MCM
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Mengis Capital Management’s Costco COST Stock Holding History

Mengis 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 		$10.5M Sell
10,576
-55
-0.5% -$53.6K 1.81% 12
2025
Q4 		$9.17M Sell
10,631
-448
-4% -$406K 1.62% 14
2025
Q3 		$10.3M Sell
11,079
-8
-0.1% -$7.67K 2.02% 10
2025
Q2 		$11M Sell
11,087
-1,690
-13% -$1.68M 2.33% 9
2025
Q1 		$12.1M Sell
12,777
-17
-0.1% -$16.6K 2.52% 7
2024
Q4 		$11.7M Sell
12,794
-1,987
-13% -$1.84M 2.39% 7
2024
Q3 		$13.1M Sell
14,781
-113
-0.8% -$98.1K 2.58% 5
2024
Q2 		$12.7M Sell
14,894
-12,266
-45% -$9.57M 2.57% 7
2024
Q1 		$19.9M Buy
27,160
+1,477
+6% +$1.05M 3.07% 4
2023
Q4 		$17M Sell
25,683
-196
-0.8% -$116K 3.18% 4
2023
Q3 		$14.6M Sell
25,879
-53
-0.2% -$29.3K 3.04% 4
2023
Q2 		$14M Sell
25,932
-139
-0.5% -$70.3K 2.79% 5
2023
Q1 		$13M Sell
26,071
-2,300
-8% -$1.13M 2.73% 6
2022
Q4 		$13M Buy
28,371
+62
+0.2% +$30.3K 2.82% 7
2022
Q3 		$13.4M Sell
28,309
-601
-2% -$313K 3.17% 4
2022
Q2 		$13.9M Sell
28,910
-144
-0.5% -$73K 3.04% 5
2022
Q1 		$16.7M Sell
29,054
-915
-3% -$480K 3.21% 4
2021
Q4 		$17M Sell
29,969
-248
-0.8% -$127K 3.19% 4
2021
Q3 		$13.6M Sell
30,217
-70
-0.2% -$30.8K 2.85% 4
2021
Q2 		$12M Buy
30,287
+64
+0.2% +$24.2K 2.48% 4
2021
Q1 		$10.7M Sell
30,223
-3
-0% -$1.04K 2.36% 5
2020
Q4 		$11.4M Sell
30,226
-187
-0.6% -$69.9K 2.77% 4
2020
Q3 		$10.8M Sell
30,413
-55
-0.2% -$18.5K 2.96% 4
2020
Q2 		$9.24M Sell
30,468
-50
-0.2% -$15.2K 2.74% 4
2020
Q1 		$8.7M Buy
30,518
+129
+0.4% +$39.1K 2.97% 4
2019
Q4 		$8.93M Sell
30,389
-145
-0.5% -$43.1K 2.46% 4
2019
Q3 		$8.8M Sell
30,534
-285
-0.9% -$80.2K 2.62% 4
2019
Q2 		$8.14M Buy
30,819
+16,785
+120% +$4.18M 2.49% 4
2019
Q1 		$3.4M Sell
14,034
-135
-1% -$29.5K 1.9% 15
2018
Q4 		$2.89M Sell
14,169
-350
-2% -$78.2K 1.83% 17
2018
Q3 		$3.41M Sell
14,519
-475
-3% -$107K 1.87% 14
2018
Q2 		$3.13M Sell
14,994
-150
-1% -$29.6K 1.85% 14
2018
Q1 		$2.85M Sell
15,144
-135
-0.9% -$25.5K 1.71% 16
2017
Q4 		$2.84M Sell
15,279
-135
-0.9% -$23.3K 1.72% 19
2017
Q3 		$2.53M Sell
15,414
-100
-0.6% -$15.7K 1.7% 20
2017
Q2 		$2.48M Sell
15,514
-1,220
-7% -$210K 1.76% 19
2017
Q1 		$2.81M Sell
16,734
-450
-3% -$75.4K 2.05% 14
2016
Q4 		$2.75M Sell
17,184
-150
-0.9% -$22.9K 2.19% 14
2016
Q3 		$2.64M Sell
17,334
-536
-3% -$86.6K 2.2% 13
2016
Q2 		$2.81M Sell
17,870
-125
-0.7% -$18.9K 2.47% 10
2016
Q1 		$2.83M Sell
17,995
-837
-4% -$127K 2.62% 8
2015
Q4 		$3.04M Sell
18,832
-32
-0.2% -$5.06K 2.65% 8
2015
Q3 		$2.73M Buy
18,864
+2
+0% +$285 2.54% 7
2015
Q2 		$2.55M Sell
18,862
-231
-1% -$33.2K 2.13% 12
2015
Q1 		$2.89M Buy
19,093
+2,176
+13% +$319K 2.52% 8
2014
Q4 		$2.4M Buy
+16,917
New +$2.3M 2.31% 10

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

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

Mengis Capital Management reduced its Costco (COST) stake by 0.52% in Q1 2026, selling an estimated $53.6K and leaving 10,576 shares worth $10.5M. The position accounts for 1.81% of the portfolio, ranked #12.

Mengis Capital Management first reported a position in COST in Q4 2014 and has held it in 46 quarters since. The position peaked at $19.9M in Q1 2024. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Mengis Capital Management held 10,576 shares of Costco worth $10.5M as of Q1 2026.
  • Mengis Capital Management sold 55 Costco shares in Q1 2026, an estimated $53.6K.
  • Costco made up 1.81% of Mengis Capital Management's portfolio in Q1 2026, its #12 holding.
  • Mengis Capital Management first reported a position in Costco in Q4 2014 and has held it in 46 quarters since.
  • Mengis Capital Management's Costco position peaked at $19.9M in Q1 2024.
  • 4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Mengis Capital Management's 13F filing for Q1 2026, filed 12 May 2026.