AllianceBernstein’s Costco COST Stock Holding History

AllianceBernstein’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	$2.39B	Sell	2,766,241 -82,191	-3%	-$80.1M	0.77%	14
2025 Q4	$2.46B	Sell	2,848,432 -210,969	-7%	-$191M	0.78%	14
2025 Q3	$2.83B	Sell	3,059,401 -237,123	-7%	-$227M	0.89%	14
2025 Q2	$3.26B	Sell	3,296,524 -1,035,485	-24%	-$1.03B	1.06%	11
2025 Q1	$4.1B	Buy	4,332,009 +18,045	+0.4%	+$17.6M	1.48%	11
2024 Q4	$3.95B	Sell	4,313,964 -62,453	-1%	-$57.9M	1.34%	10
2024 Q3	$3.88B	Buy	4,376,417 +60,073	+1%	+$52.1M	1.3%	11
2024 Q2	$3.67B	Buy	4,316,344 +88,841	+2%	+$69.3M	1.28%	10
2024 Q1	$3.1B	Sell	4,227,503 -221,106	-5%	-$158M	1.1%	10
2023 Q4	$2.94B	Buy	4,448,609 +18,661	+0.4%	+$11.1M	1.13%	10
2023 Q3	$2.5B	Sell	4,429,948 -123,320	-3%	-$68.1M	1.06%	11
2023 Q2	$2.45B	Sell	4,553,268 -433,113	-9%	-$219M	1%	12
2023 Q1	$2.48B	Buy	4,986,381 +69,342	+1%	+$34M	1.06%	11
2022 Q4	$2.24B	Buy	4,917,039 +236,837	+5%	+$116M	1.01%	10
2022 Q3	$2.21B	Sell	4,680,202 -173,022	-4%	-$90M	1.07%	10
2022 Q2	$2.33B	Buy	4,853,224 +33,117	+0.7%	+$16.8M	1.06%	12
2022 Q1	$2.78B	Sell	4,820,107 -286,100	-6%	-$150M	1.07%	13
2021 Q4	$2.9B	Buy	5,106,207 +133,943	+3%	+$68.6M	1.02%	14
2021 Q3	$2.23B	Buy	4,972,264 +330,011	+7%	+$145M	0.88%	15
2021 Q2	$1.84B	Buy	4,642,253 +189,488	+4%	+$71.7M	0.74%	18
2021 Q1	$1.57B	Buy	4,452,765 +652,748	+17%	+$227M	0.69%	20
2020 Q4	$1.43B	Buy	3,800,017 +283,963	+8%	+$106M	0.68%	23
2020 Q3	$1.25B	Buy	3,516,054 +339,147	+11%	+$114M	0.67%	24
2020 Q2	$963M	Sell	3,176,907 -340,582	-10%	-$104M	0.57%	27
2020 Q1	$1B	Sell	3,517,489 -227,201	-6%	-$68.9M	0.72%	22
2019 Q4	$1.1B	Sell	3,744,690 -237,571	-6%	-$70.6M	0.63%	27
2019 Q3	$1.15B	Sell	3,982,261 -263,899	-6%	-$74.3M	0.71%	19
2019 Q2	$1.12B	Sell	4,246,160 -365,103	-8%	-$91M	0.7%	21
2019 Q1	$1.12B	Sell	4,611,263 -75,748	-2%	-$16.6M	0.73%	19
2018 Q4	$955M	Sell	4,687,011 -33,401	-0.7%	-$7.46M	0.71%	20
2018 Q3	$1.11B	Sell	4,720,412 -456,393	-9%	-$103M	0.72%	17
2018 Q2	$1.08B	Buy	5,176,805 +160,638	+3%	+$31.7M	0.75%	14
2018 Q1	$945M	Buy	5,016,167 +772,138	+18%	+$146M	0.68%	20
2017 Q4	$790M	Sell	4,244,029 -44,362	-1%	-$7.66M	0.57%	27
2017 Q3	$705M	Buy	4,288,391 +715,642	+20%	+$112M	0.53%	35
2017 Q2	$571M	Buy	3,572,749 +323,844	+10%	+$55.8M	0.44%	47
2017 Q1	$545M	Buy	3,248,905 +129,106	+4%	+$21.6M	0.43%	51
2016 Q4	$500M	Buy	3,119,799 +206,074	+7%	+$31.5M	0.42%	51
2016 Q3	$444M	Sell	2,913,725 -377,792	-11%	-$61M	0.38%	57
2016 Q2	$517M	Buy	3,291,517 +342,446	+12%	+$51.9M	0.45%	49
2016 Q1	$465M	Sell	2,949,071 -187,739	-6%	-$28.5M	0.4%	59
2015 Q4	$507M	Sell	3,136,810 -149,398	-5%	-$23.6M	0.43%	49
2015 Q3	$475M	Sell	3,286,208 -180,586	-5%	-$25.8M	0.41%	52
2015 Q2	$468M	Buy	3,466,794 +149,528	+5%	+$21.5M	0.39%	59
2015 Q1	$503M	Buy	3,317,266 +21,119	+0.6%	+$3.1M	0.41%	55
2014 Q4	$467M	Buy	3,296,147 +351,332	+12%	+$47.8M	0.39%	60
2014 Q3	$369M	Sell	2,944,815 -83,920	-3%	-$10.1M	0.31%	79
2014 Q2	$349M	Sell	3,028,735 -1,298,787	-30%	-$149M	0.29%	80
2014 Q1	$483M	Buy	4,327,522 +529,102	+14%	+$60.5M	0.42%	53
2013 Q4	$452M	Buy	3,798,420 +749,920	+25%	+$89.7M	0.4%	63
2013 Q3	$351M	Buy	3,048,500 +193,301	+7%	+$22.3M	0.35%	73
2013 Q2	$316M	Buy	+2,855,199	New	+$312M	0.34%	74

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

AllianceBernstein's COST Position: Q1 2026 in Review

AllianceBernstein reduced its Costco (COST) stake by 2.9% in Q1 2026, selling an estimated $80.1M and leaving 2,766,241 shares worth $2.39B. The position accounts for 0.77% of the portfolio, ranked #14.

AllianceBernstein first reported a position in COST in Q2 2013 and has held it in 52 quarters since. The position peaked at $4.1B in Q1 2025. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

AllianceBernstein held 2,766,241 shares of Costco worth $2.39B as of Q1 2026.
AllianceBernstein sold 82,191 Costco shares in Q1 2026, an estimated $80.1M.
Costco made up 0.77% of AllianceBernstein's portfolio in Q1 2026, its #14 holding.
AllianceBernstein first reported a position in Costco in Q2 2013 and has held it in 52 quarters since.
AllianceBernstein's Costco position peaked at $4.1B in Q1 2025.
4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on AllianceBernstein's 13F filing for Q1 2026, filed 15 May 2026.