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Griffith & Werner’s Costco COST Stock Holding History

Griffith & Werner’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 		$460K Buy
492
+122
+33% +$122K 0.22% 48
2026
Q1 		$369K Sell
370
-28
-7% -$27.3K 0.18% 51
2025
Q4 		$343K Hold
398
– – 0.17% 53
2025
Q3 		$364K Buy
+398
New +$381K 0.19% 50
2025
Q1 		$1.95M Sell
2,064
-91
-4% -$88.7K 1.21% 28
2024
Q4 		$1.97M Buy
+2,155
New +$2M 1.3% 27

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
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 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

Griffith & Werner's COST Position: Q2 2026 in Review

Griffith & Werner increased its Costco (COST) stake by 33% in Q2 2026, buying an estimated $122K and bringing the position to 492 shares worth $460K. The position accounts for 0.22% of the portfolio, ranked #48.

Griffith & Werner first reported a position in COST in Q4 2024 and has held it in 6 quarters since. The position peaked at $1.97M in Q4 2024. 2,087 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Griffith & Werner held 492 shares of Costco worth $460K as of Q2 2026.
  • Griffith & Werner bought 122 Costco shares in Q2 2026, an estimated $122K.
  • Costco made up 0.22% of Griffith & Werner's portfolio in Q2 2026, its #48 holding.
  • Griffith & Werner first reported a position in Costco in Q4 2024 and has held it in 6 quarters since.
  • Griffith & Werner's Costco position peaked at $1.97M in Q4 2024.
  • 2,087 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Griffith & Werner's 13F filing for Q2 2026, filed 30 Jul 2026.