TMDX

Transmedics Group Inc$76.00 0.82%
Health CareUSCUSIP 89377M109· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
280
-9 QoQ
13F Value (tracked)
$3.2B
Insider Net · 180d
-$3.1M
0↑ 6↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)31 adding · 17 trimming
Insider net (180d)-$3.1M

Price & smart-money activity

$76.00 0.82%5Y +144.4%
$2.42$47.47$92.51$137.55$182.60202120222023202420252026821162162222015221148173633114403613473614473438424439177664575486771595047255388694917078580516
Hover for who · click for detailEnd-of-day closing prices52w $62.04 – $150.42

Top institutional holders

280 tracked 13F filers
1 source-reported value row is withheld because the reported units do not agree with same-security peers. Share counts remain visible and unchanged.
#FundPosition valueSharesLast moveAs ofHistory
1BlackRock, Inc.
$526.2M
5.3M
−1.9%
Reduced · −102K sh
Q1 2026
2FMR LLC
$506.6M
5.1M
+0.4%
Added · +19K sh
Q1 2026
3VANGUARD PORTFOLIO MANAGEMENT LLC
$190.8M
1.9M
New
+1.9M sh
Q1 2026
4VANGUARD CAPITAL MANAGEMENT LLC
$146.9M
1.5M
New
+1.5M sh
Q1 2026
5STATE STREET CORP
$131.2M
1.3M
+3.5%
Added · +44K sh
Q1 2026
6UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME
$93.4M
940K
−5.8%
Reduced · −57K sh
Q1 2026
7GOLDMAN SACHS GROUP INC
$86.1M
866K
−10%
Reduced · −100K sh
Q1 2026
8GEODE CAPITAL MANAGEMENT, LLC
$83.4M
839K
+2.8%
Added · +23K sh
Q1 2026
9Hood River Capital Management LLC
$69.6M
700K
+1.4%
Added · +9K sh
Q1 2026
10MORGAN STANLEY
$69.0M
694K
+4.0%
Added · +26K sh
Q1 2026
11UBS Group AG
$57.7M
581K
−12%
Reduced · −79K sh
Q1 2026
12EVENTIDE ASSET MANAGEMENT, LLC
$54.5M
549K
+0.1%
Added · +557 sh
Q1 2026
13DIMENSIONAL FUND ADVISORS LP
$51.4M
517K
+5.5%
Added · +27K sh
Q1 2026
14CITIGROUP INC
$35.5M
357K
+396%
Added · +285K sh
Q1 2026
15PRICE T ROWE ASSOCIATES INC /MD/
$34.5M
347K
−39%
Reduced · −223K sh
Q1 2026
16EMERALD ADVISERS, LLC
$34.1M
343K
−2.4%
Reduced · −9K sh
Q1 2026
17NORTHERN TRUST CORP
$33.6M
338K
−0.3%
Reduced · −1K sh
Q1 2026
18BRAIDWELL LP
$32.7M
329K
+4.5%
Added · +14K sh
Q1 2026
19TWO SIGMA INVESTMENTS, LP
$32.3M
325K
−25%
Reduced · −111K sh
Q1 2026
20FRONTIER CAPITAL MANAGEMENT CO LLC
$31.9M
320K
+5.8%
Added · +18K sh
Q1 2026
21CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$31.7M
319K
−1.3%
Reduced · −4K sh
Q1 2026
22WASATCH ADVISORS LP
$20.5M
308K
−11%
Reduced · −38K sh
Q2 2026
23ZEVENBERGEN CAPITAL INVESTMENTS LLC
$20.5M
308K
+7.6%
Added · +22K sh
Q2 2026
24JPMORGAN CHASE & CO
$29.1M
308K
−18%
Reduced · −67K sh
Q1 2026
25MILLENNIUM MANAGEMENT LLC
$30.4M
306K
+105%
Added · +157K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
4
funds
Added
27
funds
Reduced
17
funds
Exited
0
funds

Funds that own TMDX also own

CompanyCo-held byCombined value
MICROSOFT CORPMSFT141 funds$55.1B
META PLATFORMS INC-CLASS AMETA141 funds$24.0B
NVIDIA CORPNVDA140 funds$73.6B
AMAZON.COM INCAMZN140 funds$39.7B
BOSTON SCIENTIFIC CORPBSX139 funds$3.4B
BROADCOM INCAVGO138 funds$27.5B
VISA INC-CLASS A SHARESV138 funds$11.6B
SERVICENOW INCNOW138 funds$4.3B
ALPHABET INC-CL AGOOGL137 funds$35.6B
ORACLE CORPORCL137 funds$6.3B
APPLE INCAAPL136 funds$62.1B
ELI LILLY & COLLY136 funds$15.1B

Ranked by how many of TMDX's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$3.1M
6 insiders
Net
-$3.1M
8 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jun 15, 2026Gunderson Thomas J.DirectorSell (S)10K$722K
Mar 4, 2026Hernandez GerardoChief Financial OfficerSell (S)1K$195K
Mar 4, 2026Hernandez GerardoChief Financial OfficerSell (S)6K$870K
Mar 4, 2026Weill DavidDirectorSell (S)4K$524K
Mar 4, 2026Lovell StephanieDirectorSell (S)1K$178K
Mar 2, 2026Corcoran NicholasSee remarksSell (S)3K$413K
Mar 2, 2026Ranganath Anil P.See remarksSell (S)864$120K
Mar 2, 2026Hernandez GerardoChief Financial OfficerSell (S)375$52K
Dec 4, 2025Hernandez GerardoChief Financial OfficerSell (S)920$128K
Dec 3, 2025Weill DavidDirectorSell (S)5K$693K
Nov 25, 2025Ranganath Anil P.See remarksSell (S)3K$436K
Nov 17, 2025Hassanein Waleed HPresident & CEO, DirectorBuy (P)9K$1.0M

Institutional ownership over time

285 funds+51 since Q3 2024
0147294Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $3.2B · 1 values withheld

Recent filings

15 shown

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Ask your agent what changed in TMDX

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/TMDX/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for TMDX.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

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.