IMRF
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Illinois Municipal Retirement Fund’s Costco COST Stock Holding History

Illinois Municipal Retirement Fund’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 		$55.1M Sell
55,270
-1,720
-3% -$1.68M 0.7% 15
2025
Q4 		$49.1M Buy
56,990
+8,542
+18% +$7.74M 0.62% 18
2025
Q3 		$44.8M Sell
48,448
-1,392
-3% -$1.33M 0.57% 19
2025
Q2 		$49.3M Buy
49,840
+4,586
+10% +$4.56M 0.67% 15
2025
Q1 		$42.8M Sell
45,254
-846
-2% -$825K 0.62% 18
2024
Q4 		$42.2M Buy
46,100
+2,268
+5% +$2.1M 0.6% 17
2024
Q3 		$38.9M Sell
43,832
-2,726
-6% -$2.37M 0.55% 18
2024
Q2 		$39.6M Sell
46,558
-3,376
-7% -$2.63M 0.6% 16
2024
Q1 		$36.6M Sell
49,934
-12,384
-20% -$8.84M 0.56% 16
2023
Q4 		$41.1M Buy
62,318
+3,296
+6% +$1.95M 0.69% 13
2023
Q3 		$33.3M Sell
59,022
-41
-0.1% -$22.6K 0.62% 17
2023
Q2 		$31.8M Sell
59,063
-11,852
-17% -$6M 0.64% 17
2023
Q1 		$35.2M Buy
70,915
+13,845
+24% +$6.79M 0.75% 11
2022
Q4 		$26.1M Sell
57,070
-13,026
-19% -$6.37M 0.59% 24
2022
Q3 		$33.1M Buy
70,096
+8,513
+14% +$4.43M 0.82% 9
2022
Q2 		$29.5M Buy
61,583
+14,710
+31% +$7.46M 0.69% 18
2022
Q1 		$27M Buy
46,873
+1,057
+2% +$555K 0.8% 7
2021
Q4 		$26M Sell
45,816
-2,090
-4% -$1.07M 0.73% 14
2021
Q3 		$21.5M Hold
47,906
– – 0.79% 10
2021
Q2 		$19M Sell
47,906
-11,712
-20% -$4.43M 0.77% 10
2021
Q1 		$21M Sell
59,618
-201
-0.3% -$70K 0.92% 8
2020
Q4 		$22.5M Buy
59,819
+46,297
+342% +$17.3M 1.05% 6
2020
Q3 		$4.8M Buy
13,522
+7,413
+121% +$2.49M 0.64% 17
2020
Q2 		$1.85M Sell
6,109
-4,655
-43% -$1.42M 0.77% 21
2020
Q1 		$3.07M Buy
10,764
+6,633
+161% +$2.01M 1.53% 2
2019
Q4 		$1.21M Buy
+4,131
New +$1.23M 0.46% 62

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 $137B AUM 18.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Illinois Municipal Retirement Fund's COST Position: Q1 2026 in Review

Illinois Municipal Retirement Fund reduced its Costco (COST) stake by 3% in Q1 2026, selling an estimated $1.68M and leaving 55,270 shares worth $55.1M. The position accounts for 0.7% of the portfolio, ranked #15.

Illinois Municipal Retirement Fund first reported a position in COST in Q4 2019 and has held it in 26 quarters since. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Illinois Municipal Retirement Fund held 55,270 shares of Costco worth $55.1M as of Q1 2026.
  • Illinois Municipal Retirement Fund sold 1,720 Costco shares in Q1 2026, an estimated $1.68M.
  • Costco made up 0.7% of Illinois Municipal Retirement Fund's portfolio in Q1 2026, its #15 holding.
  • Illinois Municipal Retirement Fund first reported a position in Costco in Q4 2019 and has held it in 26 quarters since.
  • 4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Illinois Municipal Retirement Fund's 13F filing for Q1 2026, filed 5 May 2026.