Rosenblum Silverman Sutton’s Costco COST Stock Holding History
Bought
Maintained
Sold
Other funds holding COST
Rosenblum Silverman Sutton's COST Position: Q3 2026 in Review
Rosenblum Silverman Sutton reduced its Costco (COST) stake by 0.01% in Q3 2026, selling an estimated $1.87K and leaving 17,353 shares worth $15.8M. The position accounts for 3.62% of the portfolio, ranked #8.
Rosenblum Silverman Sutton first reported a position in COST in Q1 2019 and has held it in 31 quarters since. The position peaked at $18.5M in Q2 2025. 3,420 funds tracked by Wall St. Rank hold COST as of Q3 2026.
- Rosenblum Silverman Sutton held 17,353 shares of Costco worth $15.8M as of Q3 2026.
- Rosenblum Silverman Sutton sold 2 Costco shares in Q3 2026, an estimated $1.87K.
- Costco made up 3.62% of Rosenblum Silverman Sutton's portfolio in Q3 2026, its #8 holding.
- Rosenblum Silverman Sutton first reported a position in Costco in Q1 2019 and has held it in 31 quarters since.
- Rosenblum Silverman Sutton's Costco position peaked at $18.5M in Q2 2025.
- 3,420 funds tracked by Wall St. Rank held Costco as of Q3 2026.
Based on Rosenblum Silverman Sutton's 13F filing for Q3 2026, filed 10 Nov 2026.