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McBroom & Associates’s Costco COST Stock Holding History

McBroom & Associates’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 		$8.31M Sell
9,123
-1,330
-13% -$1.24M 5.02% 8
2026
Q2 		$9.8M Sell
10,453
-136
-1% -$136K 4.92% 6
2026
Q1 		$10.6M Sell
10,589
-912
-8% -$889K 5.88% 3
2025
Q4 		$9.9M Sell
11,501
-26
-0.2% -$23.6K 4.82% 9
2025
Q3 		$10.7M Sell
11,527
-140
-1% -$134K 5.07% 6
2025
Q2 		$11M Hold
11,667
– – 6.31% 3
2025
Q1 		$11M Buy
11,667
+12
+0.1% +$11.7K 6.31% 3
2024
Q4 		$10.7M Buy
11,655
+71
+0.6% +$65.9K 6.04% 2
2024
Q3 		$10.3M Buy
11,584
+140
+1% +$122K 6.28% 2
2024
Q2 		$9.7M Sell
11,444
-59
-0.5% -$46K 6.09% 2
2024
Q1 		$8.43M Sell
11,503
-429
-4% -$306K 5.55% 5
2023
Q4 		$7.88M Sell
11,932
-346
-3% -$205K 5.74% 2
2023
Q3 		$6.94M Buy
12,278
+99
+0.8% +$54.6K 5.52% 3
2023
Q2 		$6.56M Buy
12,179
+568
+5% +$287K 5.17% 5
2023
Q1 		$5.77M Buy
11,611
+223
+2% +$109K 5.16% 5
2022
Q4 		$5.2M Sell
11,388
-30
-0.3% -$14.7K 5.64% 3
2022
Q3 		$5.39M Sell
11,418
-360
-3% -$187K 6.08% 2
2022
Q2 		$5.64M Sell
11,778
-931
-7% -$472K 6.14% 1
2022
Q1 		$7.32M Sell
12,709
-454
-3% -$238K 6.48% 2
2021
Q4 		$7.47M Buy
+13,163
New +$6.74M 5.62% 2

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

McBroom & Associates's COST Position: Q3 2026 in Review

McBroom & Associates reduced its Costco (COST) stake by 13% in Q3 2026, selling an estimated $1.24M and leaving 9,123 shares worth $8.31M. The position accounts for 5.02% of the portfolio, ranked #8.

McBroom & Associates first reported a position in COST in Q4 2021 and has held it in 20 quarters since. The position peaked at $11M in Q2 2025. 1,965 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • McBroom & Associates held 9,123 shares of Costco worth $8.31M as of Q3 2026.
  • McBroom & Associates sold 1,330 Costco shares in Q3 2026, an estimated $1.24M.
  • Costco made up 5.02% of McBroom & Associates's portfolio in Q3 2026, its #8 holding.
  • McBroom & Associates first reported a position in Costco in Q4 2021 and has held it in 20 quarters since.
  • McBroom & Associates's Costco position peaked at $11M in Q2 2025.
  • 1,965 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on McBroom & Associates's 13F filing for Q3 2026, filed 29 Oct 2026.