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TransMedics Group (TMDX) Institutional Ownership

TransMedics Group logo
$122.29 +1.19 (+0.98%)
Closing price 09/19/2025 04:00 PM Eastern
Extended Trading
$121.50 -0.80 (-0.65%)
As of 09/19/2025 07:51 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for TransMedics Group (NASDAQ:TMDX)

Current
Institutional Ownership
Percentage
99.67%
Number of
Institutional Buyers
(last 12 months)
266
Total
Institutional Inflows
(last 12 months)
$818.69M
Number of
Institutional Sellers
(last 12 months)
137
Total
Institutional Outflows
(last 12 months)
$2.28B
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TMDX Institutional Buying and Selling by Quarter

TransMedics Group Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/4/2025 Osaic Holdings Inc.21,116$2.83M0.0%+48.5%0.062%
8/26/2025 Thrivent Financial for Lutherans24,879$3.33M0.0%+0.9%0.073%
8/19/2025 State of Wyoming565$76K0.0%N/A0.002%
8/19/2025 Liontrust Investment Partners LLP523,748$70.19M1.0%-5.5%1.536%
8/19/2025 Pitcairn Co.4,812$645K0.0%-15.8%0.014%
8/18/2025 Caxton Associates LLP1,808$242K0.0%N/A0.005%
8/16/2025 Public Sector Pension Investment Board115,335$15.46M0.1%+8.3%0.338%
8/16/2025 Evergreen Capital Management LLC2,261$303K0.0%N/A0.007%
8/15/2025 Tower Research Capital LLC TRC 3,590$481K0.0%+744.7%0.011%
8/15/2025 Sugar Maple Asset Management LLC4,000$536K0.4%-63.6%0.012%
8/15/2025 Corient Private Wealth LLC4,582$614K0.0%N/A0.013%
8/15/2025 State of Tennessee Department of Treasury14,286$1.91M0.0%+72.8%0.042%
8/15/2025 Captrust Financial Advisors1,834$246K0.0%N/A0.005%
8/15/2025 Truefg LLC1,500$201K0.1%N/A0.004%
8/15/2025 Wasatch Advisors LP335,326$44.94M0.2%-26.0%0.984%
8/15/2025 Two Sigma Securities LLC5,257$704K0.1%+54.9%0.015%
8/15/2025 Smartleaf Asset Management LLC548$72K0.0%+24.5%0.002%
8/15/2025 MML Investors Services LLC8,598$1.15M0.0%+26.3%0.025%
8/15/2025 Man Group plc24,642$3.30M0.0%-98.8%0.072%
8/15/2025 Militia Capital Partners LP10,000$1.34M0.6%N/A0.029%
8/15/2025 Lazard Asset Management LLC18,579$2.49M0.0%-59.5%0.054%
8/15/2025 Gilder Gagnon Howe & Co. LLC6,775$908K0.0%+15.6%0.020%
8/15/2025 Eventide Asset Management LLC547,355$73.34M1.3%-19.3%1.606%
8/15/2025 Engineers Gate Manager LP41,117$5.51M0.1%+219.3%0.121%
8/15/2025 Beaconlight Capital LLC21,524$2.88M1.6%N/A0.063%
8/15/2025 Braidwell LP255,048$34.18M1.2%-70.2%0.748%
8/15/2025 Bellevue Group AG130,517$17.49M0.4%-24.9%0.383%
8/15/2025 Brevan Howard Capital Management LP10,351$1.39M0.0%N/A0.030%
8/15/2025 Bank of America Corp DE217,408$29.14M0.0%-22.0%0.638%
8/15/2025 Ameriprise Financial Inc.102,091$13.68M0.0%+3.4%0.299%
8/14/2025 California State Teachers Retirement System30,828$4.13M0.0%+1.0%0.090%
8/14/2025 Canada Pension Plan Investment Board3,600$482K0.0%+2.9%0.011%
8/14/2025 Bayesian Capital Management LP6,200$831K0.1%-47.7%0.018%
8/14/2025 Occudo Quantitative Strategies LP4,911$658K0.1%N/A0.014%
8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.32,724$4.39M0.0%+67.6%0.096%
8/14/2025 The Manufacturers Life Insurance Company 16,394$2.20M0.0%-6.8%0.048%
8/14/2025 Frontier Capital Management Co. LLC73,397$9.84M0.1%-45.5%0.215%
8/14/2025 NewEdge Advisors LLC11,312$1.52M0.0%-51.4%0.033%
8/14/2025 Next Century Growth Investors LLC119,756$16.05M1.2%N/A0.351%
8/14/2025 iSAM Funds UK Ltd2,770$371K0.1%N/A0.008%
8/14/2025 Divisadero Street Capital Management LP38,390$5.15M0.3%-66.3%0.113%
8/14/2025 WINTON GROUP Ltd13,373$1.79M0.1%-59.2%0.039%
8/14/2025 Hood River Capital Management LLC679,847$91.11M1.3%-14.6%1.994%
8/14/2025 Cerity Partners LLC2,055$275K0.0%N/A0.006%
8/13/2025 Jump Financial LLC21,800$2.92M0.0%N/A0.064%
8/13/2025 Bosun Asset Management LLC7,072$948K0.3%N/A0.021%
8/13/2025 Amundi5,526$706K0.0%N/A0.016%
8/13/2025 Marshall Wace LLP546,787$73.28M0.1%+258.7%1.604%
8/13/2025 Brown Capital Management LLC451,371$60.49M1.8%-3.6%1.324%
8/13/2025 Baird Financial Group Inc.20,472$2.74M0.0%N/A0.060%
8/13/2025 First Trust Advisors LP43,393$5.82M0.0%N/A0.127%
8/13/2025 EverSource Wealth Advisors LLC485$65K0.0%+72.0%0.001%
8/13/2025 Trek Financial LLC29,255$3.92M0.3%N/A0.086%
8/13/2025 PharVision Advisers LLC1,970$264K0.4%N/A0.006%
8/13/2025 M&T Bank Corp1,557$209K0.0%N/A0.005%
8/13/2025 New York State Common Retirement Fund149,646$20.05M0.0%-93.1%0.439%
8/13/2025 F m Investments LLC53,328$7.15M0.3%+2.8%0.156%
8/13/2025 Norges Bank40,274$5.40M0.0%N/A0.118%
8/13/2025 Quadrature Capital Ltd8,907$1.19M0.0%N/A0.026%
8/13/2025 Hsbc Holdings PLC3,231$432K0.0%-15.1%0.009%
8/13/2025 Capital Fund Management S.A.26,130$3.50M0.0%-89.6%0.077%
8/13/2025 State Board of Administration of Florida Retirement System8,248$1.11M0.0%+6.4%0.024%
8/13/2025 Elevation Point Wealth Partners LLC360$48K0.0%N/A0.001%
8/13/2025 Integrity Investment Advisors LLC3,422$459K0.4%N/A0.010%
8/13/2025 Quadrant Capital Group LLC7,612$1.02M0.0%+2.5%0.022%
8/13/2025 RiverPark Advisors LLC963$129K0.1%N/A0.003%
8/13/2025 Russell Investments Group Ltd.7,901$1.06M0.0%+13.5%0.023%
8/12/2025 XTX Topco Ltd15,698$2.10M0.1%-18.8%0.046%
8/12/2025 Bullseye Asset Management LLC24,061$3.23M1.6%-49.6%0.071%
8/12/2025 Ameritas Investment Partners Inc.3,394$455K0.0%+4.4%0.010%
8/12/2025 Prudential Financial Inc.35,951$4.82M0.0%+9.4%0.105%
8/12/2025 Rhumbline Advisers93,217$12.49M0.0%+4.1%0.273%
8/12/2025 Franklin Resources Inc.14,842$1.99M0.0%+1.0%0.044%
8/12/2025 Legal & General Group Plc92,524$12.40M0.0%-0.2%0.271%
8/12/2025 JPMorgan Chase & Co.464,241$62.21M0.0%-76.7%1.362%
8/12/2025 DNB Asset Management AS9,904$1.33M0.0%-78.9%0.029%
8/12/2025 Swiss National Bank61,100$8.19M0.0%-6.0%0.179%
8/12/2025 Handelsbanken Fonder AB9,800$1.31M0.0%-1.0%0.029%
8/12/2025 Bank Julius Baer & Co. Ltd Zurich4,340$582K0.0%-18.7%0.013%
8/12/2025 Ensign Peak Advisors Inc97,781$13.10M0.0%-9.1%0.287%
8/11/2025 TD Waterhouse Canada Inc.475$62K0.0%-20.8%0.001%
8/11/2025 Intrust Bank NA5,577$747K0.1%N/A0.016%
8/11/2025 Semanteon Capital Management LP11,231$1.51M2.3%N/A0.033%
8/8/2025 Intech Investment Management LLC34,389$4.61M0.0%+28.9%0.101%
8/8/2025 Cetera Investment Advisers6,325$848K0.0%+56.8%0.019%
8/8/2025 Creative Planning18,597$2.49M0.0%+60.3%0.055%
8/8/2025 SG Americas Securities LLC3,938$528K0.0%-72.1%0.012%
8/8/2025 Meridian Wealth Management LLC1,502$201K0.0%N/A0.004%
8/8/2025 Commonwealth of Pennsylvania Public School Empls Retrmt SYS8,687$1.16M0.0%+8.2%0.025%
8/8/2025 Foundations Investment Advisors LLC2,563$343K0.0%N/A0.008%
8/8/2025 Police & Firemen s Retirement System of New Jersey7,524$1.01M0.0%+3.9%0.022%
8/8/2025 Geode Capital Management LLC804,650$107.85M0.0%+1.4%2.360%
8/8/2025 PNC Financial Services Group Inc.3,035$407K0.0%+32.3%0.009%
8/8/2025 KBC Group NV970$130K0.0%-99.4%0.003%
8/8/2025 SBI Securities Co. Ltd.5,487$735K0.0%+48.9%0.016%
8/7/2025 Verus Capital Partners LLC1,654$222K0.0%N/A0.005%
8/7/2025 CENTRAL TRUST Co550$74K0.0%-26.7%0.002%
8/7/2025 49 Wealth Management LLC1,757$235K0.0%N/A0.005%
8/7/2025 Americana Partners LLC1,500$201K0.0%N/A0.004%
8/7/2025 ProShare Advisors LLC7,601$1.02M0.0%-3.9%0.022%
(Data available from 1/1/2016 forward)

TMDX Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of TMDX shares?

During the previous two years, 383 institutional investors and hedge funds held shares of TransMedics Group. The most heavily invested institutionals were FMR LLC ($258.14M), Vanguard Group Inc. ($240.53M), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($209.45M), Geode Capital Management LLC ($107.85M), Hood River Capital Management LLC ($91.11M), Eventide Asset Management LLC ($73.34M), and Marshall Wace LLP ($73.28M).Learn more on TransMedics Group's institutional investors.

What percentage of TransMedics Group's stock is owned by institutional investors?

99.67% of TransMedics Group's stock is owned by institutional investors. Learn more on TMDX's institutional investor holdings.

Which institutional investors have been buying TransMedics Group's stock?

Of the 332 institutional investors that purchased TransMedics Group's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($2.34M), FMR LLC ($1.41M), Braidwell LP ($1.23M), Eventide Asset Management LLC ($927.06K), Mackenzie Financial Corp ($803.02K), Wasatch Advisors LP ($635.57K), and Norges Bank ($406.94K).

How much institutional buying is happening at TransMedics Group?

Institutional investors have bought a total of 10,061,193 shares in the last 24 months. This purchase volume represents approximately $818.69M in transactions.

Which of TransMedics Group's major shareholders have been selling company stock?

Of the 137 institutional investors that sold TransMedics Group's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Voya Investment Management LLC ($11.32M), Man Group plc ($2.08M), New York State Common Retirement Fund ($2.06M), JPMorgan Chase & Co. ($1.53M), ArrowMark Colorado Holdings LLC ($861.37K), Schroder Investment Management Group ($846.31K), and Driehaus Capital Management LLC ($681.37K).

How much institutional selling is happening at TransMedics Group?

Institutional investors have sold a total of 25,987,422 shares in the last 24 months. This volume of shares sold represents approximately $2.28B in transactions.


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This page (NASDAQ:TMDX) was last updated on 9/20/2025 by MarketBeat.com Staff
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