Who are Guardian Pharmacy Services, Inc.'s main suppliers?

Guardian Pharmacy Services, Inc. (GRDN) key suppliers include: Cardinal Health, Inc., Cardinal Health, Inc., McKesson Corporation, McKesson Corporation, MORRIS-AND-DICKSON-CO-L-L-C and 1 more. View the full supplier network at chainsifter.com/chain/GRDN.

Who are Guardian Pharmacy Services, Inc.'s major customers?

Guardian Pharmacy Services, Inc. (GRDN) key customers include: Cardinal Health, Inc., Cardinal Health, Inc., McKesson Corporation, McKesson Corporation, CARDINAL-HEALTH-INC-MCKESSON-CORPORATION-SMITH-D and 3 more. View the full customer network at chainsifter.com/chain/GRDN.

What sector is Guardian Pharmacy Services, Inc. in?

Guardian Pharmacy Services, Inc. (GRDN) operates in the general sector. ChainSifter tracks its verified supply chain relationships including suppliers, customers, and strategic partners.

Guardian Pharmacy Services, Inc. Suppliers, Customers & Supply Chain (GRDN)

6Suppliers

8Customers

1Debt Items

20Related Chains

Source-Backed Evidence Depth

Guardian Pharmacy Services, Inc. (GRDN) 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.

16Total relationships

2Distinct source URLs

8High confidence

0.793Average 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.

Guardian Pharmacy Services, Inc. Suppliers

Ticker	Name	Confidence	Evidence
CAH	Cardinal Health, Inc.	92%	Reciprocal relationship from CAH graph: Reciprocal relationship from GRDN graph: a “distinct pharmacy setting” and requires payors to compensate designated long-term care pharmacies for the specific …
CAH	Cardinal Health, Inc.	92%	a “distinct pharmacy setting” and requires payors to compensate designated long-term care pharmacies for the specific services they are required to provide LTCF residents. In addition, CMS requires t…
MCK	McKesson Corporation	92%	Reciprocal relationship from MCK graph: Reciprocal relationship from GRDN graph: Reciprocal relationship from MCK graph: Reciprocal relationship from GRDN graph: Our primary wholesale distributor rel…
MCK	McKesson Corporation	92%	Our primary wholesale distributor relationships currently include Cardinal Health, Inc., McKesson Corporation, Smith Drug Company, and Morris and Dickson Co. L.L.C., in addition to various generic dr…
MORRIS-AND-DICKSON-CO-L-L-C	MORRIS-AND-DICKSON-CO-L-L-C	92%	Our primary wholesale distributor relationships currently include Cardinal Health, Inc., McKesson Corporation, Smith Drug Company, and Morris and Dickson Co. L.L.C., in addition to various generic dr…
SMITH-DRUG-COMPANY	SMITH-DRUG-COMPANY	92%	Our primary wholesale distributor relationships currently include Cardinal Health, Inc., McKesson Corporation, Smith Drug Company, and Morris and Dickson Co. L.L.C., in addition to various generic dr…

Guardian Pharmacy Services, Inc. Customers

Ticker	Name	Confidence	Evidence
CAH	Cardinal Health, Inc.	72%	Reciprocal relationship from CAH graph: Reciprocal relationship from GRDN graph: Reciprocal relationship from CAH graph: Reciprocal relationship from GRDN graph: Reciprocal relationship from CAH grap…
CAH	Cardinal Health, Inc.	72%	a “distinct pharmacy setting” and requires payors to compensate designated long-term care pharmacies for the specific services they are required to provide LTCF residents. In addition, CMS requires t…
MCK	McKesson Corporation	72%	a “distinct pharmacy setting” and requires payors to compensate designated long-term care pharmacies for the specific services they are required to provide LTCF residents. In addition, CMS requires t…
MCK	McKesson Corporation	72%	Reciprocal relationship from MCK graph: Reciprocal relationship from GRDN graph: a “distinct pharmacy setting” and requires payors to compensate designated long-term care pharmacies for the specific …
CARDINAL-HEALTH-INC-MCKESSON-CORPORATION-SMITH-D	CARDINAL-HEALTH-INC-MCKESSON-CORPORATION-SMITH-D	62%	a “distinct pharmacy setting” and requires payors to compensate designated long-term care pharmacies for the specific services they are required to provide LTCF residents. In addition, CMS requires t…
EXPRESS-SCRIPTS-INC	EXPRESS-SCRIPTS-INC	62%	and acquired by Express Scripts, Inc. for $1.3 billion in 2005. In addition, Cardinal Equity Partners, along with Fred Burke, David Morris and Kendall Forbes, have made significant capital investment…
PHARMERICA-CORPORATION	PHARMERICA-CORPORATION	62%	report, set forth in 90 Fed. Reg. 55,687, entitled “Medicare and Medicaid Programs; Repeal of Minimum Staffing Standards for Long-Term Care Facilities” removing the minimum staffing requirements of t…
PHM	PulteGroup, Inc.	62%	Reciprocal relationship from PHM graph: Reciprocal relationship from GRDN graph: Reciprocal relationship from PHM graph: Reciprocal relationship from GRDN graph: report, set forth in 90 Fed. Reg. 55,…

Guardian Pharmacy Services, Inc. Debt Obligations

Instrument	Description	Confidence	Evidence
GRDN-DEBT	Debt stack $28.7M	90%	Market cache reports total debt of $28.7M.

Guardian Pharmacy Services, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Guardian Pharmacy Services, Inc..

Guardian Pharmacy Services, Inc. Ownership

Holder	Name	Confidence	Evidence
GRDN-OWNER-WOODLINE-PARTNERS-LP	Woodline Partners LP	90%	13F overlay lists Woodline Partners LP as top holder; 170 tracked holders.

Guardian Pharmacy Services, Inc. Extended Supply Chain Network

Ticker	Name	Chain Index	Hops	Relationship Types
MGNX	MacroGenics, Inc.	100.00	2
MCK	McKesson Corporation	100.00	1	['customer', 'supplier']
MASI	Masimo Corporation	100.00	2
PHM	PulteGroup, Inc.	100.00	1	['customer']
SCLX	Scilex Holding Company	100.00	2
LOW	Lowe's Companies, Inc.	100.00	2
HLN	Haleon plc	100.00	2
HRMY	Harmony Biosciences Holdings, Inc.	100.00	2
CHRS	Coherus Oncology, Inc.	100.00	2
CAH	Cardinal Health, Inc.	100.00	1	['customer', 'supplier']
CLH	Clean Harbors, Inc.	100.00	2
CVS	CVS Health Corporation	100.00	2
APT	Alpha Pro Tech, Ltd.	100.00	2
ARDX	Ardelyx, Inc.	100.00	2
HLNCF	Haleon plc	100.00	2
REGN	Regeneron Pharmaceuticals, Inc.	100.00	2
GILD	Gilead Sciences, Inc.	100.00	2
EMMA	Emmaus Life Sciences, Inc.	100.00	2
HALO	Halozyme Therapeutics, Inc.	100.00	2
APO-PA	Apollo Global Management, Inc.	50.00	2

Guardian Pharmacy Services, Inc. Supply Chain