CGEM

Cullinan Therapeutics Inc$16.41 7.96%
Health CareUSCUSIP 230031106· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
148
+22 QoQ
13F Value (tracked)
$745.6M
Insider Net · 180d
-$1.4M
0↑ 5↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)25 adding · 15 trimming
Insider net (180d)-$1.4M

Price & smart-money activity

$16.41 7.96%5Y -40.0%
$3.84$10.77$17.71$24.65$31.582021202220232024202520267961681328109425912171717162818161917121416201820223461428236272442733292939278442923412523
Hover for who · click for detailEnd-of-day closing prices52w $5.75 – $18.48

Top institutional holders

148 tracked 13F filers
#FundPosition valueSharesLast moveAs ofHistory
1MPM BioImpact LLC
$108.7M
7.6M
Held
Q1 2026
2BVF INC/IL
$81.7M
5.8M
Held
Q1 2026
3BlackRock, Inc.
$63.2M
4.4M
+1.1%
Added · +50K sh
Q1 2026
4Kynam Capital Management, LP
$44.3M
3.1M
Held
Q1 2026
5STATE STREET CORP
$36.2M
2.5M
+16%
Added · +347K sh
Q1 2026
6VANGUARD CAPITAL MANAGEMENT LLC
$35.3M
2.5M
New
+2.5M sh
Q1 2026
7PRICE T ROWE ASSOCIATES INC /MD/
$28.8M
2.0M
43×
Added · +2.0M sh
Q1 2026
8RTW INVESTMENTS, LP
$24.2M
1.7M
Held
Q1 2026
9Venrock Adviser, LLC
$19.6M
1.4M
Held
Q1 2026
10GEODE CAPITAL MANAGEMENT, LLC
$19.4M
1.4M
+5.1%
Added · +66K sh
Q1 2026
11Siren, L.L.C.
$17.0M
1.2M
Held
Q1 2026
12Nextech Invest, Ltd.
$16.2M
1.1M
Held
Q1 2026
13BOOTHBAY FUND MANAGEMENT, LLC
$15.8M
1.1M
−10%
Reduced · −124K sh
Q1 2026
14MARSHALL WACE, LLP
$14.9M
1.0M
+153%
Added · +635K sh
Q1 2026
15DIMENSIONAL FUND ADVISORS LP
$12.9M
906K
+6.7%
Added · +57K sh
Q1 2026
16Point72 Asset Management, L.P.
$12.9M
905K
+151%
Added · +545K sh
Q1 2026
17Nuveen, LLC
$11.4M
806K
+39%
Added · +227K sh
Q1 2026
18Affinity Asset Advisors, LLC
$11.1M
781K
−60%
Reduced · −1.2M sh
Q1 2026
19MORGAN STANLEY
$8.4M
589K
−23%
Reduced · −177K sh
Q1 2026
20VANGUARD PORTFOLIO MANAGEMENT LLC
$7.9M
553K
New
+553K sh
Q1 2026
21TWO SIGMA INVESTMENTS, LP
$7.4M
522K
+11%
Added · +52K sh
Q1 2026
22BANK OF AMERICA CORP /DE/
$7.3M
517K
+49%
Added · +170K sh
Q1 2026
23GOLDMAN SACHS GROUP INC
$6.5M
455K
−37%
Reduced · −266K sh
Q1 2026
24NORTHERN TRUST CORP
$6.4M
449K
+6.5%
Added · +28K sh
Q1 2026
25CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$6.2M
433K
−0.8%
Reduced · −3K sh
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)
9
funds
Added
16
funds
Reduced
15
funds
Exited
0
funds

Funds that own CGEM also own

CompanyCo-held byCombined value
NEUROCRINE BIOSCIENCES INCNBIX47 funds$552.9M
MICROSOFT CORPMSFT46 funds$17.7B
AMAZON.COM INCAMZN46 funds$14.0B
BROADCOM INCAVGO46 funds$11.2B
ELI LILLY & COLLY46 funds$4.4B
META PLATFORMS INC-CLASS AMETA45 funds$8.8B
MICRON TECHNOLOGY INCMU45 funds$6.3B
CHEVRON CORPCVX45 funds$2.9B
BOSTON SCIENTIFIC CORPBSX45 funds$1.5B
CENTENE CORPCNC45 funds$757.9M
STRYKER CORPSYK45 funds$600.8M
NVIDIA CORPNVDA44 funds$29.0B

Ranked by how many of CGEM's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$1.4M
5 insiders
Net
-$1.4M
18 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jul 6, 2026Michaelson JenniferChief Scientific OfficerSell (S)8K$143K
May 5, 2026Michaelson JenniferChief Scientific OfficerSell (S)8K$114K
May 5, 2026Michaelson JenniferChief Scientific OfficerSell (S)200$3K
Mar 5, 2026Michaelson JenniferChief Scientific OfficerSell (S)8K$125K
Feb 25, 2026Michaelson JenniferChief Scientific OfficerSell (S)2K$25K
Feb 24, 2026SUMER JACQUELYN LChief Legal OfficerSell (S)4K$52K
Feb 24, 2026Jones Jeffrey AlanChief Medical OfficerSell (S)5K$66K
Feb 24, 2026AHMED NADIMPresident and CEO, DirectorSell (S)14K$196K
Feb 24, 2026Michaelson JenniferChief Scientific OfficerSell (S)4K$52K
Feb 23, 2026Michaelson JenniferChief Scientific OfficerSell (S)2K$25K
Feb 20, 2026AHMED NADIMPresident and CEO, DirectorSell (S)16K$223K
Feb 20, 2026SUMER JACQUELYN LChief Legal OfficerSell (S)4K$51K

Institutional ownership over time

145 funds+48 since Q3 2024
073145Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $745.0M

Recent filings

15 shown

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Ask your agent what changed in CGEM

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

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  "https://arkolith.com/api/v1/stocks/CGEM/capital-change-brief"
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Use Arkolith's capital_change_brief for CGEM.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for CGEM. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.