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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, Q2 2022

Institutional positions in TransMedics Group, Inc. as of Jun 30, 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
135
+27 vs. Q1 2022
Shares held
22.9M
+2.05M (+9.8%) vs. Q1 2022
Total value
$719.7M
+$159.2M (+28.4%) vs. Q1 2022
New holders
33
38 more added
Sold out
6
40 more reduced

2 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: 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 holdersQ2 2022: 135 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 heldQ2 2022: $719.7M
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, Q2 2022

Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q1 2022.

Institutions holding TMDX in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Sargent Bickham Lagudis LLC4,403$138.0K0.01%00.0%Unchanged
Amalgamated Bank4,210$132.0K0.00%−24−0.6%Reduced
UBS Group AG3,654$115.0K0.00%−9,989−73.2%Reduced
Citigroup Inc2,399$75.0K0.00%+670+38.8%Added
Prospera Financial Services Inc2,198$69.0K0.00%+2,198New
Ameritas Investment Partners, Inc.2,122$66.0K0.00%00.0%Unchanged
Howe & Rusling Inc2,000$63.0K0.01%00.0%Unchanged
Metropolitan Life Insurance Co1,840$57.9K0.00%00.0%Unchanged
Allspring Global Investments Holdings, LLC1,655$52.0K0.00%−4,259−72.0%Reduced
Global Retirement Partners, LLC1,524$48.0K0.00%−300−16.4%Reduced
Harbor Investment Advisory, LLC1,532$48.0K0.01%00.0%Unchanged
Barclays PLC1,350$42.0K0.00%−2,972−68.8%Reduced
Tower Research Capital LLC (TRC)1,155$36.0K0.00%+816+240.7%Added
FNY Investment Advisers, LLC990$31.0K0.02%+990New
Captrust Financial Advisors788$25.0K0.00%−5,000−86.4%Reduced
Rise Advisors, LLC579$18.0K0.02%+579New
Central Trust Co550$17.0K0.00%+50+10.0%Added
Rockefeller Capital Management L.P.509$15.0K0.00%−76−13.0%Reduced
STRS Ohio500$15.0K0.00%00.0%Unchanged
Adirondack Trust Co460$14.0K0.01%00.0%Unchanged
Newbridge Financial Services Group, Inc.400$13.0K0.01%00.0%Unchanged
National Bank of Canada335$11.0K0.00%00.0%Unchanged
Total Clarity Wealth Management, Inc.334$11.0K0.01%+334New
Lindbrook Capital, LLC318$10.0K0.00%+7+2.3%Added
IFP Advisors, Inc300$7.00K0.00%00.0%Unchanged
Cutler Group LP234$7.00K0.00%00.0%Unchanged
Signaturefd, LLC194$6.00K0.00%00.0%Unchanged
CWM, LLC191$6.00K0.00%+137+253.7%Added
Royal Bank of Canada151$5.00K0.00%−1,441−90.5%Reduced
Clearstead Advisors, LLC150$5.00K0.00%00.0%Unchanged
City State Bank100$3.00K0.00%00.0%Unchanged
First Horizon Advisors, Inc.58$1.00K0.00%+58New
Capital Advisors, Ltd. LLC11$00.00%00.0%Unchanged
BerganKDV Wealth Management, LLC10$00.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co5$00.00%+5New
Portolan Capital Management, LLC0$00.00%−379,859−100.0%Sold out
Skylands Capital, LLC0$00.00%−52,250−100.0%Sold out
Divisadero Street Capital Management, LP0$00.00%−12,000−100.0%Sold out
Group One Trading, L.P.0$00.00%−2,157−100.0%Sold out
Simplex Trading, LLC0$00.00%−577−100.0%Sold out
Brown Brothers Harriman & Co0$00.00%−200−100.0%Sold out
Susquehanna Fundamental Investments, LLC––––Not filed
Amalgamated Financial Corp.––––Not filed