Tumwater Wealth Management’s Costco COST Stock Holding History

Tumwater Wealth Management’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	$472K	Hold	505	–	–	0.17%	22
2026 Q1	$503K	Sell	505 -13	-3%	-$12.7K	0.2%	19
2025 Q4	$447K	Hold	518	–	–	0.18%	21
2025 Q3	$479K	Hold	518	–	–	0.21%	20
2025 Q2	$513K	Hold	518	–	–	0.24%	19
2025 Q1	$490K	Hold	518	–	–	0.26%	18
2024 Q4	$475K	Buy	+518	New	+$481K	0.25%	18

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

New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 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

Rathbones Group Liverpool, United Kingdom $27.1B AUM 20.2% 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

Tumwater Wealth Management's COST Position: Q2 2026 in Review

Tumwater Wealth Management held its Costco (COST) position steady in Q2 2026 at 505 shares worth $472K. The position accounts for 0.17% of the portfolio, ranked #22.

Tumwater Wealth Management first reported a position in COST in Q4 2024 and has held it in 7 quarters since. The position peaked at $513K in Q2 2025. 1,443 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Tumwater Wealth Management held 505 shares of Costco worth $472K as of Q2 2026.
Tumwater Wealth Management left its Costco share count unchanged in Q2 2026.
Costco made up 0.17% of Tumwater Wealth Management's portfolio in Q2 2026, its #22 holding.
Tumwater Wealth Management first reported a position in Costco in Q4 2024 and has held it in 7 quarters since.
Tumwater Wealth Management's Costco position peaked at $513K in Q2 2025.
1,443 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Tumwater Wealth Management's 13F filing for Q2 2026, filed 20 Jul 2026.