Seros Financial
COST icon

Seros Financial’s Costco COST Stock Holding History

Seros 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 		$271K Buy
298
+5
+2% +$4.67K 0.14% 52
2026
Q2 		$274K Buy
293
+16
+6% +$15.9K 0.14% 50
2026
Q1 		$276K Sell
277
-20
-7% -$19.5K 0.18% 42
2025
Q4 		$256K Hold
297
– – 0.15% 54
2025
Q3 		$275K Sell
297
-3
-1% -$2.88K 0.17% 45
2025
Q2 		$297K Buy
300
+8
+3% +$7.95K 0.19% 45
2025
Q1 		$276K Sell
292
-109
-27% -$106K 0.21% 43
2024
Q4 		$341K Buy
+401
New +$372K 0.31% 35

Other funds holding COST

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
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
Loring Wolcott & Coolidge Fiduciary Advisors
Loring Wolcott & Coolidge Fiduciary Advisors Boston, Massachusetts $10.8B AUM 9.05% 1-Year Est. Return
Asset Management One
Asset Management One Tokyo, Japan $40B AUM 30.45% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $45.5B AUM 15.2% 1-Year Est. Return

Seros Financial's COST Position: Q3 2026 in Review

Seros Financial increased its Costco (COST) stake by 1.7% in Q3 2026, buying an estimated $4.67K and bringing the position to 298 shares worth $271K. The position accounts for 0.14% of the portfolio, ranked #52.

Seros Financial first reported a position in COST in Q4 2024 and has held it in 8 quarters since. The position peaked at $341K in Q4 2024. 1,615 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • Seros Financial held 298 shares of Costco worth $271K as of Q3 2026.
  • Seros Financial bought 5 Costco shares in Q3 2026, an estimated $4.67K.
  • Costco made up 0.14% of Seros Financial's portfolio in Q3 2026, its #52 holding.
  • Seros Financial first reported a position in Costco in Q4 2024 and has held it in 8 quarters since.
  • Seros Financial's Costco position peaked at $341K in Q4 2024.
  • 1,615 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Seros Financial's 13F filing for Q3 2026, filed 21 Oct 2026.