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Clare Market Investments’s Costco COST Stock Holding History

Clare Market Investments’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 		$1.66M Buy
1,772
+278
+19% +$277K 0.3% 50
2026
Q1 		$1.49M Buy
+1,494
New +$1.46M 0.31% 50
2025
Q3 		$876K Sell
946
-3,541
-79% -$3.39M 0.18% 75
2025
Q2 		$4.44M Buy
4,487
+506
+13% +$503K 0.98% 21
2025
Q1 		$3.77M Buy
3,981
+594
+18% +$579K 0.99% 19
2024
Q4 		$3.1M Buy
3,387
+583
+21% +$541K 0.74% 23
2024
Q3 		$2.49M Sell
2,804
-196
-7% -$170K 0.65% 22
2024
Q2 		$2.55M Buy
3,000
+587
+24% +$458K 0.71% 20
2024
Q1 		$1.77M Buy
2,413
+253
+12% +$181K 0.55% 28
2023
Q4 		$1.43M Buy
2,160
+150
+7% +$88.9K 0.49% 28
2023
Q3 		$1.14M Buy
2,010
+29
+1% +$16K 0.45% 31
2023
Q2 		$1.07M Sell
1,981
-240
-11% -$121K 0.4% 38
2023
Q1 		$1.1M Sell
2,221
-578
-21% -$283K 0.46% 32
2022
Q4 		$1.28M Sell
2,799
-19
-0.7% -$9.29K 0.6% 24
2022
Q3 		$1.33M Buy
2,818
+518
+23% +$269K 0.57% 22
2022
Q2 		$1.1M Buy
2,300
+130
+6% +$65.9K 0.48% 27
2022
Q1 		$1.25M Sell
2,170
-605
-22% -$318K 0.4% 32
2021
Q4 		$1.58M Buy
2,775
+1,221
+79% +$625K 0.44% 30
2021
Q3 		$698K Buy
1,554
+5
+0.3% +$2.2K 0.21% 61
2021
Q2 		$613K Buy
1,549
+60
+4% +$22.7K 0.2% 66
2021
Q1 		$524K Buy
1,489
+127
+9% +$44.2K 0.2% 59
2020
Q4 		$513K Buy
1,362
+430
+46% +$161K 0.21% 54
2020
Q3 		$331K Buy
+932
New +$313K 0.16% 68
2020
Q2 		– Sell
-6,321
Closed -$1.8M – 88
2020
Q1 		$1.8M Buy
6,321
+1,920
+44% +$583K 1.53% 13
2019
Q4 		$1.29M Buy
4,401
+801
+22% +$238K 0.94% 20
2019
Q3 		$1.04M Buy
3,600
+400
+13% +$113K 0.98% 22
2019
Q2 		$846K Buy
3,200
+200
+7% +$49.8K 0.67% 36
2019
Q1 		$726K Hold
3,000
– – 0.63% 35
2018
Q4 		$611K Buy
+3,000
New +$670K 0.79% 30

Other funds holding COST

Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
Parnassus Investments
Parnassus Investments San Francisco, California $37.4B AUM 35.42% 1-Year Est. Return
EA
Emerald Advisors Bellevue, Washington $796M AUM 2.51% 1-Year Est. Return
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return
PTC
Provident Trust Company Waukesha, Wisconsin $4.77B AUM 29.31% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $79.5B AUM 27.1% 1-Year Est. Return

Clare Market Investments's COST Position: Q2 2026 in Review

Clare Market Investments increased its Costco (COST) stake by 19% in Q2 2026, buying an estimated $277K and bringing the position to 1,772 shares worth $1.66M. The position accounts for 0.3% of the portfolio, ranked #50.

Clare Market Investments first reported a position in COST in Q4 2018 and has held it in 29 quarters since. The position peaked at $4.44M in Q2 2025. 2,087 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Clare Market Investments held 1,772 shares of Costco worth $1.66M as of Q2 2026.
  • Clare Market Investments bought 278 Costco shares in Q2 2026, an estimated $277K.
  • Costco made up 0.3% of Clare Market Investments's portfolio in Q2 2026, its #50 holding.
  • Clare Market Investments first reported a position in Costco in Q4 2018 and has held it in 29 quarters since.
  • Clare Market Investments's Costco position peaked at $4.44M in Q2 2025.
  • 2,087 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Clare Market Investments's 13F filing for Q2 2026, filed 27 Jul 2026.