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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
FMR LLC4,143,583$137.5M0.01%+242,764+6.2%Added
BlackRock Inc.1,825,644$60.6M0.00%−77,852−4.1%Reduced
Macquarie Group Ltd1,519,121$50.4M0.04%+550,627+56.9%Added
Credit Suisse AG1,513,961$50.2M0.04%+11,194+0.7%Added
Sandhill Capital Partners LLC1,429,432$47.4M3.70%+232,093+19.4%Added
Vanguard Group Inc1,228,778$40.8M0.00%+15,783+1.3%Added
KPCB XIII Associates, LLC923,221$30.6M5.64%00.0%Unchanged
State Street Corp819,913$27.2M0.00%+297,593+57.0%Added
Bellevue Group AG729,989$24.2M0.24%−12,211−1.6%Reduced
Geode Capital Management, LLC421,739$14.0M0.00%+14,783+3.6%Added
Dimensional Fund Advisors LP396,182$13.1M0.00%+248,513+168.3%Added
Emerald Mutual Fund Advisers Trust369,259$12.3M0.40%−231,380−38.5%Reduced
AXA S.A.351,868$11.7M0.03%+72,894+26.1%Added
Point72 Asset Management, L.P.322,000$10.7M0.05%+322,000New
Emerald Advisers, LLC300,464$9.97M0.36%−304,511−50.3%Reduced
Northern Trust Corp297,477$9.87M0.00%+10,729+3.7%Added
Charles Schwab Investment Management Inc172,148$5.71M0.00%+5,845+3.5%Added
Bank of America Corp132,208$4.39M0.00%+23,112+21.2%Added
Nuveen Asset Management, LLC121,958$4.05M0.00%−55,751−31.4%Reduced
Bullseye Asset Management LLC117,471$3.90M1.31%+10,000+9.3%Added
Two Sigma Investments, LP99,700$3.31M0.01%+62,000+164.5%Added
Millennium Management LLC78,422$2.60M0.00%+49,383+170.1%Added
Eventide Asset Management, LLC77,364$2.57M0.03%+77,364New
Citadel Advisors LLC76,734$2.55M0.00%+62,540+440.6%Added
Essex Investment Management Co LLC76,347$2.53M0.29%−6,716−8.1%Reduced
Bank of New York Mellon Corp75,282$2.50M0.00%−131,131−63.5%Reduced
Taylor Wealth Management Partners72,685$2.41M0.85%+867+1.2%Added
King Luther Capital Management Corp71,575$2.38M0.01%+21,970+44.3%Added
Swiss National Bank54,300$1.80M0.00%+54,300New
Voloridge Investment Management, LLC53,077$1.76M0.01%−53,336−50.1%Reduced
Envestnet Asset Management Inc47,570$1.58M0.00%−405−0.8%Reduced
Susquehanna International Group, LLP41,156$1.37M0.00%−48,220−54.0%Reduced
Principal Financial Group Inc39,045$1.30M0.00%+33,682+628.0%Added
Deutsche Bank AG36,249$1.20M0.00%+5,709+18.7%Added
California State Teachers Retirement System35,722$1.19M0.00%−2,192−5.8%Reduced
Jane Street Group, LLC35,031$1.16M0.00%−12,391−26.1%Reduced
M&T Bank Corp33,506$1.11M0.00%+13,500+67.5%Added
Bridgewater Associates, LP29,205$969.0K0.01%+29,205New
Goldman Sachs Group Inc25,367$842.0K0.00%−9,502−27.3%Reduced
Cinctive Capital Management LP24,000$796.0K0.04%+24,000New
UBS Asset Management Americas Inc23,781$789.1K0.00%+23,781New
Alliancebernstein L.P.23,100$766.0K0.00%00.0%Unchanged
New York State Common Retirement Fund22,905$760.0K0.00%+205+0.9%Added
Rhumbline Advisers22,789$756.0K0.00%−651−2.8%Reduced
Morgan Stanley22,513$747.0K0.00%−92,094−80.4%Reduced
Squarepoint Ops LLC20,943$695.0K0.01%+11,818+129.5%Added
Simplex Trading, LLC20,350$675.0K0.02%+20,350New
Triumph Capital Management20,051$622.0K0.36%+20,051New
Man Group plc18,599$617.0K0.00%+18,599New
Gladstone Institutional Advisory LLC15,470$513.0K0.06%−3,100−16.7%Reduced
Park Avenue Securities LLC15,147$503.0K0.01%−568−3.6%Reduced
Manufacturers Life Insurance Company, The14,812$491.0K0.00%+568+4.0%Added
American International Group, Inc.14,523$482.0K0.00%−131−0.9%Reduced
Signature Wealth Management Partners, LLC14,000$465.0K0.42%00.0%Unchanged
Advisor Group Holdings, Inc.12,629$419.0K0.00%−2,140−14.5%Reduced
MetLife Investment Management12,219$405.4K0.00%00.0%Unchanged
Virtu Financial LLC10,550$350.0K0.03%+10,550New
Voya Investment Management LLC10,426$346.0K0.00%−533−4.9%Reduced
Cetera Investment Advisers10,389$345.0K0.01%+4,482+75.9%Added
State Board of Administration of Florida Retirement System10,193$338.0K0.00%+10,193New
HighTower Advisors, LLC10,148$333.0K0.00%−127−1.2%Reduced
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
Old Mission Capital LLC9,888$328.0K0.01%+9,888New
Wells Fargo & Company9,408$313.0K0.00%−7,009−42.7%Reduced
Invesco Ltd.9,196$305.0K0.00%−254,741−96.5%Reduced
HRT Financial LP8,741$290.0K0.00%+8,741New
Truist Financial Corp8,653$287.0K0.00%−312−3.5%Reduced
Steward Partners Investment Advisory, LLC8,400$279.0K0.00%−1,000−10.6%Reduced
Metropolitan Life Insurance Co8,147$270.3K0.00%+449+5.8%Added
Montanaro Asset Management Ltd7,850$260.0K0.03%+7,850New
Summit Global Investments7,700$255.0K0.02%+7,700New
Kovack Advisors, Inc.7,300$242.0K0.03%−500−6.4%Reduced
ProShare Advisors LLC6,728$223.0K0.00%+9+0.1%Added
Arizona State Retirement System6,696$222.0K0.00%+6,696New
Schonfeld Strategic Advisors LLC6,700$222.0K0.00%+6,700New
Ameriprise Financial Inc6,512$216.0K0.00%−5,245−44.6%Reduced
Walleye Trading LLC6,439$214.0K0.01%+6,439New
Henshaw Capital LLC6,063$201.2K0.01%+6,063New
IFP Advisors, Inc5,024$167.0K0.00%+1,772+54.5%Added
NEXT Financial Group, Inc4,695$156.0K0.01%+4,307+1,110.1%Added
Quantbot Technologies LP4,600$152.0K0.01%+4,600New
Sargent Bickham Lagudis LLC4,403$146.0K0.01%00.0%Unchanged
Royal Bank of Canada4,318$144.0K0.00%+2,579+148.3%Added
Global Retirement Partners, LLC4,267$142.0K0.01%+1,917+81.6%Added
Legal & General Group Plc3,795$126.0K0.00%+1,055+38.5%Added
Tower Research Capital LLC (TRC)3,632$121.0K0.00%−1,313−26.6%Reduced
Group One Trading, L.P.3,575$119.0K0.00%−4,088−53.3%Reduced
Advisory Services Network, LLC3,553$118.0K0.00%+3,553New
Barclays PLC3,333$110.0K0.00%−17,686−84.1%Reduced
Financial Perspectives, Inc3,229$107.1K0.05%+3,229New
The PNC Financial Services Group, Inc.2,550$85.0K0.00%00.0%Unchanged
Cutler Group LP2,438$80.0K0.01%+2,438New
UBS Group AG2,350$78.0K0.00%−1,199−33.8%Reduced
Ameritas Investment Partners, Inc.2,122$70.0K0.00%00.0%Unchanged
Howe & Rusling Inc2,000$66.0K0.01%00.0%Unchanged
Barrett Asset Management, LLC2,000$66.0K0.00%+2,000New
Citigroup Inc1,859$62.0K0.00%−1,928−50.9%Reduced
O'Shaughnessy Asset Management, LLC1,318$44.0K0.00%00.0%Unchanged