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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, Q1 2021

Institutional positions in TransMedics Group, Inc. as of Mar 31, 2021. 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
107
No complete 13F data for Q4 2020
Shares held
18.6M
No complete 13F data for Q4 2020
Total value
$773.0M
No complete 13F data for Q4 2020

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 holdersQ1 2021: 107 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 heldQ1 2021: $773.0M
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, Q1 2021

Shares, value and share of portfolio for each institution holding TransMedics Group, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding TMDX in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC3,900,819$161.8M0.01%––
BlackRock Inc.1,903,496$79.0M0.00%––
Credit Suisse AG1,502,767$62.4M0.05%––
Vanguard Group Inc1,212,995$50.3M0.00%––
Sandhill Capital Partners LLC1,197,339$49.7M4.21%––
Macquarie Group Ltd968,494$40.2M0.06%––
KPCB XIII Associates, LLC923,221$38.3M7.87%––
Bellevue Group AG742,200$30.8M0.33%––
Federated Hermes, Inc.605,117$25.1M0.05%––
Emerald Advisers, LLC604,975$25.1M0.91%––
Emerald Mutual Fund Advisers Trust600,639$24.9M0.83%––
State Street Corp522,320$21.7M0.00%––
Geode Capital Management, LLC406,956$16.9M0.00%––
Zimmer Partners, LP300,000$12.4M0.17%––
Northern Trust Corp286,748$11.9M0.00%––
AXA S.A.278,974$11.6M0.04%––
Invesco Ltd.263,937$11.0M0.00%––
Bank of New York Mellon Corp206,413$8.56M0.00%––
Nuveen Asset Management, LLC177,709$7.37M0.00%––
Charles Schwab Investment Management Inc166,303$6.90M0.00%––
Dimensional Fund Advisors LP147,669$6.13M0.00%––
Stephens Inc142,350$5.91M0.10%––
Morgan Stanley114,607$4.75M0.00%––
Bank of America Corp109,096$4.53M0.00%––
Bullseye Asset Management LLC107,471$4.46M1.67%––
Voloridge Investment Management, LLC106,413$4.42M0.03%––
Susquehanna International Group, LLP89,376$3.71M0.00%––
Essex Investment Management Co LLC83,063$3.45M0.42%––
Taylor Wealth Management Partners71,818$2.98M1.09%––
California Public Employees Retirement System51,100$2.12M0.00%––
King Luther Capital Management Corp49,605$2.06M0.01%––
Envestnet Asset Management Inc47,975$1.99M0.00%––
Jane Street Group, LLC47,422$1.97M0.01%––
JPMorgan Chase & Co41,908$1.74M0.00%––
California State Teachers Retirement System37,914$1.57M0.00%––
Two Sigma Investments, LP37,700$1.56M0.00%––
Goldman Sachs Group Inc34,869$1.45M0.00%––
Deutsche Bank AG30,540$1.27M0.00%––
Millennium Management LLC29,039$1.21M0.00%––
Rhumbline Advisers23,440$973.0K0.00%––
Alliancebernstein L.P.23,100$958.0K0.00%––
New York State Common Retirement Fund22,700$942.0K0.00%––
Barclays PLC21,019$872.0K0.00%––
M&T Bank Corp20,006$830.0K0.00%––
Belvedere Trading LLC18,821$781.0K0.35%––
Gladstone Institutional Advisory LLC18,570$770.0K0.12%––
Wells Fargo & Company16,417$681.0K0.00%––
Jump Financial, LLC15,804$656.0K0.06%––
Park Avenue Securities LLC15,715$652.0K0.02%––
Advisor Group Holdings, Inc.14,769$613.0K0.00%––
American International Group, Inc.14,654$608.0K0.00%––
Manufacturers Life Insurance Company, The14,244$591.0K0.00%––
Citadel Advisors LLC14,194$589.0K0.00%––
Signature Wealth Management Partners, LLC14,000$581.0K0.56%––
MetLife Investment Management12,219$507.0K0.00%––
Ameriprise Financial Inc11,757$488.0K0.00%––
Voya Investment Management LLC10,959$455.0K0.00%––
Captrust Financial Advisors10,333$429.0K0.00%––
HighTower Advisors, LLC10,275$426.0K0.00%––
Steward Partners Investment Advisory, LLC9,400$390.0K0.01%––
Squarepoint Ops LLC9,125$379.0K0.00%––
Truist Financial Corp8,965$372.0K0.00%––
Marshall Wace, LLP8,805$365.0K0.00%––
Raymond James & Associates8,595$357.0K0.00%––
Kovack Advisors, Inc.7,800$324.0K0.04%––
Metropolitan Life Insurance Co7,698$319.4K0.00%––
Group One Trading, L.P.7,663$318.0K0.01%––
Laidlaw Wealth Management LLC7,250$301.0K0.10%––
ProShare Advisors LLC6,719$279.0K0.00%––
Cetera Investment Advisers5,907$245.0K0.00%––
Principal Financial Group Inc5,363$223.0K0.00%––
SG Americas Securities, LLC5,343$222.0K0.00%––
Tower Research Capital LLC (TRC)4,945$206.0K0.00%––
Russell Investments Group, Ltd.4,646$192.0K0.00%––
Sargent Bickham Lagudis LLC4,403$183.0K0.02%––
Citigroup Inc3,787$157.0K0.00%––
UBS Group AG3,549$148.0K0.00%––
Cubist Systematic Strategies, LLC3,347$139.0K0.00%––
IFP Advisors, Inc3,252$135.0K0.00%––
BNP Paribas Arbitrage, SA3,214$133.3K0.00%––
Legal & General Group Plc2,740$114.0K0.00%––
The PNC Financial Services Group, Inc.2,550$106.0K0.00%––
Bank of Montreal3,314$106.0K0.00%––
Global Retirement Partners, LLC2,350$98.0K0.01%––
Ameritas Investment Partners, Inc.2,122$88.0K0.00%––
Howe & Rusling Inc2,000$83.0K0.01%––
Royal Bank of Canada1,739$72.0K0.00%––
American Portfolios Advisors1,672$69.4K0.00%––
Point72 Hong Kong Ltd1,548$64.0K0.01%––
O'Shaughnessy Asset Management, LLC1,318$55.0K0.00%––
Eaton Vance Management1,300$54.0K0.00%––
Harbor Investment Advisory, LLC887$37.0K0.01%––
Lazard Asset Management LLC797$33.0K0.00%––
Total Clarity Wealth Management, Inc.644$27.0K0.02%––
Central Trust Co500$21.0K0.00%––
Baillie Gifford & Co400$17.0K0.00%––
Rockefeller Capital Management L.P.433$17.0K0.00%––
Newbridge Financial Services Group, Inc.400$17.0K0.01%––
NEXT Financial Group, Inc388$16.0K0.00%––
Meeder Asset Management Inc346$14.0K0.00%––