Sweeney & Michel
COST icon

Sweeney & Michel’s Costco COST Stock Holding History

Sweeney & Michel’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
Q3 		$5.54M Buy
6,081
+171
+3% +$160K 1.47% 15
2026
Q2 		$5.6M Sell
5,910
-107
-2% -$107K 1.47% 17
2026
Q1 		$5.9M Sell
6,017
-99
-2% -$96.5K 1.74% 13
2025
Q4 		$5.98M Buy
6,116
+3
+0% +$2.72K 1.77% 14
2025
Q3 		$5.69M Buy
6,113
+19
+0.3% +$18.2K 1.91% 13
2025
Q2 		$5.91M Buy
6,094
+3,251
+114% +$3.23M 2.1% 13
2025
Q1 		$2.58M Buy
+2,843
New +$2.77M 1.13% 20
2024
Q3 		$2.8M Buy
3,152
+329
+12% +$286K 1.11% 20
2024
Q2 		$2.5M Sell
2,823
-19
-0.7% -$14.8K 1.07% 21
2024
Q1 		$2.21M Buy
+2,842
New +$2.03M 0.98% 22
2023
Q3 		$1.18M Buy
2,086
+1
+0% +$552 0.62% 29
2023
Q2 		$1.16M Buy
2,085
+3
+0.1% +$1.52K 0.6% 30
2023
Q1 		$1.07M Buy
+2,082
New +$1.02M 0.57% 30

Other funds holding COST

Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $174B AUM 33.96% 1-Year Est. Return
Everett Harris & Co
Everett Harris & Co Los Angeles, California $8.46B AUM 13.48% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $118B AUM 40.52% 1-Year Est. Return
Emerald Advisors
Emerald Advisors Bellevue, Washington $781M AUM 4.78% 1-Year Est. Return
Parnassus Investments
Parnassus Investments San Francisco, California $33.8B AUM 31.08% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return
ProShare Advisors
ProShare Advisors Bethesda, Maryland $69.5B AUM 31.38% 1-Year Est. Return
Bank Julius Baer & Co
Bank Julius Baer & Co Zurich, Switzerland $39.3B AUM 31.81% 1-Year Est. Return
Provident Trust Company
Provident Trust Company Waukesha, Wisconsin $3.22B AUM 13.63% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 1-Year Est. Return

Sweeney & Michel's COST Position: Q3 2026 in Review

Sweeney & Michel increased its Costco (COST) stake by 2.9% in Q3 2026, buying an estimated $160K and bringing the position to 6,081 shares worth $5.54M. The position accounts for 1.47% of the portfolio, ranked #15.

Sweeney & Michel first reported a position in COST in Q1 2023 and has held it in 13 quarters since. The position peaked at $5.98M in Q4 2025. 1,846 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • Sweeney & Michel held 6,081 shares of Costco worth $5.54M as of Q3 2026.
  • Sweeney & Michel bought 171 Costco shares in Q3 2026, an estimated $160K.
  • Costco made up 1.47% of Sweeney & Michel's portfolio in Q3 2026, its #15 holding.
  • Sweeney & Michel first reported a position in Costco in Q1 2023 and has held it in 13 quarters since.
  • Sweeney & Michel's Costco position peaked at $5.98M in Q4 2025.
  • 1,846 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Sweeney & Michel's 13F filing for Q3 2026, filed 16 Oct 2026.