5Suppliers
5Customers
3Debt Items
20Related Chains

Source-Backed Evidence Depth

Gossamer Bio, Inc. (GOSS) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

24Total relationships
2Distinct source URLs
15High confidence
0.850Average confidence
2026-10-28Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

Gossamer Bio, Inc. Suppliers

TickerNameConfidenceEvidence
IKT Inhibikase Therapeutics, Inc. 72% Reciprocal relationship from IKT graph: Reciprocal relationship from GOSS graph: Reciprocal relationship from IKT graph: file of our products following approval; • effective competition with other th…
KROS Keros Therapeutics, Inc. 72% Reciprocal relationship from KROS graph: Reciprocal relationship from GOSS graph: Reciprocal relationship from KROS graph: Reciprocal relationship from GOSS graph: Reciprocal relationship from KROS g…
LQDA Liquidia Corporation 72% Reciprocal relationship from LQDA graph: Reciprocal relationship from GOSS graph: Reciprocal relationship from LQDA graph: -offs related to Sandoz’s inability to sell Treprostinil Injection, includin…
XOMA XOMA Royalty Corporation 72% Reciprocal relationship from XOMA graph: million. Receipts pursuant to the Daré RPAs were negligible in 2025. DSUVIA - Talphera Commercial Payment Purchase Agreement In January 2024, we acquired an e…
XOMAP XOMA Royalty Corporation 72% Reciprocal relationship from XOMAP graph: Reciprocal relationship from GOSS graph: Reciprocal relationship from XOMAP graph: Reciprocal relationship from GOSS graph: Reciprocal relationship from XOMA…

Gossamer Bio, Inc. Customers

TickerNameConfidenceEvidence
CHIESI CHIESI 92% During the three months ended March 31, 2026, Chiesi was the Company's principal customer, accounting for 100 % of its revenue.
LQDA Liquidia Corporation 72% Reciprocal relationship from LQDA graph: -offs related to Sandoz’s inability to sell Treprostinil Injection, including in the event that Treprostinil Injection expires prior to sale. Currently, Trepr…
XOMAP XOMA Royalty Corporation 72% Reciprocal relationship from XOMAP graph: Reciprocal relationship from GOSS graph: Reciprocal relationship from XOMAP graph: Reciprocal relationship from GOSS graph: e 2027 Notes. When the 2027 Notes…
XOMAP XOMA Royalty Corporation 72% e 2027 Notes. When the 2027 Notes become convertible within 12 months of the balance sheet date, the carrying value of the 2027 Notes will be reclassified to short-term. The Company recorded $ 0.4 mi…
FSG-BIO-INC FSG-BIO-INC 62% erm convertible senior notes 198,763 198,508 Operating lease liabilities - long-term 3,213 3,460 Long-term contract liabilities 31,900 29,606 Total liabilities 290,382 295,009 Commitments and conting…

Gossamer Bio, Inc. Debt Obligations

InstrumentDescriptionConfidenceEvidence
GOSS-DEBT Debt stack $11.6M 90% Market cache reports total debt of $11.6M.
GOSS-DEBT-4765 Warrants outstanding: 32467360 90% xbrl warrant detail from xbrl 2025-12-31.
GOSS-DEBT-4766 Xbrl Convertible 90% xbrl convertible detail from xbrl 2022-12-31.

Gossamer Bio, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Gossamer Bio, Inc..

Gossamer Bio, Inc. Ownership

HolderNameConfidenceEvidence
GOSS-OWNER-PALO-ALTO-INVESTORS-LP Palo Alto Investors Lp 95% 13F/ownership overlay lists Palo Alto Investors Lp; shares held 5,464,349; ownership 2.36%; value $12.7M; as of 2025-09-30.
GOSS-OWNER-NEA-MANAGEMENT-COMPANY-LLC NEA Management Company, LLC 95% 13F/ownership overlay lists NEA Management Company, LLC; shares held 18,093,034; ownership 7.82%; value $42.0M; as of 2025-09-30.
GOSS-OWNER-HHLR-ADVISORS-LTD HHLR Advisors, LTD 95% 13F/ownership overlay lists HHLR Advisors, LTD; shares held 4,974,041; ownership 2.15%; value $11.5M; as of 2025-09-30.
GOSS-OWNER-683-CAPITAL-MANAGEMENT-LLC 683 Capital Management LLC 95% 13F/ownership overlay lists 683 Capital Management LLC; shares held 5,059,200; ownership 2.19%; value $11.7M; as of 2025-09-30.
GOSS-OWNER-ARCH-VENTURE-MANAGEMENT-LLC Arch Venture Management, Llc 95% 13F/ownership overlay lists Arch Venture Management, Llc; shares held 8,055,916; ownership 3.48%; value $18.7M; as of 2025-09-30.
GOSS-OWNER-BLACKROCK-INC Blackrock Inc. 95% 13F/ownership overlay lists Blackrock Inc.; shares held 13,846,054; ownership 5.98%; value $32.1M; as of 2025-09-30.
GOSS-OWNER-OCTAGON-CAPITAL-ADVISORS-LP Octagon Capital Advisors LP 95% 13F/ownership overlay lists Octagon Capital Advisors LP; shares held 17,050,000; ownership 7.37%; value $39.6M; as of 2025-09-30.
GOSS-OWNER-SIREN-L-L-C Siren, L.L.C. 95% 13F/ownership overlay lists Siren, L.L.C.; shares held 5,208,968; ownership 2.25%; value $12.1M; as of 2025-09-30.
GOSS-OWNER-SAMSARA-BIOCAPITAL-LLC Samsara BioCapital, LLC 95% 13F/ownership overlay lists Samsara BioCapital, LLC; shares held 6,130,268; ownership 2.65%; value $14.2M; as of 2025-09-30.
GOSS-OWNER-VANGUARD-GROUP-INC Vanguard Group Inc 95% 13F/ownership overlay lists Vanguard Group Inc; shares held 12,873,209; ownership 5.56%; value $29.9M; as of 2025-12-31.
GOSS-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC VANGUARD CAPITAL MANAGEMENT LLC 90% 13F overlay lists VANGUARD CAPITAL MANAGEMENT LLC as top holder; 193 tracked holders.

Gossamer Bio, Inc. Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
KROS Keros Therapeutics, Inc. 100.00 1 ['supplier']
XOMAP XOMA Royalty Corporation 100.00 1 ['customer', 'supplier']
PLX Protalix BioTherapeutics, Inc. 100.00 2
JNJ Johnson & Johnson 100.00 2
XOMA XOMA Royalty Corporation 100.00 1 ['supplier']
LQDA Liquidia Corporation 100.00 1 ['customer', 'supplier']
IKT Inhibikase Therapeutics, Inc. 100.00 1 ['supplier']
NVSEF Novartis AG 100.00 2
CHIESI CHIESI 63.48 1 ['receiving']
SNYNF Sanofi 50.00 2
DNLI Denali Therapeutics Inc. 50.00 2
IBIO iBio, Inc. 50.00 2
RZLT Rezolute, Inc. 50.00 2
LADX LadRx Corporation 50.00 2
ORANY ORANGE 50.00 2
TAK Takeda Pharmaceutical Company Limited 50.00 2
GSK GSK plc 50.00 2
SLDB Solid Biosciences Inc. 50.00 2
GILD Gilead Sciences, Inc. 50.00 2
GERN Geron Corporation 50.00 2
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GOSS
Unlock GOSS Supply Chain Data
Verified relationships include:
IKTInhibikase Therapeutics, Inc.Supplier72%
KROSKeros Therapeutics, Inc.Supplier72%
CHIESICHIESICustomer92%
LQDALiquidia CorporationCustomer72%
+20 more relationships locked
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