LMR Partners’s Costco COST Stock Holding History

LMR Partners’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	$23.6M	Buy	+23,700	New	+$23.1M	0.05%	190
2025 Q3	–	Sell	-300	Closed	-$297K	–	1479
2025 Q2	$297K	Buy	+300	New	+$298K	﹤0.01%	1055
2025 Q1	–	Sell	-14,300	Closed	-$13.1M	–	1414
2024 Q4	$13.1M	Buy	14,300 +7,500	+110%	+$6.96M	0.11%	186
2024 Q3	$6.03M	Buy	+6,800	New	+$5.9M	0.05%	322
2024 Q1	–	Sell	-1,000	Closed	-$660K	–	1183
2023 Q4	$660K	Hold	1,000	–	–	0.01%	624
2023 Q3	$565K	Hold	1,000	–	–	0.01%	545
2023 Q2	$538K	Buy	+1,000	New	+$506K	0.01%	483

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

LMR Partners's COST Position: Q1 2026 in Review

LMR Partners reduced its Costco (COST) stake by 55% in Q1 2026, selling an estimated $9.61M and leaving 8,176 shares worth $8.15M. The position accounts for 0.02% of the portfolio, ranked #490.

LMR Partners first reported a position in COST in Q1 2014 and has held it in 26 quarters since. The position peaked at $17.3M in Q4 2024. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.

LMR Partners held 8,176 shares of Costco worth $8.15M as of Q1 2026.
LMR Partners sold 9,861 Costco shares in Q1 2026, an estimated $9.61M.
Costco made up 0.02% of LMR Partners's portfolio in Q1 2026, its #490 holding.
LMR Partners first reported a position in Costco in Q1 2014 and has held it in 26 quarters since.
LMR Partners's Costco position peaked at $17.3M in Q4 2024.
4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on LMR Partners's 13F filing for Q1 2026, filed 15 May 2026.