Mayport LLC’s Costco COST Stock Holding History

Mayport LLC’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	$307K	Sell	329 -10	-3%	-$9.96K	0.05%	108
2026 Q1	$337K	Buy	339 +21	+7%	+$20.5K	0.06%	95
2025 Q4	$274K	Sell	318 -16	-5%	-$14.5K	0.06%	89
2025 Q3	$309K	Buy	334 +8	+2%	+$7.67K	0.07%	81
2025 Q2	$322K	Buy	326 +8	+3%	+$7.95K	0.08%	76
2025 Q1	$301K	Buy	+318	New	+$310K	0.08%	72

Other funds holding COST

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Mayport LLC's COST Position: Q2 2026 in Review

Mayport LLC reduced its Costco (COST) stake by 2.9% in Q2 2026, selling an estimated $9.96K and leaving 329 shares worth $307K. The position accounts for 0.05% of the portfolio, ranked #108.

Mayport LLC first reported a position in COST in Q1 2025 and has held it in 6 quarters since. The position peaked at $337K in Q1 2026. 4,247 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Mayport LLC held 329 shares of Costco worth $307K as of Q2 2026.
Mayport LLC sold 10 Costco shares in Q2 2026, an estimated $9.96K.
Costco made up 0.05% of Mayport LLC's portfolio in Q2 2026, its #108 holding.
Mayport LLC first reported a position in Costco in Q1 2025 and has held it in 6 quarters since.
Mayport LLC's Costco position peaked at $337K in Q1 2026.
4,247 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Mayport LLC's 13F filing for Q2 2026, filed 7 Aug 2026.