Banque Transatlantique’s Costco COST Stock Holding History

Banque Transatlantique’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	$185M	Buy	211,117 +11,776	+6%	+$11.7M	3.96%	7
2026 Q1	$199M	Sell	199,341 -12,621	-6%	-$12.3M	4.77%	6
2025 Q4	$184M	Buy	211,962 +6,710	+3%	+$6.08M	4.45%	8
2025 Q3	$190M	Buy	205,252 +4,944	+2%	+$4.74M	4.63%	7
2025 Q2	$199M	Sell	200,308 -4,772	-2%	-$4.74M	5.49%	6
2025 Q1	$194M	Sell	205,080 -25,927	-11%	-$25.3M	5.86%	5
2024 Q4	$212M	Buy	+231,007	New	+$214M	5.39%	5

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

Banque Transatlantique's COST Position: Q2 2026 in Review

Banque Transatlantique increased its Costco (COST) stake by 5.9% in Q2 2026, buying an estimated $11.7M and bringing the position to 211,117 shares worth $185M. The position accounts for 3.96% of the portfolio, ranked #7.

Banque Transatlantique first reported a position in COST in Q4 2024 and has held it in 7 quarters since. The position peaked at $212M in Q4 2024. 2,106 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Banque Transatlantique held 211,117 shares of Costco worth $185M as of Q2 2026.
Banque Transatlantique bought 11,776 Costco shares in Q2 2026, an estimated $11.7M.
Costco made up 3.96% of Banque Transatlantique's portfolio in Q2 2026, its #7 holding.
Banque Transatlantique first reported a position in Costco in Q4 2024 and has held it in 7 quarters since.
Banque Transatlantique's Costco position peaked at $212M in Q4 2024.
2,106 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Banque Transatlantique's 13F filing for Q2 2026, filed 30 Jul 2026.