- Type / Class
- Equity / Common Stock
- Shares outstanding
- 239,264,205
- Total 13F shares
- 177,241,575
- Share change
- +7,252,634
- Total reported value
- $218,003,209
- Put/Call ratio
- 4.5%
- Price per share
- $1.23
- Number of holders
- 123
- Value change
- +$9,779,866
- Number of buys
- 74
- Number of sells
- 53
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.
Related Filing Research
- Latest 13F filings for newly reported positions.
- Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
- Latest 10-Q/10-K reports for financial context tied to this issuer.
- Recent insider transactions for executive and insider activity.
- SEC investors directory and top value investors for manager drilldown.
- Back to full security ownership history.
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
|
$20,185,000 | — | 31 Mar 2025 | |
| NEA Management Company, LLC |
13F
|
Company |
7.6%
|
18,093,034
|
$19,902,337 | — | 31 Mar 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
4.2%
|
10,083,881
|
$11,092,269 | — | 31 Mar 2025 | |
| ARCH Venture Management, LLC |
13F
|
Company |
3.4%
|
8,055,916
|
$8,780,948 | — | 31 Mar 2025 | |
| FMR LLC |
13F
|
Company |
3.2%
|
7,592,980
|
$8,352,278 | — | 31 Mar 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
2.7%
|
6,358,113
|
$6,991,000 | — | 31 Mar 2025 | |
| SILVERARC CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.6%
|
6,320,684
|
$6,952,752 | — | 31 Mar 2025 | |
| Palo Alto Investors LP |
13F
|
Company |
2.6%
|
6,276,893
|
$6,904,582 | — | 31 Mar 2025 | |
| Samsara BioCapital, LLC |
13F
|
Company |
2.6%
|
6,130,268
|
$6,743,295 | — | 31 Mar 2025 | |
| 683 Capital Management, LLC |
13F
|
Company |
2.5%
|
6,100,000
|
$6,710,000 | — | 31 Mar 2025 | |
| Siren, L.L.C. |
13F
|
Individual |
2.2%
|
5,208,968
|
$5,729,865 | — | 31 Mar 2025 | |
| Invus Global Management, LLC |
13D/G
|
Invus Public Equities, L.P. |
2.8%
|
6,258,880
|
$5,507,814 | $0 | 31 Dec 2024 | |
| HHLR ADVISORS, LTD. |
13F
|
Company |
2.1%
|
4,974,041
|
$5,471,445 | — | 31 Mar 2025 | |
| Monaco Asset Management SAM |
13F
|
Company |
2%
|
4,849,134
|
$5,334,047 | — | 31 Mar 2025 | |
| Opaleye Management Inc. |
13F
|
Company |
1.8%
|
4,287,415
|
$4,716,157 | — | 31 Mar 2025 | |
| Alyeska Investment Group, L.P. |
13F
|
Company |
1.7%
|
4,163,734
|
$4,580,107 | — | 31 Mar 2025 | |
| Eversept Partners, LP |
13F
|
Company |
1.6%
|
3,896,841
|
$4,286,525 | — | 31 Mar 2025 | |
| Corient Private Wealth LLC |
13F
|
Company |
1.4%
|
3,391,483
|
$3,730,632 | — | 31 Mar 2025 | |
| Rock Springs Capital Management LP |
13F
|
Company |
1.4%
|
3,266,960
|
$3,593,656 | — | 31 Mar 2025 | |
| BlackRock, Inc. |
13F
|
Company |
1.3%
|
3,072,773
|
$3,380,051 | — | 31 Mar 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
1.2%
|
2,916,109
|
$3,207,720 | — | 31 Mar 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.1%
|
2,678,036
|
$2,945,840 | — | 31 Mar 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.95%
|
2,272,448
|
$2,500,790 | — | 31 Mar 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.88%
|
2,112,745
|
$2,324,020 | — | 31 Mar 2025 | |
| PLATINUM INVESTMENT MANAGEMENT LTD |
13F
|
Company |
0.72%
|
1,731,355
|
$1,904,491 | — | 31 Mar 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.72%
|
1,713,655
|
$1,885,021 | — | 31 Mar 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.66%
|
1,569,155
|
$1,726,071 | — | 31 Mar 2025 | |
| Laurion Capital Management LP |
13F
|
Company |
0.65%
|
1,551,428
|
$1,706,570 | — | 31 Mar 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.54%
|
1,287,200
|
$1,415,920 | — | 31 Mar 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.53%
|
1,275,412
|
$1,402,953 | — | 31 Mar 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.48%
|
1,138,947
|
$1,252,842 | — | 31 Mar 2025 | |
| Exome Asset Management LLC |
13F
|
Company |
0.46%
|
1,097,999
|
$1,207,799 | — | 31 Mar 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.39%
|
939,603
|
$1,033,564 | — | 31 Mar 2025 | |
| DAFNA Capital Management LLC |
13F
|
Company |
0.38%
|
907,854
|
$998,639 | — | 31 Mar 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.37%
|
895,524
|
$985,076 | — | 31 Mar 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.37%
|
882,676
|
$970,944 | — | 31 Mar 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.34%
|
803,815
|
$884,197 | — | 31 Mar 2025 | |
| Woodline Partners LP |
13F
|
Company |
0.3%
|
728,459
|
$801,305 | — | 31 Mar 2025 | |
| Atom Investors LP |
13F
|
Company |
0.29%
|
701,975
|
$772,173 | — | 31 Mar 2025 | |
| Focus Partners Wealth |
13F
|
Company |
0.29%
|
700,000
|
$770,000 | — | 31 Mar 2025 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.29%
|
695,553
|
$765,000 | — | 31 Mar 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.29%
|
683,423
|
$751,766 | — | 31 Mar 2025 | |
| Allostery Investments LP |
13F
|
Company |
0.26%
|
613,028
|
$674,331 | — | 31 Mar 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.23%
|
560,900
|
$616,990 | — | 31 Mar 2025 | |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.21%
|
497,694
|
$547,463 | — | 31 Mar 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.19%
|
459,533
|
$505,487 | — | 31 Mar 2025 | |
| Opti Capital Management, LP |
13F
|
Company |
0.17%
|
414,152
|
$455,567 | — | 31 Mar 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.17%
|
410,116
|
$451,128 | — | 31 Mar 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.16%
|
389,452
|
$428,000 | — | 31 Mar 2025 | |
| PRELUDE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.16%
|
376,802
|
$414,482 | — | 31 Mar 2025 |
Institutional Holders of Gossamer Bio, Inc. - Common Stock (GOSS) as of Q2 2025
As of 30 Jun 2025,
Gossamer Bio, Inc. - Common Stock (GOSS) was held by
123 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
177,241,575 shares.
The largest 10 holders included
Octagon Capital Advisors LP, NEA Management Company, LLC, BlackRock, Inc., VANGUARD GROUP INC, ARCH Venture Management, LLC, FMR LLC, ACADIAN ASSET MANAGEMENT LLC, 683 Capital Management, LLC, SAMSARA BIOCAPITAL, LLC, and Palo Alto Investors LP.
This page lists
123
institutional shareholders reporting positions in this security
for the Q2 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
118
Q2 2025 holders
123
Holder diff
5
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 Value $ | Q2 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.