1248 Management’s Costco COST Stock Holding History

1248 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 Q1	$787K	Hold	790	–	–	0.36%	36
2025 Q4	$681K	Hold	790	–	–	0.36%	44
2025 Q3	$731K	Sell	790 -292	-27%	-$280K	0.41%	43
2025 Q2	$1.07M	Hold	1,082	–	–	0.4%	48
2025 Q1	$1.02M	Sell	1,082 -875	-45%	-$853K	0.44%	42
2024 Q4	$1.79M	Buy	+1,957	New	+$1.82M	0.77%	25

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 $147M AUM 25.76% 1-Year Est. Return

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

1248 Management's COST Position: Q1 2026 in Review

1248 Management held its Costco (COST) position steady in Q1 2026 at 790 shares worth $787K. The position accounts for 0.36% of the portfolio, ranked #36.

1248 Management first reported a position in COST in Q4 2024 and has held it in 6 quarters since. The position peaked at $1.79M in Q4 2024. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

1248 Management held 790 shares of Costco worth $787K as of Q1 2026.
1248 Management left its Costco share count unchanged in Q1 2026.
Costco made up 0.36% of 1248 Management's portfolio in Q1 2026, its #36 holding.
1248 Management first reported a position in Costco in Q4 2024 and has held it in 6 quarters since.
1248 Management's Costco position peaked at $1.79M in Q4 2024.
4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on 1248 Management's 13F filing for Q1 2026, filed 15 May 2026.