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 |
|---|---|---|---|---|---|
| Vanguard Investments Australia, Ltd. | 8,118 | $539.2K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 8,122 | $539.5K | 0.00% | −1,184−12.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,196 | $544.4K | 0.00% | −255−3.0% | Reduced |
| Virginia Retirement Systems Et Al | 8,300 | $551.3K | 0.00% | −800−8.8% | Reduced |
| ExodusPoint Capital Management, LP | 8,553 | $568.1K | 0.01% | −106,792−92.6% | Reduced |
| Abundance Wealth Counselors | 8,582 | $570.0K | 0.04% | +3,691+75.5% | Added |
| Two Sigma Investments, LP | 8,945 | $594.1K | 0.00% | −316,195−97.2% | Reduced |
| Arizona State Retirement System | 8,992 | $597.2K | 0.00% | +74+0.8% | Added |
| NLB Skladi, upravljanje premozenja, d.o.o. | 9,000 | $597.8K | 0.02% | −1,170−11.5% | Reduced |
| Amalgamated Bank | 9,249 | $614.0K | 0.00% | −570−5.8% | Reduced |
| Virtu Financial LLC | 9,277 | $616.0K | 0.02% | −1,090−10.5% | Reduced |
| Yousif Capital Management, LLC | 9,332 | $619.8K | 0.01% | −89−0.9% | Reduced |
| Fifth Third Bancorp | 9,350 | $621.0K | 0.00% | −11,452−55.1% | Reduced |
| Group One Trading, L.P. | 9,527 | $632.8K | 0.02% | +3,191+50.4% | Added |
| Capstone Investment Advisors, LLC | 9,652 | $641.1K | 0.00% | +9,652 | New |
| Victory Capital Management Inc | 9,915 | $658.6K | 0.00% | +954+10.6% | Added |
| Marex Group plc | 9,927 | $659.4K | 0.00% | +9,927 | New |
| Commonwealth Equity Services, LLC | 10,074 | $669.1K | 0.00% | −10,058−50.0% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 10,123 | $672.4K | 0.01% | +1,002+11.0% | Added |
| Jones Financial Companies LLLP | 9,898 | $677.4K | 0.00% | +6,686+208.2% | Added |
| Cetera Investment Advisers | 10,542 | $700.2K | 0.00% | −6,531−38.3% | Reduced |
| Allstate Corp | 10,811 | $718.1K | 0.01% | +10,811 | New |
| Diametric Capital, LP | 10,981 | $729.4K | 0.08% | +10,981 | New |
| Eddie Patel Inc | 11,288 | $749.8K | 0.45% | +11,288 | New |
| Man Group plc | 11,327 | $752.3K | 0.00% | −147,082−92.8% | Reduced |
| State of Alaska, Department of Revenue | 11,382 | $755.0K | 0.01% | −5,488−32.5% | Reduced |
| State of Tennessee, Treasury Department | 11,465 | $761.5K | 0.00% | +2,721+31.1% | Added |
| State Board of Administration of Florida Retirement System | 12,104 | $803.9K | 0.00% | +3,887+47.3% | Added |
| New York State Common Retirement Fund | 12,568 | $834.8K | 0.00% | −6,072−32.6% | Reduced |
| Campbell Newman Asset Management Inc | 12,801 | $850.2K | 0.06% | +553+4.5% | Added |
| Odyssean, LLC | 12,814 | $851.1K | 0.14% | +8,424+191.9% | Added |
| Catalyst Capital Advisors LLC | 13,065 | $867.8K | 0.01% | +7,710+144.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,101 | $870.2K | 0.00% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 13,380 | $889.0K | 0.02% | 00.0% | Unchanged |
| Voya Investment Management LLC | 13,407 | $890.5K | 0.00% | +818+6.5% | Added |
| Vanguard Global Advisers, LLC | 13,421 | $891.4K | 0.00% | −1,174−8.0% | Reduced |
| Handelsbanken Fonder AB | 13,500 | $897.0K | 0.00% | −400−2.9% | Reduced |
| Dana Investment Advisors, Inc. | 14,218 | $944.4K | 0.02% | −3,375−19.2% | Reduced |
| Summit Financial, LLC | 14,515 | $964.1K | 0.01% | +339+2.4% | Added |
| HB Wealth Management, LLC | 15,062 | $1.00M | 0.01% | +219+1.5% | Added |
| Louisiana State Employees Retirement System | 15,100 | $1.00M | 0.01% | −100−0.7% | Reduced |
| Strong Tower Advisory Services | 15,160 | $1.01M | 0.18% | +6,269+70.5% | Added |
| Jupiter Topco LLC | 15,263 | $1.01M | 0.00% | +15,263 | New |
| Franklin Resources Inc | 15,303 | $1.02M | 0.00% | +48+0.3% | Added |
| EP Wealth Advisors, LLC | 15,401 | $1.02M | 0.00% | +15,401 | New |
| Beaconlight Capital, LLC | 15,406 | $1.02M | 0.45% | −27,072−63.7% | Reduced |
| Stifel Financial Corp | 15,723 | $1.04M | 0.00% | +8,157+107.8% | Added |
| D.A. Davidson & Co. | 15,832 | $1.05M | 0.01% | +861+5.8% | Added |
| KBC Group NV | 15,970 | $1.06M | 0.00% | +15,000+1,546.4% | Added |
| Illinois Municipal Retirement Fund | 16,246 | $1.08M | 0.01% | −3,372−17.2% | Reduced |
| State of New Jersey Common Pension Fund D | 16,334 | $1.08M | 0.00% | −590−3.5% | Reduced |
| Russell Investments Group, Ltd. | 16,401 | $1.09M | 0.00% | +1,280+8.5% | Added |
| Cambridge Investment Research Advisors, Inc. | 16,456 | $1.09M | 0.00% | −989−5.7% | Reduced |
| Gladstone Institutional Advisory LLC | 16,564 | $1.10M | 0.03% | −31−0.2% | Reduced |
| Advisory Services Network, LLC | 16,885 | $1.12M | 0.01% | +16,448+3,763.8% | Added |
| Manufacturers Life Insurance Company, The | 17,159 | $1.14M | 0.00% | +1,925+12.6% | 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 |
| Winton Group Ltd | 18,203 | $1.21M | 0.04% | +6,262+52.4% | Added |
| Blair William & Co | 18,859 | $1.25M | 0.00% | −155,158−89.2% | Reduced |
| CI Private Wealth, LLC | 19,285 | $1.28M | 0.00% | +10,644+123.2% | Added |
| Teachers Retirement System of the State of Kentucky | 19,399 | $1.29M | 0.01% | +2,620+15.6% | Added |
| MetLife Investment Management | 19,991 | $1.33M | 0.01% | +1,664+9.1% | Added |
| King Luther Capital Management Corp | 20,000 | $1.33M | 0.01% | −27,084−57.5% | Reduced |
| Creative Planning | 20,955 | $1.39M | 0.00% | +318+1.5% | Added |
| Royal Bank of Canada | 21,288 | $1.41M | 0.00% | −5,649−21.0% | Reduced |
| Sectoral Asset Management Inc | 21,950 | $1.46M | 1.02% | +21,950 | New |
| Perigon Wealth Management, LLC | 21,964 | $1.46M | 0.02% | +1,010+4.8% | Added |
| Intech Investment Management LLC | 22,038 | $1.46M | 0.01% | +155+0.7% | Added |
| DnB Asset Management AS | 22,041 | $1.46M | 0.00% | +17,839+424.5% | Added |
| Schonfeld Strategic Advisors LLC | 22,531 | $1.50M | 0.01% | +22,531 | New |
| Thrivent Financial for Lutherans | 22,695 | $1.51M | 0.00% | −115−0.5% | Reduced |
| Bullseye Asset Management LLC | 24,301 | $1.61M | 0.82% | +240+1.0% | Added |
| Headlands Technologies LLC | 24,599 | $1.63M | 0.17% | +24,599 | New |
| Wesbanco Bank Inc | 24,850 | $1.65M | 0.04% | +24,850 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 25,792 | $1.71M | 0.00% | −106−0.4% | Reduced |
| Quantinno Capital Management LP | 26,002 | $1.73M | 0.00% | +17,943+222.6% | Added |
| Summit Creek Advisors LLC | 26,707 | $1.77M | 0.60% | +26,707 | New |
| Fred Alger Management, LLC | 26,741 | $1.78M | 0.01% | −3,264−10.9% | Reduced |
| Taylor Frigon Capital Management LLC | 26,908 | $1.79M | 0.84% | +7,190+36.5% | Added |
| AQR Capital Management LLC | 27,947 | $1.86M | 0.00% | +20,168+259.3% | Added |
| Brevan Howard Capital Management LP | 28,808 | $1.91M | 0.03% | +28,808 | New |
| New York State Teachers Retirement System | 28,849 | $1.92M | 0.00% | −581−2.0% | Reduced |
| State of Wisconsin Investment Board | 29,128 | $1.93M | 0.00% | −1,490−4.9% | Reduced |
| ArrowMark Colorado Holdings LLC | 30,151 | $2.00M | 0.08% | −140,917−82.4% | Reduced |
| Emerald Investment Advisers, LLC | 30,456 | $2.02M | 0.13% | +5,414+21.6% | Added |
| Norges Bank | 30,574 | $2.03M | 0.00% | +30,574 | New |
| Vanguard Asset Management, Ltd | 32,680 | $2.17M | 0.00% | +2,917+9.8% | Added |
| Holocene Advisors, LP | 33,754 | $2.24M | 0.01% | +33,754 | New |
| Prudential Financial Inc | 35,545 | $2.36M | 0.00% | −26,085−42.3% | Reduced |
| Atom Investors LP | 36,501 | $2.42M | 0.22% | +36,501 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 39,330 | $2.61M | 0.00% | −7,945−16.8% | Reduced |
| California State Teachers Retirement System | 39,850 | $2.65M | 0.00% | +2,010+5.3% | Added |
| Nordea Investment Management AB | 40,493 | $2.66M | 0.00% | +1,663+4.3% | Added |
| Trillium Asset Management, LLC | 41,577 | $2.76M | 0.08% | +4,166+11.1% | Added |
| Credit Agricole S A | 42,647 | $2.83M | 0.01% | −44,742−51.2% | Reduced |
| LPL Financial LLC | 42,725 | $2.84M | 0.00% | +2,829+7.1% | Added |
| Biondo Investment Advisors, LLC | 44,155 | $2.93M | 0.36% | −13,815−23.8% | Reduced |
| Bessemer Group Inc | 45,799 | $3.04M | 0.00% | −220.0% | Reduced |
| Price T Rowe Associates Inc | 46,028 | $3.06M | 0.00% | −300,655−86.7% | Reduced |