Who are SEI Investments Company's major customers?

SEI Investments Company (SEIC) key customers include: STRATOS-WEALTH-HOLDINGS. View the full customer network at chainsifter.com/chain/SEIC.

What sector is SEI Investments Company in?

SEI Investments Company (SEIC) operates in the general sector. ChainSifter tracks its verified supply chain relationships including suppliers, customers, and strategic partners.

SEIC Supply Chain: SEI Investments Company Suppliers & Customers

0Suppliers

1Customers

1Debt Items

3Related Chains

SEI Investments Company Suppliers

No suppliers on recordSEI Investments Company has not yet been matched to upstream suppliers in our database, or is still being processed.

SEI Investments Company Customers

Ticker	Name	Confidence	Evidence
STRATOS-WEALTH-HOLDINGS	STRATOS-WEALTH-HOLDINGS	85%	s segment. Average assets under management in equity and fixed income programs, excluding LSV, increased $27.1 billion, or 15%, to $206.6 billion in the first three months of 2026 as compared to $179…

SEI Investments Company Debt Obligations

Instrument	Description	Confidence	Evidence
SEIC-DEBT	Debt stack $69.5M	90%	Market cache reports total debt of $69.5M.

SEI Investments Company Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for SEI Investments Company.

SEI Investments Company Ownership

Holder	Name	Confidence	Evidence
SEIC-OWNER-MORGAN-STANLEY	MORGAN STANLEY	90%	13F overlay lists MORGAN STANLEY as top holder; 570 tracked holders.

SEI Investments Company Extended Supply Chain Network

Ticker	Name	Chain Index	Hops	Relationship Types
FECOF	FEC Resources Inc.	50.00	2
HUN	Huntsman Corporation	50.00	2
ROMJF	Rubicon Organics Inc.	27.90	1	['ownership']

SEI Investments Company Supply Chain