MRKR

Marker Therapeutics Inc$1.42 3.40%
Health CareUSCUSIP 57055L206· EOD Jun 5, 2026◍ Confluence graph
Tracked 13F Holders
26
-2 QoQ
13F Value (tracked)
$4.4M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
11
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)4 adding · 1 trimming
Insider net (180d)$0

Price & smart-money activity

$1.42 3.40%5Y -95.3%
$0.65$8.93$17.20$25.47$33.75202120222023202420252026624223263532433542
Hover for who · click for detailEnd-of-day closing prices52w $0.85 – $2.19
Build

Use MRKR data in an agent

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Build

Ask your agent who owns MRKR

This stock page is the Follow view. The Build view lets your agent query MRKR owners, fund changes, insider filings, and source links through REST or MCP.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/MRKR"
Ask your agent
Use Arkolith to show who owns MRKR,
which funds added or reduced it, and which
SEC filings prove each claim.

Top institutional holders

26 tracked 13F filers
#FundPosition valueSharesLast moveAs ofHistory
1NEA Management Company, LLC
$2.1M
1.6M
Held
Q1 2026
2VANGUARD GROUP INC
$516K
346K
+15%
Added · +46K sh
Q4 2025
3VANGUARD CAPITAL MANAGEMENT LLC
$506K
389K
New
+389K sh
Q1 2026
4RENAISSANCE TECHNOLOGIES LLC
$228K
175K
+42%
Added · +52K sh
Q1 2026
5GEODE CAPITAL MANAGEMENT, LLC
$209K
161K
+23%
Added · +31K sh
Q1 2026
6OSAIC HOLDINGS, INC.
$121K
93K
−1.4%
Reduced · −1K sh
Q1 2026
7VANGUARD FIDUCIARY TRUST CO
$113K
87K
New
+87K sh
Q1 2026
8LPL Financial LLC
$108K
83K
−0.2%
Reduced · −200 sh
Q1 2026
9XTX Topco Ltd
$83K
64K
+9.5%
Added · +6K sh
Q1 2026
10TWO SIGMA INVESTMENTS, LP
$79K
61K
−38%
Reduced · −37K sh
Q1 2026
11SUSQUEHANNA INTERNATIONAL GROUP, LLP
$63K
49K
New
+49K sh
Q1 2026
12JANE STREET GROUP, LLC
$47K
36K
−10%
Reduced · −4K sh
Q1 2026
13UBS Group AG
$42K
32K
−81%
Reduced · −142K sh
Q1 2026
14NORTHERN TRUST CORP
$34K
26K
Held
Q1 2026
15STATE STREET CORP
$27K
21K
Held
Q1 2026
16Creative Planning
$23K
17K
Held
Q1 2026
17Ashton Thomas Private Wealth, LLC
$21K
16K
+64%
Added · +6K sh
Q1 2026
18FIFTH THIRD BANCORP
$13K
10K
Held
Q1 2026
19Tower Research Capital LLC (TRC)
$4K
3K
+339%
Added · +2K sh
Q1 2026
20WELLS FARGO & COMPANY/MN
$302
232
−4.1%
Reduced · −10 sh
Q1 2026
21SIGNATUREFD, LLC
$296
228
New
+228 sh
Q1 2026
22SBI Securities Co., Ltd.
$264
203
Held
Q1 2026
23GROUP ONE TRADING LLC
$231
178
Held
Q1 2026
24BNP PARIBAS FINANCIAL MARKETS
$30
23
Held
Q1 2026
25JPMORGAN CHASE & CO
$29
23
Held
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)
1
funds
Added
3
funds
Reduced
1
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$0
0 insiders
Net
$0
0 P/S txns
Signal
Mixed
open-market
DateInsiderRoleActionSharesValue
Nov 17, 2025Knobil KatharineDirectorGrant (A)84K$0
Nov 17, 2025ELMS STEVEDirectorGrant (A)84K$0
Nov 17, 2025Eansor Norman DavidDirectorGrant (A)84K$0
Nov 17, 2025Eansor Norman DavidDirectorGrant (A)137K$0
Nov 17, 2025ELMS STEVEDirectorGrant (A)137K$0
Nov 17, 2025Knobil KatharineDirectorGrant (A)137K$0
Oct 31, 2025Corzo Kathryn PenkusDirectorGrant (A)148K$0
Oct 31, 2025Vera JuanChief Executive Officer, DirectorGrant (A)250K$0
Feb 12, 2025Vera JuanPresident and CEO, DirectorGrant (A)50K$0
Feb 12, 2025Eansor Norman DavidDirectorGrant (A)30K$0
Feb 12, 2025Knobil KatharineDirectorGrant (A)30K$0
Feb 12, 2025ELMS STEVEDirectorGrant (A)30K$0

Institutional ownership over time

25 funds+2 since Q1 2023
01427Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $3.8M

Funds that own MRKR also own

CompanyCo-held byCombined value
AMAZON.COM INCAMZN5 funds$1.9B
MICRON TECHNOLOGY INCMU5 funds$1.6B
TAIWAN SEMICONDUCTOR-SP ADRTSM5 funds$1.4B
MICROSOFT CORPMSFT5 funds$1.2B
META PLATFORMS INC-CLASS AMETA5 funds$1.1B
BROADCOM INCAVGO5 funds$1.1B
ALPHABET INC-CL AGOOGL5 funds$978.9M
TESLA INCTSLA5 funds$897.7M
WARNER BROS DISCOVERY INCWBD5 funds$814.0M
JPMORGAN CHASE & COJPM5 funds$778.8M
NORFOLK SOUTHERN CORPNSC5 funds$754.0M
BLACKROCK INCBLK5 funds$692.1M

Ranked by how many of MRKR's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

11 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MRKR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.