Skip to main content

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, Q4 2022

Institutional positions in TransMedics Group, Inc. as of Dec 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
200
+26 vs. Q3 2022
Shares held
29.0M
+713.4K (+2.5%) vs. Q3 2022
Total value
$1.79B
+$607.5M (+51.5%) vs. Q3 2022
New holders
37
76 more added
Sold out
11
66 more reduced

4 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2022: 200 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 heldQ4 2022: $1.79B
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, Q4 2022

Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q3 2022.

Institutions holding TMDX in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd3$00.00%+3New
Focused Wealth Management, Inc10$6170.00%+10New
Bell Investment Advisors, Inc12$7410.00%00.0%Unchanged
Ellevest, Inc.19$1.17K0.00%+11+137.5%Added
Allworth Financial LP21$1.30K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC32$2.00K0.00%+21+190.9%Added
Quadrant Capital Group LLC34$2.10K0.00%−17−33.3%Reduced
Oliver Lagore Vanvalin Investment Group84$5.18K0.00%+7+9.1%Added
City State Bank100$6.00K0.00%00.0%Unchanged
Quarry LP108$6.67K0.01%+108New
Hanseatic Management Services Inc119$7.00K0.02%00.0%Unchanged
IFP Advisors, Inc313$8.00K0.00%−94−23.1%Reduced
Clearstead Advisors, LLC150$9.26K0.00%00.0%Unchanged
Walleye Trading LLC156$9.63K0.00%+156New
Romano Brothers and Company187$11.5K0.00%+187New
Signaturefd, LLC194$12.0K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.238$14.0K0.00%−69−22.5%Reduced
CWM, LLC224$14.0K0.00%+33+17.3%Added
Parallel Advisors, LLC229$14.1K0.00%+69+43.1%Added
North Star Investment Management Corp.250$15.4K0.00%+250New
National Bank of Canada265$16.4K0.00%−70−20.9%Reduced
Lindbrook Capital, LLC338$20.9K0.00%+8+2.4%Added
Point72 Middle East FZE362$22.3K0.00%+362New
Belpointe Asset Management LLC368$22.7K0.00%+368New
First Horizon Advisors, Inc.375$23.1K0.00%+217+137.3%Added
Newbridge Financial Services Group, Inc.400$24.7K0.01%00.0%Unchanged
Oakworth Capital, Inc.412$25.4K0.00%+412New
Adirondack Trust Co460$28.4K0.01%00.0%Unchanged
Central Trust Co550$33.9K0.00%00.0%Unchanged
GWM Advisors LLC15,356$35.6K0.00%+664+4.5%Added
Rise Advisors, LLC579$35.7K0.03%00.0%Unchanged
MinichMacGregor Wealth Management, LLC674$41.6K0.02%+674New
US Bancorp752$46.4K0.00%+612+437.1%Added
MCF Advisors LLC795$49.1K0.01%−247−23.7%Reduced
Citigroup Inc1,205$74.4K0.00%+8+0.7%Added
Leonteq Securities AG1,229$75.9K0.00%+1,229New
Harbor Investment Advisory, LLC1,395$86.1K0.01%−137−8.9%Reduced
Metropolitan Life Insurance Co1,840$113.6K0.01%00.0%Unchanged
Ameritas Investment Partners, Inc.2,392$158.0K0.01%00.0%Unchanged
STRS Ohio2,600$160.0K0.00%−8,300−76.1%Reduced
Mount Yale Investment Advisors, LLC3,285$202.8K0.02%+3,285New
Handelsbanken Fonder AB3,300$204.0K0.00%+3,300New
Victory Capital Management Inc3,308$204.2K0.00%−4,825−59.3%Reduced
Aigen Investment Management, LP3,439$212.3K0.03%+3,439New
Pictet Asset Management SA3,504$216.0K0.00%+3,504New
Arcadia Investment Management Corp3,589$221.5K0.05%+3,589New
State of Wisconsin Investment Board3,712$229.1K0.00%−1,835−33.1%Reduced
ProShare Advisors LLC3,926$242.3K0.00%+3,926New
Federated Hermes, Inc.3,971$245.1K0.00%+1,032+35.1%Added
We Are One Seven, LLC4,357$268.9K0.03%−19,257−81.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)4,449$274.6K0.00%+894+25.1%Added
Tower Research Capital LLC (TRC)4,588$283.0K0.01%+1,985+76.3%Added
Royal Bank of Canada4,580$283.0K0.00%+3,458+308.2%Added
Financial Perspectives, Inc4,709$290.7K0.15%00.0%Unchanged
Harbour Capital Advisors, LLC5,166$295.0K0.10%+5,166New
Wealthcare Advisory Partners LLC4,936$304.6K0.01%+4,936New
Janus Henderson Group PLC5,017$309.7K0.00%+5,017New
Amalgamated Bank5,089$314.0K0.00%+154+3.1%Added
Silver Oak Securities, Inc5,166$319.0K0.06%+5,166New
AQR Capital Management LLC5,370$331.4K0.00%−957−15.1%Reduced
Ziegler Capital Management, LLC5,633$347.7K0.01%−6−0.1%Reduced
Moran Wealth Management, LLC5,677$350.4K0.01%+5,677New
HRT Financial LP6,117$377.0K0.01%+6,117New
Truist Financial Corp6,205$383.0K0.00%−2,521−28.9%Reduced
Engineers Gate Manager LP6,248$385.6K0.02%−5,419−46.4%Reduced
Quantbot Technologies LP6,278$387.5K0.03%−28,713−82.1%Reduced
HighTower Advisors, LLC6,290$391.0K0.00%+490+8.4%Added
Teacher Retirement System of Texas6,429$397.0K0.00%+6,429New
Stifel Financial Corp6,542$403.8K0.00%−1,045−13.8%Reduced
Courier Capital LLC6,655$410.7K0.05%−3,332−33.4%Reduced
SG Americas Securities, LLC6,706$414.0K0.01%−1,682−20.1%Reduced
M&T Bank Corp6,768$417.9K0.00%−1,730−20.4%Reduced
Jane Street Group, LLC7,077$436.8K0.00%−94,602−93.0%Reduced
Advisory Services Network, LLC7,077$436.8K0.01%+12+0.2%Added
Henshaw Capital LLC7,086$437.3K0.03%−792−10.1%Reduced
Raymond James & Associates7,184$443.4K0.00%+1,710+31.2%Added
Signature Wealth Management Partners, LLC7,200$444.4K0.44%00.0%Unchanged
DuPont Capital Management Corp7,785$480.5K0.02%+7,785New
Algert Global LLC7,981$492.6K0.03%+1,740+27.9%Added
Barclays PLC8,194$505.7K0.00%+6,900+533.2%Added
LPL Financial LLC8,315$513.2K0.00%−226−2.6%Reduced
Arizona State Retirement System8,402$518.6K0.01%+310+3.8%Added
Simplex Trading, LLC8,757$540.0K0.03%+8,757New
Cetera Investment Advisers9,049$558.5K0.01%+1,658+22.4%Added
Bayesian Capital Management, LP9,135$563.8K0.08%+9,135New
Lakeview Capital Partners, LLC9,325$577.9K0.18%−225−2.4%Reduced
Bank of Hawaii9,508$586.8K0.04%+1,651+21.0%Added
Oppenheimer & Co Inc9,826$606.5K0.01%−2,695−21.5%Reduced
State Board of Administration of Florida Retirement System9,843$607.5K0.00%−360−3.5%Reduced
UBS Group AG9,864$608.8K0.00%+6,786+220.5%Added
Montanaro Asset Management Ltd10,000$617.2K0.10%00.0%Unchanged
Spouting Rock Asset Management, LLC10,067$621.3K0.46%00.0%Unchanged
Susquehanna Fundamental Investments, LLC10,121$624.7K0.01%00.0%Unchanged
Walleye Capital LLC11,105$685.4K0.01%−42,843−79.4%Reduced
Qube Research & Technologies Ltd11,276$696.0K0.00%−29,826−72.6%Reduced
Park Avenue Securities LLC11,653$719.0K0.01%−334−2.8%Reduced
Manufacturers Life Insurance Company, The11,731$724.0K0.00%+1,182+11.2%Added
Legal & General Group Plc13,036$804.6K0.00%+70+0.5%Added
Mirae Asset Global Investments Co., Ltd.13,240$817.2K0.00%+1,953+17.3%Added
American International Group, Inc.14,432$890.7K0.01%−53−0.4%Reduced