |
| Bullseye Asset Management LLC | 24,301 | $1.61M | 0.82% | +240+1.0% | Added |
| Thrivent Financial for Lutherans | 22,695 | $1.51M | 0.00% | −115−0.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 22,531 | $1.50M | 0.01% | +22,531 | New |
| DnB Asset Management AS | 22,041 | $1.46M | 0.00% | +17,839+424.5% | Added |
| Intech Investment Management LLC | 22,038 | $1.46M | 0.01% | +155+0.7% | Added |
| Perigon Wealth Management, LLC | 21,964 | $1.46M | 0.02% | +1,010+4.8% | Added |
| Sectoral Asset Management Inc | 21,950 | $1.46M | 1.02% | +21,950 | New |
| Royal Bank of Canada | 21,288 | $1.41M | 0.00% | −5,649−21.0% | Reduced |
| Creative Planning | 20,955 | $1.39M | 0.00% | +318+1.5% | Added |
| King Luther Capital Management Corp | 20,000 | $1.33M | 0.01% | −27,084−57.5% | Reduced |
| MetLife Investment Management | 19,991 | $1.33M | 0.01% | +1,664+9.1% | Added |
| Teachers Retirement System of the State of Kentucky | 19,399 | $1.29M | 0.01% | +2,620+15.6% | Added |
| CI Private Wealth, LLC | 19,285 | $1.28M | 0.00% | +10,644+123.2% | Added |
| Blair William & Co | 18,859 | $1.25M | 0.00% | −155,158−89.2% | Reduced |
| Winton Group Ltd | 18,203 | $1.21M | 0.04% | +6,262+52.4% | Added |
| Diversify Advisory Services, LLC | 15,872 | $1.18M | 0.02% | +15,872 | New |
| Diversify Wealth Management, LLC | 15,872 | $1.18M | 0.02% | +15,872 | New |
| Manufacturers Life Insurance Company, The | 17,159 | $1.14M | 0.00% | +1,925+12.6% | Added |
| Advisory Services Network, LLC | 16,885 | $1.12M | 0.01% | +16,448+3,763.8% | Added |
| Gladstone Institutional Advisory LLC | 16,564 | $1.10M | 0.03% | −31−0.2% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 16,456 | $1.09M | 0.00% | −989−5.7% | Reduced |
| Russell Investments Group, Ltd. | 16,401 | $1.09M | 0.00% | +1,280+8.5% | Added |
| State of New Jersey Common Pension Fund D | 16,334 | $1.08M | 0.00% | −590−3.5% | Reduced |
| Illinois Municipal Retirement Fund | 16,246 | $1.08M | 0.01% | −3,372−17.2% | Reduced |
| KBC Group NV | 15,970 | $1.06M | 0.00% | +15,000+1,546.4% | Added |
| D.A. Davidson & Co. | 15,832 | $1.05M | 0.01% | +861+5.8% | Added |
| Stifel Financial Corp | 15,723 | $1.04M | 0.00% | +8,157+107.8% | Added |
| Beaconlight Capital, LLC | 15,406 | $1.02M | 0.45% | −27,072−63.7% | Reduced |
| EP Wealth Advisors, LLC | 15,401 | $1.02M | 0.00% | +15,401 | New |
| Franklin Resources Inc | 15,303 | $1.02M | 0.00% | +48+0.3% | Added |
| Jupiter Topco LLC | 15,263 | $1.01M | 0.00% | +15,263 | New |
| Strong Tower Advisory Services | 15,160 | $1.01M | 0.18% | +6,269+70.5% | Added |
| Louisiana State Employees Retirement System | 15,100 | $1.00M | 0.01% | −100−0.7% | Reduced |
| HB Wealth Management, LLC | 15,062 | $1.00M | 0.01% | +219+1.5% | Added |
| Summit Financial, LLC | 14,515 | $964.1K | 0.01% | +339+2.4% | Added |
| Dana Investment Advisors, Inc. | 14,218 | $944.4K | 0.02% | −3,375−19.2% | Reduced |
| Handelsbanken Fonder AB | 13,500 | $897.0K | 0.00% | −400−2.9% | Reduced |
| Vanguard Global Advisers, LLC | 13,421 | $891.4K | 0.00% | −1,174−8.0% | Reduced |
| Voya Investment Management LLC | 13,407 | $890.5K | 0.00% | +818+6.5% | Added |
| Sit Investment Associates Inc | 13,380 | $889.0K | 0.02% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,101 | $870.2K | 0.00% | 00.0% | Unchanged |
| Catalyst Capital Advisors LLC | 13,065 | $867.8K | 0.01% | +7,710+144.0% | Added |
| Odyssean, LLC | 12,814 | $851.1K | 0.14% | +8,424+191.9% | Added |
| Campbell Newman Asset Management Inc | 12,801 | $850.2K | 0.06% | +553+4.5% | Added |
| New York State Common Retirement Fund | 12,568 | $834.8K | 0.00% | −6,072−32.6% | Reduced |
| State Board of Administration of Florida Retirement System | 12,104 | $803.9K | 0.00% | +3,887+47.3% | Added |
| State of Tennessee, Treasury Department | 11,465 | $761.5K | 0.00% | +2,721+31.1% | Added |
| State of Alaska, Department of Revenue | 11,382 | $755.0K | 0.01% | −5,488−32.5% | Reduced |
| Man Group plc | 11,327 | $752.3K | 0.00% | −147,082−92.8% | Reduced |
| Eddie Patel Inc | 11,288 | $749.8K | 0.45% | +11,288 | New |
| Diametric Capital, LP | 10,981 | $729.4K | 0.08% | +10,981 | New |
| Allstate Corp | 10,811 | $718.1K | 0.01% | +10,811 | New |
| Cetera Investment Advisers | 10,542 | $700.2K | 0.00% | −6,531−38.3% | Reduced |
| Jones Financial Companies LLLP | 9,898 | $677.4K | 0.00% | +6,686+208.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 10,123 | $672.4K | 0.01% | +1,002+11.0% | Added |
| Commonwealth Equity Services, LLC | 10,074 | $669.1K | 0.00% | −10,058−50.0% | Reduced |
| Marex Group plc | 9,927 | $659.4K | 0.00% | +9,927 | New |
| Victory Capital Management Inc | 9,915 | $658.6K | 0.00% | +954+10.6% | Added |
| Capstone Investment Advisors, LLC | 9,652 | $641.1K | 0.00% | +9,652 | New |
| Group One Trading, L.P. | 9,527 | $632.8K | 0.02% | +3,191+50.4% | Added |
| Fifth Third Bancorp | 9,350 | $621.0K | 0.00% | −11,452−55.1% | Reduced |
| Yousif Capital Management, LLC | 9,332 | $619.8K | 0.01% | −89−0.9% | Reduced |
| Virtu Financial LLC | 9,277 | $616.0K | 0.02% | −1,090−10.5% | Reduced |
| Amalgamated Bank | 9,249 | $614.0K | 0.00% | −570−5.8% | Reduced |
| NLB Skladi, upravljanje premozenja, d.o.o. | 9,000 | $597.8K | 0.02% | −1,170−11.5% | Reduced |
| Arizona State Retirement System | 8,992 | $597.2K | 0.00% | +74+0.8% | Added |
| Two Sigma Investments, LP | 8,945 | $594.1K | 0.00% | −316,195−97.2% | Reduced |
| Abundance Wealth Counselors | 8,582 | $570.0K | 0.04% | +3,691+75.5% | Added |
| ExodusPoint Capital Management, LP | 8,553 | $568.1K | 0.01% | −106,792−92.6% | Reduced |
| Virginia Retirement Systems Et Al | 8,300 | $551.3K | 0.00% | −800−8.8% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,196 | $544.4K | 0.00% | −255−3.0% | Reduced |
| Nisa Investment Advisors, LLC | 8,122 | $539.5K | 0.00% | −1,184−12.7% | Reduced |
| Vanguard Investments Australia, Ltd. | 8,118 | $539.2K | 0.00% | 00.0% | Unchanged |
| Jain Global LLC | 8,101 | $538.1K | 0.01% | +8,101 | New |
| Twinbeech Capital LP | 7,900 | $524.7K | 0.09% | −7,700−49.4% | Reduced |
| Oregon Public Employees Retirement Fund | 7,848 | $521.3K | 0.01% | +64+0.8% | Added |
| Envestnet Portfolio Solutions, Inc. | 7,691 | $510.8K | 0.00% | +3,352+77.3% | Added |
| Guggenheim Capital LLC | 7,665 | $509.1K | 0.00% | +5,528+258.7% | Added |
| J. Safra Sarasin Holding AG | 7,238 | $480.9K | 0.01% | +7,238 | New |
| Keystone Global Partners, LLC | 7,200 | $478.2K | 0.18% | +7,200 | New |
| KLP Kapitalforvaltning AS | 7,100 | $471.6K | 0.00% | 00.0% | Unchanged |
| CFG Wealth Management Services, Inc. | 4,689 | $466.1K | 0.44% | 00.0% | Unchanged |
| XTX Topco Ltd | 7,013 | $465.8K | 0.01% | +881+14.4% | Added |
| Cornerstone Wealth Management, LLC | 6,947 | $461.4K | 0.02% | +1,850+36.3% | Added |
| First Citizens Bank & Trust Co | 6,925 | $460.0K | 0.01% | +3,570+106.4% | Added |
| Allspring Global Investments Holdings, LLC | 6,655 | $451.5K | 0.00% | +190+2.9% | Added |
| Global Retirement Partners, LLC | 6,773 | $449.9K | 0.01% | +6,773 | New |
| Bokf, NA | 6,670 | $443.0K | 0.01% | +3,079+85.7% | Added |
| Park Avenue Securities LLC | 6,437 | $428.0K | 0.00% | −3,353−34.2% | Reduced |
| Phoenix Holdings Ltd. | 6,458 | $427.7K | 0.00% | +2,087+47.7% | Added |
| Massar Capital Management, LP | 6,401 | $425.2K | 0.15% | +6,401 | New |
| MML Investors Services, LLC | 6,180 | $410.5K | 0.00% | −2,564−29.3% | Reduced |
| Fox Run Management, L.L.C. | 6,173 | $410.0K | 0.07% | +6,173 | New |
| Values First Advisors, Inc. | 6,126 | $406.9K | 0.19% | +182+3.1% | Added |
| Amundi | 6,026 | $400.2K | 0.00% | −871−12.6% | Reduced |
| Resources Investment Advisors, LLC. | 6,020 | $399.8K | 0.00% | −1,487−19.8% | Reduced |
| Sugar Maple Asset Management, LLC | 6,000 | $398.5K | 0.26% | +3,000+100.0% | Added |
| Corsair Capital Management, L.P. | 6,000 | $398.5K | 0.05% | +6,000 | New |