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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.

13F holders, Q3 2024

Institutional positions in TransMedics Group, Inc. as of Sep 30, 2024. 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
374
+36 vs. Q2 2024
Shares held
36.7M
+5.52M (+17.7%) vs. Q2 2024
Total value
$5.74B
+$1.05B (+22.4%) vs. Q2 2024
New holders
77
136 more added
Sold out
41
122 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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.

Institutional holdersQ3 2024: 374 institutions
Q1 2021: 107 institutionsQ2 2021: 124 institutionsQ3 2021: 120 institutionsQ4 2021: 121 institutionsQ1 2022: 110 institutionsQ2 2022: 135 institutionsQ3 2022: 178 institutionsQ4 2022: 200 institutionsQ1 2023: 225 institutionsQ2 2023: 240 institutionsQ3 2023: 222 institutionsQ4 2023: 249 institutionsQ1 2024: 262 institutionsQ2 2024: 340 institutionsQ3 2024: 374 institutionsQ4 2024: 315 institutionsQ1 2025: 298 institutionsQ2 2025: 368 institutionsQ3 2025: 388 institutionsQ4 2025: 429 institutionsQ1 2026: 416 institutionsQ2 2026: 375 institutions
Value heldQ3 2024: $5.74B
Q1 2021: $773.0MQ2 2021: $623.5MQ3 2021: $636.5MQ4 2021: $384.7MQ1 2022: $561.4MQ2 2022: $719.7MQ3 2022: $1.18BQ4 2022: $1.79BQ1 2023: $2.26BQ2 2023: $2.73BQ3 2023: $1.91BQ4 2023: $2.76BQ1 2024: $2.52BQ2 2024: $5.09BQ3 2024: $5.74BQ4 2024: $2.30BQ1 2025: $2.63BQ2 2025: $4.93BQ3 2025: $4.17BQ4 2025: $4.53BQ1 2026: $3.63BQ2 2026: $2.31B
Institutions holding TMDX and their total value by quarter
QuarterHoldersValue
Q2 2026375$2.31B
Q1 2026416$3.63B
Q4 2025429$4.53B
Q3 2025388$4.17B
Q2 2025368$4.93B
Q1 2025298$2.63B
Q4 2024315$2.30B
Q3 2024374$5.74B
Q2 2024340$5.09B
Q1 2024262$2.52B
Q4 2023249$2.76B
Q3 2023222$1.91B
Q2 2023240$2.73B
Q1 2023225$2.26B
Q4 2022200$1.79B
Q3 2022178$1.18B
Q2 2022135$719.7M
Q1 2022110$561.4M
Q4 2021121$384.7M
Q3 2021120$636.5M
Q2 2021124$623.5M
Q1 2021107$773.0M

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q2 2024.

Institutions holding TMDX in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
US Bancorp2,005$314.8K0.00%+124+6.6%Added
Advisory Services Network, LLC2,090$314.8K0.01%00.0%Unchanged
Guggenheim Capital LLC2,048$321.5K0.00%+2,048New
Atria Investments LLC2,115$332.1K0.00%−107−4.8%Reduced
Xponance, Inc.2,116$332.2K0.00%+85+4.2%Added
Paloma Partners Management Co2,130$334.4K0.02%+2,130New
EntryPoint Capital, LLC2,145$336.8K0.19%+2,046+2,066.7%Added
Credit Agricole S A2,195$344.6K0.00%+2,195New
nVerses Capital, LLC2,200$345.4K0.16%+600+37.5%Added
Acadian Asset Management LLC2,248$352.0K0.00%+2,248New
Darden Wealth Group Inc2,315$363.5K0.26%+100+4.5%Added
Meridian Wealth Management, LLC2,326$365.2K0.02%−10−0.4%Reduced
Y-Intercept (Hong Kong) Ltd2,344$368.0K0.02%+2,344New
Corton Capital Inc.2,443$383.6K0.19%−57−2.3%Reduced
Total Clarity Wealth Management, Inc.2,492$391.2K0.13%+277+12.5%Added
Yarbrough Capital, LLC2,541$398.9K0.02%00.0%Unchanged
Simplex Trading, LLC2,583$405.0K0.01%−2,188−45.9%Reduced
Cambridge Investment Research Advisors, Inc.2,604$409.0K0.00%00.0%Unchanged
Kestra Advisory Services, LLC2,620$411.3K0.00%−1,294−33.1%Reduced
Cookson Peirce & Co Inc2,686$421.7K0.02%+813+43.4%Added
Alpha DNA Investment Management LLC2,752$432.1K0.24%−684−19.9%Reduced
Virtu Financial LLC2,778$436.0K0.02%+2,778New
Teachers Retirement System of the State of Kentucky2,790$438.0K0.00%00.0%Unchanged
STRS Ohio2,800$439.6K0.00%00.0%Unchanged
Teacher Retirement System of Texas2,890$454.0K0.00%+2,890New
Laurion Capital Management LP3,000$471.0K0.03%+3,000New
Prudential Financial Inc3,032$476.0K0.00%−60,477−95.2%Reduced
Ameritas Investment Partners, Inc.3,252$510.6K0.02%+83+2.6%Added
Aigen Investment Management, LP3,330$522.8K0.10%+3,330New
CIBC Private Wealth Group, LLC3,429$538.4K0.00%+2,779+427.5%Added
Cahill Wealth Management, LLC3,486$547.3K0.28%+771+28.4%Added
Glenmede Trust Co NA3,489$547.8K0.00%+81+2.4%Added
Neo Ivy Capital Management3,534$554.0K0.18%+3,534New
Wedbush Securities Inc3,677$577.0K0.02%+954+35.0%Added
RiverPark Advisors, LLC3,697$580.4K0.47%−765−17.1%Reduced
Public Employees Retirement Association of Colorado3,726$585.0K0.00%00.0%Unchanged
Occudo Quantitative Strategies LP3,847$604.0K0.11%−2,548−39.8%Reduced
Wealth Enhancement Advisory Services, LLC3,919$615.3K0.00%−361−8.4%Reduced
Pitcairn Co3,993$626.9K0.04%−2,063−34.1%Reduced
Lakeview Capital Partners, LLC4,030$632.7K0.10%−552−12.0%Reduced
Truist Financial Corp4,055$636.6K0.00%−218−5.1%Reduced
MML Investors Services, LLC4,123$647.0K0.00%+2,407+140.3%Added
Chartwell Investment Partners, LLC4,219$662.0K0.02%+4,219New
Harbour Capital Advisors, LLC4,841$664.1K0.15%+81+1.7%Added
TD Waterhouse Canada Inc.4,598$669.3K0.01%+4,548+9,096.0%Added
Intrust Bank NA4,339$681.2K0.07%+174+4.2%Added
Blueshift Asset Management, LLC4,343$681.9K0.17%+537+14.1%Added
Graham Capital Management, L.P.4,360$684.5K0.02%+4,360New
The PNC Financial Services Group, Inc.4,364$685.1K0.00%−326−7.0%Reduced
DnB Asset Management AS4,381$687.8K0.00%+2,935+203.0%Added
Envestnet Portfolio Solutions, Inc.4,404$691.4K0.00%−322−6.8%Reduced
Victory Capital Management Inc4,569$717.3K0.00%+464+11.3%Added
Perigon Wealth Management, LLC4,570$717.5K0.02%+1,229+36.8%Added
Millrace Asset Group, Inc.4,611$724.0K0.74%−57−1.2%Reduced
Pictet Asset Management Holding SA4,708$739.7K0.00%+562+13.6%Added
Catalyst Capital Advisors LLC4,800$753.6K0.02%−1,725−26.4%Reduced
HighPoint Advisor Group LLC9,186$756.9K0.04%+881+10.6%Added
Bridgewater Associates, LP4,872$764.9K0.00%−17,324−78.1%Reduced
Mutual of America Capital Management LLC4,995$784.2K0.01%+4,995New
Abundance Wealth Counselors5,001$785.0K0.16%−60−1.2%Reduced
Matisse Capital5,000$785.0K0.38%+2,000+66.7%Added
Schonfeld Strategic Advisors LLC5,155$809.3K0.01%+5,155New
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main5,204$817.0K0.00%00.0%Unchanged
Morse Asset Management, Inc5,241$822.8K0.18%+5,241New
Numerai GP LLC5,411$849.5K0.23%+5,411New
HB Wealth Management, LLC5,460$857.2K0.01%+3,352+159.0%Added
Bank Julius Baer & Co. Ltd, Zurich4,710$876.7K0.00%−552−10.5%Reduced
Values First Advisors, Inc.5,769$905.8K0.49%−3,299−36.4%Reduced
Henshaw Capital LLC5,875$922.4K0.04%00.0%Unchanged
Marex Group plc6,000$942.0K0.02%00.0%Unchanged
ProShare Advisors LLC6,194$972.5K0.00%+1,815+41.4%Added
Courier Capital LLC6,655$1.04M0.07%00.0%Unchanged
B. Metzler seel. Sohn & Co. Holding AG6,744$1.06M0.01%+6,744New
B. Metzler seel. Sohn & Co. AG6,744$1.06M0.01%+6,744New
Campbell & CO Investment Adviser LLC6,802$1.07M0.08%+4,985+274.4%Added
Valmark Advisers, Inc.6,803$1.07M0.02%−52−0.8%Reduced
Wakefield Asset Management LLLP6,859$1.08M0.35%−106−1.5%Reduced
AXA S.A.7,364$1.16M0.00%−91,146−92.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)7,396$1.16M0.00%00.0%Unchanged
Stifel Financial Corp7,424$1.17M0.00%−143−1.9%Reduced
Cetera Investment Advisers7,626$1.20M0.00%−1,079−12.4%Reduced
New York State Teachers Retirement System7,749$1.22M0.00%+7,749New
State Board of Administration of Florida Retirement System7,823$1.23M0.00%00.0%Unchanged
Danske Bank A/S7,864$1.23M0.00%+7,864New
Oregon Public Employees Retirement Fund7,900$1.24M0.02%+7,900New
Sapient Capital LLC7,904$1.24M0.02%+7,904New
Wolverine Trading, LLC8,020$1.28M0.03%+6,457+413.1%Added
SG Americas Securities, LLC8,359$1.31M0.00%−12,830−60.6%Reduced
Commonwealth Equity Services, LLC8,445$1.33M0.00%+1,948+30.0%Added
SlateStone Wealth, LLC8,458$1.33M0.12%+2,777+48.9%Added
Park Avenue Securities LLC8,475$1.33M0.01%−81−0.9%Reduced
Atria Wealth Solutions, Inc.8,669$1.36M0.01%+1,701+24.4%Added
Clough Capital Partners L P8,705$1.37M0.14%+8,705New
Congress Wealth Management LLC8,743$1.37M0.02%+70+0.8%Added
Harbor Capital Advisors, Inc.8,964$1.41M0.06%+2,916+48.2%Added
AQR Capital Management LLC9,169$1.44M0.00%+6,154+204.1%Added
Verition Fund Management LLC9,227$1.45M0.01%−4,858−34.5%Reduced
Private Advisor Group, LLC9,278$1.46M0.01%−739−7.4%Reduced
Polar Capital Holdings Plc9,477$1.49M0.01%+9,477New
Arizona State Retirement System9,484$1.49M0.01%+326+3.6%Added