SF
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
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

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Seros Financial's COST Position: Q2 2026 in Review

Seros Financial increased its Costco (COST) stake by 5.8% in Q2 2026, buying an estimated $15.9K and bringing the position to 293 shares worth $274K. The position accounts for 0.14% of the portfolio, ranked #50.

Seros Financial first reported a position in COST in Q4 2024 and has held it in 7 quarters since. The position peaked at $341K in Q4 2024. 4,244 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Seros Financial held 293 shares of Costco worth $274K as of Q2 2026.
  • Seros Financial bought 16 Costco shares in Q2 2026, an estimated $15.9K.
  • Costco made up 0.14% of Seros Financial's portfolio in Q2 2026, its #50 holding.
  • Seros Financial first reported a position in Costco in Q4 2024 and has held it in 7 quarters since.
  • Seros Financial's Costco position peaked at $341K in Q4 2024.
  • 4,244 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Seros Financial's 13F filing for Q2 2026, filed 13 Aug 2026.