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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 2023

Institutional positions in TransMedics Group, Inc. as of Mar 31, 2023. 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
225
+25 vs. Q4 2022
Shares held
29.9M
+914.4K (+3.2%) vs. Q4 2022
Total value
$2.26B
+$476.2M (+26.6%) vs. Q4 2022
New holders
40
81 more added
Sold out
15
79 more reduced

Compare with Q4 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 holdersQ1 2023: 225 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 2023: $2.26B
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 2023

Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q4 2022.

Institutions holding TMDX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd3$00.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co5$3790.00%+5New
Bell Investment Advisors, Inc12$9090.00%00.0%Unchanged
Point72 Middle East FZE21$1.59K0.00%−341−94.2%Reduced
Allworth Financial LP21$1.59K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC32$2.00K0.00%00.0%Unchanged
Ellevest, Inc.30$2.27K0.00%+11+57.9%Added
Venturi Wealth Management, LLC30$2.27K0.00%+30New
Private Trust Co NA57$4.32K0.00%+57New
The PNC Financial Services Group, Inc.86$6.51K0.00%+86New
TCI Wealth Advisors, Inc.88$6.67K0.00%+88New
Truvestments Capital LLC90$6.82K0.00%+90New
WR Wealth Planners, LLC100$7.57K0.00%+100New
Oliver Lagore Vanvalin Investment Group105$7.95K0.00%+21+25.0%Added
City State Bank100$8.00K0.00%00.0%Unchanged
Hanseatic Management Services Inc119$9.00K0.02%00.0%Unchanged
Quadrant Capital Group LLC148$11.2K0.00%+114+335.3%Added
National Bank of Canada150$11.4K0.00%−115−43.4%Reduced
Clearstead Advisors, LLC150$11.4K0.00%00.0%Unchanged
CWM, LLC169$13.0K0.00%−55−24.6%Reduced
Parallel Advisors, LLC179$13.6K0.00%−50−21.8%Reduced
Householder Group Estate & Retirement Specialist, LLC200$15.0K0.01%+200New
Signaturefd, LLC224$17.0K0.00%+30+15.5%Added
North Star Investment Management Corp.250$18.9K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.300$22.7K0.01%−100−25.0%Reduced
Walleye Trading LLC329$24.9K0.00%+173+110.9%Added
Lindbrook Capital, LLC339$25.7K0.00%+1+0.3%Added
Oakworth Capital, Inc.412$31.2K0.00%00.0%Unchanged
Adirondack Trust Co460$34.8K0.02%00.0%Unchanged
Ancora Advisors, LLC500$37.9K0.00%+500New
Lazard Asset Management LLC530$40.0K0.00%+530New
First Horizon Advisors, Inc.544$41.2K0.00%+169+45.1%Added
Central Trust Co550$41.7K0.00%00.0%Unchanged
Belpointe Asset Management LLC558$42.3K0.00%+190+51.6%Added
Rise Advisors, LLC579$43.8K0.03%00.0%Unchanged
Tower Research Capital LLC (TRC)593$45.0K0.00%−3,995−87.1%Reduced
MCF Advisors LLC611$46.3K0.00%−184−23.1%Reduced
Dark Forest Capital Management LP668$50.6K0.01%+668New
Tucker Asset Management LLC823$62.3K0.02%+823New
Point72 Asset Management, L.P.1,100$83.3K0.00%+1,100New
Harbor Investment Advisory, LLC1,166$88.3K0.01%−229−16.4%Reduced
Leonteq Securities AG1,229$93.1K0.01%00.0%Unchanged
Metropolitan Life Insurance Co1,636$123.9K0.01%−204−11.1%Reduced
Lagoda Investment Management, L.P.1,800$136.3K0.10%+1,800New
Citigroup Inc2,339$177.1K0.00%+1,134+94.1%Added
Ameritas Investment Partners, Inc.2,392$181.1K0.01%00.0%Unchanged
STRS Ohio2,600$196.0K0.00%00.0%Unchanged
Boothbay Fund Management, LLC2,795$211.7K0.01%+2,795New
BlueCrest Capital Management Ltd3,000$227.2K0.02%+3,000New
Handelsbanken Fonder AB3,300$250.0K0.00%00.0%Unchanged
Victory Capital Management Inc3,470$262.8K0.00%+162+4.9%Added
Virtu Financial LLC3,570$270.0K0.03%+3,570New
ProShare Advisors LLC3,591$271.9K0.00%−335−8.5%Reduced
Y-Intercept (Hong Kong) Ltd3,685$279.1K0.03%+3,685New
Rockefeller Capital Management L.P.3,769$284.0K0.00%+3,531+1,483.6%Added
State of Wisconsin Investment Board3,821$289.4K0.00%+109+2.9%Added
Glenmede Trust Co NA3,867$292.8K0.00%+3,867New
Acadian Asset Management LLC3,877$293.0K0.00%+3,877New
Moran Wealth Management, LLC3,970$300.6K0.01%−1,707−30.1%Reduced
Pictet Asset Management SA4,146$314.0K0.00%+642+18.3%Added
Jennison Associates LLC4,288$324.7K0.00%+4,288New
Amalgamated Bank4,296$325.0K0.00%−793−15.6%Reduced
Public Employees Retirement Association of Colorado4,319$327.0K0.00%+4,319New
Financial Perspectives, Inc4,709$356.6K0.17%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)4,911$371.9K0.00%+462+10.4%Added
Arcadia Investment Management Corp4,927$373.1K0.08%+1,338+37.3%Added
Wealthcare Advisory Partners LLC5,119$387.7K0.02%+183+3.7%Added
Mount Yale Investment Advisors, LLC5,129$388.4K0.04%+1,844+56.1%Added
J.W. Cole Advisors, Inc.5,130$388.5K0.03%+5,130New
SG Americas Securities, LLC5,177$392.0K0.01%−1,529−22.8%Reduced
First Republic Investment Management, Inc.5,250$397.6K0.00%+5,250New
M&T Bank Corp5,380$407.7K0.00%−1,388−20.5%Reduced
Spouting Rock Asset Management, LLC5,513$417.5K0.15%−4,554−45.2%Reduced
Abn Amro Investment Solutions5,553$420.5K0.01%+5,553New
HighTower Advisors, LLC5,717$434.0K0.00%−573−9.1%Reduced
Henshaw Capital LLC5,913$447.8K0.03%−1,173−16.6%Reduced
US Bancorp6,111$462.8K0.00%+5,359+712.6%Added
Truist Financial Corp6,387$483.7K0.00%+182+2.9%Added
AQR Capital Management LLC6,567$497.3K0.00%+1,197+22.3%Added
Courier Capital LLC6,655$504.0K0.06%00.0%Unchanged
Dynamic Technology Lab Private Ltd6,940$526.0K0.05%+6,940New
Simplex Trading, LLC7,094$537.0K0.02%−1,663−19.0%Reduced
Harbour Capital Advisors, LLC7,141$540.8K0.16%+1,975+38.2%Added
Cetera Investment Advisers7,154$541.8K0.00%−1,895−20.9%Reduced
Advisory Services Network, LLC7,626$577.5K0.02%+549+7.8%Added
Montanaro Asset Management Ltd8,250$624.8K0.10%−1,750−17.5%Reduced
Teacher Retirement System of Texas8,274$627.0K0.00%+1,845+28.7%Added
D.A. Davidson & Co.8,507$644.2K0.01%+8,507New
Arizona State Retirement System8,787$665.4K0.01%+385+4.6%Added
Squarepoint Ops LLC8,828$668.5K0.00%−12,285−58.2%Reduced
Lakeview Capital Partners, LLC9,250$712.9K0.22%−75−0.8%Reduced
State Board of Administration of Florida Retirement System9,843$745.4K0.00%00.0%Unchanged
Millennium Management LLC9,917$751.0K0.00%−133,047−93.1%Reduced
Stifel Financial Corp9,954$753.8K0.00%+3,412+52.2%Added
Bayesian Capital Management, LP10,035$760.0K0.09%+900+9.9%Added
Occudo Quantitative Strategies LP10,257$776.8K0.07%−15,613−60.4%Reduced
Bridgewater Associates, LP10,501$795.2K0.00%−25,316−70.7%Reduced
Park Avenue Securities LLC10,535$798.0K0.01%−1,118−9.6%Reduced
Engineers Gate Manager LP10,682$808.9K0.03%+4,434+71.0%Added
Oppenheimer & Co Inc11,428$865.4K0.02%+1,602+16.3%Added