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J.M. Arbour’s Costco COST Stock Holding History

J.M. Arbour’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 		$293K Sell
294
-3
-1% -$2.92K 0.28% 94
2025
Q4 		$256K Buy
+297
New +$269K 0.26% 95

Other funds holding COST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
DAM
Diamant Asset Management Ridgefield, Connecticut $147M AUM 25.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

J.M. Arbour's COST Position: Q1 2026 in Review

J.M. Arbour reduced its Costco (COST) stake by 1% in Q1 2026, selling an estimated $2.92K and leaving 294 shares worth $293K. The position accounts for 0.28% of the portfolio, ranked #94.

J.M. Arbour first reported a position in COST in Q4 2025 and has held it in 2 quarters since. 4,247 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • J.M. Arbour held 294 shares of Costco worth $293K as of Q1 2026.
  • J.M. Arbour sold 3 Costco shares in Q1 2026, an estimated $2.92K.
  • Costco made up 0.28% of J.M. Arbour's portfolio in Q1 2026, its #94 holding.
  • J.M. Arbour first reported a position in Costco in Q4 2025 and has held it in 2 quarters since.
  • 4,247 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on J.M. Arbour's 13F filing for Q1 2026, filed 21 Apr 2026.