Gossamer Bio, Inc. - Common Stock (GOSS)

Historical Holders from Q1 2019 to Q3 2025

Symbol
GOSS on Nasdaq
CUSIP
38341P102
Type / Class
Equity / Common Stock
Shares outstanding
227M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
180M
Holdings value
$474M
% of all portfolios
0.003%
Grand Portfolio weight change
+0%
Number of holders
161
Number of buys
101
Number of sells
-59
Average Value change %
0%
Average buys %
+0%
Average sells %
-0.001%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Gossamer Bio, Inc. - Common Stock (GOSS)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Octagon Capital Advisors LP 8.6% $17.2M 19.6M Octagon Capital Advisors LP Dec 31, 2024
BlackRock, Inc. 5.3% $14.9M 12.1M BlackRock, Inc. Jun 30, 2025
VANGUARD GROUP INC 5.02% +15% $14M $1.69M 11.4M +13.7% The Vanguard Group Jun 30, 2025
Invus Global Management, LLC 2.8% $5.51M 6.26M Invus Public Equities, L.P. Dec 31, 2024

Institutional Holders of Gossamer Bio, Inc. - Common Stock (GOSS)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 180M $474M +$14.5M $2.63 161
2025 Q2 177M $218M +$9.78M $1.23 123
2025 Q1 170M $187M -$1.27M $1.10 118
2024 Q4 171M $155M -$4.64M $0.90 102
2024 Q3 175M $173M -$19.9M $0.99 100
2024 Q2 183M $165M -$20M $0.90 93
2024 Q1 198M $234M -$11.2M $1.18 105
2023 Q4 203M $185M +$4.88M $0.91 96
2023 Q3 206M $171M +$118M $0.83 93
2023 Q2 62M $74.4M -$19.2M $1.20 93
2023 Q1 77.7M $97.9M -$40.1M $1.26 107
2022 Q4 104M $225M -$165M $2.17 116
2022 Q3 85.2M $1.02B +$262M $11.98 156
2022 Q2 63.7M $533M +$32.5M $8.37 128
2022 Q1 59.9M $520M +$5.18M $8.68 138
2021 Q4 58.8M $665M +$43.2M $11.31 129
2021 Q3 54.7M $688M +$24M $12.57 123
2021 Q2 53.1M $431M -$10.2M $8.12 108
2021 Q1 54.3M $502M +$8.87M $9.25 120
2020 Q4 53.1M $514M -$47.1M $9.67 120
2020 Q3 55.5M $689M +$37.3M $12.41 123
2020 Q2 52.5M $684M +$177M $13.00 110
2020 Q1 39M $396M -$15.7M $10.15 95
2019 Q4 40.4M $632M -$16.7M $15.63 90
2019 Q3 41.3M $694M +$154M $16.79 80
2019 Q2 36.7M $813M +$18.8M $22.18 74
2019 Q1 35.9M $776M +$776M $21.67 71