Marietta Investment Partners’s Costco COST Stock Holding History

Marietta Investment 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 Q2	$610K	Hold	652	–	–	0.1%	117
2026 Q1	$650K	Buy	652 +90	+16%	+$87.7K	0.13%	107
2025 Q4	$485K	Sell	562 -1,150	-67%	-$1.04M	0.1%	121
2025 Q3	$1.58M	Buy	1,712 +205	+14%	+$196K	0.31%	74
2025 Q2	$1.49M	Buy	1,507 +918	+156%	+$912K	0.33%	69
2025 Q1	$557K	Buy	+589	New	+$574K	0.13%	113
2020 Q4	–	Sell	-763	Closed	-$271K	–	155
2020 Q3	$271K	Buy	+763	New	+$256K	0.08%	125

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 $3.38T AUM 44.17% 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

Marietta Investment Partners's COST Position: Q2 2026 in Review

Marietta Investment Partners held its Costco (COST) position steady in Q2 2026 at 652 shares worth $610K. The position accounts for 0.1% of the portfolio, ranked #117.

Marietta Investment Partners first reported a position in COST in Q3 2020 and has held it in 7 quarters since. The position peaked at $1.58M in Q3 2025. 4,263 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Marietta Investment Partners held 652 shares of Costco worth $610K as of Q2 2026.
Marietta Investment Partners left its Costco share count unchanged in Q2 2026.
Costco made up 0.1% of Marietta Investment Partners's portfolio in Q2 2026, its #117 holding.
Marietta Investment Partners first reported a position in Costco in Q3 2020 and has held it in 7 quarters since.
Marietta Investment Partners's Costco position peaked at $1.58M in Q3 2025.
4,263 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Marietta Investment Partners's 13F filing for Q2 2026, filed 12 Aug 2026.