Seek First’s Costco COST Stock Holding History

Seek First’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 Q3	$308K	Buy	339 +1	+0.3%	+$934	0.2%	55
2026 Q2	$316K	Sell	338 -13	-4%	-$13K	0.2%	55
2026 Q1	$350K	Hold	351	–	–	0.25%	46
2025 Q4	$302K	Sell	351 -2	-0.6%	-$1.81K	0.21%	48
2025 Q3	$327K	Sell	353 -5	-1%	-$4.79K	0.24%	48
2025 Q2	$354K	Buy	358 +9	+3%	+$8.94K	0.29%	40
2025 Q1	$330K	Buy	+349	New	+$340K	0.29%	40

Other funds holding COST

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $174B AUM 33.96% 1-Year Est. Return

Everett Harris & Co Los Angeles, California $8.46B AUM 13.48% 1-Year Est. Return

Swedbank Stockholm, Sweden $118B AUM 40.52% 1-Year Est. Return

Emerald Advisors Bellevue, Washington $781M AUM 4.78% 1-Year Est. Return

Parnassus Investments San Francisco, California $33.8B AUM 31.08% 1-Year Est. Return

Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return

ProShare Advisors Bethesda, Maryland $69.5B AUM 31.38% 1-Year Est. Return

Bank Julius Baer & Co Zurich, Switzerland $39.3B AUM 31.81% 1-Year Est. Return

Provident Trust Company Waukesha, Wisconsin $3.22B AUM 13.63% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 1-Year Est. Return

Seek First's COST Position: Q3 2026 in Review

Seek First increased its Costco (COST) stake by 0.3% in Q3 2026, buying an estimated $934 and bringing the position to 339 shares worth $308K. The position accounts for 0.2% of the portfolio, ranked #55.

Seek First first reported a position in COST in Q1 2025 and has held it in 7 quarters since. The position peaked at $354K in Q2 2025. 1,940 funds tracked by Wall St. Rank hold COST as of Q3 2026.

Seek First held 339 shares of Costco worth $308K as of Q3 2026.
Seek First bought 1 Costco share in Q3 2026, an estimated $934.
Costco made up 0.2% of Seek First's portfolio in Q3 2026, its #55 holding.
Seek First first reported a position in Costco in Q1 2025 and has held it in 7 quarters since.
Seek First's Costco position peaked at $354K in Q2 2025.
1,940 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Seek First's 13F filing for Q3 2026, filed 27 Oct 2026.