GSA Capital Partners’s Costco COST Stock Holding History

GSA Capital Partners’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	$1.97M	Sell	1,977 -1,934	-49%	-$1.88M	0.12%	174
2025 Q4	$3.37M	Buy	3,911 +1,373	+54%	+$1.24M	0.29%	15
2025 Q3	$2.35M	Sell	2,538 -960	-27%	-$920K	0.2%	56
2025 Q2	$3.46M	Buy	+3,498	New	+$3.48M	0.24%	35
2025 Q1	–	Sell	-7,141	Closed	-$6.54M	–	1717
2024 Q4	$6.54M	Buy	+7,141	New	+$6.63M	0.48%	6
2024 Q1	–	Sell	-5,405	Closed	-$3.57M	–	1666
2023 Q4	$3.57M	Buy	5,405 +4,857	+886%	+$2.88M	0.3%	17
2023 Q3	$310K	Sell	548 -846	-61%	-$467K	0.03%	1056
2023 Q2	$751K	Buy	+1,394	New	+$705K	0.08%	476
2022 Q4	–	Sell	-1,135	Closed	-$536K	–	1530
2022 Q3	$536K	Buy	+1,135	New	+$590K	0.07%	520
2022 Q2	–	Sell	-1,165	Closed	-$671K	–	1443
2022 Q1	$671K	Sell	1,165 -1,877	-62%	-$985K	0.09%	363
2021 Q4	$1.73M	Buy	3,042 +1,823	+150%	+$934K	0.22%	44
2021 Q3	$548K	Sell	1,219 -1,408	-54%	-$619K	0.06%	645
2021 Q2	$1.04M	Buy	+2,627	New	+$993K	0.12%	234
2021 Q1	–	Sell	-1,247	Closed	-$470K	–	1160
2020 Q4	$470K	Buy	1,247 +625	+100%	+$234K	0.08%	457
2020 Q3	$221K	Buy	+622	New	+$209K	0.04%	945
2020 Q2	–	Sell	-2,424	Closed	-$691K	–	690
2020 Q1	$691K	Sell	2,424 -2,352	-49%	-$714K	0.17%	59
2019 Q4	$1.4M	Sell	4,776 -2,338	-33%	-$695K	0.16%	88
2019 Q3	$2.05M	Buy	+7,114	New	+$2M	0.28%	15
2019 Q2	–	Sell	-4,869	Closed	-$1.18M	–	1475
2019 Q1	$1.18M	Buy	+4,869	New	+$1.06M	0.12%	222
2018 Q4	–	Sell	-1,209	Closed	-$284K	–	1396
2018 Q3	$284K	Buy	+1,209	New	+$272K	0.02%	1345
2018 Q2	–	Sell	-10,500	Closed	-$1.98M	–	1712
2018 Q1	$1.98M	Sell	10,500 -14,301	-58%	-$2.7M	0.1%	295
2017 Q4	$4.62M	Buy	24,801 +23,486	+1,786%	+$4.05M	0.28%	20
2017 Q3	$216K	Sell	1,315 -29,945	-96%	-$4.7M	0.01%	1419
2017 Q2	$5M	Buy	+31,260	New	+$5.39M	0.33%	9
2017 Q1	–	Sell	-2,334	Closed	-$374K	–	1769
2016 Q4	$374K	Sell	2,334 -62,151	-96%	-$9.49M	0.02%	1192
2016 Q3	$9.84M	Buy	64,485 +43,216	+203%	+$6.98M	0.53%	5
2016 Q2	$3.34M	Buy	21,269 +6,560	+45%	+$993K	0.18%	73
2016 Q1	$2.32M	Buy	14,709 +4,355	+42%	+$660K	0.15%	137
2015 Q4	$1.67M	Buy	+10,354	New	+$1.64M	0.08%	344
2015 Q3	–	Sell	-49,561	Closed	-$6.69M	–	1783
2015 Q2	$6.69M	Buy	49,561 +37,441	+309%	+$5.38M	0.26%	29
2015 Q1	$1.84M	Sell	12,120 -20,256	-63%	-$2.97M	0.07%	391
2014 Q4	$4.59M	Buy	+32,376	New	+$4.4M	0.32%	14
2014 Q3	–	Sell	-9,619	Closed	-$1.11M	–	1734
2014 Q2	$1.11M	Sell	9,619 -46,627	-83%	-$5.35M	0.05%	612
2014 Q1	$6.28M	Buy	56,246 +40,248	+252%	+$4.6M	0.45%	24
2013 Q4	$1.9M	Sell	15,998 -7,144	-31%	-$854K	0.15%	107
2013 Q3	$2.66M	Buy	+23,142	New	+$2.67M	0.21%	80

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

GSA Capital Partners's COST Position: Q1 2026 in Review

GSA Capital Partners reduced its Costco (COST) stake by 49% in Q1 2026, selling an estimated $1.88M and leaving 1,977 shares worth $1.97M. The position accounts for 0.12% of the portfolio, ranked #174.

GSA Capital Partners first reported a position in COST in Q3 2013 and has held it in 36 quarters since. The position peaked at $9.84M in Q3 2016. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

GSA Capital Partners held 1,977 shares of Costco worth $1.97M as of Q1 2026.
GSA Capital Partners sold 1,934 Costco shares in Q1 2026, an estimated $1.88M.
Costco made up 0.12% of GSA Capital Partners's portfolio in Q1 2026, its #174 holding.
GSA Capital Partners first reported a position in Costco in Q3 2013 and has held it in 36 quarters since.
GSA Capital Partners's Costco position peaked at $9.84M in Q3 2016.
4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on GSA Capital Partners's 13F filing for Q1 2026, filed 8 May 2026.