Marino Stram & Associates’s Costco COST Stock Holding History

Marino Stram & Associates’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	$313K	Buy	+335	New	+$334K	0.05%	160
2025 Q4	–	Sell	-648	Closed	-$601K	–	188
2025 Q3	$601K	Buy	+648	New	+$621K	0.11%	114
2021 Q3	–	Sell	-4,765	Closed	-$1.89M	–	175
2021 Q2	$1.89M	Buy	+4,765	New	+$1.8M	0.49%	57
2019 Q2	–	Sell	-88	Closed	-$21K	–	174
2019 Q1	$21K	Hold	88	–	–	0.02%	235
2018 Q4	$18K	Hold	88	–	–	0.02%	223
2018 Q3	$21K	Buy	88 +1	+1%	+$225	0.02%	238
2018 Q2	$18K	Sell	87 -18	-17%	-$3.56K	0.02%	252
2018 Q1	$20K	Hold	105	–	–	0.02%	248
2017 Q4	$20K	Buy	+105	New	+$18.1K	0.02%	253

Other funds holding COST

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return

Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return

Parnassus Investments San Francisco, California $37.4B AUM 35.42% 1-Year Est. Return

Emerald Advisors Bellevue, Washington $796M AUM 2.51% 1-Year Est. Return

New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return

PTC

Provident Trust Company Waukesha, Wisconsin $4.77B AUM 29.31% 1-Year Est. Return

Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return

Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return

Commonwealth Equity Services Waltham, Massachusetts $79.5B AUM 27.1% 1-Year Est. Return

Marino Stram & Associates's COST Position: Q2 2026 in Review

Marino Stram & Associates opened a new position in Costco (COST) in Q2 2026: 335 shares worth $313K. The stake represents 0.05% of the portfolio and ranks #160 among its holdings. This is a return to the name: Marino Stram & Associates previously reported a position in COST as recently as Q3 2025.

Marino Stram & Associates first reported a position in COST in Q4 2017 and has held it in 9 quarters since. The position peaked at $1.89M in Q2 2021. 2,085 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Marino Stram & Associates held 335 shares of Costco worth $313K as of Q2 2026.
Costco was a new Marino Stram & Associates position in Q2 2026.
Costco made up 0.05% of Marino Stram & Associates's portfolio in Q2 2026, its #160 holding.
Marino Stram & Associates first reported a position in Costco in Q4 2017 and has held it in 9 quarters since.
Marino Stram & Associates's Costco position peaked at $1.89M in Q2 2021.
2,085 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Marino Stram & Associates's 13F filing for Q2 2026, filed 24 Jul 2026.