AO
COST icon

Advisor OS’s Costco COST Stock Holding History

Advisor OS’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 		$3.31M Buy
3,326
+130
+4% +$127K 0.24% 70
2025
Q4 		$2.76M Sell
3,196
-17
-0.5% -$15.4K 0.22% 73
2025
Q3 		$2.97M Buy
3,213
+26
+0.8% +$24.9K 0.26% 57
2025
Q2 		$3.16M Buy
3,187
+157
+5% +$156K 0.31% 48
2025
Q1 		$2.87M Buy
3,030
+224
+8% +$218K 0.33% 52
2024
Q4 		$2.57M Buy
2,806
+19
+0.7% +$17.6K 0.3% 61
2024
Q3 		$2.47M Buy
2,787
+155
+6% +$135K 0.25% 77
2024
Q2 		$2.24M Buy
2,632
+86
+3% +$67.1K 0.25% 77
2024
Q1 		$1.87M Buy
2,546
+510
+25% +$364K 0.21% 87
2023
Q4 		$1.34M Buy
2,036
+649
+47% +$385K 0.18% 100
2023
Q3 		$784K Buy
1,387
+238
+21% +$131K 0.12% 157
2023
Q2 		$619K Buy
1,149
+679
+144% +$344K 0.1% 184
2023
Q1 		$234K Sell
470
-138
-23% -$67.7K 0.06% 219
2022
Q4 		$278K Buy
+608
New +$297K 0.07% 182
2020
Q3 		– Sell
-930
Closed -$282K – 112
2020
Q2 		$282K Buy
+930
New +$283K 0.17% 107

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

Advisor OS's COST Position: Q1 2026 in Review

Advisor OS increased its Costco (COST) stake by 4.1% in Q1 2026, buying an estimated $127K and bringing the position to 3,326 shares worth $3.31M. The position accounts for 0.24% of the portfolio, ranked #70.

Advisor OS first reported a position in COST in Q2 2020 and has held it in 15 quarters since. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Advisor OS held 3,326 shares of Costco worth $3.31M as of Q1 2026.
  • Advisor OS bought 130 Costco shares in Q1 2026, an estimated $127K.
  • Costco made up 0.24% of Advisor OS's portfolio in Q1 2026, its #70 holding.
  • Advisor OS first reported a position in Costco in Q2 2020 and has held it in 15 quarters since.
  • 4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Advisor OS's 13F filing for Q1 2026, filed 8 May 2026.