Oakmont Corp’s Costco COST Stock Holding History

Oakmont Corp’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	$18.9M	Sell	20,158 -2,558	-11%	-$2.55M	3.75%	12
2026 Q1	$22.6M	Buy	22,716 +581	+3%	+$566K	4.3%	12
2025 Q4	$19.1M	Buy	+22,135	New	+$20.1M	3.3%	12

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

Oakmont Corp's COST Position: Q2 2026 in Review

Oakmont Corp reduced its Costco (COST) stake by 11% in Q2 2026, selling an estimated $2.55M and leaving 20,158 shares worth $18.9M. The position accounts for 3.75% of the portfolio, ranked #12.

Oakmont Corp first reported a position in COST in Q4 2025 and has held it in 3 quarters since. The position peaked at $22.6M in Q1 2026. 4,237 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Oakmont Corp held 20,158 shares of Costco worth $18.9M as of Q2 2026.
Oakmont Corp sold 2,558 Costco shares in Q2 2026, an estimated $2.55M.
Costco made up 3.75% of Oakmont Corp's portfolio in Q2 2026, its #12 holding.
Oakmont Corp first reported a position in Costco in Q4 2025 and has held it in 3 quarters since.
Oakmont Corp's Costco position peaked at $22.6M in Q1 2026.
4,237 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Oakmont Corp's 13F filing for Q2 2026, filed 7 Aug 2026.