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 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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

DAM

Diamant Asset Management Ridgefield, Connecticut $137B AUM 18.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Rahlfs Capital's COST Position: Q1 2026 in Review

Rahlfs Capital held its Costco (COST) position steady in Q1 2026 at 540 shares worth $538K. The position accounts for 0.4% of the portfolio, ranked #59.

Rahlfs Capital first reported a position in COST in Q4 2024 and has held it in 6 quarters since. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Rahlfs Capital held 540 shares of Costco worth $538K as of Q1 2026.
Rahlfs Capital left its Costco share count unchanged in Q1 2026.
Costco made up 0.4% of Rahlfs Capital's portfolio in Q1 2026, its #59 holding.
Rahlfs Capital first reported a position in Costco in Q4 2024 and has held it in 6 quarters since.
4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Rahlfs Capital's 13F filing for Q1 2026, filed 11 May 2026.