Thomas Russo’s Costco COST Stock Holding History

Thomas Russo’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 Q2	$3.18M	Sell	3,399 -1,225	-26%	-$1.22M	0.04%	29
2026 Q1	$4.61M	Hold	4,624	–	–	0.05%	27
2025 Q4	$3.99M	Hold	4,624	–	–	0.04%	28
2025 Q3	$4.28M	Sell	4,624 -9	-0.2%	-$8.63K	0.05%	27
2025 Q2	$4.59M	Sell	4,633 -4	-0.1%	-$3.98K	0.05%	26
2025 Q1	$4.39M	Sell	4,637 -760	-14%	-$741K	0.05%	27
2024 Q4	$4.95M	Sell	5,397 -25	-0.5%	-$23.2K	0.06%	28
2024 Q3	$4.81M	Sell	5,422 -55	-1%	-$47.7K	0.05%	30
2024 Q2	$4.66M	Hold	5,477	–	–	0.05%	30
2024 Q1	$4.01M	Sell	5,477 -73	-1%	-$52.1K	0.04%	33
2023 Q4	$3.66M	Buy	5,550 +407	+8%	+$241K	0.04%	33
2023 Q3	$2.91M	Sell	5,143 -85	-2%	-$46.9K	0.03%	38
2023 Q2	$2.81M	Buy	5,228 +96	+2%	+$48.6K	0.03%	37
2023 Q1	$2.55M	Sell	5,132 -257	-5%	-$126K	0.03%	40
2022 Q4	$2.46M	Hold	5,389	–	–	0.03%	41
2022 Q3	$2.54M	Sell	5,389 -200	-4%	-$104K	0.03%	41
2022 Q2	$2.68M	Sell	5,589 -150	-3%	-$76.1K	0.03%	43
2022 Q1	$3.31M	Buy	5,739 +475	+9%	+$249K	0.03%	41
2021 Q4	$2.99M	Hold	5,264	–	–	0.03%	42
2021 Q3	$2.37M	Buy	5,264 +96	+2%	+$42.2K	0.02%	46
2021 Q2	$2.04M	Sell	5,168 -126	-2%	-$47.6K	0.02%	51
2021 Q1	$1.87M	Sell	5,294 -101	-2%	-$35.2K	0.02%	50
2020 Q4	$2.03M	Buy	5,395 +2	+0%	+$747	0.02%	52
2020 Q3	$1.91M	Sell	5,393 -26	-0.5%	-$8.74K	0.02%	47
2020 Q2	$1.64M	Buy	5,419 +390	+8%	+$119K	0.02%	49
2020 Q1	$1.43M	Sell	5,029 -136	-3%	-$41.3K	0.01%	50
2019 Q4	$1.52M	Sell	5,165 -5	-0.1%	-$1.49K	0.01%	52
2019 Q3	$1.49M	Buy	5,170 +78	+2%	+$21.9K	0.01%	52
2019 Q2	$1.35M	Sell	5,092 -135	-3%	-$33.6K	0.01%	55
2019 Q1	$1.27M	Hold	5,227	–	–	0.01%	55
2018 Q4	$1.06M	Hold	5,227	–	–	0.01%	59
2018 Q3	$1.23M	Sell	5,227 -246	-4%	-$55.4K	0.01%	60
2018 Q2	$1.14M	Hold	5,473	–	–	0.01%	63
2018 Q1	$1.03M	Buy	5,473 +155	+3%	+$29.2K	0.01%	65
2017 Q4	$990K	Hold	5,318	–	–	0.01%	68
2017 Q3	$874K	Sell	5,318 -1,325	-20%	-$208K	0.01%	71
2017 Q2	$1.06M	Hold	6,643	–	–	0.01%	68
2017 Q1	$1.11M	Sell	6,643 -5	-0.1%	-$838	0.01%	65
2016 Q4	$1.06M	Buy	6,648 +132	+2%	+$20.1K	0.01%	68
2016 Q3	$994K	Hold	6,516	–	–	0.01%	70
2016 Q2	$1.02M	Buy	6,516 +125	+2%	+$18.9K	0.01%	69
2016 Q1	$1.01M	Buy	6,391 +96	+2%	+$14.6K	0.01%	69
2015 Q4	$1.02M	Hold	6,295	–	–	0.01%	68
2015 Q3	$910K	Buy	6,295 +640	+11%	+$91.3K	0.01%	71
2015 Q2	$764K	Hold	5,655	–	–	0.01%	75
2015 Q1	$857K	Hold	5,655	–	–	0.01%	74
2014 Q4	$802K	Hold	5,655	–	–	0.01%	75
2014 Q3	$709K	Hold	5,655	–	–	0.01%	80
2014 Q2	$651K	Sell	5,655 -1,200	-18%	-$138K	0.01%	84
2014 Q1	$766K	Buy	6,855 +1,000	+17%	+$114K	0.01%	84
2013 Q4	$697K	Hold	5,855	–	–	0.01%	86
2013 Q3	$674K	Hold	5,855	–	–	0.01%	87
2013 Q2	$647K	Buy	+5,855	New	+$640K	0.01%	83

Other funds holding COST

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Thomas Russo's COST Position: Q2 2026 in Review

Thomas Russo reduced its Costco (COST) stake by 26% in Q2 2026, selling an estimated $1.22M and leaving 3,399 shares worth $3.18M. The position accounts for 0.04% of the portfolio, ranked #29.

Thomas Russo first reported a position in COST in Q2 2013 and has held it in 53 quarters since. The position peaked at $4.95M in Q4 2024. 4,218 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Thomas Russo held 3,399 shares of Costco worth $3.18M as of Q2 2026.
Thomas Russo sold 1,225 Costco shares in Q2 2026, an estimated $1.22M.
Costco made up 0.04% of Thomas Russo's portfolio in Q2 2026, its #29 holding.
Thomas Russo first reported a position in Costco in Q2 2013 and has held it in 53 quarters since.
Thomas Russo's Costco position peaked at $4.95M in Q4 2024.
4,218 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Gardner Russo & Quinn's 13F filing for Q2 2026, filed 13 Aug 2026.