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GBIO

Generation Bio

Delisted

GBIO was delisted on the 6th of February, 2026.

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$144M +$164M +737,387 New
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$84.6M +$93.1M +418,118 New
AG
3
Artal Group
Luxembourg
$59.1M +$62.7M +281,419 New
FCM
4
Farallon Capital Management
California
$44.5M +$47.2M +211,882 New
Wellington Management Group
5
Wellington Management Group
Massachusetts
$42.6M +$46.1M +207,131 New
CC
6
Casdin Capital
New York
$33.8M +$35.9M +161,121 New
BG
7
Bellevue Group
Switzerland
$30.2M +$32.1M +144,000 New
DM
8
Deerfield Management
New York
$24.9M +$26.4M +118,622 New
FCMI
9
Foresite Capital Management IV
California
$18M +$19.1M +85,794 New
Victory Capital Management
10
Victory Capital Management
Texas
$17.8M +$18.9M +84,869 New
Citadel Advisors
11
Citadel Advisors
Florida
$11.4M +$12.1M +54,310 New
SAM
12
Sectoral Asset Management
Quebec, Canada
$10.7M +$11.4M +51,130 New
HMC
13
Harvard Management Company
Massachusetts
$10.6M +$11.3M +50,627 New
JP Morgan Chase
14
JP Morgan Chase
New York
$9.81M +$10.4M +46,695 New
LGM
15
Logos Global Management
California
$6.83M +$7.24M +32,500 New
Millennium Management
16
Millennium Management
New York
$5.51M +$5.85M +26,241 New
Ensign Peak Advisors
17
Ensign Peak Advisors
Utah
$2.75M +$2.92M +13,100 New
American Century Companies
18
American Century Companies
Missouri
$2.57M +$2.72M +12,217 New
ACP
19
Acuta Capital Partners
California
$2.1M +$2.23M +10,000 New
HM
20
HealthCor Management
New York
$2.1M +$2.23M +10,000 New
Alyeska Investment Group
21
Alyeska Investment Group
Illinois
$1.58M +$1.68M +7,537 New
GGHC
22
Gilder Gagnon Howe & Co
New York
$1.49M +$1.58M +7,074 New
Janus Henderson Group
23
Janus Henderson Group
$1.35M +$1.43M +6,417 New
Goldman Sachs
24
Goldman Sachs
New York
$1.1M +$1.17M +5,260 New
MS
25
Maven Securities
Jersey
$1.05M +$1.11M +5,000 New