MCM
COST icon

M1 Capital Management’s Costco COST Stock Holding History

M1 Capital 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 		$651K Sell
653
-32
-5% -$31.2K 0.3% 57
2025
Q4 		$591K Buy
685
+41
+6% +$37.2K 0.25% 59
2025
Q3 		$596K Buy
644
+100
+18% +$95.9K 0.26% 59
2025
Q2 		$539K Buy
544
+22
+4% +$21.9K 0.27% 54
2025
Q1 		$494K Sell
522
-3
-0.6% -$2.92K 0.31% 46
2024
Q4 		$481K Buy
+525
New +$487K 0.26% 46

Other funds holding COST

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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

M1 Capital Management's COST Position: Q1 2026 in Review

M1 Capital Management reduced its Costco (COST) stake by 4.7% in Q1 2026, selling an estimated $31.2K and leaving 653 shares worth $651K. The position accounts for 0.3% of the portfolio, ranked #57.

M1 Capital Management first reported a position in COST in Q4 2024 and has held it in 6 quarters since. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • M1 Capital Management held 653 shares of Costco worth $651K as of Q1 2026.
  • M1 Capital Management sold 32 Costco shares in Q1 2026, an estimated $31.2K.
  • Costco made up 0.3% of M1 Capital Management's portfolio in Q1 2026, its #57 holding.
  • M1 Capital Management first reported a position in Costco in Q4 2024 and has held it in 6 quarters since.
  • 4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on M1 Capital Management's 13F filing for Q1 2026, filed 8 May 2026.