- Type / Class
- Equity / Common Stock
- Shares outstanding
- 239,264,205
- Total 13F shares
- 169,972,743
- Share change
- -1,198,782
- Total reported value
- $186,887,807
- Put/Call ratio
- 2.7%
- Price per share
- $1.10
- Number of holders
- 118
- Value change
- -$1,268,144
- Number of buys
- 59
- Number of sells
- 37
Quarterly Holders Quick Answers
What is CUSIP 38341P102?
CUSIP 38341P102 identifies GOSS - Gossamer Bio, Inc. - Common Stock in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
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- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 38341P102:
Top shareholders of GOSS - Gossamer Bio, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Octagon Capital Advisors LP |
13F
|
Company |
7.7%
|
18,350,000
|
$16,599,410 | — | 31 Dec 2024 | |
| NEA Management Company, LLC |
13F
|
Company |
7.6%
|
18,093,034
|
$16,366,959 | — | 31 Dec 2024 | |
| VANGUARD GROUP INC |
13F
|
Company |
4.2%
|
10,034,149
|
$9,080,905 | — | 31 Dec 2024 | |
| Alyeska Investment Group, L.P. |
13F
|
Company |
3.7%
|
8,808,514
|
$7,968,182 | — | 31 Dec 2024 | |
| ARCH Venture Management, LLC |
13F
|
Company |
3.4%
|
8,055,916
|
$7,287,382 | — | 31 Dec 2024 | |
| FMR LLC |
13F
|
Company |
3.3%
|
7,933,000
|
$7,176,192 | — | 31 Dec 2024 | |
| 683 Capital Management, LLC |
13F
|
Company |
2.9%
|
6,975,000
|
$6,309,585 | — | 31 Dec 2024 | |
| Palo Alto Investors LP |
13F
|
Company |
2.6%
|
6,277,093
|
$5,678,258 | — | 31 Dec 2024 | |
| SILVERARC CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.6%
|
6,171,847
|
$5,583,053 | — | 31 Dec 2024 | |
| Samsara BioCapital, LLC |
13F
|
Company |
2.6%
|
6,130,268
|
$5,545,440 | — | 31 Dec 2024 | |
| Invus Global Management, LLC |
13D/G
|
Invus Public Equities, L.P. |
2.8%
|
6,258,880
|
$5,507,814 | $0 | 31 Dec 2024 | |
| Monaco Asset Management SAM |
13F
|
Company |
2.2%
|
5,371,641
|
$4,859,186 | — | 31 Dec 2024 | |
| Siren, L.L.C. |
13F
|
Individual |
2.2%
|
5,208,968
|
$4,712,032 | — | 31 Dec 2024 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
2.1%
|
5,104,760
|
$4,615,000 | — | 31 Dec 2024 | |
| Eversept Partners, LP |
13F
|
Company |
2.1%
|
4,978,458
|
$4,503,513 | — | 31 Dec 2024 | |
| HHLR ADVISORS, LTD. |
13F
|
Company |
2.1%
|
4,974,041
|
$4,499,517 | — | 31 Dec 2024 | |
| Opaleye Management Inc. |
13F
|
Company |
1.9%
|
4,490,000
|
$4,061,654 | — | 31 Dec 2024 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.5%
|
3,586,067
|
$3,243,956 | — | 31 Dec 2024 | |
| Corient Private Wealth LLC |
13F
|
Company |
1.4%
|
3,391,483
|
$3,067,936 | — | 31 Dec 2024 | |
| Rock Springs Capital Management LP |
13F
|
Company |
1.4%
|
3,266,960
|
$2,955,292 | — | 31 Dec 2024 | |
| PLATINUM INVESTMENT MANAGEMENT LTD |
13F
|
Company |
1.3%
|
3,180,295
|
$2,876,895 | — | 31 Dec 2024 | |
| BlackRock, Inc. |
13F
|
Company |
1.3%
|
3,029,209
|
$2,740,223 | — | 31 Dec 2024 | |
| MARSHALL WACE, LLP |
13F
|
Company |
1.1%
|
2,534,378
|
$2,280,940 | — | 31 Dec 2024 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.94%
|
2,250,461
|
$2,036,665 | — | 31 Dec 2024 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.88%
|
2,112,745
|
$1,922,598 | — | 31 Dec 2024 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.72%
|
1,712,503
|
$1,549,130 | — | 31 Dec 2024 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.64%
|
1,534,668
|
$1,388,261 | — | 31 Dec 2024 | |
| Laurion Capital Management LP |
13F
|
Company |
0.62%
|
1,487,982
|
$1,346,028 | — | 31 Dec 2024 | |
| DAFNA Capital Management LLC |
13F
|
Company |
0.59%
|
1,409,262
|
$1,274,818 | — | 31 Dec 2024 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.52%
|
1,241,979
|
$1,123,494 | — | 31 Dec 2024 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.48%
|
1,157,500
|
$1,047,074 | — | 31 Dec 2024 | |
| Exome Asset Management LLC |
13F
|
Company |
0.46%
|
1,097,999
|
$993,250 | — | 31 Dec 2024 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.37%
|
891,279
|
$806,251 | — | 31 Dec 2024 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.36%
|
862,413
|
$780,000 | — | 31 Dec 2024 | |
| STATE STREET CORP |
13F
|
Company |
0.32%
|
768,476
|
$695,163 | — | 31 Dec 2024 | |
| Woodline Partners LP |
13F
|
Company |
0.3%
|
728,459
|
$658,964 | — | 31 Dec 2024 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.29%
|
695,915
|
$629,525 | — | 31 Dec 2024 | |
| Allostery Investments LP |
13F
|
Company |
0.26%
|
613,028
|
$554,545 | — | 31 Dec 2024 | |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.25%
|
597,694
|
$540,674 | — | 31 Dec 2024 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.24%
|
577,874
|
$522,745 | — | 31 Dec 2024 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.23%
|
541,000
|
$489,389 | — | 31 Dec 2024 | |
| PRELUDE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.17%
|
414,847
|
$375,271 | — | 31 Dec 2024 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.17%
|
411,326
|
$372,085 | — | 31 Dec 2024 | |
| SMITH, MOORE & CO. |
13F
|
Company |
0.13%
|
300,000
|
$271,380 | — | 31 Dec 2024 | |
| MACKENZIE FINANCIAL CORP |
13F
|
Company |
0.13%
|
299,815
|
$271,213 | — | 31 Dec 2024 | |
| ADAR1 Capital Management, LLC |
13F
|
Company |
0.12%
|
295,613
|
$267,412 | — | 31 Dec 2024 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.11%
|
265,407
|
$240,087 | — | 31 Dec 2024 | |
| Diametric Capital, LP |
13F
|
Company |
0.09%
|
223,770
|
$202,422 | — | 31 Dec 2024 | |
| DIADEMA PARTNERS LP |
13F
|
Company |
0.09%
|
217,987
|
$197,191 | — | 31 Dec 2024 | |
| Opti Capital Management, LP |
13F
|
Company |
0.08%
|
182,319
|
$164,926 | — | 31 Dec 2024 |
Institutional Holders of Gossamer Bio, Inc. - Common Stock (GOSS) as of Q1 2025
As of 31 Mar 2025,
Gossamer Bio, Inc. - Common Stock (GOSS) was held by
118 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
169,972,743 shares.
The largest 10 holders included
Octagon Capital Advisors LP, NEA Management Company, LLC, VANGUARD GROUP INC, ARCH Venture Management, LLC, FMR LLC, ACADIAN ASSET MANAGEMENT LLC, SILVERARC CAPITAL MANAGEMENT, LLC, Palo Alto Investors LP, SAMSARA BIOCAPITAL, LLC, and 683 Capital Management, LLC.
This page lists
118
institutional shareholders reporting positions in this security
for the Q1 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
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 Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.