Generation Bio Co. - #OTHER (GBIO)

Historical Holders from Q2 2020 to Q3 2025

Symbol
GBIO on Nasdaq
CUSIP
37148K100
Type / Class
Equity / #OTHER
Shares outstanding
67M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
858K
Holdings value
$5.19M
% of all portfolios
0%
Grand Portfolio weight change
0%
Number of holders
4
Number of sells
-54
Average Value change %
0%
Average sells %
-0.001%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Generation Bio Co. - #OTHER (GBIO)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
FMR LLC 3.5% -48.6% $751K -$730K 2.35M -49.3% FMR LLC Jun 30, 2025
BlackRock, Inc. 1.7% $415K 1.15M BlackRock, Inc. Jun 30, 2025

Institutional Holders of Generation Bio Co. - #OTHER (GBIO)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 858K $5.19M -$57M $6.12 4
2025 Q2 41.3M $13.2M -$2.21M $0.32 56
2025 Q1 47.7M $19.3M -$4.69M $0.41 80
2024 Q4 53.9M $57.1M -$7.37M $1.06 79
2024 Q3 55.2M $136M -$9.38M $2.47 75
2024 Q2 55.5M $156M +$1.09M $2.82 76
2024 Q1 55M $224M +$10.9M $4.07 75
2023 Q4 52.6M $86.7M -$23.3M $1.65 75
2023 Q3 57.2M $217M -$1.29M $3.79 75
2023 Q2 57.3M $315M +$382K $5.50 81
2023 Q1 57.4M $247M +$1.74M $4.30 86
2022 Q4 57.1M $225M -$3.05M $3.93 96
2022 Q3 57.7M $306M -$6.69M $5.31 105
2022 Q2 55.4M $364M -$9.08M $6.56 90
2022 Q1 56.3M $413M +$11M $7.34 84
2021 Q4 54.9M $388M -$38.1M $7.08 85
2021 Q3 48M $1.2B +$36.6M $25.07 81
2021 Q2 46.5M $1.25B +$48.9M $26.90 96
2021 Q1 44.6M $1.27B +$359M $28.46 86
2020 Q4 32M $906M +$57.5M $28.35 68
2020 Q3 29.4M $896M +$44.8M $30.91 52
2020 Q2 28.4M $581M +$581M $21.00 48