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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.

Q3 2023 vs. Q2 2023

How the institutions holding TransMedics Group, Inc. changed between Q2 2023 and Q3 2023.

All holders in Q3 2023All holders in Q2 2023

13F holders of TMDX: Q2 2023 compared with Q3 2023
MeasureQ2 2023Of which not filed for Q3 2023Q3 2023Change
Holders2401222−17
Shares32.5M4.15K34.9M+2.42M (+7.4%)
Value$2.73B$348.2K$1.91B−$816.9M (−29.9%)

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (35)

Institutions that held TransMedics Group, Inc. at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to TMDX in Q3 2023
InstitutionSharesValue% of portfolio
Marshall Wace, LLP577,153$31.6M0.07%
Braidwell LP307,200$16.8M0.53%
Walleye Capital LLC96,091$5.26M0.08%
Must Asset Management Inc.94,202$5.17M12.65%
Segall Bryant & Hamill, LLC57,593$3.15M0.04%
Tudor Investment Corp Et Al38,831$2.13M0.03%
HSBC Holdings PLC35,000$1.92M0.00%
Liontrust Investment Partners LLP31,679$1.73M0.03%
Aquatic Capital Management LLC28,600$1.57M0.07%
J.W. Cole Advisors, Inc.16,975$929.4K0.07%
Dark Forest Capital Management LP14,365$786.5K0.07%
Aigen Investment Management, LP14,243$779.8K0.15%
Man Group plc–$618.7K0.00%
Point72 Middle East FZE10,988$601.6K0.04%
Pacific Capital Partners Ltd10,897$596.6K0.36%
Group One Trading, L.P.10,268$562.2K0.02%
Shariaportfolio, Inc.8,582$470.0K0.37%
Verition Fund Management LLC6,902$377.9K0.01%
Blair William & Co6,544$358.3K0.00%
ExodusPoint Capital Management, LP5,001$274.0K0.00%
Clough Capital Partners L P4,313$236.1K0.03%
Pictet Asset Management Holding SA4,146$227.0K0.00%
Simplex Trading, LLC4,052$221.0K0.01%
Envestnet Portfolio Solutions, Inc.3,710$203.1K0.00%
Headlands Technologies LLC3,282$179.7K0.09%
RiverPark Advisors, LLC1,104$60.4K0.05%
KBC Group NV767$42.0K0.00%
Cutler Group LP700$38.0K0.01%
Global Retirement Partners, LLC720$37.8K0.00%
Comerica Bank626$34.3K0.00%
NBC Securities, Inc.347$18.0K0.00%
Householder Group Estate & Retirement Specialist, LLC200$10.9K0.00%
Trust Co of Vermont137$7.50K0.00%
Valley National Advisers Inc10$1.00K0.00%
Massmutual Trust Co FSB7$3830.00%

Sold out (52)

Institutions that held TransMedics Group, Inc. at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of TMDX in Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
Summit Partners Public Asset Management, LLC671,716$56.4M
D. E. Shaw & Co., Inc.321,975$27.0M
Iron Triangle Partners LP180,000$15.1M
Castleark Management LLC132,535$11.1M
Quadrature Capital Ltd83,502$7.01M
Soleus Capital Management, L.P.74,200$6.23M
EAM Global Investors LLC61,743$5.19M
Calamos Advisors LLC61,343$5.15M
Essex Investment Management Co LLC59,760$5.02M
EAM Investors, LLC42,081$3.53M
Algert Global LLC38,974$3.27M
Penserra Capital Management LLC38,846$3.26M
Jefferies Financial Group Inc.38,800$3.26M
Lisanti Capital Growth, LLC34,470$2.89M
Squarepoint Ops LLC27,208$2.28M
Gotham Asset Management, LLC18,727$1.57M
CIBC Private Wealth Group, LLC17,599$1.48M
Federated Hermes, Inc.13,813$1.16M
Apeiron Capital Ltd11,554$970.3K
Y-Intercept (Hong Kong) Ltd11,552$970.1K
Teacher Retirement System of Texas9,023$758.0K
Acadian Asset Management LLC7,871$661.0K
Rockefeller Capital Management L.P.8,533$602.7K
Diametric Capital, LP6,759$567.6K
Petra Financial Advisors Inc6,622$556.1K
Campbell & CO Investment Adviser LLC5,538$465.1K
Wealthcare Advisory Partners LLC5,144$432.0K
Summit Global Investments5,022$422.0K
Corton Capital Inc.4,644$390.0K
Jennison Associates LLC4,236$355.7K
Virtu Financial LLC4,126$346.0K
Moran Wealth Management, LLC3,981$334.3K
First Republic Investment Management, Inc.3,660$307.4K
Glenmede Trust Co NA3,867$292.8K
NinePointTwo Capital3,393$284.0K
Silver Oak Securities, Inc3,257$274.0K
Creative Planning3,070$257.8K
Bailard, Inc.2,700$226.7K
Prudential Financial Inc2,658$223.2K
Cim Investment Mangement Inc2,516$211.3K
Koshinski Asset Management, Inc.2,400$201.6K
Delphia (USA) Inc.2,394$201.0K
Harbor Investment Advisory, LLC1,018$85.5K
Point72 Asset Management, L.P.834$70.1K
Rise Advisors, LLC579$48.6K
STRS Ohio500$41.0K
Harbor Capital Advisors, Inc.230$19.3K
Hanseatic Management Services Inc119$10.0K
Foster Dykema Cabot & Co Inc54$5.00K
Impact Partnership Wealth, LLC24$2.02K
IFP Advisors, Inc67$1.50K
Elequin Capital LP16$1.34K

Not filed for Q3 2023 yet (1)

Institutions that held TransMedics Group, Inc. at the end of Q2 2023 and haven't filed a 13F for Q3 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding TMDX in Q2 2023 that haven't filed for Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
Pictet Asset Management SA4,146$348.2K