Alpha Zero’s Costco COST Stock Holding History

Alpha Zero’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	$685K	Buy	724 +181	+33%	+$180K	0.26%	49
2026 Q1	$541K	Sell	543 -12	-2%	-$11.7K	0.27%	46
2025 Q4	$479K	Sell	555 -23	-4%	-$20.8K	0.26%	43
2025 Q3	$535K	Buy	578 +22	+4%	+$21.1K	0.31%	37
2025 Q2	$550K	Buy	556 +26	+5%	+$25.8K	0.36%	35
2025 Q1	$501K	Buy	530 +1	+0.2%	+$975	0.38%	34
2024 Q4	$485K	Buy	+529	New	+$491K	0.36%	38

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

Alpha Zero's COST Position: Q2 2026 in Review

Alpha Zero increased its Costco (COST) stake by 33% in Q2 2026, buying an estimated $180K and bringing the position to 724 shares worth $685K. The position accounts for 0.26% of the portfolio, ranked #49.

Alpha Zero first reported a position in COST in Q4 2024 and has held it in 7 quarters since. 1,962 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Alpha Zero held 724 shares of Costco worth $685K as of Q2 2026.
Alpha Zero bought 181 Costco shares in Q2 2026, an estimated $180K.
Costco made up 0.26% of Alpha Zero's portfolio in Q2 2026, its #49 holding.
Alpha Zero first reported a position in Costco in Q4 2024 and has held it in 7 quarters since.
1,962 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Alpha Zero's 13F filing for Q2 2026, filed 20 Jul 2026.