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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 2022

Institutional positions in TransMedics Group, Inc. as of Mar 31, 2022. 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
110
−10 vs. Q4 2021
Shares held
20.9M
+774.5K (+3.9%) vs. Q4 2021
Total value
$561.4M
+$176.7M (+45.9%) vs. Q4 2021
New holders
17
38 more added
Sold out
27
34 more reduced

1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: 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 holdersQ1 2022: 110 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 2022: $561.4M
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 2022

Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q4 2021.

Institutions holding TMDX in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC4,195,168$113.0M0.01%+29,922+0.7%Added
Macquarie Group Ltd2,076,736$55.9M0.05%+425,450+25.8%Added
Sandhill Capital Partners LLC1,910,742$51.5M4.42%+105,224+5.8%Added
BlackRock Inc.1,892,150$51.0M0.00%−8,789−0.5%Reduced
Credit Suisse AG1,517,527$40.9M0.04%+1,159+0.1%Added
Vanguard Group Inc1,326,906$35.7M0.00%−3,613−0.3%Reduced
State Street Corp669,544$18.0M0.00%−148,896−18.2%Reduced
Bank of New York Mellon Corp589,822$15.9M0.00%−46,069−7.2%Reduced
Bellevue Group AG581,029$15.7M0.18%00.0%Unchanged
Kornitzer Capital Management Inc512,284$13.8M0.23%+45,000+9.6%Added
Geode Capital Management, LLC483,298$13.0M0.00%+27,858+6.1%Added
Portolan Capital Management, LLC379,859$10.2M0.82%+379,859New
AXA S.A.345,386$9.30M0.03%−18,567−5.1%Reduced
Next Century Growth Investors LLC343,661$9.26M0.92%+181,842+112.4%Added
Dimensional Fund Advisors LP305,553$8.23M0.00%−53,996−15.0%Reduced
Emerald Advisers, LLC280,953$7.57M0.29%+36,137+14.8%Added
FIL Ltd279,194$7.52M0.01%+279,194New
Northern Trust Corp274,407$7.39M0.00%−10,433−3.7%Reduced
Emerald Mutual Fund Advisers Trust272,405$7.34M0.32%−28,087−9.3%Reduced
Silvercrest Asset Management Group LLC268,753$7.24M0.05%+2,522+0.9%Added
Charles Schwab Investment Management Inc200,853$5.41M0.00%+8,121+4.2%Added
Kent Lake Capital LLC200,000$5.39M3.35%+200,000New
Moody Aldrich Partners LLC188,321$5.07M0.71%+22,243+13.4%Added
Bank of America Corp185,293$4.99M0.00%+24,285+15.1%Added
Bullseye Asset Management LLC117,031$3.15M1.45%00.0%Unchanged
Nuveen Asset Management, LLC106,326$2.46M0.00%−35,185−24.9%Reduced
Royce & Associates LP87,000$2.34M0.02%+26,000+42.6%Added
Essex Investment Management Co LLC86,223$2.32M0.29%+3,968+4.8%Added
Millrace Asset Group, Inc.73,257$1.97M1.43%−10,466−12.5%Reduced
Envestnet Asset Management Inc66,716$1.80M0.00%+12,480+23.0%Added
Federated Hermes, Inc.65,006$1.75M0.00%−7,805−10.7%Reduced
Taylor Wealth Management Partners64,899$1.75M0.71%−7,883−10.8%Reduced
Swiss National Bank59,100$1.59M0.00%+4,200+7.7%Added
Russell Investments Group, Ltd.55,380$1.49M0.00%+3,750+7.3%Added
Skylands Capital, LLC52,250$1.41M0.17%+1,050+2.1%Added
US Bancorp36,032$971.0K0.00%+61+0.2%Added
Baillie Gifford & Co35,179$948.0K0.00%+6,208+21.4%Added
UBS Asset Management Americas Inc32,741$882.0K0.00%+2,911+9.8%Added
California State Teachers Retirement System32,284$870.0K0.00%−2,884−8.2%Reduced
Susquehanna Fundamental Investments, LLC30,432$820.0K0.02%+10,121+49.8%Added
Goldman Sachs Group Inc26,179$705.0K0.00%+10,740+69.6%Added
Morgan Stanley25,546$688.0K0.00%−27,870−52.2%Reduced
Rhumbline Advisers25,205$679.0K0.00%+1,621+6.9%Added
State of Wisconsin Investment Board23,100$622.0K0.00%+7,600+49.0%Added
Glenmede Trust Co NA21,955$591.0K0.00%+450+2.1%Added
Alliancebernstein L.P.21,000$566.0K0.00%00.0%Unchanged
Wells Fargo & Company19,231$518.0K0.00%−8,860−31.5%Reduced
Boston Partners18,811$507.0K0.00%+2,251+13.6%Added
New York State Common Retirement Fund18,721$504.0K0.00%00.0%Unchanged
Deutsche Bank AG17,721$477.0K0.00%−28,244−61.4%Reduced
Principal Financial Group Inc17,150$462.0K0.00%−7,169−29.5%Reduced
Park Avenue Securities LLC16,945$456.0K0.01%+181+1.1%Added
MetLife Investment Management15,561$419.2K0.00%+6,307+68.2%Added
Nisa Investment Advisors, LLC15,100$407.0K0.00%+15,100New
Truist Financial Corp14,071$379.0K0.00%+4,004+39.8%Added
UBS Group AG13,643$367.0K0.00%−11,692−46.1%Reduced
Advisor Group Holdings, Inc.13,173$354.0K0.00%+948+7.8%Added
American International Group, Inc.12,868$347.0K0.00%−906−6.6%Reduced
Legal & General Group Plc12,871$347.0K0.00%00.0%Unchanged
JPMorgan Chase & Co12,767$343.0K0.00%+2,591+25.5%Added
Signature Wealth Management Partners, LLC12,200$329.0K0.28%+12,200New
Divisadero Street Capital Management, LP12,000$323.0K0.27%+12,000New
Susquehanna International Group, LLP11,244$303.0K0.00%+11,244New
Manufacturers Life Insurance Company, The11,036$297.3K0.00%−2,647−19.3%Reduced
Invesco Ltd.10,921$294.0K0.00%−252−2.3%Reduced
Montanaro Asset Management Ltd10,500$283.0K0.03%00.0%Unchanged
Voya Investment Management LLC10,341$278.0K0.00%+152+1.5%Added
State Board of Administration of Florida Retirement System10,193$275.0K0.00%00.0%Unchanged
Cetera Investment Advisers10,108$272.0K0.00%−1,292−11.3%Reduced
SEI Investments Co9,645$260.0K0.00%+9,645New
Oppenheimer & Co Inc9,540$257.0K0.00%+9,540New
HighTower Advisors, LLC9,278$250.0K0.00%+9,278New
American Portfolios Advisors8,921$240.3K0.01%−3,159−26.2%Reduced
Price T Rowe Associates Inc8,250$222.0K0.00%−178,013−95.6%Reduced
Henshaw Capital LLC7,878$212.2K0.01%+7,878New
Allspring Global Investments Holdings, LLC5,914$159.0K0.00%+720+13.9%Added
Captrust Financial Advisors5,788$156.0K0.00%+5,098+738.8%Added
Ensign Peak Advisors, Inc5,080$137.0K0.00%00.0%Unchanged
Financial Perspectives, Inc4,709$126.9K0.06%00.0%Unchanged
Sargent Bickham Lagudis LLC4,403$119.0K0.01%00.0%Unchanged
Barclays PLC4,322$116.0K0.00%−27,137−86.3%Reduced
Amalgamated Bank4,234$114.0K0.00%+4,234New
Amalgamated Financial Corp.4,234$114.0K0.00%+4,234New
BNP Paribas Arbitrage, SA2,293$61.8K0.00%−3,301−59.0%Reduced
Group One Trading, L.P.2,157$58.0K0.00%−1,494−40.9%Reduced
Ameritas Investment Partners, Inc.2,122$57.0K0.00%00.0%Unchanged
Howe & Rusling Inc2,000$54.0K0.01%00.0%Unchanged
Global Retirement Partners, LLC1,824$52.0K0.00%+1,824New
Metropolitan Life Insurance Co1,840$49.6K0.00%−6,307−77.4%Reduced
Citigroup Inc1,729$47.0K0.00%−5,304−75.4%Reduced
Royal Bank of Canada1,592$43.0K0.00%−3,553−69.1%Reduced
Harbor Investment Advisory, LLC1,532$41.0K0.01%00.0%Unchanged
Simplex Trading, LLC577$15.0K0.00%−1,999−77.6%Reduced
Rockefeller Capital Management L.P.585$15.0K0.00%−139−19.2%Reduced
Central Trust Co500$13.0K0.00%00.0%Unchanged
STRS Ohio500$13.0K0.00%00.0%Unchanged
Adirondack Trust Co460$12.0K0.01%+240+109.1%Added
Newbridge Financial Services Group, Inc.400$11.0K0.01%00.0%Unchanged
Tower Research Capital LLC (TRC)339$9.00K0.00%−1,843−84.5%Reduced
National Bank of Canada335$9.00K0.00%00.0%Unchanged