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
160
Number of buys
100
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% $15.3M 19.6M Octagon Capital Advisors LP Dec 31, 2024
BlackRock, Inc. 5.3% $13.3M 12.1M BlackRock, Inc. Jun 30, 2025
VANGUARD GROUP INC 5.02% +15% $12.6M $1.51M 11.4M +13.7% The Vanguard Group Jun 30, 2025
Invus Global Management, LLC 2.8% $4.88M 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 $2.63 160
2025 Q2 177M $218M +$9.78M $1.23 123
2025 Q1 170M $187M -$1.27M $1.10 118
2024 Q4 171M $155M -$4.67M $0.90 102
2024 Q3 175M $173M -$19.9M $0.99 100
2024 Q2 183M $165M -$20M $0.90 93
2024 Q1 198M $234M -$9.74M $1.18 105
2023 Q4 203M $185M +$159K $0.91 95
2023 Q3 206M $171M +$118M $0.83 92
2023 Q2 62M $74.4M -$19.2M $1.20 90
2023 Q1 77.7M $97.9M -$40.3M $1.26 105
2022 Q4 104M $225M -$165M $2.17 114
2022 Q3 85.2M $1.02B +$262M $11.98 150
2022 Q2 61.4M $514M +$24.7M $8.37 119
2022 Q1 58.4M $507M +$4.62M $8.68 131
2021 Q4 55.8M $631M +$43M $11.31 126
2021 Q3 51.5M $647M +$25.3M $12.57 120
2021 Q2 53.1M $431M -$10.1M $8.12 113
2021 Q1 54.2M $501M +$10M $9.25 119
2020 Q4 50.7M $490M -$46.9M $9.67 116
2020 Q3 55.5M $689M +$37.2M $12.41 121
2020 Q2 52.1M $678M +$175M $13.00 105
2020 Q1 39M $396M -$15.7M $10.15 94
2019 Q4 40.3M $629M -$16.7M $15.63 82
2019 Q3 41.3M $693M +$154M $16.79 76
2019 Q2 36.7M $812M +$29.1M $22.18 72
2019 Q1 35.9M $776M +$776M $21.67 71