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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
Eventide Asset Management, LLC77,364$2.57M0.03%+77,364New
Millennium Management LLC78,422$2.60M0.00%+49,383+170.1%Added
Two Sigma Investments, LP99,700$3.31M0.01%+62,000+164.5%Added
Bullseye Asset Management LLC117,471$3.90M1.31%+10,000+9.3%Added
Nuveen Asset Management, LLC121,958$4.05M0.00%−55,751−31.4%Reduced
Bank of America Corp132,208$4.39M0.00%+23,112+21.2%Added
Charles Schwab Investment Management Inc172,148$5.71M0.00%+5,845+3.5%Added
Northern Trust Corp297,477$9.87M0.00%+10,729+3.7%Added
Emerald Advisers, LLC300,464$9.97M0.36%−304,511−50.3%Reduced
Point72 Asset Management, L.P.322,000$10.7M0.05%+322,000New
AXA S.A.351,868$11.7M0.03%+72,894+26.1%Added
Emerald Mutual Fund Advisers Trust369,259$12.3M0.40%−231,380−38.5%Reduced
Dimensional Fund Advisors LP396,182$13.1M0.00%+248,513+168.3%Added
Geode Capital Management, LLC421,739$14.0M0.00%+14,783+3.6%Added
Bellevue Group AG729,989$24.2M0.24%−12,211−1.6%Reduced
State Street Corp819,913$27.2M0.00%+297,593+57.0%Added
KPCB XIII Associates, LLC923,221$30.6M5.64%00.0%Unchanged
Vanguard Group Inc1,228,778$40.8M0.00%+15,783+1.3%Added
Sandhill Capital Partners LLC1,429,432$47.4M3.70%+232,093+19.4%Added
Credit Suisse AG1,513,961$50.2M0.04%+11,194+0.7%Added
Macquarie Group Ltd1,519,121$50.4M0.04%+550,627+56.9%Added
BlackRock Inc.1,825,644$60.6M0.00%−77,852−4.1%Reduced
FMR LLC4,143,583$137.5M0.01%+242,764+6.2%Added
Harel Insurance Investments & Financial Services Ltd.14,000––00.0%Unchanged
Zimmer Partners, LP0$00.00%−300,000−100.0%Sold out
Stephens Inc0$00.00%−142,350−100.0%Sold out
California Public Employees Retirement System0$00.00%−51,100−100.0%Sold out
Belvedere Trading LLC0$00.00%−18,821−100.0%Sold out
Jump Financial, LLC0$00.00%−15,804−100.0%Sold out
Marshall Wace, LLP0$00.00%−8,805−100.0%Sold out
Raymond James & Associates0$00.00%−8,595−100.0%Sold out
Laidlaw Wealth Management LLC0$00.00%−7,250−100.0%Sold out
SG Americas Securities, LLC0$00.00%−5,343−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−4,646−100.0%Sold out
Bank of Montreal0$00.00%−3,314−100.0%Sold out
Lazard Asset Management LLC0$00.00%−797−100.0%Sold out
Total Clarity Wealth Management, Inc.0$00.00%−644−100.0%Sold out