TMDX

TRANSMEDICS GROUP INC
USCUSIP 89377M109
Institutional Owners
158
+18 QoQ
13F Value Held
$1.0B
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)61 adding · 34 trimming
Insider net (180d)+$0
Price history not yet available for TMDX.

Top institutional holders

158 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD PORTFOLIO MANAGEMENT LLC
$190.8M
1.92MNewQ1 2026
2VANGUARD CAPITAL MANAGEMENT LLC
$146.9M
1.48MNewQ1 2026
3STATE STREET CORP
$131.2M
1.32MAddedQ1 2026
4Hood River Capital Management LLC
$69.6M
699.8KAddedQ1 2026
5EVENTIDE ASSET MANAGEMENT, LLC
$54.5M
548.8KAddedQ1 2026
6WASATCH ADVISORS LP
$34.4M
346.1KAddedQ1 2026
7EMERALD ADVISERS, LLC
$34.1M
342.8KReducedQ1 2026
8BRAIDWELL LP
$32.7M
329.4KAddedQ1 2026
9FRONTIER CAPITAL MANAGEMENT CO LLC
$31.9M
320.5KAddedQ1 2026
10VANGUARD FIDUCIARY TRUST CO
$23.5M
236.4KNewQ1 2026
11EMERALD MUTUAL FUND ADVISERS TRUST
$22.8M
229.3KReducedQ1 2026
12BLAIR WILLIAM & CO/IL
$17.3M
174.0KAddedQ1 2026
13ArrowMark Colorado Holdings LLC
$17.0M
171.1KReducedQ1 2026
14Candriam S.C.A.
$15.8M
158.8KNewQ1 2026
15DAVIDSON KEMPNER CAPITAL MANAGEMENT LP
$14.6M
146.4KNewQ1 2026
16PUBLIC SECTOR PENSION INVESTMENT BOARD
$12.2M
122.3KAddedQ1 2026
17Man Group plc
$11.4M
114.6KAddedQ1 2026
18OPPENHEIMER & CO INC
$11.3M
113.5KReducedQ1 2026
19Trexquant Investment LP
$10.6M
106.3KAddedQ1 2026
20Bellevue Group AG
$10.1M
101.1KAddedQ1 2026
21RENAISSANCE GROUP LLC
$9.3M
93.5KAddedQ1 2026
22Ensign Peak Advisors, Inc
$7.5M
75.6KReducedQ1 2026
23ZEVENBERGEN CAPITAL INVESTMENTS LLC
$6.7M
67.0KAddedQ1 2026
24PEREGRINE CAPITAL MANAGEMENT LLC
$5.7M
57.2KReducedQ1 2026
25Engineers Gate Manager LP
$5.2M
52.6KAddedQ1 2026

Fund activity — latest quarter

Opened (NEW)
23
funds
Added
38
funds
Reduced
34
funds
Exited
0
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

150 funds+147 since Q2 2022
075150Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $845M

Funds that own TMDX also own

CompanyCo-held byCombined value
Microsoft CorporationMSFT141 funds$169.1B
Meta Platforms, Inc.META141 funds$74.9B
Nvidia CorporationNVDA140 funds$247.5B
Amazon.com, Inc.AMZN139 funds$121.3B
Boston Scientific Corp - USBSX139 funds$7.7B
Broadcom LtdAVGO138 funds$87.0B
Alphabet, Inc.GOOGL137 funds$100.9B
Visa Inc.V137 funds$36.6B
Oracle CorporationORCL137 funds$17.5B
Servicenow Inc ComNOW137 funds$9.4B
Lilly Eli & CoLLY136 funds$48.0B
Apple Inc.AAPL135 funds$215.4B

Ranked by how many of TMDX's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for TMDX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.