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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
$204M -$6.18M -19,252 -3%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$125M +$2.35M +7,322 +2%
AG
3
Artal Group
Luxembourg
$79.8M – – –
BG
4
Bellevue Group
Switzerland
$66.1M +$14.5M +45,318 +24%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$65.3M -$5.87M -18,281 -7%
FCM
6
Farallon Capital Management
California
$64.3M +$4.76M +14,819 +7%
CC
7
Casdin Capital
New York
$45.7M – – –
BlackRock
8
BlackRock
New York
$37.9M +$21.4M +66,565 +99%
DM
9
Deerfield Management
New York
$27.3M – – –
Vanguard Group
10
Vanguard Group
Pennsylvania
$26.3M +$2.52M +7,840 +9%
FCMI
11
Foresite Capital Management IV
California
$24.3M – – –
JP Morgan Chase
12
JP Morgan Chase
New York
$22.1M +$8.1M +25,244 +48%
Victory Capital Management
13
Victory Capital Management
Texas
$20.4M -$4.74M -14,765 -17%
State Street
14
State Street
Massachusetts
$15.1M +$12.5M +38,990 +270%
HMC
15
Harvard Management Company
Massachusetts
$14.8M +$488K +1,519 +3%
TOCUITCONY
16
Trustees of Columbia University in the City of New York
New York
$8.87M +$10M +31,288 New
Bank of New York Mellon
17
Bank of New York Mellon
New York
$8.34M +$90.8K +283 +1%
Ensign Peak Advisors
18
Ensign Peak Advisors
Utah
$8.3M +$2.37M +7,385 +34%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$6.39M +$749K +2,335 +12%
DGM
20
Darwin Global Management
Jersey
$5.59M +$6.33M +19,719 New
Goldman Sachs
21
Goldman Sachs
New York
$4.71M +$5.09M +15,847 +2,107%
Northern Trust
22
Northern Trust
Illinois
$4.24M -$5.78K -18 -0.1%
American Century Companies
23
American Century Companies
Missouri
$3.4M -$122K -379 -3%
TD Asset Management
24
TD Asset Management
Ontario, Canada
$3.06M +$2.63M +8,206 +318%
Charles Schwab
25
Charles Schwab
California
$2.34M +$58.7K +183 +2%