Oppenheimer & Co’s Costco COST Stock Holding History

Oppenheimer & Co’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	$93.4M	Buy	93,698 +2,907	+3%	+$2.83M	1.14%	11
2025 Q4	$78.3M	Sell	90,791 -933	-1%	-$845K	1.11%	9
2025 Q3	$84.9M	Sell	91,724 -2,038	-2%	-$1.95M	1.04%	11
2025 Q2	$92.8M	Sell	93,762 -198	-0.2%	-$197K	1.23%	8
2025 Q1	$88.9M	Sell	93,960 -2,697	-3%	-$2.63M	1.34%	8
2024 Q4	$88.6M	Buy	96,657 +2,541	+3%	+$2.36M	1.32%	6
2024 Q3	$83.4M	Sell	94,116 -1,389	-1%	-$1.21M	1.27%	7
2024 Q2	$81.2M	Sell	95,505 -307	-0.3%	-$240K	1.29%	7
2024 Q1	$70.2M	Sell	95,812 -3,571	-4%	-$2.55M	1.16%	6
2023 Q4	$65.6M	Buy	99,383 +2,078	+2%	+$1.23M	1.21%	6
2023 Q3	$55M	Buy	97,305 +1,123	+1%	+$620K	1.13%	6
2023 Q2	$51.8M	Buy	96,182 +1,350	+1%	+$683K	1.04%	7
2023 Q1	$47.1M	Buy	94,832 +709	+0.8%	+$348K	1%	6
2022 Q4	$43M	Buy	94,123 +1,825	+2%	+$892K	0.98%	7
2022 Q3	$43.6M	Buy	92,298 +544	+0.6%	+$283K	1.02%	6
2022 Q2	$44M	Buy	91,754 +849	+0.9%	+$431K	0.95%	8
2022 Q1	$52.3M	Buy	90,905 +4,095	+5%	+$2.15M	0.94%	8
2021 Q4	$49.3M	Sell	86,810 -817	-0.9%	-$418K	0.86%	11
2021 Q3	$39.4M	Sell	87,627 -3,638	-4%	-$1.6M	0.74%	16
2021 Q2	$36.1M	Sell	91,265 -185	-0.2%	-$70K	0.65%	19
2021 Q1	$32.2M	Buy	91,450 +4,299	+5%	+$1.5M	0.64%	21
2020 Q4	$32.8M	Sell	87,151 -861	-1%	-$322K	0.69%	21
2020 Q3	$31.2M	Sell	88,012 -8,767	-9%	-$2.95M	0.78%	17
2020 Q2	$29.3M	Sell	96,779 -3,423	-3%	-$1.04M	0.76%	19
2020 Q1	$28.6M	Buy	100,202 +12,509	+14%	+$3.8M	0.87%	16
2019 Q4	$25.8M	Buy	87,693 +2,241	+3%	+$666K	0.64%	27
2019 Q3	$24.6M	Sell	85,452 -2,259	-3%	-$636K	0.67%	25
2019 Q2	$23.2M	Sell	87,711 -10,150	-10%	-$2.53M	0.63%	28
2019 Q1	$23.7M	Buy	97,861 +2,194	+2%	+$480K	0.63%	30
2018 Q4	$19.5M	Sell	95,667 -20,480	-18%	-$4.57M	0.61%	33
2018 Q3	$27.3M	Buy	116,147 +2,843	+3%	+$640K	0.69%	22
2018 Q2	$23.7M	Sell	113,304 -1,866	-2%	-$369K	0.64%	25
2018 Q1	$21.7M	Buy	115,170 +2,071	+2%	+$391K	0.56%	31
2017 Q4	$21.1M	Buy	113,099 +3,826	+4%	+$661K	0.54%	33
2017 Q3	$18M	Sell	109,273 -21,577	-16%	-$3.39M	0.48%	39
2017 Q2	$20.9M	Buy	130,850 +8,103	+7%	+$1.4M	0.58%	24
2017 Q1	$20.6M	Sell	122,747 -27,284	-18%	-$4.57M	0.58%	28
2016 Q4	$24M	Buy	150,031 +6,807	+5%	+$1.04M	0.7%	18
2016 Q3	$21.8M	Sell	143,224 -6,504	-4%	-$1.05M	0.64%	22
2016 Q2	$23.5M	Sell	149,728 -6,775	-4%	-$1.03M	0.7%	19
2016 Q1	$24.7M	Sell	156,503 -18,471	-11%	-$2.8M	0.75%	13
2015 Q4	$28.3M	Buy	174,974 +23,963	+16%	+$3.79M	0.84%	11
2015 Q3	$21.8M	Buy	151,011 +2,831	+2%	+$404K	0.66%	16
2015 Q2	$20M	Buy	148,180 +3,671	+3%	+$528K	0.56%	27
2015 Q1	$21.9M	Buy	144,509 +1,255	+0.9%	+$184K	0.6%	23
2014 Q4	$20.3M	Buy	143,254 +4,263	+3%	+$579K	0.58%	30
2014 Q3	$17.4M	Buy	138,991 +987	+0.7%	+$119K	0.52%	32
2014 Q2	$15.9M	Buy	138,004 +984	+0.7%	+$113K	0.48%	38
2014 Q1	$15.3M	Buy	137,020 +5,161	+4%	+$590K	0.46%	39
2013 Q4	$15.7M	Buy	131,859 +3,562	+3%	+$426K	0.5%	33
2013 Q3	$14.8M	Buy	128,297 +2,960	+2%	+$342K	0.52%	32
2013 Q2	$13.9M	Buy	+125,337	New	+$13.7M	0.54%	32

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

Oppenheimer & Co's COST Position: Q1 2026 in Review

Oppenheimer & Co increased its Costco (COST) stake by 3.2% in Q1 2026, buying an estimated $2.83M and bringing the position to 93,698 shares worth $93.4M. The position accounts for 1.14% of the portfolio, ranked #11.

Oppenheimer & Co first reported a position in COST in Q2 2013 and has held it in 52 quarters since. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Oppenheimer & Co held 93,698 shares of Costco worth $93.4M as of Q1 2026.
Oppenheimer & Co bought 2,907 Costco shares in Q1 2026, an estimated $2.83M.
Costco made up 1.14% of Oppenheimer & Co's portfolio in Q1 2026, its #11 holding.
Oppenheimer & Co first reported a position in Costco in Q2 2013 and has held it in 52 quarters since.
4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Oppenheimer & Co's 13F filing for Q1 2026, filed 24 Apr 2026.