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Dearborn Partners’s Costco COST Stock Holding History

Dearborn Partners’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 		$31.9M Sell
32,064
-2,799
-8% -$2.73M 1.73% 17
2025
Q4 		$30.1M Sell
34,863
-1,035
-3% -$938K 1.5% 24
2025
Q3 		$33.2M Sell
35,898
-804
-2% -$771K 1.56% 23
2025
Q2 		$36.3M Buy
36,702
+2,416
+7% +$2.4M 1.72% 18
2025
Q1 		$32.4M Sell
34,286
-7,093
-17% -$6.92M 1.56% 24
2024
Q4 		$37.9M Sell
41,379
-921
-2% -$855K 1.59% 21
2024
Q3 		$37.5M Sell
42,300
-14,748
-26% -$12.8M 1.52% 28
2024
Q2 		$48.5M Sell
57,048
-737
-1% -$575K 2.1% 8
2024
Q1 		$42.3M Sell
57,785
-17,543
-23% -$12.5M 1.82% 14
2023
Q4 		$49.7M Sell
75,328
-1,485
-2% -$880K 1.81% 13
2023
Q3 		$43.4M Buy
76,813
+111
+0.1% +$61.3K 1.7% 18
2023
Q2 		$41.3M Sell
76,702
-37
-0% -$18.7K 1.58% 24
2023
Q1 		$38.1M Sell
76,739
-1,087
-1% -$533K 1.5% 24
2022
Q4 		$35.5M Sell
77,826
-1,906
-2% -$931K 1.43% 29
2022
Q3 		$37.7M Buy
79,732
+756
+1% +$393K 1.66% 22
2022
Q2 		$37.9M Sell
78,976
-21,723
-22% -$11M 1.6% 25
2022
Q1 		$58M Buy
100,699
+1,031
+1% +$541K 2.2% 6
2021
Q4 		$56.6M Sell
99,668
-753
-0.7% -$386K 2.05% 11
2021
Q3 		$45.1M Buy
100,421
+99
+0.1% +$43.5K 1.83% 15
2021
Q2 		$39.7M Buy
100,322
+895
+0.9% +$338K 1.6% 28
2021
Q1 		$35M Buy
99,427
+2,705
+3% +$942K 1.49% 33
2020
Q4 		$36.4M Buy
96,722
+1,748
+2% +$653K 1.66% 20
2020
Q3 		$33.7M Buy
94,974
+82
+0.1% +$27.6K 1.68% 23
2020
Q2 		$28.8M Sell
94,892
-2,591
-3% -$788K 1.55% 28
2020
Q1 		$27.8M Buy
97,483
+2,740
+3% +$831K 1.72% 21
2019
Q4 		$27.8M Buy
94,743
+9,628
+11% +$2.86M 1.42% 37
2019
Q3 		$24.5M Buy
85,115
+70,924
+500% +$20M 1.42% 36
2019
Q2 		$3.75M Buy
14,191
+10,057
+243% +$2.51M 0.23% 70
2019
Q1 		$1M Buy
4,134
+123
+3% +$26.9K 0.07% 87
2018
Q4 		$817K Buy
4,011
+1,574
+65% +$352K 0.06% 96
2018
Q3 		$572K Buy
2,437
+350
+17% +$78.8K 0.04% 112
2018
Q2 		$436K Sell
2,087
-361
-15% -$71.3K 0.03% 120
2018
Q1 		$461K Buy
2,448
+18
+0.7% +$3.4K 0.04% 114
2017
Q4 		$452K Sell
2,430
-85
-3% -$14.7K 0.03% 118
2017
Q3 		$413K Buy
2,515
+85
+3% +$13.4K 0.03% 122
2017
Q2 		$389K Hold
2,430
– – 0.03% 122
2017
Q1 		$407K Sell
2,430
-12
-0.5% -$2.01K 0.03% 122
2016
Q4 		$391K Sell
2,442
-425
-15% -$64.9K 0.03% 124
2016
Q3 		$437K Hold
2,867
– – 0.04% 126
2016
Q2 		$450K Buy
2,867
+33
+1% +$5K 0.04% 126
2016
Q1 		$447K Sell
2,834
-50
-2% -$7.58K 0.04% 124
2015
Q4 		$466K Sell
2,884
-437
-13% -$69.1K 0.04% 157
2015
Q3 		$480K Sell
3,321
-1,483
-31% -$212K 0.05% 156
2015
Q2 		$649K Sell
4,804
-7,204
-60% -$1.04M 0.06% 147
2015
Q1 		$1.82M Buy
12,008
+237
+2% +$34.8K 0.16% 119
2014
Q4 		$1.67M Sell
11,771
-948
-7% -$129K 0.15% 133
2014
Q3 		$1.59M Buy
12,719
+1,029
+9% +$124K 0.15% 138
2014
Q2 		$1.35M Buy
11,690
+2
+0% +$229 0.13% 148
2014
Q1 		$1.3M Sell
11,688
-182
-2% -$20.8K 0.14% 146
2013
Q4 		$1.41M Sell
11,870
-1,269
-10% -$152K 0.16% 140
2013
Q3 		$1.51M Buy
13,139
+326
+3% +$37.6K 0.2% 123
2013
Q2 		$1.42M Buy
+12,813
New +$1.4M 0.2% 128

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

Dearborn Partners's COST Position: Q1 2026 in Review

Dearborn Partners reduced its Costco (COST) stake by 8% in Q1 2026, selling an estimated $2.73M and leaving 32,064 shares worth $31.9M. The position accounts for 1.73% of the portfolio, ranked #17.

Dearborn Partners first reported a position in COST in Q2 2013 and has held it in 52 quarters since. The position peaked at $58M in Q1 2022. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Dearborn Partners held 32,064 shares of Costco worth $31.9M as of Q1 2026.
  • Dearborn Partners sold 2,799 Costco shares in Q1 2026, an estimated $2.73M.
  • Costco made up 1.73% of Dearborn Partners's portfolio in Q1 2026, its #17 holding.
  • Dearborn Partners first reported a position in Costco in Q2 2013 and has held it in 52 quarters since.
  • Dearborn Partners's Costco position peaked at $58M in Q1 2022.
  • 4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Dearborn Partners's 13F filing for Q1 2026, filed 12 May 2026.