ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in COST — Costco Wholesale Corp /New

CIK 1165408 Boston, MA

Position in COST

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$396,257,293

+$60,309,463 QoQ

Shares Held

397,677

+2.1% QoQ

Ownership

0.090%

of shares outstanding

% of Portfolio

0.63%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Consumer Defensive · as of Mar 31, 2026

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $887,987,395 across 5 Discount Stores names. COST ranks #2 (44.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WMT	Walmart Inc.	3,662,026	$455,116,591
2	COST	Costco Wholesale Corp /New This page	397,677	$396,257,293
3	DG	Dollar General Corp	132,200	$15,696,106
4	DLTR	Dollar Tree, Inc.	105,038	$11,502,711
5	TGT	Target Corp	77,679	$9,414,694

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.