RSWM
COST icon

Robertson Stephens Wealth Management’s Costco COST Stock Holding History

Robertson Stephens Wealth Management’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
2025
Q3 		– Sell
-200
Closed -$198K – 539
2025
Q2 		$198K Sell
200
-2,700
-93% -$2.68M 0.01% 533
2025
Q1 		$2.74M Buy
+2,900
New +$2.83M 0.09% 161

Other funds holding COST

Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
EHC
Everett Harris & Co Los Angeles, California $8.14B AUM 14.79% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
Parnassus Investments
Parnassus Investments San Francisco, California $37.4B AUM 35.42% 1-Year Est. Return
EA
Emerald Advisors Bellevue, Washington $796M AUM 2.51% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $424B AUM 22.94% 1-Year Est. Return
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return

Robertson Stephens Wealth Management's COST Position: Q2 2026 in Review

Robertson Stephens Wealth Management reduced its Costco (COST) stake by 1.4% in Q2 2026, selling an estimated $266K and leaving 18,336 shares worth $17.2M. The position accounts for 0.42% of the portfolio, ranked #41.

Robertson Stephens Wealth Management first reported a position in COST in Q3 2020 and has held it in 12 quarters since. The position peaked at $21.1M in Q2 2025. 2,203 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Robertson Stephens Wealth Management held 18,336 shares of Costco worth $17.2M as of Q2 2026.
  • Robertson Stephens Wealth Management sold 267 Costco shares in Q2 2026, an estimated $266K.
  • Costco made up 0.42% of Robertson Stephens Wealth Management's portfolio in Q2 2026, its #41 holding.
  • Robertson Stephens Wealth Management first reported a position in Costco in Q3 2020 and has held it in 12 quarters since.
  • Robertson Stephens Wealth Management's Costco position peaked at $21.1M in Q2 2025.
  • 2,203 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Robertson Stephens Wealth Management's 13F filing for Q2 2026, filed 29 Jul 2026.