- Type / Class
- Equity / Common Stock
- Shares outstanding
- 239,264,205
- Total 13F shares
- 185,006,357
- Share change
- +5,001,775
- Total reported value
- $573,481,341
- Put/Call ratio
- 33%
- Price per share
- $3.10
- Number of holders
- 194
- Value change
- +$17,709,144
- Number of buys
- 115
- Number of sells
- 63
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.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- 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 |
|---|---|---|---|---|---|---|---|---|
| NEA Management Company, LLC |
13F
|
Company |
7.6%
|
18,093,034
|
$47,584,679 | — | 30 Sep 2025 | |
| Octagon Capital Advisors LP |
13D/G
13F
|
Company |
6.5%
|
15,141,425
|
$46,938,418 | -$13,747,350 | 31 Dec 2025 | |
| BlackRock, Inc. |
13D/G
13F
|
Company |
6.5%
|
15,065,708
|
$46,705,201 | +$9,084,437 | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
5%
|
12,009,773
|
$31,585,704 | — | 30 Sep 2025 | |
| ARCH Venture Management, LLC |
13F
|
Company |
3.4%
|
8,055,916
|
$21,187,059 | — | 30 Sep 2025 | |
| Samsara BioCapital, LLC |
13F
|
Company |
2.6%
|
6,130,268
|
$16,122,605 | — | 30 Sep 2025 | |
| Palo Alto Investors LP |
13F
|
Company |
2.3%
|
5,464,349
|
$14,371,238 | — | 30 Sep 2025 | |
| Siren, L.L.C. |
13F
|
Individual |
2.2%
|
5,208,968
|
$13,699,586 | — | 30 Sep 2025 | |
| 683 Capital Management, LLC |
13F
|
Company |
2.1%
|
5,059,200
|
$13,305,696 | — | 30 Sep 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
2.1%
|
5,012,969
|
$13,181,000 | — | 30 Sep 2025 | |
| HHLR ADVISORS, LTD. |
13F
|
Company |
2.1%
|
4,974,041
|
$13,081,728 | — | 30 Sep 2025 | |
| SILVERARC CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2%
|
4,779,082
|
$12,568,986 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2%
|
4,689,531
|
$12,335,807 | — | 30 Sep 2025 | |
| FMR LLC |
13F
|
Company |
1.7%
|
4,085,346
|
$10,744,459 | — | 30 Sep 2025 | |
| STATE STREET CORP |
13F
|
Company |
1.6%
|
3,883,667
|
$10,214,044 | — | 30 Sep 2025 | |
| PERCEPTIVE ADVISORS LLC |
13F
|
Company |
1.6%
|
3,812,797
|
$10,027,656 | — | 30 Sep 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.5%
|
3,619,329
|
$9,518,835 | — | 30 Sep 2025 | |
| Rock Springs Capital Management LP |
13F
|
Company |
1.4%
|
3,266,960
|
$8,592,105 | — | 30 Sep 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
1.2%
|
2,980,188
|
$7,837,894 | — | 30 Sep 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.2%
|
2,881,904
|
$7,579,408 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
1.2%
|
2,770,046
|
$7,285,221 | — | 30 Sep 2025 | |
| Opaleye Management Inc. |
13F
|
Company |
1.1%
|
2,725,000
|
$7,166,750 | — | 30 Sep 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.96%
|
2,287,251
|
$6,015,470 | — | 30 Sep 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.95%
|
2,284,216
|
$6,007,488 | — | 30 Sep 2025 | |
| Invus Global Management, LLC |
13D/G
|
Invus Public Equities, L.P. |
2.8%
|
6,258,880
|
$5,507,814 | $0 | 31 Dec 2024 | |
| Alyeska Investment Group, L.P. |
13F
|
Company |
0.8%
|
1,909,087
|
$5,020,899 | — | 30 Sep 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.78%
|
1,870,100
|
$4,918,363 | — | 30 Sep 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.72%
|
1,729,634
|
$4,548,937 | — | 30 Sep 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.63%
|
1,495,403
|
$3,932,911 | — | 30 Sep 2025 | |
| MB Generational Wealth, LLC |
13F
|
Company |
0.59%
|
1,414,824
|
$3,720,987 | — | 30 Sep 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.59%
|
1,408,118
|
$3,703,350 | — | 30 Sep 2025 | |
| Monaco Asset Management SAM |
13F
|
Company |
0.58%
|
1,379,416
|
$3,627,864 | — | 30 Sep 2025 | |
| Focus Partners Wealth |
13F
|
Company |
0.55%
|
1,325,198
|
$3,485,272 | — | 30 Sep 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.53%
|
1,278,921
|
$3,363,562 | — | 30 Sep 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.45%
|
1,077,135
|
$2,832,865 | — | 30 Sep 2025 | |
| Jain Global LLC |
13F
|
Company |
0.44%
|
1,054,356
|
$2,772,956 | — | 30 Sep 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.42%
|
1,001,603
|
$2,635,000 | — | 30 Sep 2025 | |
| Eversept Partners, LP |
13F
|
Company |
0.39%
|
925,233
|
$2,433,363 | — | 30 Sep 2025 | |
| TANG CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.33%
|
800,000
|
$2,104,000 | — | 30 Sep 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
0.32%
|
770,574
|
$2,026,610 | — | 30 Sep 2025 | |
| PLATINUM INVESTMENT MANAGEMENT LTD |
13F
|
Company |
0.32%
|
764,165
|
$2,009,754 | — | 30 Sep 2025 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
|
Company |
0.3%
|
726,800
|
$1,911,484 | — | 30 Sep 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.29%
|
702,065
|
$1,846,431 | — | 30 Sep 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.29%
|
685,049
|
$1,801,676 | — | 30 Sep 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.27%
|
646,615
|
$1,700,597 | — | 30 Sep 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.27%
|
641,715
|
$1,687,711 | — | 30 Sep 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.27%
|
635,397
|
$1,671,094 | — | 30 Sep 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.24%
|
566,419
|
$1,489,683 | — | 30 Sep 2025 | |
| Walleye Capital LLC |
13F
|
Company |
0.23%
|
545,679
|
$1,435,136 | — | 30 Sep 2025 | |
| SILVERBACK ASSET MANAGEMENT LLC |
13F
|
Company |
0.21%
|
500,000
|
$1,315,000 | — | 30 Sep 2025 |
Institutional Holders of Gossamer Bio, Inc. - Common Stock (GOSS) as of Q4 2025
As of 31 Dec 2025,
Gossamer Bio, Inc. - Common Stock (GOSS) was held by
194 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
185,006,357 shares.
The largest 10 holders included
NEA Management Company, LLC, BlackRock, Inc., Octagon Capital Advisors LP, VANGUARD GROUP INC, STATE STREET CORP, ARCH Venture Management, LLC, SAMSARA BIOCAPITAL, LLC, Siren, L.L.C., 683 Capital Management, LLC, and HHLR ADVISORS, LTD..
This page lists
194
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
162
Q4 2025 holders
194
Holder diff
32
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 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.