Marshall & Sullivan’s Costco COST Stock Holding History

Marshall & Sullivan’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
2025 Q3	$1.1M	Sell	1,186 -26	-2%	-$24.9K	0.51%	33
2025 Q2	$1.2M	Buy	1,212 +2	+0.2%	+$1.99K	0.58%	32
2025 Q1	$1.14M	Sell	1,210 -136	-10%	-$133K	0.58%	32
2024 Q4	$1.23M	Buy	1,346 +3	+0.2%	+$2.78K	0.6%	32
2024 Q3	$1.19M	Hold	1,343	–	–	0.57%	32
2024 Q2	$1.14M	Buy	1,343 +3	+0.2%	+$2.34K	0.57%	31
2024 Q1	$981K	Buy	1,340 +1	+0.1%	+$714	0.49%	33
2023 Q4	$884K	Sell	1,339 -4	-0.3%	-$2.37K	0.47%	34
2023 Q3	$759K	Buy	1,343 +4	+0.3%	+$2.21K	0.44%	33
2023 Q2	$721K	Buy	1,339 +58	+5%	+$29.3K	0.4%	34
2023 Q1	$636K	Sell	1,281 -175	-12%	-$85.8K	0.39%	34
2022 Q4	$664K	Buy	1,456 +194	+15%	+$94.8K	0.42%	34
2022 Q3	$596K	Sell	1,262 -231	-15%	-$120K	0.41%	32
2022 Q2	$714K	Buy	1,493 +206	+16%	+$105K	0.43%	34
2022 Q1	$741K	Buy	1,287 +149	+13%	+$78.2K	0.41%	32
2021 Q4	$646K	Buy	1,138 +22	+2%	+$11.3K	0.31%	35
2021 Q3	$501K	Buy	1,116 +255	+30%	+$112K	0.26%	37
2021 Q2	$340K	Buy	861 +5	+0.6%	+$1.89K	0.19%	35
2021 Q1	$302K	Buy	856 +458	+115%	+$159K	0.18%	34
2020 Q4	$1.06K	Sell	398 -652	-62%	-$244K	0.1%	45
2020 Q3	$373K	Sell	1,050 -20	-2%	-$6.72K	0.25%	34
2020 Q2	$325K	Buy	1,070 +162	+18%	+$49.3K	0.24%	34
2020 Q1	$259K	Sell	908 -689	-43%	-$209K	0.23%	34
2019 Q4	$469K	Sell	1,597 -5	-0.3%	-$1.49K	0.32%	34
2019 Q3	$462K	Sell	1,602 -50	-3%	-$14.1K	0.34%	34
2019 Q2	$437K	Buy	1,652 +5	+0.3%	+$1.25K	0.31%	36
2019 Q1	$399K	Buy	1,647 +82	+5%	+$17.9K	0.29%	37
2018 Q4	$319K	Hold	1,565	–	–	0.28%	38
2018 Q3	$368K	Sell	1,565 -46	-3%	-$10.4K	0.27%	39
2018 Q2	$337K	Hold	1,611	–	–	0.31%	38
2018 Q1	$304K	Buy	1,611 +6	+0.4%	+$1.13K	0.25%	39
2017 Q4	$299K	Hold	1,605	–	–	0.24%	38
2017 Q3	$258K	Buy	1,605 +15	+0.9%	+$2.36K	0.24%	38
2017 Q2	$254K	Hold	1,590	–	–	0.22%	39
2017 Q1	$272K	Buy	1,590 +10	+0.6%	+$1.68K	0.24%	38
2016 Q4	$253K	Buy	1,580 +14	+0.9%	+$2.14K	0.31%	35
2016 Q3	$238K	Hold	1,566	–	–	0.31%	34
2016 Q2	$245K	Sell	1,566 -19	-1%	-$2.88K	0.32%	33
2016 Q1	$250K	Hold	1,585	–	–	0.32%	33
2015 Q4	$255K	Hold	1,585	–	–	0.34%	33
2015 Q3	$247K	Buy	1,585 +96	+6%	+$13.7K	0.32%	33
2015 Q2	$201K	Hold	1,489	–	–	0.27%	35
2015 Q1	$225K	Sell	1,489 -150	-9%	-$22K	0.29%	35
2014 Q4	$2.32M	Sell	1,639 -167	-9%	-$22.7K	2.89%	20
2014 Q3	$226K	Buy	1,806 +952	+111%	+$115K	0.32%	36
2014 Q2	$98K	Buy	+854	New	+$98K	0.16%	41

Other funds holding COST

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

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

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

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

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

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

Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Marshall & Sullivan's COST Position: Q3 2025 in Review

Marshall & Sullivan reduced its Costco (COST) stake by 2.1% in Q3 2025, selling an estimated $24.9K and leaving 1,186 shares worth $1.1M. The position accounts for 0.51% of the portfolio, ranked #33.

Marshall & Sullivan first reported a position in COST in Q2 2014 and has held it in 46 quarters since. The position peaked at $2.32M in Q4 2014. 3,933 funds tracked by Wall St. Rank hold COST as of Q3 2025.

Marshall & Sullivan held 1,186 shares of Costco worth $1.1M as of Q3 2025.
Marshall & Sullivan sold 26 Costco shares in Q3 2025, an estimated $24.9K.
Costco made up 0.51% of Marshall & Sullivan's portfolio in Q3 2025, its #33 holding.
Marshall & Sullivan first reported a position in Costco in Q2 2014 and has held it in 46 quarters since.
Marshall & Sullivan's Costco position peaked at $2.32M in Q4 2014.
3,933 funds tracked by Wall St. Rank held Costco as of Q3 2025.

Based on Marshall & Sullivan's 13F filing for Q3 2025, filed 15 Oct 2025.