Who are Accelerant Holdings's main suppliers?

Accelerant Holdings (ARX) key suppliers include: ALTAMONT-CAPITAL-PARTNERS, MGAS. View the full supplier network at chainsifter.com/chain/ARX.

Who are Accelerant Holdings's major customers?

Accelerant Holdings (ARX) key customers include: HADRON, ALTAMONT-CAPITAL-MANAGEMENT-LLC, AMREP Corporation. View the full customer network at chainsifter.com/chain/ARX.

What sector is Accelerant Holdings in?

Accelerant Holdings (ARX) operates in the general sector. ChainSifter tracks its verified supply chain relationships including suppliers, customers, and strategic partners.

Accelerant Holdings (ARX): 7 Verified Supply Chain Relationships

2Suppliers

3Customers

2Debt Items

2Related Chains

Source-Backed Evidence Depth

Accelerant Holdings (ARX) 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.

33Total relationships

2Distinct source URLs

31High confidence

0.861Average 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.

Accelerant Holdings Suppliers

Ticker	Name	Confidence	Evidence
ALTAMONT-CAPITAL-PARTNERS	ALTAMONT-CAPITAL-PARTNERS	90%	Hadron, one of our Accelerant Risk Exchange Insurers which is primarily owned by Altamont Capital Partners, accounted for $122.9 million and $187.7 million of Exchange Written Premium during the thre…
MGAS	MGAS	85%	We have made investments in private equity funds focused on insurance technology ventures, certain MGAs that form part of our distribution network and a technology-focused TPA that provides services …

Accelerant Holdings Customers

Ticker	Name	Confidence	Evidence
HADRON	HADRON	92%	Hadron, one of our Accelerant Risk Exchange Insurers which is primarily owned by Altamont Capital Partners, accounted for $122.9 million and $187.7 million of Exchange Written Premium during the thre…
ALTAMONT-CAPITAL-MANAGEMENT-LLC	ALTAMONT-CAPITAL-MANAGEMENT-LLC	62%	surers 18.7 19.3 Prepaid expenses 19.4 16.4 Prepaid retrocession premium 4.2 4.4 Other 47.4 35.1 Total $ 215.5 $ 198.1 15. Accounts payable and other liabilities Accounts payable and other liabilitie…
AXR	AMREP Corporation	62%	Reciprocal relationship from AXR graph: Reciprocal relationship from ARX graph: Reciprocal relationship from AXR graph: Reciprocal relationship from ARX graph: Reciprocal relationship from AXR graph:…

Accelerant Holdings Debt Obligations

Instrument	Description	Confidence	Evidence
ARX-DEBT-16130	Xbrl Convertible	90%	xbrl convertible detail from xbrl 2025-12-31.
ARX-DEBT	Debt stack $120.1M	90%	Market cache reports total debt of $120.1M.

Accelerant Holdings Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Accelerant Holdings.

Accelerant Holdings Ownership

Holder	Name	Confidence	Evidence
ARX-OWNER-SECURITY-BENEFIT-LIFE-INSURANCE-CO-KS	SECURITY BENEFIT LIFE INSURANCE CO /KS/	95%	13F/ownership overlay lists SECURITY BENEFIT LIFE INSURANCE CO /KS/; shares held 5,866,257; ownership 3.53%; value $78.4B; as of 2026-03-31.
ARX-OWNER-BARINGS-LLC	BARINGS LLC	95%	13F/ownership overlay lists BARINGS LLC; shares held 3,128,867; value $46.1B; as of 2026-03-31.
ARX-OWNER-MARSHALL-WACE-LLP	MARSHALL WACE, LLP	95%	13F/ownership overlay lists MARSHALL WACE, LLP; shares held 2,274,152; value $30.4B; as of 2026-03-31.
ARX-OWNER-ALLIANCEBERNSTEIN-L-P	ALLIANCEBERNSTEIN L.P.	95%	13F/ownership overlay lists ALLIANCEBERNSTEIN L.P.; shares held 2,800,188; value $45.8B; as of 2026-03-31.
ARX-OWNER-VANGUARD-PORTFOLIO-MANAGEMENT-LLC	VANGUARD PORTFOLIO MANAGEMENT LLC	95%	13F/ownership overlay lists VANGUARD PORTFOLIO MANAGEMENT LLC; shares held 2,113,565; value $28.2B; as of 2026-03-31.
ARX-OWNER-KEENAN-CAPITAL-LLC	Keenan Capital, LLC	95%	13F/ownership overlay lists Keenan Capital, LLC; shares held 3,992,923; value $53.3B; as of 2026-03-31.
ARX-OWNER-CAPITAL-WORLD-INVESTORS	Capital World Investors	95%	13F/ownership overlay lists Capital World Investors; shares held 5,152,741; value $68.8B; as of 2026-03-31.
ARX-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC	VANGUARD CAPITAL MANAGEMENT LLC	95%	13F/ownership overlay lists VANGUARD CAPITAL MANAGEMENT LLC; shares held 3,877,876; value $51.8B; as of 2026-03-31.
ARX-OWNER-GILDER-GAGNON-HOWE-CO-LLC	GILDER GAGNON HOWE & CO LLC	95%	13F/ownership overlay lists GILDER GAGNON HOWE & CO LLC; shares held 3,743,364; value $50.0B; as of 2026-03-31.
ARX-OWNER-AMERICAN-CENTURY-COMPANIES-INC	AMERICAN CENTURY COMPANIES INC	95%	13F/ownership overlay lists AMERICAN CENTURY COMPANIES INC; shares held 3,188,505; value $42.6B; as of 2026-03-31.
ARX-OWNER-SECURITY-BENEFIT-LIFE-INSURANCE-	SECURITY BENEFIT LIFE INSURANCE CO /KS/	90%	13F overlay lists SECURITY BENEFIT LIFE INSURANCE CO /KS/ as top holder; 107 tracked holders.
ARX	Accelerant Holdings	82%	Clifford R. Jenks \| Officer
ARX	Accelerant Holdings	82%	Green Jay Michael \| Chief Financial Officer \| sell \| 50000 shares
ARX	Accelerant Holdings	82%	Lee-Smith Christopher \| Co-Founder, Head of Distrib. \| option_exercise \| 128644 shares
ARX	Accelerant Holdings	82%	RADKE JEFFREY L \| Co-Founder, CEO \| option_exercise \| 28261939 shares
ARX	Accelerant Holdings	82%	ONeill Francis James \| Co-Founder, Chief U/W Officer \| option_exercise \| 128644 shares
ARX	Accelerant Holdings	82%	Sternberg Matthew David \| COO, Risk Exchange \| option_exercise \| 338631 shares
ARX	Accelerant Holdings	82%	Sternberg Matthew David \| COO, Risk Exchange \| option_exercise \| 338631 shares
ARX	Accelerant Holdings	82%	Lee-Smith Christopher \| Co-Founder, Head of Distrib. \| option_exercise \| 128644 shares
ARX	Accelerant Holdings	82%	ONeill Francis James \| Co-Founder, Chief U/W Officer \| option_exercise \| 128644 shares
ARX	Accelerant Holdings	82%	RADKE JEFFREY L \| Co-Founder, CEO \| option_exercise \| 28261939 shares
ARX	Accelerant Holdings	82%	Green Jay Michael \| Chief Financial Officer \| option_exercise \| 28625 shares
ARX	Accelerant Holdings	82%	Green Jay Michael \| Chief Financial Officer \| option_exercise \| 28625 shares
ARX	Accelerant Holdings	82%	Jay Green \| Officer \| power_of_attorney
ARX	Accelerant Holdings	82%	Jay Green \| Officer \| power_of_attorney
ARX	Accelerant Holdings	82%	Linda Huber \| Officer

Accelerant Holdings Extended Supply Chain Network

Ticker	Name	Chain Index	Hops	Relationship Types
AXR	AMREP Corporation	100.00	1	['customer']
HADRON	HADRON	63.48	1	['receiving']

Accelerant Holdings Supply Chain