Who Owns TransMedics Group, Inc. (TMDX)?Hedge Fund & Institutional Holders

$123.63+2.32 (+1.91%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$InfinityT

% of Float Held

1.3301438292813638e+292%

QoQ Change in Holders

+8 / -6

Price History

$56.73$84.04$111.35$138.67$165.98Sep 24Jun 25Mar 26

TMDX — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
FMR LLCIncreased+13K+$615.4B
EMERALD ADVISERS, LLCNew Position+351K+$42.7B
Invesco Ltd.Increased+299K+$40.0B
BAILLIE GIFFORD & CONew Position+316K+$38.5B
GOLDMAN SACHS GROUP INCIncreased+262K+$37.1B
BANK OF AMERICA CORP /DE/Increased+63K+$32.0B
EMERALD MUTUAL FUND ADVISERS TRUSTNew Position+230K+$28.0B
WELLINGTON MANAGEMENT GROUP LLPIncreased+217K+$25.7B
PRINCIPAL FINANCIAL GROUP INCNew Position+194K+$23.6B
BROWN CAPITAL MANAGEMENT LLCNew Position+146K+$17.8B
OPPENHEIMER & CO INCNew Position+117K+$14.2B
STATE OF MICHIGAN RETIREMENT SYSTEMNew Position+108K+$13.1B
Candriam S.C.A.New Position+109K+$13.0B
MILLENNIUM MANAGEMENT LLCIncreased+100K+$12.5B
FRONTIER CAPITAL MANAGEMENT CO LLCIncreased+83K+$12.2B

TMDX — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
MACQUARIE GROUP LTDClosed Position-906K-$101.7B
MARSHALL WACE, LLPDecreased-351K-$60.8B
TWO SIGMA INVESTMENTS, LPDecreased-199K-$18.3B
ROYAL BANK OF CANADADecreased-136K-$16.3B
UBS Group AGDecreased-197K-$15.8B
RENAISSANCE TECHNOLOGIES LLCDecreased-135K-$15.3B
Squarepoint Ops LLCDecreased-22K-$14.9B
Jump Financial, LLCDecreased-124K-$14.3B
FRED ALGER MANAGEMENT, LLCDecreased-120K-$13.9B
ArrowMark Colorado Holdings LLCDecreased-126K-$12.4B
SUSQUEHANNA INTERNATIONAL GROUP, LLPClosed Position-90K-$10.1B
JANE STREET GROUP, LLCClosed Position-78K-$8.8B
WOLVERINE TRADING, LLCClosed Position-66K-$7.4B
BALYASNY ASSET MANAGEMENT L.P.Closed Position-54K-$6.1B
Divisadero Street Capital Management, LPClosed Position-38K-$4.3B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1FMR LLC4,406,263$536.0B0.03%Share
2DRIEHAUS CAPITAL MANAGEMENT LLC712,041$86.6B0.59%Share
3Hood River Capital Management LLC690,357$84.0B0.92%Share
4GOLDMAN SACHS GROUP INC656,394$79.0B0.01%Share
5Invesco Ltd.598,421$72.8B0.01%Share
6EVENTIDE ASSET MANAGEMENT, LLC548,267$66.7B1.04%Share
7DIMENSIONAL FUND ADVISORS LP460,671$56.0B0.01%Share
8SUSQUEHANNA INTERNATIONAL GROUP, LLP454,600$55.0B0.01%Call
9FMR LLC440,432$53.0B0.00%Share
10TWO SIGMA INVESTMENTS, LP435,969$53.0B0.07%Share
11UBS Group AG373,238$45.4B0.01%Share
12TWO SIGMA ADVISERS, LP362,300$44.0B0.09%Share
13EMERALD ADVISERS, LLC351,349$42.7B1.32%Share
14WELLINGTON MANAGEMENT GROUP LLP339,360$41.0B0.01%Share
15WASATCH ADVISORS LP331,848$40.4B0.24%Share
16CHARLES SCHWAB INVESTMENT MANAGEMENT INC323,026$39.0B0.01%Share
17JPMORGAN CHASE & CO304,862$37.0B0.00%Share
18GOLDMAN SACHS GROUP INC306,075$37.0B0.00%Share
19FRONTIER CAPITAL MANAGEMENT CO LLC302,760$36.8B0.39%Share
20NORTHERN TRUST CORP284,020$34.0B0.00%Share
21UBS Group AG253,699$30.9B0.01%Share
22ROYCE & ASSOCIATES LP243,149$29.6B0.30%Share
23EMERALD MUTUAL FUND ADVISERS TRUST229,901$28.0B1.36%Share
24Capital World Investors227,441$27.0B0.00%Share
25ZEVENBERGEN CAPITAL INVESTMENTS LLC218,678$26.6B0.59%Share
26SUSQUEHANNA INTERNATIONAL GROUP, LLP217,100$26.0B0.00%Put
27BARCLAYS PLC199,680$24.0B0.01%Share
28PRINCIPAL FINANCIAL GROUP INC191,793$23.3B0.01%Share
29ArrowMark Colorado Holdings LLC186,979$22.7B0.50%Share
30WELLS FARGO & COMPANY/MN182,545$22.0B0.00%Share
31BANK OF AMERICA CORP /DE/166,438$20.0B0.00%Share
32FMR LLC168,566$20.0B0.00%Share
33MILLENNIUM MANAGEMENT LLC149,031$18.0B0.01%Share
34BROWN CAPITAL MANAGEMENT LLC145,918$17.8B1.46%Share
35DAVIDSON KEMPNER CAPITAL MANAGEMENT LP146,400$17.0B0.27%Share
36CITADEL ADVISORS LLC141,868$17.0B0.00%Share
37DEUTSCHE BANK AG\137,560$16.0B0.01%Share
38BLAIR WILLIAM & CO/IL135,889$16.0B0.04%Share
39OPPENHEIMER & CO INC116,566$14.2B0.20%Share
40CITADEL ADVISORS LLC122,800$14.0B0.00%Put
41PUBLIC SECTOR PENSION INVESTMENT BOARD118,256$14.0B0.05%Share
42BANK OF MONTREAL /CAN/121,389$14.0B0.00%Share
43STATE OF MICHIGAN RETIREMENT SYSTEM108,000$13.1B0.06%Share
44Candriam S.C.A.109,186$13.0B0.06%Share
45Lagoda Investment Management, L.P.104,800$12.7B7.38%Share
46Montanaro Asset Management Ltd101,939$12.4B3.46%Share
47BAILLIE GIFFORD & CO99,447$12.1B0.01%Share
48PANAGORA ASSET MANAGEMENT INC102,025$12.0B0.04%Share
49AMERIPRISE FINANCIAL INC98,975$12.0B0.00%Share
50NEXT CENTURY GROWTH INVESTORS LLC98,468$12.0B0.83%Share

TMDX Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025425$2.4T+159
Q3 2025266$1.7T-46
Q2 2025312$2.5T+16
Q1 2025296$1.6T+9
Q4 2024287$3.8T-3
Q3 2024290$182.1T+26
Q2 2024264$244.9T+58
Q1 2024206$104.9T—

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As of Q4 2025, 50 institutional investors hold TMDX (TransMedics Group, Inc.). The largest holder is FMR LLC with $536.0B in shares. This quarter, 8 institutions opened new positions and 6 closed their positions.

Frequently Asked Questions

How many hedge funds own TMDX?

As of Q4 2025, 50 institutional investors report holding TMDX (TransMedics Group, Inc.) in their 13F filings.

Who is the largest institutional holder of TMDX?

The largest institutional holder of TMDX is FMR LLC with $536.0B in shares.

Is institutional ownership of TMDX increasing or decreasing?

This quarter, 8 institutions opened new positions in TMDX and 6 closed their positions.