Data compiled by Redley Lamar · ChainSifter Intelligence
5Suppliers
5Customers
3Debt Items
0Related Chains
Source-Backed Evidence Depth
iSpecimen Inc. (ISPC) 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.
23Total relationships
4Distinct source URLs
18High confidence
0.864Average confidence
2026-09-13Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.
iSpecimen Inc. Suppliers
Ticker
Name
Confidence
Evidence
E-F-HUTTON-CO
E-F-HUTTON-CO
92%
the Company entered into a Placement Agent Agreement, dated May 8, 2026 (the “Placement Agent Agreement”), with E.F. Hutton & Co. (the “Placement Agent”), pursuant to which the Placement Agent agreed…
IR-AGENCY-LLC
IR-AGENCY-LLC
92%
The Company entered into a Consulting Agreement (the “Consulting Agreement”) with IR Agency LLC (the “Consultant”), pursuant to which the Consultant agreed to provide marketing, advertising and inves…
SUPPLY-PARTNERS
SUPPLY-PARTNERS
92%
We have derived, and believe that we may continue to derive, a significant portion of our revenues from products we procure from a limited number of supply sites.
SUPPLY-SITES
SUPPLY-SITES
92%
We have derived, and believe that we may continue to derive, a significant portion of our revenues from products we procure from a limited number of supply sites.
BIOBANKS
BIOBANKS
90%
During the year ended December 31, 2025, approximately 42% of our revenue was derived from specimens that were procured from our supply partners’ existing sample inventories in their biobanks.
iSpecimen Inc. Customers
Ticker
Name
Confidence
Evidence
CAPITAL-RESOURCES
CAPITAL-RESOURCES
62%
8,389 ) 900,014 55 % Other income, net Interest expense — (1,946 ) 1,946 100 % Interest income 291 2,788 (2,497 ) (90 )% Interest and penalties on sales tax liability (1,253 ) (18,540 ) 17,287 100 % …
FOCUS-TECHNOLOGIES-INC
FOCUS-TECHNOLOGIES-INC
62%
Item 1C. Cybersecurity Cybersecurity Risk Management and Strategy iSpecimen maintains an Information Security Management Program (“ISMP”) with a primary goal to reduce risks to iSpecimen by protectin…
FOCUS-TECHNOLOGY-SOLUTIONS-INC
FOCUS-TECHNOLOGY-SOLUTIONS-INC
62%
Item 1C. Cybersecurity Cybersecurity Risk Management and Strategy iSpecimen maintains an Information Security Management Program (“ISMP”) with a primary goal to reduce risks to iSpecimen by protectin…
FOCUS-TECHNOLOGY-SOLUTIONS-LLC
FOCUS-TECHNOLOGY-SOLUTIONS-LLC
62%
n those jurisdictions, therefore, the Company reversed the accrued liability associated with those jurisdictions. The Company also registered in certain states and commenced the filing and remittance…
WESTPARK-CAPITAL-INC
WESTPARK-CAPITAL-INC
62%
urement, as well as to position our Company to explore other adjacent business opportunities that can benefit from the use of the iSpecimen Marketplace. The iSpecimen Marketplace currently supports t…
iSpecimen Inc. Debt Obligations
Instrument
Description
Confidence
Evidence
ISPC-DEBT
Debt stack $4.4M
90%
Market cache reports total debt of $4.4M.
ISPC-DEBT-7149
Warrants outstanding: 0.6999
90%
xbrl warrant detail from xbrl 2025-07-23.
ISPC-DEBT-7150
Xbrl Convertible
90%
xbrl convertible detail from xbrl 2021-12-31.
iSpecimen Inc. Acquisitions
No acquisitions on recordNo completed or pending acquisitions found in our database for iSpecimen Inc..
iSpecimen Inc. Ownership
Holder
Name
Confidence
Evidence
ISPC-OWNER-GEODE-CAPITAL-MANAGEMENT-LLC
Geode Capital Management, LLC
95%
13F/ownership overlay lists Geode Capital Management, LLC; shares held 41,594; ownership 0.43%; value $6,076; as of 2025-12-31.
ISPC-OWNER-TOWER-RESEARCH-CAPITAL-LLC-TRC
Tower Research Capital LLC (TRC)
95%
13F/ownership overlay lists Tower Research Capital LLC (TRC); shares held 6,664; ownership 0.07%; value $973; as of 2025-12-31.
ISPC-OWNER-VANGUARD-GROUP-INC
Vanguard Group Inc
95%
13F/ownership overlay lists Vanguard Group Inc; shares held 29,407; ownership 0.30%; value $4,296; as of 2025-12-31.
ISPC-OWNER-UBS-GROUP-AG
UBS Group AG
95%
13F/ownership overlay lists UBS Group AG; shares held 6,445; ownership 0.07%; value $941; as of 2025-12-31.
ISPC-OWNER-BANK-OF-AMERICA-CORPORATION
Bank of America Corporation
95%
13F/ownership overlay lists Bank of America Corporation; shares held 83; value $12; as of 2025-12-31.
ISPC-OWNER-SUSQUEHANNA-INTERNATIONAL-GROUP-LLP
Susquehanna International Group, LLP
95%
13F/ownership overlay lists Susquehanna International Group, LLP; shares held 15,063; ownership 0.15%; value $2,200; as of 2025-12-31.
ISPC-OWNER-JANE-STREET-GROUP-LLC
Jane Street Group, LLC
95%
13F/ownership overlay lists Jane Street Group, LLC; shares held 14,093; ownership 0.14%; value $2,058; as of 2025-12-31.
ISPC-OWNER-JUMP-FINANCIAL-LLC
Jump Financial, LLC
95%
13F/ownership overlay lists Jump Financial, LLC; shares held 10,473; ownership 0.11%; value $1,530; as of 2025-12-31.
ISPC-OWNER-BLACKROCK-INC
Blackrock Inc.
95%
13F/ownership overlay lists Blackrock Inc.; shares held 2,827; ownership 0.03%; value $413; as of 2025-12-31.
ISPC-OWNER-SBI-SECURITIES-CO-LTD
SBI Securities Co., Ltd.
95%
13F/ownership overlay lists SBI Securities Co., Ltd.; shares held 4; as of 2025-12-31.
iSpecimen Inc. Extended Supply Chain Network
No secondary connectionsNo correlated companies found through shared supply chain relationships.
