Bluesphere Advisors
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Bluesphere Advisors’s Costco COST Stock Holding History

Bluesphere 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
Q3 		$376K Buy
+413
New +$386K 0.12% 79
2025
Q4 		– Sell
-420
Closed -$388K – 100
2025
Q3 		$388K Hold
420
– – 0.18% 71
2025
Q2 		$415K Buy
420
+2
+0.5% +$1.99K 0.21% 59
2025
Q1 		$395K Buy
+418
New +$408K 0.23% 54

Other funds holding COST

Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
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
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $106B AUM 32.76% 1-Year Est. Return

Bluesphere Advisors's COST Position: Q3 2026 in Review

Bluesphere Advisors opened a new position in Costco (COST) in Q3 2026: 413 shares worth $376K. The stake represents 0.12% of the portfolio and ranks #79 among its holdings. This is a return to the name: Bluesphere Advisors previously reported a position in COST as recently as Q3 2025.

Bluesphere Advisors first reported a position in COST in Q1 2025 and has held it in 4 quarters since. The position peaked at $415K in Q2 2025. 2,259 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • Bluesphere Advisors held 413 shares of Costco worth $376K as of Q3 2026.
  • Costco was a new Bluesphere Advisors position in Q3 2026.
  • Costco made up 0.12% of Bluesphere Advisors's portfolio in Q3 2026, its #79 holding.
  • Bluesphere Advisors first reported a position in Costco in Q1 2025 and has held it in 4 quarters since.
  • Bluesphere Advisors's Costco position peaked at $415K in Q2 2025.
  • 2,259 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Bluesphere Advisors's 13F filing for Q3 2026, filed 19 Oct 2026.