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James T. Borello RIA’s Costco COST Stock Holding History

James T. Borello RIA’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 		$146K Sell
160
-30
-16% -$28K 0.03% 134
2026
Q2 		$178K Buy
190
+3
+2% +$2.99K 0.04% 123
2026
Q1 		$186K Buy
187
+71
+61% +$69.2K 0.05% 111
2025
Q4 		$100K Buy
116
+25
+27% +$22.7K 0.03% 136
2025
Q3 		$84.2K Buy
91
+73
+406% +$70K 0.02% 134
2025
Q2 		$17.8K Buy
+18
New +$17.9K 0.01% 190

Other funds holding COST

Emerald Advisors
Emerald Advisors Bellevue, Washington $781M AUM 4.78% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return
TD Waterhouse Canada
TD Waterhouse Canada Toronto, Ontario, Canada $38.4B AUM 30.28% 1-Year Est. Return
Cardano Risk Management
Cardano Risk Management Rotterdam, Netherlands $18.2B AUM 38.97% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $45.5B AUM 15.2% 1-Year Est. Return
Sarasin & Partners
Sarasin & Partners London, United Kingdom $8.93B AUM 11.81% 1-Year Est. Return
Congress Asset Management
Congress Asset Management Boston, Massachusetts $15.4B AUM 30.35% 1-Year Est. Return
Fjarde Ap-fonden
Fjarde Ap-fonden Stockholm, Sweden $19.4B AUM 31.69% 1-Year Est. Return
Bank Pictet & Cie (Europe)
Bank Pictet & Cie (Europe) Frankfurt Am Main, Germany $5.31B AUM 25.55% 1-Year Est. Return
Steginsky Capital
Steginsky Capital Port Washington, New York $610M AUM 12.34% 1-Year Est. Return

James T. Borello RIA's COST Position: Q3 2026 in Review

James T. Borello RIA reduced its Costco (COST) stake by 16% in Q3 2026, selling an estimated $28K and leaving 160 shares worth $146K. The position accounts for 0.03% of the portfolio, ranked #134.

James T. Borello RIA first reported a position in COST in Q2 2025 and has held it in 6 quarters since. The position peaked at $186K in Q1 2026. 932 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • James T. Borello RIA held 160 shares of Costco worth $146K as of Q3 2026.
  • James T. Borello RIA sold 30 Costco shares in Q3 2026, an estimated $28K.
  • Costco made up 0.03% of James T. Borello RIA's portfolio in Q3 2026, its #134 holding.
  • James T. Borello RIA first reported a position in Costco in Q2 2025 and has held it in 6 quarters since.
  • James T. Borello RIA's Costco position peaked at $186K in Q1 2026.
  • 932 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on James T. Borello RIA's 13F filing for Q3 2026, filed 16 Oct 2026.