St. Clair Advisors’s Costco COST Stock Holding History

St. Clair Advisors’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	$1.85M	Hold	1,975	–	–	0.48%	37
2026 Q1	$1.97M	Hold	1,975	–	–	0.52%	36
2025 Q4	$1.7M	Hold	1,975	–	–	0.44%	37
2025 Q3	$1.83M	Hold	1,975	–	–	0.49%	35
2025 Q2	$1.96M	Hold	1,975	–	–	0.51%	33
2025 Q1	$1.87M	Hold	1,975	–	–	0.52%	33
2024 Q4	$1.81M	Hold	1,975	–	–	0.52%	32
2024 Q3	$1.75M	Hold	1,975	–	–	0.5%	30
2024 Q2	$1.68M	Sell	1,975 -25	-1%	-$19.5K	0.54%	29
2024 Q1	$1.47M	Hold	2,000	–	–	0.48%	33
2023 Q4	$1.32M	Hold	2,000	–	–	0.46%	38
2023 Q3	$1.13M	Hold	2,000	–	–	0.45%	36
2023 Q2	$1.08M	Hold	2,000	–	–	0.42%	38
2023 Q1	$994K	Buy	+2,000	New	+$981K	0.43%	38

Other funds holding COST

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

Emerald Advisors Bellevue, Washington $796M AUM 2.51% 1-Year Est. Return

Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return

Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return

Mirae Asset Global Investments Seoul, South Korea $67.7B AUM 51.91% 1-Year Est. Return

Sarasin & Partners London, United Kingdom $8.54B AUM 9.6% 1-Year Est. Return

CAM

Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return

CRM

Cardano Risk Management Rotterdam, Netherlands $13B AUM 49.44% 1-Year Est. Return

Steginsky Capital Port Washington, New York $666M AUM 34.57% 1-Year Est. Return

St. Clair Advisors's COST Position: Q2 2026 in Review

St. Clair Advisors held its Costco (COST) position steady in Q2 2026 at 1,975 shares worth $1.85M. The position accounts for 0.48% of the portfolio, ranked #37.

St. Clair Advisors first reported a position in COST in Q1 2023 and has held it in 14 quarters since. The position peaked at $1.97M in Q1 2026. 1,132 funds tracked by Wall St. Rank hold COST as of Q2 2026.

St. Clair Advisors held 1,975 shares of Costco worth $1.85M as of Q2 2026.
St. Clair Advisors left its Costco share count unchanged in Q2 2026.
Costco made up 0.48% of St. Clair Advisors's portfolio in Q2 2026, its #37 holding.
St. Clair Advisors first reported a position in Costco in Q1 2023 and has held it in 14 quarters since.
St. Clair Advisors's Costco position peaked at $1.97M in Q1 2026.
1,132 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on St. Clair Advisors's 13F filing for Q2 2026, filed 6 Jul 2026.