Cornerstone Enterprises’s Costco COST Stock Holding History

Cornerstone Enterprises’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	$469K	Buy	501 +5	+1%	+$4.98K	0.21%	32
2026 Q1	$494K	Hold	496	–	–	0.25%	29
2025 Q4	$428K	Hold	496	–	–	0.2%	29
2025 Q3	$459K	Hold	496	–	–	0.23%	24
2025 Q2	$491K	Hold	496	–	–	0.26%	24
2025 Q1	$469K	Buy	496 +10	+2%	+$9.75K	0.29%	20
2024 Q4	$445K	Sell	486 -57	-10%	-$52.9K	0.27%	23
2024 Q3	$481K	Buy	543 +15	+3%	+$13K	0.3%	22
2024 Q2	$449K	Buy	528 +8	+2%	+$6.24K	0.3%	25
2024 Q1	$375K	Sell	520 -13	-2%	-$9.28K	0.28%	27
2023 Q4	$352K	Buy	+533	New	+$316K	0.31%	21

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

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

New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

Cornerstone Enterprises's COST Position: Q2 2026 in Review

Cornerstone Enterprises increased its Costco (COST) stake by 1% in Q2 2026, buying an estimated $4.98K and bringing the position to 501 shares worth $469K. The position accounts for 0.21% of the portfolio, ranked #32.

Cornerstone Enterprises first reported a position in COST in Q4 2023 and has held it in 11 quarters since. The position peaked at $494K in Q1 2026. 1,901 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Cornerstone Enterprises held 501 shares of Costco worth $469K as of Q2 2026.
Cornerstone Enterprises bought 5 Costco shares in Q2 2026, an estimated $4.98K.
Costco made up 0.21% of Cornerstone Enterprises's portfolio in Q2 2026, its #32 holding.
Cornerstone Enterprises first reported a position in Costco in Q4 2023 and has held it in 11 quarters since.
Cornerstone Enterprises's Costco position peaked at $494K in Q1 2026.
1,901 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Cornerstone Enterprises's 13F filing for Q2 2026, filed 23 Jul 2026.