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Reflection Asset Management’s Costco COST Stock Holding History

Reflection Asset Management’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 		$3.21M Buy
3,217
+833
+35% +$812K 1.96% 9
2025
Q4 		$2.06M Buy
+2,384
New +$2.16M 1.46% 13

Other funds holding COST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Reflection Asset Management's COST Position: Q1 2026 in Review

Reflection Asset Management increased its Costco (COST) stake by 35% in Q1 2026, buying an estimated $812K and bringing the position to 3,217 shares worth $3.21M. The position accounts for 1.96% of the portfolio, ranked #9.

Reflection Asset Management first reported a position in COST in Q4 2025 and has held it in 2 quarters since. 4,273 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Reflection Asset Management held 3,217 shares of Costco worth $3.21M as of Q1 2026.
  • Reflection Asset Management bought 833 Costco shares in Q1 2026, an estimated $812K.
  • Costco made up 1.96% of Reflection Asset Management's portfolio in Q1 2026, its #9 holding.
  • Reflection Asset Management first reported a position in Costco in Q4 2025 and has held it in 2 quarters since.
  • 4,273 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Reflection Asset Management's 13F filing for Q1 2026, filed 26 Aug 2026.