Riverwater Partners’s Costco COST Stock Holding History

Riverwater 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	$792K	Buy	847 +49	+6%	+$48.8K	0.24%	105
2026 Q1	$795K	Buy	798 +31	+4%	+$30.2K	0.27%	102
2025 Q4	$661K	Sell	767 -12	-2%	-$10.9K	0.26%	108
2025 Q3	$721K	Sell	779 -40	-5%	-$38.3K	0.3%	96
2025 Q2	$811K	Buy	819 +9	+1%	+$8.95K	0.38%	83
2025 Q1	$766K	Sell	810 -43	-5%	-$41.9K	0.39%	78
2024 Q4	$782K	Buy	853 +3	+0.4%	+$2.78K	0.38%	71
2024 Q3	$747K	Sell	850 -15	-2%	-$13K	0.37%	77
2024 Q2	$735K	Buy	865 +355	+70%	+$277K	0.54%	46
2024 Q1	$374K	Buy	+510	New	+$364K	0.27%	114

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

Riverwater Partners's COST Position: Q2 2026 in Review

Riverwater Partners increased its Costco (COST) stake by 6.1% in Q2 2026, buying an estimated $48.8K and bringing the position to 847 shares worth $792K. The position accounts for 0.24% of the portfolio, ranked #105.

Riverwater Partners first reported a position in COST in Q1 2024 and has held it in 10 quarters since. The position peaked at $811K in Q2 2025. 4,247 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Riverwater Partners held 847 shares of Costco worth $792K as of Q2 2026.
Riverwater Partners bought 49 Costco shares in Q2 2026, an estimated $48.8K.
Costco made up 0.24% of Riverwater Partners's portfolio in Q2 2026, its #105 holding.
Riverwater Partners first reported a position in Costco in Q1 2024 and has held it in 10 quarters since.
Riverwater Partners's Costco position peaked at $811K in Q2 2025.
4,247 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Riverwater Partners's 13F filing for Q2 2026, filed 14 Aug 2026.