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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 2021

Institutional positions in TransMedics Group, Inc. as of Jun 30, 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
124
+17 vs. Q1 2021
Shares held
18.8M
+161.4K (+0.9%) vs. Q1 2021
Total value
$623.5M
−$149.5M (−19.3%) vs. Q1 2021
New holders
30
35 more added
Sold out
13
41 more reduced

Compare with Q1 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 holdersQ2 2021: 124 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 2021: $623.5M
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 2021

Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q1 2021.

Institutions holding TMDX in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Hantz Financial Services, Inc.15$00.00%+15New
BerganKDV Wealth Management, LLC10$00.00%+10New
Signaturefd, LLC23$1.00K0.00%−91−79.8%Reduced
US Bancorp50$2.00K0.00%+12+31.6%Added
CWM, LLC54$2.00K0.00%00.0%Unchanged
Federated Hermes, Inc.131$4.00K0.00%−604,986−100.0%Reduced
Gemmer Asset Management LLC120$4.00K0.00%+120New
Clearstead Advisors, LLC150$5.00K0.00%00.0%Unchanged
Sandy Spring Bank153$5.00K0.00%+100+188.7%Added
Lindbrook Capital, LLC225$7.00K0.00%00.0%Unchanged
Meeder Asset Management Inc285$9.00K0.00%−61−17.6%Reduced
Point72 Hong Kong Ltd297$10.0K0.00%−1,251−80.8%Reduced
Baillie Gifford & Co400$13.0K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.400$13.0K0.01%00.0%Unchanged
Rockefeller Capital Management L.P.433$14.0K0.00%00.0%Unchanged
Central Trust Co500$17.0K0.00%00.0%Unchanged
Cubist Systematic Strategies, LLC677$22.0K0.00%−2,670−79.8%Reduced
Captrust Financial Advisors690$23.0K0.00%−9,643−93.3%Reduced
American Portfolios Advisors854$28.3K0.00%−818−48.9%Reduced
BNP Paribas Arbitrage, SA877$29.1K0.00%−2,337−72.7%Reduced
ACT Capital Management, LLC1,000$33.0K0.02%+1,000New
Harbor Investment Advisory, LLC1,172$39.0K0.01%+285+32.1%Added
Eaton Vance Management1,300$43.0K0.00%00.0%Unchanged
O'Shaughnessy Asset Management, LLC1,318$44.0K0.00%00.0%Unchanged
Citigroup Inc1,859$62.0K0.00%−1,928−50.9%Reduced
Howe & Rusling Inc2,000$66.0K0.01%00.0%Unchanged
Barrett Asset Management, LLC2,000$66.0K0.00%+2,000New
Ameritas Investment Partners, Inc.2,122$70.0K0.00%00.0%Unchanged
UBS Group AG2,350$78.0K0.00%−1,199−33.8%Reduced
Cutler Group LP2,438$80.0K0.01%+2,438New
The PNC Financial Services Group, Inc.2,550$85.0K0.00%00.0%Unchanged
Financial Perspectives, Inc3,229$107.1K0.05%+3,229New
Barclays PLC3,333$110.0K0.00%−17,686−84.1%Reduced
Advisory Services Network, LLC3,553$118.0K0.00%+3,553New
Group One Trading, L.P.3,575$119.0K0.00%−4,088−53.3%Reduced
Tower Research Capital LLC (TRC)3,632$121.0K0.00%−1,313−26.6%Reduced
Legal & General Group Plc3,795$126.0K0.00%+1,055+38.5%Added
Global Retirement Partners, LLC4,267$142.0K0.01%+1,917+81.6%Added
Royal Bank of Canada4,318$144.0K0.00%+2,579+148.3%Added
Sargent Bickham Lagudis LLC4,403$146.0K0.01%00.0%Unchanged
Quantbot Technologies LP4,600$152.0K0.01%+4,600New
NEXT Financial Group, Inc4,695$156.0K0.01%+4,307+1,110.1%Added
IFP Advisors, Inc5,024$167.0K0.00%+1,772+54.5%Added
Henshaw Capital LLC6,063$201.2K0.01%+6,063New
Walleye Trading LLC6,439$214.0K0.01%+6,439New
Ameriprise Financial Inc6,512$216.0K0.00%−5,245−44.6%Reduced
Arizona State Retirement System6,696$222.0K0.00%+6,696New
Schonfeld Strategic Advisors LLC6,700$222.0K0.00%+6,700New
ProShare Advisors LLC6,728$223.0K0.00%+9+0.1%Added
Kovack Advisors, Inc.7,300$242.0K0.03%−500−6.4%Reduced
Summit Global Investments7,700$255.0K0.02%+7,700New
Montanaro Asset Management Ltd7,850$260.0K0.03%+7,850New
Metropolitan Life Insurance Co8,147$270.3K0.00%+449+5.8%Added
Steward Partners Investment Advisory, LLC8,400$279.0K0.00%−1,000−10.6%Reduced
Truist Financial Corp8,653$287.0K0.00%−312−3.5%Reduced
HRT Financial LP8,741$290.0K0.00%+8,741New
Invesco Ltd.9,196$305.0K0.00%−254,741−96.5%Reduced
Wells Fargo & Company9,408$313.0K0.00%−7,009−42.7%Reduced
Old Mission Capital LLC9,888$328.0K0.01%+9,888New
JPMorgan Chase & Co10,023$332.0K0.00%−31,885−76.1%Reduced
Ergoteles LLC10,000$332.0K0.01%+10,000New
SG3 Management, LLC10,000$332.0K0.14%+10,000New
HighTower Advisors, LLC10,148$333.0K0.00%−127−1.2%Reduced
State Board of Administration of Florida Retirement System10,193$338.0K0.00%+10,193New
Cetera Investment Advisers10,389$345.0K0.01%+4,482+75.9%Added
Voya Investment Management LLC10,426$346.0K0.00%−533−4.9%Reduced
Virtu Financial LLC10,550$350.0K0.03%+10,550New
MetLife Investment Management12,219$405.4K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.12,629$419.0K0.00%−2,140−14.5%Reduced
Signature Wealth Management Partners, LLC14,000$465.0K0.42%00.0%Unchanged
American International Group, Inc.14,523$482.0K0.00%−131−0.9%Reduced
Manufacturers Life Insurance Company, The14,812$491.0K0.00%+568+4.0%Added
Park Avenue Securities LLC15,147$503.0K0.01%−568−3.6%Reduced
Gladstone Institutional Advisory LLC15,470$513.0K0.06%−3,100−16.7%Reduced
Man Group plc18,599$617.0K0.00%+18,599New
Triumph Capital Management20,051$622.0K0.36%+20,051New
Simplex Trading, LLC20,350$675.0K0.02%+20,350New
Squarepoint Ops LLC20,943$695.0K0.01%+11,818+129.5%Added
Morgan Stanley22,513$747.0K0.00%−92,094−80.4%Reduced
Rhumbline Advisers22,789$756.0K0.00%−651−2.8%Reduced
New York State Common Retirement Fund22,905$760.0K0.00%+205+0.9%Added
Alliancebernstein L.P.23,100$766.0K0.00%00.0%Unchanged
UBS Asset Management Americas Inc23,781$789.1K0.00%+23,781New
Cinctive Capital Management LP24,000$796.0K0.04%+24,000New
Goldman Sachs Group Inc25,367$842.0K0.00%−9,502−27.3%Reduced
Bridgewater Associates, LP29,205$969.0K0.01%+29,205New
M&T Bank Corp33,506$1.11M0.00%+13,500+67.5%Added
Jane Street Group, LLC35,031$1.16M0.00%−12,391−26.1%Reduced
California State Teachers Retirement System35,722$1.19M0.00%−2,192−5.8%Reduced
Deutsche Bank AG36,249$1.20M0.00%+5,709+18.7%Added
Principal Financial Group Inc39,045$1.30M0.00%+33,682+628.0%Added
Susquehanna International Group, LLP41,156$1.37M0.00%−48,220−54.0%Reduced
Envestnet Asset Management Inc47,570$1.58M0.00%−405−0.8%Reduced
Voloridge Investment Management, LLC53,077$1.76M0.01%−53,336−50.1%Reduced
Swiss National Bank54,300$1.80M0.00%+54,300New
King Luther Capital Management Corp71,575$2.38M0.01%+21,970+44.3%Added
Taylor Wealth Management Partners72,685$2.41M0.85%+867+1.2%Added
Bank of New York Mellon Corp75,282$2.50M0.00%−131,131−63.5%Reduced
Essex Investment Management Co LLC76,347$2.53M0.29%−6,716−8.1%Reduced
Citadel Advisors LLC76,734$2.55M0.00%+62,540+440.6%Added