Tower Trust & Investment Company’s Costco COST Stock Holding History

Tower Trust & Investment Company’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	$2.4M	Sell	2,567 -63	-2%	-$62.8K	1.46%	14
2026 Q1	$2.62M	Sell	2,630 -15	-0.6%	-$14.6K	1.72%	10
2025 Q4	$2.28M	Sell	2,645 -39	-1%	-$35.3K	1.44%	11
2025 Q3	$2.48M	Sell	2,684 -45	-2%	-$43.1K	1.67%	11
2025 Q2	$2.7M	Sell	2,729 -118	-4%	-$117K	1.92%	9
2025 Q1	$2.83M	Buy	+2,847	New	+$2.78M	2.28%	9

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

Tower Trust & Investment Company's COST Position: Q2 2026 in Review

Tower Trust & Investment Company reduced its Costco (COST) stake by 2.4% in Q2 2026, selling an estimated $62.8K and leaving 2,567 shares worth $2.4M. The position accounts for 1.46% of the portfolio, ranked #14.

Tower Trust & Investment Company first reported a position in COST in Q1 2025 and has held it in 6 quarters since. The position peaked at $2.83M in Q1 2025. 2,087 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Tower Trust & Investment Company held 2,567 shares of Costco worth $2.4M as of Q2 2026.
Tower Trust & Investment Company sold 63 Costco shares in Q2 2026, an estimated $62.8K.
Costco made up 1.46% of Tower Trust & Investment Company's portfolio in Q2 2026, its #14 holding.
Tower Trust & Investment Company first reported a position in Costco in Q1 2025 and has held it in 6 quarters since.
Tower Trust & Investment Company's Costco position peaked at $2.83M in Q1 2025.
2,087 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Tower Trust & Investment Company's 13F filing for Q2 2026, filed 9 Jul 2026.