Marker Therapeutics, Inc. (MRKR) Ownership
MRKR ownership summary
as of October 17, 2026- Institutions
- 23.8% of shares outstanding
- Insiders
- 5.49% of shares outstanding
- Shares outstanding
- 16.7M
- Float
- 13.7M shares available to trade
- Short interest
- 1.25% 169K shares short
- Days to cover
- 2.51 short interest down 25.5% vs prior month
- Institutions 23.80%
- Insiders 5.49%
- Other investors 70.71%
MRKR top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | NEA Management Company, LLC | 9.75% | 1.6M | $1.7M | — | June 30, 2026 |
| 2 | Blue Owl Capital Holdings LP | 3.32% | 554K | $576,420 | — | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 2.56% | 426K | $443,216 | +36,850 (+9.5%) | June 30, 2026 |
| 4 | Aisling Capital Management LP | 1.95% | 325K | $338,385 | — | June 30, 2026 |
| 5 | Renaissance Technologies Corp | 1.50% | 249K | $259,400 | +74,129 (+42.3%) | June 30, 2026 |
| 6 | Geode Capital Management, LLC | 0.84% | 140K | $145,409 | −21,094 (−13.1%) | June 30, 2026 |
| 7 | Advisor Group Holdings, Inc. | 0.68% | 113K | $117,155 | +19,528 (+21.0%) | June 30, 2026 |
| 8 | Vanguard Fiduciary Trust Co | 0.52% | 87K | $90,760 | — | June 30, 2026 |
| 9 | LPL Financial Corp | 0.50% | 83K | $86,473 | +100 (+0.1%) | June 30, 2026 |
| 10 | Two Sigma Investments LLC | 0.36% | 60K | $62,609 | −800 (−1.3%) | June 30, 2026 |
| 11 | XTX Topco Ltd | 0.27% | 45K | $47,171 | −18,210 (−28.6%) | June 30, 2026 |
| 12 | Northern Trust Corp | 0.21% | 35K | $36,014 | +8,620 (+33.1%) | June 30, 2026 |
| 13 | Citadel Advisors Llc | 0.20% | 33K | $33,818 | +32,517 (0.0%) | June 30, 2026 |
| 14 | State Street Corp | 0.13% | 21K | $21,786 | — | June 30, 2026 |
| 15 | Invst LLC | 0.11% | 18K | $18,720 | −11,000 (−37.9%) | June 30, 2026 |
| 16 | Creative Planning Inc | 0.10% | 17K | $18,004 | — | June 30, 2026 |
| 17 | Jane Street Group LLC | 0.10% | 17K | $17,505 | −19,471 (−53.6%) | June 30, 2026 |
| 18 | Virtu Financial LLC | 0.07% | 12K | $12,037 | +11,574 (0.0%) | June 30, 2026 |
| 19 | Fifth Third Bancorp | 0.06% | 10K | $10,400 | — | June 30, 2026 |
| 20 | UBS Group AG | 0.05% | 8,150 | $8,476 | −24,219 (−74.8%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 7 holders added 183K shares and 6 cut 95K.
MRKR top mutual fund and ETF holders
6 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 1.79% | 298K | $310,017 | — | August 31, 2026 |
| 2 | Fidelity Extended Market Index | 0.43% | 72K | $74,491 | −385 (−0.5%) | August 31, 2026 |
| 3 | Fidelity Series Total Market Index | 0.12% | 19K | $20,164 | — | August 31, 2026 |
| 4 | Fidelity Total Market Index | 0.08% | 13K | $13,323 | — | August 31, 2026 |
| 5 | Fidelity Nasdaq Composite Index | 0.02% | 3,605 | $3,749 | — | August 31, 2026 |
| 6 | Vanguard U.S. Eq Idx £ Acc | 0.02% | 2,512 | $2,612 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
MRKR insider transactions
latest 2| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2024-12-23 | Enterprise Associates 16 New | Buy | $3.20 | 554,250 | $1.8M |
| 2024-12-23 | Steve Elms | Buy | $3.20 | 11,085 | $35,472 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
MRKR shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns MRKR
Institutional investors own 23.8% of Marker Therapeutics's shares and insiders 5.49%. The largest holder is NEA Management Company, LLC with 9.75% of the shares (1.6M), as of June 30, 2026. Among the top 20 institutions, 7 added shares and 6 reduced their stake in the latest filings. Short interest is 1.25% of the float, or 2.51 days of average trading volume. The share count rose 565.4% since 2014.
Related: MRKR analyst forecast, MRKR key metrics. See the MRKR stock overview for the latest quote and news.
MRKR ownership FAQ
Who owns the most Marker Therapeutics stock?
The largest shareholders of Marker Therapeutics are NEA Management Company, LLC (9.75%), Blue Owl Capital Holdings LP (3.32%), Vanguard Capital Management, LLC (2.56%), Aisling Capital Management LP (1.95%), Renaissance Technologies Corp (1.50%).
What percentage of Marker Therapeutics is owned by institutions?
Institutions hold 23.8% of Marker Therapeutics's shares outstanding; insiders hold 5.49%.
Which funds own Marker Therapeutics?
The largest fund holders of Marker Therapeutics are Vanguard MStar Total Stk Mkt Idx Invest (1.79%), Fidelity Extended Market Index (0.43%), Fidelity Series Total Market Index (0.12%), Fidelity Total Market Index (0.08%), Fidelity Nasdaq Composite Index (0.02%).
What is Marker Therapeutics's short interest?
169K shares of Marker Therapeutics were sold short, 1.25% of the float; at the average daily volume it would take 2.51 days to cover.
Are insiders buying or selling Marker Therapeutics?
Of the latest 2 reported insider transactions in Marker Therapeutics (since December 23, 2024), 2 were purchases and 0 were sales.
How many shares of Marker Therapeutics are outstanding?
Marker Therapeutics has 16.7M shares outstanding, of which 13.7M are in the public float.