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$MRKR
$0.95 +$0.04 (4.95%) Close

Ownership

13F as of Q2 2026 · 16.7M shares outstanding

Who owns MRKR?

By type of holder
Institutions 23.8% Insiders 13.6% Everyone else 62.6%
Concentration Top 10 holders own 100.2%
Paul Walker 10.0% · Scott D. Sandell 10.0%
Institutional ownership
23.8%
+0.4 pts vs last qtr
Institutional holders
35
0 vs last qtr
Net shares bought
+67.1K
by institutions in Q2 2026
New / sold out
4 / 4
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • Renaissance Technologies LLC +74.1K
  • Concurrent Investment Advisors, LLC NEW +68.0K

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Biggest sellers in Q2 2026
  • Susquehanna International Group, LLP SOLD OUT −48.8K
  • UBS Group AG −24.2K

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Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Marker Therapeutics Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2015–FY2025
+4080.6%
+59.46% a year
Each share's claim on the business
−97.6%
shrank without buying or selling a share
Spent on buybacks vs paid in stock
$310K vs $22.1M
over 9 fiscal years
Diluted shares, split-adjusted
355.2K7.9M15.5M2015: 366.2K shares'152016: 742.1K shares'162017: 945.3K shares'172020: 4.7M shares'202021: 7.7M shares'212022: 8.4M shares'222023: 8.8M shares'232024: 9.0M shares'242025: 15.3M shares'25
Buybacks Stock-based comp
$0$3.0M$6.0M2015 buybacks: $02015 stock comp: $1.7M'152016 buybacks: $02016 stock comp: $1.6M'162017 buybacks: $310.5K2017 stock comp: $2.7M'172020 buybacks: $02020 stock comp: $5.2M'202021 buybacks: $02021 stock comp: $6.0M'212022 buybacks: $02022 stock comp: $3.3M'222023 buybacks: $02023 stock comp: $858.3K'232024 buybacks: $02024 stock comp: $245.9K'242025 buybacks: $02025 stock comp: $537.5K'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years77% 3–5 years0% 1–3 years17% Under 1 year7%
Quarterly turnover
5.6%
of institutional shares changed hands
Top 10 managers, median time held
5 years

Super Investors

Investment managers reporting MRKR on Form 13F
NM
NEA Management Company, LLC
Shares
1.6M
% of company
9.75%
Change vs last qtr
Unchanged
Held since
≤2021
BO
Blue Owl Capital Holdings LP
Shares
554.3K
% of company
3.32%
Change vs last qtr
Unchanged
Held since
2024

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Institutional Funds

Mutual funds and ETFs reporting MRKR on Form N-PORT; together they hold 3.2% of the company
VT
Vanguard Total Stock Market Index Fund
Vanguard Index Funds
Position value
$438K
% of company
1.79%
% of the fund
0.00%
As of
June 30, 2026
VE
Vanguard Extended Market Index Fund
Vanguard Index Funds
Position value
$188K
% of company
0.77%
% of the fund
0.00%
As of
June 30, 2026

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Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
PW
Paul Walker
5%+ holder13D · 9.9%
Shares
1.7M
% of company
10.02%
Change vs last qtr
—
Held since
—
SD
Scott D. Sandell
5%+ holder13D · 9.9%
Shares
1.7M
% of company
10.02%
Change vs last qtr
—
Held since
—

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