TRANSMEDICS GROUP, INC.

PublicCIK: 1756262
TMDXNASDAQ
Location

ANDOVER, MA

13F Filings

Institutional Holders

TRANSMEDICS GROUP, INC.TMDX— Latest position per institution from SEC 13F filings

15

Institutional holders

35.29M

Total shares held

2.71B

Estimated value

1.76M

Avg. position size

1

BLACKROCK, INC.

CIK 2012383

Shares

5.60M

Value

371.72M

Filed

Jun 30, 2026

2

FMR LLC

CIK 315066

Shares

5.13M

Value

340.96M

Filed

Jun 30, 2026

3

VANGUARD GROUP INC

CIK 102909

Shares

3.61M

Value

438.58M

Filed

Dec 31, 2025

4

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

2.65M

Value

39.85K

Filed

Jun 30, 2026

5

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

2.65M

Value

398.47M

Filed

Jun 30, 2024

6

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

1.93M

Value

128.46M

Filed

Jun 30, 2026

7

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

1.50M

Value

99.47M

Filed

Jun 30, 2026

8

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 1446194

Shares

1.44M

Value

95.78M

Filed

Jun 30, 2026

9

STATE STREET CORP

CIK 93751

Shares

1.42M

Value

94.34M

Filed

Jun 30, 2026

10

CITADEL ADVISORS LLC

CIK 1423053

Shares

1.42M

Value

94.13M

Filed

Jun 30, 2026

11

FIL LTD

CIK 318989

Shares

1.06M

Value

141.45M

Filed

Jun 30, 2025

12

NOMURA ASSET MANAGEMENT INTERNATIONAL INC.

CIK 921739

Shares

910.50K

Value

60.48M

Filed

Jun 30, 2026

13

MACQUARIE GROUP LTD

CIK 1418333

Shares

906.27K

Value

101.68M

Filed

Sep 30, 2025

14

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

894.91K

Value

59.45M

Filed

Jun 30, 2026

15

CREDIT SUISSE AG/

CIK 824468

Shares

847.88K

Value

62.69M

Filed

Mar 31, 2024

16

TIDAL INVESTMENTS LLC

CIK 1600064

Shares

751.20K

Value

49.89M

Filed

Jun 30, 2026

17

HOOD RIVER CAPITAL MANAGEMENT LLC

CIK 1578177

Shares

751.13K

Value

49.89M

Filed

Jun 30, 2026

18

JANE STREET GROUP, LLC

CIK 1595888

Shares

615.30K

Value

40.87M

Filed

Jun 30, 2026

19

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

610.11K

Value

40.53M

Filed

Jun 30, 2026

20

BRAIDWELL LP

CIK 1920938

Shares

609.72K

Value

40.50M

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.