Gossamer Bio, Inc.

NasdaqGS:GOSS Stock Report

Market Cap: US$157.6m

Gossamer Bio Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:GOSS Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
24 Jun 24SellUS$1,260Richard ArandaIndividual1,908US$0.66
21 Jun 24BuyUS$250,282Faheem HasnainIndividual372,000US$0.67
18 Jun 24BuyUS$59,110Bryan GiraudoIndividual100,000US$0.59
17 Jun 24BuyUS$15,050Robert SmithIndividual25,000US$0.60
27 Mar 24SellUS$26,773Faheem HasnainIndividual23,172US$1.16
27 Mar 24SellUS$7,431Bryan GiraudoIndividual6,430US$1.16
27 Mar 24SellUS$7,430Christian WaageIndividual6,430US$1.16
18 Mar 24SellUS$5,343Caryn PetersonIndividual4,018US$1.33
18 Mar 24SellUS$5,342Richard ArandaIndividual4,018US$1.33

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of GOSS?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders7,182,9823.17%
VC/PE Firms31,374,64413.8%
General Public43,665,74419.3%
Institutions144,380,76763.7%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 67.95% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
7.98%
New Enterprise Associates, Inc.
18,093,034US$12.6m0%0.55%
5.86%
Artal Group S.A.
13,281,610US$9.2m-0.21%0.24%
5.19%
The Vanguard Group, Inc.
11,754,397US$8.2m-0.05%no data
4.05%
Octagon Capital Advisors LP
9,187,883US$6.4m0%1.02%
3.56%
Arch Venture Partners, L.P.
8,055,916US$5.6m0%0.56%
3.5%
FMR LLC
7,935,418US$5.5m0.06%no data
2.84%
T. Rowe Price Group, Inc.
6,434,046US$4.5m17.1%no data
2.77%
Palo Alto Investors LP
6,277,093US$4.4m0%0.61%
2.71%
Samsara BioCapital LLC
6,130,268US$4.3m0%0.62%
2.56%
683 Capital Management, LLC
5,800,000US$4.0m0.87%0.39%
2.55%
Alyeska Investment Group, L.P.
5,767,456US$4.0m5.1%0.02%
2.49%
Silverarc Capital Management, LLC
5,645,352US$3.9m2.64%0.9%
2.44%
Faheem Hasnain
5,528,366US$3.8m0%no data
2.2%
Eversept Partners, L.P.
4,978,458US$3.5m-9.22%0.28%
2.2%
Hillhouse Investment Management, Ltd.
4,974,041US$3.5m0%0.03%
1.74%
Acadian Asset Management LLC
3,948,249US$2.7m9.89%0.01%
1.7%
Monaco Asset Management S.A.M.
3,850,920US$2.7m41.3%1.11%
1.62%
Opaleye Management Inc.
3,665,010US$2.5m-6.27%0.39%
1.56%
Platinum Investment Management Limited
3,524,908US$2.5m0%0.08%
1.54%
Marshall Wace LLP
3,484,932US$2.4m4.48%no data
1.5%
Corient Private Wealth LLC
3,391,483US$2.4m0%no data
1.44%
Rock Springs Capital Management LP
3,266,960US$2.3m0%0.07%
1.38%
Millennium Management LLC
3,128,888US$2.2m-44.1%no data
1.35%
Federated Hermes, Inc.
3,065,136US$2.1m0%0.01%
1.24%
BlackRock, Inc.
2,805,642US$2.0m-0.21%no data