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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
American Century Companies
26
American Century Companies
Missouri
$4.05M +$722K +2,257 +19%
D.E. Shaw & Co
27
D.E. Shaw & Co
New York
$3.81M +$3.77M +11,771 +720%
Voloridge Investment Management
28
Voloridge Investment Management
Florida
$3.64M +$4.09M +12,791 New
LCM
29
Laurion Capital Management
New York
$3.56M +$4M +12,500 New
Citigroup
30
Citigroup
New York
$3.42M +$3.73M +11,640 +2,947%
Nuveen
31
Nuveen
North Carolina
$3.36M +$2.29M +7,151 +153%
Rafferty Asset Management
32
Rafferty Asset Management
New York
$2.73M +$3.07M +9,588 New
Swiss National Bank
33
Swiss National Bank
Switzerland
$1.99M +$1.4M +4,380 +167%
PMAM
34
Penn Mutual Asset Management
Pennsylvania
$1.94M +$881K +2,752 +68%
California State Teachers Retirement System (CalSTRS)
35
California State Teachers Retirement System (CalSTRS)
California
$1.73M +$1.35M +4,219 +227%
Simplex Trading
36
Simplex Trading
Illinois
$1.59M +$1.79M +5,603 New
State of Wisconsin Investment Board
37
State of Wisconsin Investment Board
Wisconsin
$1.54M +$1.18M +3,700 +214%
AllianceBernstein
38
AllianceBernstein
Tennessee
$1.31M +$1.47M +4,601 New
RhumbLine Advisers
39
RhumbLine Advisers
Massachusetts
$1.2M +$912K +2,850 +208%
Susquehanna International Group
40
Susquehanna International Group
Pennsylvania
$1.16M +$1.3M +4,070 New
Citadel Advisors
41
Citadel Advisors
Florida
$1.04M +$1.17M +3,648 New
Los Angeles Capital Management
42
Los Angeles Capital Management
California
$933K +$1.05M +3,279 New
UBS Group
43
UBS Group
Switzerland
$774K +$870K +2,719 New
AIG
44
American International Group
New York
$668K +$523K +1,634 +229%
CS
45
Credit Suisse
Switzerland
$641K +$48K +150 +7%
California Public Employees Retirement System
46
California Public Employees Retirement System
California
$635K -$65.9K -206 -8%
New York State Common Retirement Fund
47
New York State Common Retirement Fund
New York
$632K +$352K +1,100 +98%
Manulife (Manufacturers Life Insurance)
48
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$627K +$475K +1,484 +207%
SAM
49
Sectoral Asset Management
Quebec, Canada
$613K +$689K +2,152 New
Ameriprise
50
Ameriprise
Minnesota
$584K -$137K -429 -17%