Define Financial
COST icon

Define Financial’s Costco COST Stock Holding History

Define Financial’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 		$467K Buy
513
+6
+1% +$5.6K 0.19% 25
2026
Q2 		$475K Buy
507
+96
+23% +$95.7K 0.22% 23
2026
Q1 		$409K Buy
411
+3
+0.7% +$2.92K 0.22% 23
2025
Q4 		$352K Buy
408
+50
+14% +$45.3K 0.2% 28
2025
Q3 		$331K Buy
358
+12
+3% +$11.5K 0.2% 29
2025
Q2 		$343K Hold
346
– – 0.23% 24
2025
Q1 		$333K Buy
346
+10
+3% +$9.8K 0.25% 23
2024
Q4 		$308K Buy
+336
New +$312K 0.23% 22

Other funds holding COST

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $174B AUM 33.96% 1-Year Est. Return
Citigroup
Citigroup New York $308B AUM 40.94% 1-Year Est. Return
Everett Harris & Co
Everett Harris & Co Los Angeles, California $8.46B AUM 13.48% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $118B AUM 40.52% 1-Year Est. Return
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
ProShare Advisors
ProShare Advisors Bethesda, Maryland $69.5B AUM 31.38% 1-Year Est. Return

Define Financial's COST Position: Q3 2026 in Review

Define Financial increased its Costco (COST) stake by 1.2% in Q3 2026, buying an estimated $5.6K and bringing the position to 513 shares worth $467K. The position accounts for 0.19% of the portfolio, ranked #25.

Define Financial first reported a position in COST in Q4 2024 and has held it in 8 quarters since. The position peaked at $475K in Q2 2026. 2,357 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • Define Financial held 513 shares of Costco worth $467K as of Q3 2026.
  • Define Financial bought 6 Costco shares in Q3 2026, an estimated $5.6K.
  • Costco made up 0.19% of Define Financial's portfolio in Q3 2026, its #25 holding.
  • Define Financial first reported a position in Costco in Q4 2024 and has held it in 8 quarters since.
  • Define Financial's Costco position peaked at $475K in Q2 2026.
  • 2,357 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Define Financial's 13F filing for Q3 2026, filed 14 Oct 2026.