ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in COST — Costco Wholesale Corp /New

CIK 1165408 Boston, MA

Back to COST Full portfolio

Position in COST

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$370,143,963

-$26,113,330 QoQ

Shares Held

395,677

-0.5% QoQ

Ownership

0.089%

of shares outstanding

% of Portfolio

0.52%

of 13F equity value

Holder Rank

#98

of 4,178 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in COST Over Time

Shares Held

Position Value (USD)

Position in Discount Stores

Consumer Defensive · as of Jun 30, 2026

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $874,873,336 across 4 Discount Stores names. COST ranks #2 (42.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WMT	Walmart Inc.	3,648,826	$413,266,032
2	COST	Costco Wholesale Corp /New This page	395,677	$370,143,963
3	DLTR	Dollar Tree, Inc.	499,438	$60,407,026
4	TGT	Target Corp	237,779	$31,056,315

All Filings in COST

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$370,143,963	395,677	-0.5%	Shares	Sole	2026-08-14
2026-03-31	$396,257,293	397,677	+2.1%	Shares	Sole	2026-05-15
2025-12-31	$335,947,830	389,577	-0.2%	Shares	Sole	2026-02-17
2025-09-30	$361,252,099	390,277	+12.2%	Shares	Sole	2025-11-14
2025-06-30	$344,377,357	347,877	-9.0%	Shares	Sole	2025-08-14
2025-03-31	$361,549,941	382,277	-1.3%	Shares	Sole	2025-05-15
2024-12-31	$354,775,162	387,195	+3.2%	Shares	Sole	2025-02-14
2024-09-30	$332,620,530	375,198	+3.8%	Shares	Sole	2024-11-14
2024-06-30	$307,379,333	361,627	+67.7%	Shares	Sole	2024-08-14
2024-03-31	$158,011,440	215,677	-32.0%	Shares	Sole	2024-05-15
2023-12-31	$209,411,700	317,252	-10.3%	Shares	Sole	2024-02-14
2023-09-30	$199,770,985	353,602	-3.1%	Shares	Sole	2023-11-14
2023-06-30	$196,560,384	365,096	-11.6%	Shares	Other	2023-08-14
2023-03-31	$205,195,881	412,977	-1.9%	Shares	Sole	2023-05-15
2022-12-31	$192,130,350	420,877	+22.5%	Shares	Sole	2023-02-14
2022-09-30	$162,308,336	343,677	-25.5%	Shares	Sole	2022-11-14
2022-06-30	$221,224,624	461,577	+10.3%	Shares	Sole	2022-08-15
2022-03-31	$240,928,153	418,387	-11.1%	Shares	Sole	2022-05-16
2021-12-31	$267,260,102	470,777	-0.8%	Shares	Sole	2022-02-14
2021-09-30	$213,296,109	474,677	+26.1%	Shares	Sole	2021-11-15
2021-06-30	$148,917,526	376,368	+90.1%	Shares	Sole	2021-08-16
2021-03-31	$69,779,760	197,968	-33.4%	Shares	Sole	2021-05-17
2020-12-31	$111,966,959	297,168	-11.0%	Shares	Sole	2021-02-16
2020-09-30	$118,573,550	334,010	+33.5%	Shares	Sole	2020-11-16
2020-06-30	$75,835,853	250,110	-49.7%	Shares	Sole	2020-08-14
2020-03-31	$141,743,825	497,120	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.