What does CUSIP 89377M109 represent in this 13F holders report?

CUSIP 89377M109 is the security identifier for TMDX - TransMedics Group, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held TMDX - TransMedics Group, Inc. - Common Stock in Q1 2023?

221 institutional investors reported TMDX - TransMedics Group, Inc. - Common Stock for Q1 2023. Use the holders table for investor-level position and value details.

TransMedics Group, Inc. - Common Stock (TMDX)

CUSIP: 89377M109

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / Common Stock
Total 13F shares: 29,891,511
Total 13F value: $2,263,659,591
Share change: +873,009
Put/Call ratio: 53%
SEC-reported price per share: $75.73
Number of holders: 221
Value change: +$69,279,751
Number of buys: 119
Number of sells: 91
Shares outstanding: 34,330,771

Security key

89377M109

Report period

Q1 2023

Institutions

221

Top holders

TMDX full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 TransMedics Group, Inc. SEC filings TransMedics Group, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 89377M109

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of TMDX - TransMedics Group, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

BlackRock Finance, Inc.

Disclosed value leader

BlackRock Finance, Inc.

Comparable rows

0/15

Latest evidence

31 Dec 2022

13F Highest disclosed value: $142,616,710 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

BlackRock Finance, Inc. has the largest disclosed position value at $142.62M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock Finance, Inc.'s linked filing trail.

Disclosed position value Top 5

BlackRock Finance, Inc. $142.62M

MACQUARIE GROUP LTD $120.2M

VANGUARD GROUP INC $104.39M

Sandhill Capital Partners LLC $74.3M

LORD, ABBETT & CO. LLC $73.31M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$142,616,710 2,310,705 shares	—	31 Dec 2022
MACQUARIE GROUP LTD	13F Company 13F	— denominator unverified	$120,198,000 1,947,472 shares	—	31 Dec 2022
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$104,394,751 1,691,425 shares	—	31 Dec 2022
Sandhill Capital Partners LLC	13F Company 13F	— denominator unverified	$74,295,434 1,203,750 shares	—	31 Dec 2022
LORD, ABBETT & CO. LLC	13F Company 13F	— denominator unverified	$73,311,000 1,187,806 shares	—	31 Dec 2022
DRIEHAUS CAPITAL MANAGEMENT LLC	13F Company 13F	— denominator unverified	$67,976,988 1,101,377 shares	—	31 Dec 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

221

29,891,511

Rows available

221

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2023 vs Q1 2023 Across Filers

Q1 2023 holders

221

Q1 2023 holders

221

Holder diff

Investor	Q1 2023 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q1 2023 value	Q1 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend