Grantham, Mayo, Van Otterloo & Co (GMO)’s Costco COST Stock Holding History

Grantham, Mayo, Van Otterloo & Co (GMO)’s Portfolio COST Stock Details COST Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$207K	Sell	208 -1,300	-86%	-$1.27M	﹤0.01%	612
2025 Q4	$1.3M	Sell	1,508 -536	-26%	-$486K	﹤0.01%	470
2025 Q3	$1.89M	Sell	2,044 -157	-7%	-$150K	0.01%	379
2025 Q2	$2.18M	Buy	2,201 +100	+5%	+$99.4K	0.01%	371
2025 Q1	$1.99M	Buy	2,101 +740	+54%	+$721K	0.01%	379
2024 Q4	$1.25M	Sell	1,361 -27	-2%	-$25.1K	﹤0.01%	412
2024 Q3	$1.23M	Buy	+1,388	New	+$1.2M	﹤0.01%	409
2023 Q2	–	Sell	-8,204	Closed	-$4.08M	–	690
2023 Q1	$4.08M	Sell	8,204 -6,800	-45%	-$3.34M	0.02%	346
2022 Q4	$6.85M	Sell	15,004 -8,600	-36%	-$4.2M	0.04%	298
2022 Q3	$11.1M	Sell	23,604 -4,600	-16%	-$2.39M	0.06%	232
2022 Q2	$13.5M	Buy	28,204 +20,292	+256%	+$10.3M	0.07%	219
2022 Q1	$4.56M	Buy	+7,912	New	+$4.15M	0.02%	362
2021 Q2	–	Sell	-8,708	Closed	-$3.07M	–	742
2021 Q1	$3.07M	Buy	8,708 +7,300	+518%	+$2.54M	0.02%	409
2020 Q4	$531K	Sell	1,408 -9,696	-87%	-$3.62M	﹤0.01%	672
2020 Q3	$3.94M	Sell	11,104 -700	-6%	-$235K	0.03%	273
2020 Q2	$3.58M	Sell	11,804 -144,691	-92%	-$44M	0.03%	300
2020 Q1	$44.6M	Sell	156,495 -182,426	-54%	-$55.4M	0.37%	56
2019 Q4	$99.6M	Sell	338,921 -256,352	-43%	-$76.2M	0.67%	34
2019 Q3	$172M	Sell	595,273 -111,424	-16%	-$31.4M	1.19%	28
2019 Q2	$187M	Sell	706,697 -629,104	-47%	-$157M	1.31%	21
2019 Q1	$323M	Sell	1,335,801 -122,422	-8%	-$26.8M	2.33%	7
2018 Q4	$297M	Buy	1,458,223 +62,291	+4%	+$13.9M	2.37%	8
2018 Q3	$328M	Sell	1,395,932 -27,600	-2%	-$6.22M	2.22%	10
2018 Q2	$297M	Sell	1,423,532 -76,728	-5%	-$15.2M	2.11%	9
2018 Q1	$283M	Buy	1,500,260 +118,400	+9%	+$22.3M	1.73%	18
2017 Q4	$257M	Sell	1,381,860 -10,731	-0.8%	-$1.85M	1.52%	20
2017 Q3	$229M	Buy	1,392,591 +180,571	+15%	+$28.4M	1.34%	22
2017 Q2	$194M	Buy	1,212,020 +33,452	+3%	+$5.76M	1.07%	26
2017 Q1	$198M	Sell	1,178,568 -7,046	-0.6%	-$1.18M	1.11%	23
2016 Q4	$190M	Sell	1,185,614 -284	-0%	-$43.4K	1.02%	22
2016 Q3	$181M	Buy	1,185,898 +315,023	+36%	+$50.9M	0.85%	24
2016 Q2	$137M	Sell	870,875 -61,208	-7%	-$9.27M	0.56%	43
2016 Q1	$147M	Sell	932,083 -288,700	-24%	-$43.8M	0.55%	45
2015 Q4	$197M	Buy	1,220,783 +46,827	+4%	+$7.4M	0.71%	39
2015 Q3	$170M	Sell	1,173,956 -122,312	-9%	-$17.5M	0.59%	38
2015 Q2	$175M	Sell	1,296,268 -696,600	-35%	-$100M	0.56%	42
2015 Q1	$302M	Sell	1,992,868 -38,362	-2%	-$5.63M	0.9%	25
2014 Q4	$288M	Sell	2,031,230 -16,318	-0.8%	-$2.22M	0.78%	32
2014 Q3	$257M	Buy	2,047,548 +167,460	+9%	+$20.2M	0.68%	35
2014 Q2	$217M	Buy	1,880,088 +40,300	+2%	+$4.62M	0.59%	40
2014 Q1	$205M	Buy	1,839,788 +103,027	+6%	+$11.8M	0.54%	39
2013 Q4	$207M	Buy	1,736,761 +175,399	+11%	+$21M	0.5%	39
2013 Q3	$180M	Buy	1,561,362 +236,204	+18%	+$27.3M	0.47%	39
2013 Q2	$147M	Buy	+1,325,158	New	+$145M	0.38%	45

Other funds holding COST

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

DAM

Diamant Asset Management Ridgefield, Connecticut $137B AUM 18.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Grantham, Mayo, Van Otterloo & Co (GMO)'s COST Position: Q1 2026 in Review

Grantham, Mayo, Van Otterloo & Co (GMO) reduced its Costco (COST) stake by 86% in Q1 2026, selling an estimated $1.27M and leaving 208 shares worth $207K. The position accounts for ﹤0.01% of the portfolio, ranked #612.

Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in COST in Q2 2013 and has held it in 44 quarters since. The position peaked at $328M in Q3 2018. 4,238 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Grantham, Mayo, Van Otterloo & Co (GMO) held 208 shares of Costco worth $207K as of Q1 2026.
Grantham, Mayo, Van Otterloo & Co (GMO) sold 1,300 Costco shares in Q1 2026, an estimated $1.27M.
Costco made up ﹤0.01% of Grantham, Mayo, Van Otterloo & Co (GMO)'s portfolio in Q1 2026, its #612 holding.
Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in Costco in Q2 2013 and has held it in 44 quarters since.
Grantham, Mayo, Van Otterloo & Co (GMO)'s Costco position peaked at $328M in Q3 2018.
4,238 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Grantham, Mayo, Van Otterloo & Co (GMO)'s 13F filing for Q1 2026, filed 14 May 2026.