Rahlfs Capital’s Costco COST Stock Holding History

Rahlfs Capital’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	$492K	Hold	540	–	–	0.33%	63
2026 Q2	$505K	Hold	540	–	–	0.37%	58
2026 Q1	$538K	Hold	540	–	–	0.4%	59
2025 Q4	$466K	Hold	540	–	–	0.36%	60
2025 Q3	$500K	Hold	540	–	–	0.4%	55
2025 Q2	$535K	Hold	540	–	–	0.49%	52
2025 Q1	$511K	Hold	540	–	–	0.51%	47
2024 Q4	$495K	Buy	+540	New	+$501K	0.49%	49

Other funds holding COST

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Fisher Asset Management Camas, Washington $348B AUM 26.9% 1-Year Est. Return

Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return

UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return

Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return

Rahlfs Capital's COST Position: Q3 2026 in Review

Rahlfs Capital held its Costco (COST) position steady in Q3 2026 at 540 shares worth $492K. The position accounts for 0.33% of the portfolio, ranked #63.

Rahlfs Capital first reported a position in COST in Q4 2024 and has held it in 8 quarters since. The position peaked at $538K in Q1 2026. 2,986 funds tracked by Wall St. Rank hold COST as of Q3 2026.

Rahlfs Capital held 540 shares of Costco worth $492K as of Q3 2026.
Rahlfs Capital left its Costco share count unchanged in Q3 2026.
Costco made up 0.33% of Rahlfs Capital's portfolio in Q3 2026, its #63 holding.
Rahlfs Capital first reported a position in Costco in Q4 2024 and has held it in 8 quarters since.
Rahlfs Capital's Costco position peaked at $538K in Q1 2026.
2,986 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Rahlfs Capital's 13F filing for Q3 2026, filed 23 Oct 2026.