Security key
38341P102
Gossamer Bio, Inc. - Common Stock, $0.0001 par value per share (GOSS)
CUSIP: 38341P102
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / Common Stock, $0.0001 par value per share
- Total 13F shares
- 169,972,743
- Total 13F value
- $186,887,807
- Share change
- -1,198,782
- Put/Call ratio
- 2.7%
- SEC-reported price per share
- $1.10
- Number of holders
- 118
- Value change
- -$1,268,144
- Number of buys
- 59
- Number of sells
- 37
- Shares outstanding
- 493,290,788
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2025
Institutions
118
Top holders
10
GOSS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2025
Previous quarter: Q4 2024
Gossamer Bio, Inc. SEC filings
Gossamer Bio, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 38341P102
Recent filing periods:
Ownership snapshot
Top reported holders of GOSS - Gossamer Bio, Inc. - Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Invus Global Management, LLC
Disclosed value leader
Octagon Capital Advisors LP
Comparable rows
15/15
Latest evidence
31 Dec 2024
13D/G
13F
Lead comparable stake: 2.8%
13D/G row: Invus Global Management, LLC
Showing 1-6 of 15 holder rows.
Quick read
Invus Global Management, LLC leads the comparable SEC ownership view at 2.8%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Invus Global Management, LLC's linked filing trail.
Comparable ownership
Top 5
Invus Global Management, LLC
2.8%
Octagon Capital Advisors LP
3.7%
NEA Management Company, LLC
3.7%
VANGUARD GROUP INC
2%
Alyeska Investment Group, L.P.
1.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Invus Global Management, LLC |
13D/G
Invus Public Equities, L.P.
|
2.8%
|
$5,507,814
6,258,880 shares
|
$0 | 31 Dec 2024 |
| Octagon Capital Advisors LP |
13F
Company
|
3.7%
|
$16,599,410
18,350,000 shares
|
— | 31 Dec 2024 |
| NEA Management Company, LLC |
13F
Company
|
3.7%
|
$16,366,959
18,093,034 shares
|
— | 31 Dec 2024 |
| VANGUARD GROUP INC |
13F
Company
|
2%
|
$9,080,905
10,034,149 shares
|
— | 31 Dec 2024 |
| Alyeska Investment Group, L.P. |
13F
Company
|
1.8%
|
$7,968,182
8,808,514 shares
|
— | 31 Dec 2024 |
| ARCH Venture Management, LLC |
13F
Company
|
1.6%
|
$7,287,382
8,055,916 shares
|
— | 31 Dec 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
118
Shares
169,972,743
Rows available
118
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2025 vs Q4 2024 Across Filers
Q4 2024 holders
102
Q1 2025 holders
118
Holder diff
16
| Investor | Q4 2024 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q4 2024 value | Q1 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend