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Gossamer Bio, Inc. (GOSS)

Price$0.1729Cached quote
GOSSNasdaq
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Financial charts

Total cash / debt

CashTotal debt

Financial statements

9 annual periodsNewest to oldest
202520242023202220212020201920182017
Revenue$48.5M$114.7M$0$0—————
Research & development$174.1M$138.5M$135.3M$170.9M$170.3M$160.9M$143.4M$55.3M$891,000
Operating expenses$219.2M$174.6M$183.8M$218.6M$216.1M$234.0M$186.1M$149.0M$6.7M
Operating income−$170.7M−$59.9M−$183.8M−$218.6M−$216.1M−$234.0M−$186.1M−$149.0M−$6.7M
Operating margin−352.23%−52.24%———————
EBITDA−$170.7M−$59.1M−$182.2M−$216.8M−$214.4M−$232.6M−$185.2M−$148.7M−$6.7M
EBITDA margin−352.18%−51.51%———————
Net income−$170.4M−$56.5M−$179.8M−$229.4M−$234.0M−$243.4M−$180.3M−$147.0M−$6.8M
Net profit margin−351.49%−49.28%———————
Basic EPSper basic share-$0.75-$0.25-$1.18-$2.71-$3.13-$3.55-$3.29-$22.59-$0.74
Diluted EPSper diluted share-$0.75-$0.25-$1.18-$2.71-$3.13-$3.55-$3.29-$22.59-$0.74
Review official source filings ↗

Owners

Reported shareholders

Reference date Jun 30, 2026
D. E. Shaw & Co., Inc. · 8.38% of listed shares683 Capital Management, LLC · 8.02% of listed sharesDeepCurrents Investment Group LLC · 7.70% of listed sharesContext Capital Management, LLC · 5.92% of listed sharesWorth Venture Partners, LLC · 5.12% of listed sharesKalehua Capital Management LLC · 4.56% of listed sharesAQR CAPITAL MANAGEMENT LLC · 3.20% of listed sharesGSA CAPITAL PARTNERS LLP · 3.07% of listed sharesWOLVERINE ASSET MANAGEMENT LLC · 2.64% of listed sharesRENAISSANCE TECHNOLOGIES LLC · 2.38% of listed sharesVANGUARD CAPITAL MANAGEMENT LLC · 1.93% of listed sharesARCH Venture Management, LLC · 1.65% of listed sharesBARCLAYS PLC · 1.60% of listed sharesOctagon Capital Advisors LP · 1.59% of listed sharesBlackRock, Inc. · 1.57% of listed sharesARROWSTREET CAPITAL, LIMITED PARTNERSHIP · 1.55% of listed sharesTWO SIGMA INVESTMENTS, LP · 1.52% of listed sharesSAMSARA BIOCAPITAL, LLC · 1.48% of listed sharesQube Research & Technologies Ltd · 1.45% of listed sharesHasnain Faheem · ≈1.28% of listed shares
8.38%of listed shares
D. E. Shaw & Co., Inc.40.96M shares · Jun 30, 2026
View holders
Top 20 reported holders of GOSS
Holder% owned
D. E. Shaw & Co., Inc.
8.38%40.96M shares
683 Capital Management, LLC
8.02%39.2M shares
DeepCurrents Investment Group LLC
7.70%37.67M shares
Context Capital Management, LLC
5.92%28.95M shares
Worth Venture Partners, LLC
5.12%25.02M shares
Kalehua Capital Management LLC
4.56%22.3M shares
AQR CAPITAL MANAGEMENT LLC
3.20%15.63M shares
GSA CAPITAL PARTNERS LLP
3.07%14.99M shares
WOLVERINE ASSET MANAGEMENT LLC
2.64%12.89M shares
RENAISSANCE TECHNOLOGIES LLC
2.38%11.63M shares
VANGUARD CAPITAL MANAGEMENT LLC
1.93%9.42M shares
ARCH Venture Management, LLC
1.65%8.06M shares
BARCLAYS PLC
1.60%7.83M shares
Octagon Capital Advisors LP
1.59%7.75M shares
BlackRock, Inc.
1.57%7.67M shares
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
1.55%7.57M shares
TWO SIGMA INVESTMENTS, LP
1.52%7.43M shares
SAMSARA BIOCAPITAL, LLC
1.48%7.22M shares
Qube Research & Technologies Ltd
1.45%7.07M shares
Hasnain Faheem
≈1.28%6.25M shares

Percentages use 488.85M shares of this listed class outstanding on Jun 30, 2026. ≈ compares the latest reported holding with a share total from a different date; it is not a confirmed current stake.

Gray completes the 100% scale. Reported positions may overlap; holders have different reporting dates.

Source: SEC Form 13F ↗Updated Sep 29, 2026 · Quarterly data

Insider buys & sells

Jul 1, 2024–Jun 30, 2026
Buys1$50.0K disclosed value
Sells (SEC code S)0$0.00 disclosed value
1 recent transactions
TransactionInsiderTypeSharesPriceValueOwned after
Aug 19, 2025Form 4Milligan SandraDirectorBuyCommon Stock26.1K$1.92$50.0K58.0K
Review ownership filings at SEC.gov ↗

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