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Merrion Investment Management’s Costco COST Stock Holding History

Merrion 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 		$1.03M Hold
1,100
– – 0.49% 46
2026
Q1 		$1.1M Sell
1,100
-400
-27% -$390K 0.59% 40
2025
Q4 		$1.29M Hold
1,500
– – 0.7% 35
2025
Q3 		$1.39M Buy
1,500
+100
+7% +$95.9K 0.8% 30
2025
Q2 		$1.39M Buy
1,400
+75
+6% +$74.5K 0.9% 27
2025
Q1 		$1.25M Buy
1,325
+35
+3% +$34.1K 0.9% 27
2024
Q4 		$1.18M Hold
1,290
– – 0.82% 27
2024
Q3 		$1.14M Buy
1,290
+100
+8% +$86.8K 0.75% 28
2024
Q2 		$1.01M Hold
1,190
– – 0.7% 31
2024
Q1 		$872K Buy
1,190
+190
+19% +$136K 0.62% 38
2023
Q4 		$660K Buy
1,000
+300
+43% +$178K 0.52% 39
2023
Q3 		$395K Hold
700
– – 0.34% 57
2023
Q2 		$377K Hold
700
– – 0.32% 60
2023
Q1 		$348K Hold
700
– – 0.33% 60
2022
Q4 		$320K Buy
700
+100
+17% +$48.9K 0.3% 60
2022
Q3 		$283K Buy
600
+100
+20% +$52K 0.28% 67
2022
Q2 		$240K Hold
500
– – 0.23% 75
2022
Q1 		$287K Hold
500
– – 0.21% 81
2021
Q4 		$283K Hold
500
– – 0.21% 78
2021
Q3 		$224K Buy
+500
New +$220K 0.17% 85
2021
Q2 		– Sell
-800
Closed -$281K – 93
2021
Q1 		$281K Hold
800
– – 0.23% 73
2020
Q4 		$301K Buy
+800
New +$299K 0.25% 66

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
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
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

Merrion Investment Management's COST Position: Q2 2026 in Review

Merrion Investment Management held its Costco (COST) position steady in Q2 2026 at 1,100 shares worth $1.03M. The position accounts for 0.49% of the portfolio, ranked #46.

Merrion Investment Management first reported a position in COST in Q4 2020 and has held it in 22 quarters since. The position peaked at $1.39M in Q3 2025. 1,881 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Merrion Investment Management held 1,100 shares of Costco worth $1.03M as of Q2 2026.
  • Merrion Investment Management left its Costco share count unchanged in Q2 2026.
  • Costco made up 0.49% of Merrion Investment Management's portfolio in Q2 2026, its #46 holding.
  • Merrion Investment Management first reported a position in Costco in Q4 2020 and has held it in 22 quarters since.
  • Merrion Investment Management's Costco position peaked at $1.39M in Q3 2025.
  • 1,881 funds tracked by Wall St. Rank held Costco as of Q2 2026.

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