Marker Therapeutics, Inc. - Common Stock, par value $0.001 per share (MRKR)

Q: What does CUSIP 57055L206 represent in this 13F holders report?

CUSIP 57055L206 is the security identifier for MRKR - Marker Therapeutics, Inc. - Common Stock, par value $0.001 per share used to aggregate holder disclosures.

Q: How many institutions held MRKR - Marker Therapeutics, Inc. - Common Stock, par value $0.001 per share in Q4 2025?

36 institutional investors reported MRKR - Marker Therapeutics, Inc. - Common Stock, par value $0.001 per share for Q4 2025. Use the holders table for investor-level position and value details.

CUSIP: 57055L206

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Common Stock, par value $0.001 per share
Total 13F shares: 4,044,475
Total 13F value: $6,027,366
Share change: +552,287
SEC-reported price per share: $1.49
Number of holders: 36
Value change: +$898,868
Number of buys: 18
Number of sells: 8
Shares outstanding: 16,869,505

Security key

57055L206

Report period

Q4 2025

Institutions

Top holders

MRKR full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 Marker Therapeutics, Inc. SEC filings Marker Therapeutics, Inc. company facts

Broader feeds

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

Reporting periods

Holder history for CUSIP 57055L206

Newer quarter: Q1 2026 Previous quarter: Q3 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of MRKR - Marker Therapeutics, Inc. - Common Stock, par value $0.001 per share (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

Blue Owl Capital Holdings LP

Disclosed value leader

New Enterprise Associates...

Comparable rows

15/15

Latest evidence

30 Sep 2025

13D/G 13F 3/4/5 Lead comparable stake: 10% 13D/G row: Blue Owl Capital Holdings LP Showing 1-6 of 15 holder rows.

Quick read

Blue Owl Capital Holdings LP leads the comparable SEC ownership view at 10%.

15 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 Blue Owl Capital Holdings LP's linked filing trail.

Comparable ownership Top 5

Blue Owl Capital Holdings LP 10%

New Enterprise Associates 16, L.P. 9.9%

Alyeska Investment Group, L.P. 9.9%

John R. Wilson 5%

NEA Management Company, LLC 9.6%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

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

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Blue Owl Capital Holdings LP	13D/G 13F Company 13D/G 13F	10%	$1,431,356 1,127,052 shares	+$727,459	31 Mar 2025
New Enterprise Associates 16, L.P.	3/4/5 13D/G 10%+ Owner 3/4/5 13D/G	9.9% from 13D/G	$5,202,170 1,625,678 shares	—	23 Dec 2024
Alyeska Investment Group, L.P.	13D/G 13D/G	9.9%	$1,143,378 1,280,952 shares	+$188,600	30 Sep 2025
John R. Wilson	13D/G 3/4/5 John R. Wilson TTE, John R. Wilson Revocable Trust U/A DTD 08/03/2017 · Director 13D/G 3/4/5	5%	— 641,801 shares	$0	19 Aug 2025
NEA Management Company, LLC	13F Company 13F	9.6%	$1,451,080 1,625,678 shares	—	30 Sep 2025
Aisling Capital Management LP	13F Company 13F	1.9%	$290,425 325,370 shares	—	30 Sep 2025

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 Q4 2025

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

Institutions

4,044,475

Rows available

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 Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

Q4 2025 holders

Holder diff

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend