ANDOVER, MA
TRANSMEDICS GROUP, INC.TMDX— Latest position per institution from SEC 13F filings
15
Institutional holders
32.13M
Total shares held
3.44B
Estimated value
1.61M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
5.29M
Value
526.21M
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
5.10M
Value
506.62M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
3.61M
Value
438.58M
Filed
Dec 31, 2025
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
2.65M
Value
398.47M
Filed
Jun 30, 2024
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.92M
Value
190.82M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.48M
Value
146.94M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
1.32M
Value
131.17M
Filed
Mar 31, 2026
FIL LTD
CIK 318989
Shares
1.06M
Value
141.45M
Filed
Jun 30, 2025
INVESCO LTD.
CIK 914208
Shares
1.04M
Value
103.18M
Filed
Mar 31, 2026
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC
CIK 861177
Shares
939.52K
Value
93.40M
Filed
Mar 31, 2026
MACQUARIE GROUP LTD
CIK 1418333
Shares
906.27K
Value
101.68M
Filed
Sep 30, 2025
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
CIK 921739
Shares
885.84K
Value
88.06M
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
867.17K
Value
86.21M
Filed
Mar 31, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
866.28K
Value
86.12M
Filed
Mar 31, 2026
CREDIT SUISSE AG/
CIK 824468
Shares
847.88K
Value
62.69M
Filed
Mar 31, 2024
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
839.15K
Value
83.44M
Filed
Mar 31, 2026
HOOD RIVER CAPITAL MANAGEMENT LLC
CIK 1578177
Shares
699.77K
Value
69.56M
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
694.15K
Value
69.01M
Filed
Mar 31, 2026
UBS GROUP AG
CIK 1610520
Shares
581.79K
Value
57.84M
Filed
Mar 31, 2026
EVENTIDE ASSET MANAGEMENT, LLC
CIK 1442891
Shares
548.82K
Value
54.53M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 5.29M | 526.21M | Mar 31, 2026 |
| 2 | FMR LLC | 315066 | 5.10M | 506.62M | Mar 31, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 3.61M | 438.58M | Dec 31, 2025 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 2.65M | 398.47M | Jun 30, 2024 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.92M | 190.82M | Mar 31, 2026 |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.48M | 146.94M | Mar 31, 2026 |
| 7 | STATE STREET CORP | 93751 | 1.32M | 131.17M | Mar 31, 2026 |
| 8 | FIL LTD | 318989 | 1.06M | 141.45M | Jun 30, 2025 |
| 9 | INVESCO LTD. | 914208 | 1.04M | 103.18M | Mar 31, 2026 |
| 10 | UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC | 861177 | 939.52K | 93.40M | Mar 31, 2026 |
| 11 | MACQUARIE GROUP LTD | 1418333 | 906.27K | 101.68M | Sep 30, 2025 |
| 12 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 921739 | 885.84K | 88.06M | Mar 31, 2026 |
| 13 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 867.17K | 86.21M | Mar 31, 2026 |
| 14 | GOLDMAN SACHS GROUP INC | 886982 | 866.28K | 86.12M | Mar 31, 2026 |
| 15 | CREDIT SUISSE AG/ | 824468 | 847.88K | 62.69M | Mar 31, 2024 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 839.15K | 83.44M | Mar 31, 2026 |
| 17 | HOOD RIVER CAPITAL MANAGEMENT LLC | 1578177 | 699.77K | 69.56M | Mar 31, 2026 |
| 18 | MORGAN STANLEY | 895421 | 694.15K | 69.01M | Mar 31, 2026 |
| 19 | UBS GROUP AG | 1610520 | 581.79K | 57.84M | Mar 31, 2026 |
| 20 | EVENTIDE ASSET MANAGEMENT, LLC | 1442891 | 548.82K | 54.53M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.