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Cardiff Park Advisors’s Costco COST Stock Holding History

Cardiff Park Advisors’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 		$1.18M Sell
1,187
-230
-16% -$224K 0.09% 105
2025
Q4 		$1.22M Sell
1,417
-97
-6% -$87.9K 0.1% 103
2025
Q3 		$1.4M Hold
1,514
– – 0.11% 99
2025
Q2 		$1.5M Buy
1,514
+1
+0.1% +$994 0.13% 85
2025
Q1 		$1.43M Hold
1,513
– – 0.14% 80
2024
Q4 		$1.39M Sell
1,513
-75
-5% -$69.6K 0.13% 81
2024
Q3 		$1.41M Buy
1,588
+10
+0.6% +$8.68K 0.13% 77
2024
Q2 		$1.34M Sell
1,578
-8
-0.5% -$6.24K 0.13% 81
2024
Q1 		$1.16M Buy
1,586
+77
+5% +$55K 0.11% 90
2023
Q4 		$996K Buy
1,509
+45
+3% +$26.7K 0.11% 93
2023
Q3 		$827K Buy
1,464
+230
+19% +$127K 0.1% 99
2023
Q2 		$664K Buy
1,234
+244
+25% +$123K 0.08% 121
2023
Q1 		$492K Buy
990
+67
+7% +$32.9K 0.06% 142
2022
Q4 		$422K Hold
923
– – 0.06% 157
2022
Q3 		$436K Sell
923
-62
-6% -$32.2K 0.07% 149
2022
Q2 		$472K Buy
985
+11
+1% +$5.58K 0.07% 144
2022
Q1 		$561K Buy
974
+71
+8% +$37.3K 0.08% 131
2021
Q4 		$512K Buy
+903
New +$462K 0.07% 137

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

Cardiff Park Advisors's COST Position: Q1 2026 in Review

Cardiff Park Advisors reduced its Costco (COST) stake by 16% in Q1 2026, selling an estimated $224K and leaving 1,187 shares worth $1.18M. The position accounts for 0.09% of the portfolio, ranked #105.

Cardiff Park Advisors first reported a position in COST in Q4 2021 and has held it in 18 quarters since. The position peaked at $1.5M in Q2 2025. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Cardiff Park Advisors held 1,187 shares of Costco worth $1.18M as of Q1 2026.
  • Cardiff Park Advisors sold 230 Costco shares in Q1 2026, an estimated $224K.
  • Costco made up 0.09% of Cardiff Park Advisors's portfolio in Q1 2026, its #105 holding.
  • Cardiff Park Advisors first reported a position in Costco in Q4 2021 and has held it in 18 quarters since.
  • Cardiff Park Advisors's Costco position peaked at $1.5M in Q2 2025.
  • 4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Cardiff Park Advisors's 13F filing for Q1 2026, filed 15 May 2026.