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Mesirow Financial Investment Management’s Costco COST Stock Holding History

Mesirow Financial Investment 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
Q2 		$41.5M Buy
44,331
+1,036
+2% +$1.03M 0.65% 37
2026
Q1 		$43.1M Buy
43,295
+24
+0.1% +$23.4K 0.7% 31
2025
Q4 		$37.3M Sell
43,271
-1,745
-4% -$1.58M 0.77% 28
2025
Q3 		$41.7M Sell
45,016
-409
-0.9% -$392K 0.75% 31
2025
Q2 		$45M Sell
45,425
-2,866
-6% -$2.85M 0.88% 21
2025
Q1 		$45.7M Buy
48,291
+2,307
+5% +$2.25M 0.89% 22
2024
Q4 		$42.1M Buy
45,984
+169
+0.4% +$157K 0.84% 23
2024
Q3 		$40.6M Sell
45,815
-2,852
-6% -$2.48M 0.79% 29
2024
Q2 		$41.4M Buy
48,667
+122
+0.3% +$95.2K 0.93% 18
2024
Q1 		$35.6M Buy
48,545
+4,132
+9% +$2.95M 0.81% 25
2023
Q4 		$28.9M Buy
+44,413
New +$26.3M 1.05% 17

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 $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
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
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Mesirow Financial Investment Management's COST Position: Q2 2026 in Review

Mesirow Financial Investment Management increased its Costco (COST) stake by 2.4% in Q2 2026, buying an estimated $1.03M and bringing the position to 44,331 shares worth $41.5M. The position accounts for 0.65% of the portfolio, ranked #37.

Mesirow Financial Investment Management first reported a position in COST in Q4 2023 and has held it in 11 quarters since. The position peaked at $45.7M in Q1 2025. 4,228 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Mesirow Financial Investment Management held 44,331 shares of Costco worth $41.5M as of Q2 2026.
  • Mesirow Financial Investment Management bought 1,036 Costco shares in Q2 2026, an estimated $1.03M.
  • Costco made up 0.65% of Mesirow Financial Investment Management's portfolio in Q2 2026, its #37 holding.
  • Mesirow Financial Investment Management first reported a position in Costco in Q4 2023 and has held it in 11 quarters since.
  • Mesirow Financial Investment Management's Costco position peaked at $45.7M in Q1 2025.
  • 4,228 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Mesirow Financial Investment Management's 13F filing for Q2 2026, filed 22 Jul 2026.