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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
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$23.1M -$429K -16,204 -2%
AVLSA
2
Atlas Venture Life Science Advisors
Massachusetts
$20.5M – – –
Fidelity Investments
3
Fidelity Investments
Massachusetts
$13.1M +$41.4K +1,566 +0.3%
BG
4
Bellevue Group
Switzerland
$9.68M – – –
BlackRock
5
BlackRock
New York
$8.44M +$322K +12,175 +4%
Bank of America
6
Bank of America
North Carolina
$7.37M +$4.34K +164 +0.1%
SL
7
Siren LLC
Connecticut
$7.37M +$7.89M +298,273 New
Vanguard Group
8
Vanguard Group
Pennsylvania
$6.51M +$125K +4,715 +2%
EC
9
EcoR1 Capital
California
$5.06M – – –
BBA
10
Baker Bros. Advisors
New York
$4.8M +$1.95M +73,799 +61%
Goldman Sachs
11
Goldman Sachs
New York
$2.93M -$230K -8,682 -7%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$2.81M +$8.62K +326 +0.3%
Morgan Stanley
13
Morgan Stanley
New York
$2.47M +$167K +6,327 +7%
State Street
14
State Street
Massachusetts
$2.45M +$30.9K +1,167 +1%
UBS Group
15
UBS Group
Switzerland
$2.09M +$23.9K +904 +1%
PHS
16
PFM Health Sciences
California
$1.95M – – –
Acadian Asset Management
17
Acadian Asset Management
Massachusetts
$1.5M +$29.7K +1,124 +2%
Renaissance Technologies
18
Renaissance Technologies
New York
$1.47M -$111K -4,210 -7%
D.E. Shaw & Co
19
D.E. Shaw & Co
New York
$1.21M +$1.61K +61 +0.1%
Dimensional Fund Advisors
20
Dimensional Fund Advisors
Texas
$1.09M -$117K -4,428 -9%
Charles Schwab
21
Charles Schwab
California
$1.05M +$23K +869 +2%
Northern Trust
22
Northern Trust
Illinois
$968K +$68.5K +2,591 +7%
TD Asset Management
23
TD Asset Management
Ontario, Canada
$828K – – –
BCM
24
Bridgeway Capital Management
Texas
$800K +$132K +5,000 +18%
Los Angeles Capital Management
25
Los Angeles Capital Management
California
$730K -$122K -4,613 -13%