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Warner Group’s Costco COST Stock Holding History

Warner Group’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
Q2 		$1.02M Buy
1,088
+544
+100% +$542K 0.25% 46
2026
Q1 		$542K Sell
544
-41
-7% -$40K 0.35% 40
2025
Q4 		$505K Buy
585
+20
+4% +$18.1K 0.31% 45
2025
Q3 		$523K Buy
+565
New +$542K 0.36% 35

Other funds holding COST

Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 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
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return
PTC
Provident Trust Company Waukesha, Wisconsin $4.77B AUM 29.31% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $79.5B AUM 27.1% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

Warner Group's COST Position: Q2 2026 in Review

Warner Group increased its Costco (COST) stake by 100% in Q2 2026, buying an estimated $542K and bringing the position to 1,088 shares worth $1.02M. The position accounts for 0.25% of the portfolio, ranked #46.

Warner Group first reported a position in COST in Q3 2025 and has held it in 4 quarters since. 1,962 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Warner Group held 1,088 shares of Costco worth $1.02M as of Q2 2026.
  • Warner Group bought 544 Costco shares in Q2 2026, an estimated $542K.
  • Costco made up 0.25% of Warner Group's portfolio in Q2 2026, its #46 holding.
  • Warner Group first reported a position in Costco in Q3 2025 and has held it in 4 quarters since.
  • 1,962 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Warner Group's 13F filing for Q2 2026, filed 27 Jul 2026.