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Prairie Advisory’s Costco COST Stock Holding History

Prairie Advisory’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 		$3.84M Buy
4,216
+2,098
+99% +$1.96M 0.44% 35
2026
Q2 		$1.98M Buy
+2,118
New +$2.11M 0.46% 38

Other funds holding COST

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
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
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 30.39% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return

Prairie Advisory's COST Position: Q3 2026 in Review

Prairie Advisory increased its Costco (COST) stake by 99% in Q3 2026, buying an estimated $1.96M and bringing the position to 4,216 shares worth $3.84M. The position accounts for 0.44% of the portfolio, ranked #35.

Prairie Advisory first reported a position in COST in Q2 2026 and has held it in 2 quarters since. 1,271 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • Prairie Advisory held 4,216 shares of Costco worth $3.84M as of Q3 2026.
  • Prairie Advisory bought 2,098 Costco shares in Q3 2026, an estimated $1.96M.
  • Costco made up 0.44% of Prairie Advisory's portfolio in Q3 2026, its #35 holding.
  • Prairie Advisory first reported a position in Costco in Q2 2026 and has held it in 2 quarters since.
  • 1,271 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Prairie Advisory's 13F filing for Q3 2026, filed 19 Oct 2026.