Ticker · CUSIP 38341P102

GOSS

GOSSAMER BIO INC
···Share
Holders (tracked)
15
Combined shares
16,698,924
Combined value
$51.42M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
15102024Q12025Q4

SEC event timeline

18 events
  1. −50,109 shares · 2025Q4
    13F
  2. −1,579,429 shares · 2025Q4
    13F
  3. +1,109,859 shares · 2025Q4
    13F
  4. −35,041 shares · 2025Q4
    13F
  5. +100,000 shares · 2025Q4
    13F
  6. +472,625 shares · 2025Q4
    13F
  7. +12,480 shares · 2025Q4
    13F
  8. −40,392 shares · 2025Q4
    13F
  9. +50,000 shares · 2025Q4
    13F
  10. −2,321,300 shares · 2025Q4
    13F
  11. −46,464 shares · 2025Q3
    13F
  12. +646,615 shares · 2025Q3
    13F
  13. +3,123,081 shares · 2025Q3
    13F
  14. +542,124 shares · 2025Q3
    13F
  15. +192,010 shares · 2025Q3
    13F
  16. +5,367 shares · 2025Q3
    13F
  17. +641,715 shares · 2025Q3
    13F
  18. +247,894 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions1
Added to4
Trimmed5
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
11
$6.43B
2022Q2
10
$2.74B
2022Q3
12
$200K
2022Q4
9
$27.0M
2023Q1
11
$18.6M
2023Q2
12
$17.6M
2023Q3
9
$19.7M
2023Q4
10
$18.2M
2024Q1
10
$22.9M
2024Q2
10
$18.1M
2024Q3
9
$11.6M
2024Q4
9
$10.5M
2025Q1
9
$11.9M
2025Q2
10
$13.5M
2025Q3
12
$47.6M
2025Q4
15
$51.4M

Who owns GOSS

15 super-investors · 2025Q4
Tracked stake
16.70M
shares
Combined value
$51M
% of shares outstanding
shares-out unknown
Quarter action mix
New3Added4Trim7Held1
#ManagerSharesValue
1Hillhouse
HHLR Advisors
4.97M$15M
2Izzy Englander
Millennium Mgmt
3.58M$11M
3Two Sigma Investments3.40M$11M
4AQR Capital Management1.12M$3M
5Ken Griffin
Citadel Advisors
704.8K$2M
6Ken Griffin
Citadel Advisors
691.1K$2M
7Renaissance Technologies658.9K$2M
8Wellington Management601.3K$2M
9Paul Tudor Jones
Tudor Investment
300.0K$930K
10D.E. Shaw & Co.198.7K$616K
11Ken Griffin
Citadel Advisors
171.3K$531K
12Steve Cohen
Point72
125.0K$388K
13Paul Tudor Jones
Tudor Investment
50.0K$155K
14Paul Tudor Jones
Tudor Investment
10.0K$31K
15T. Rowe Price113.1K$351

Recent moves

20 transactions
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