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Delta Investment Management’s Costco COST Stock Holding History

Delta Investment Management’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
Q1 		$558K Buy
560
+11
+2% +$10.7K 0.1% 135
2025
Q4 		$474K Sell
549
-107
-16% -$97K 0.08% 157
2025
Q3 		$608K Buy
656
+35
+6% +$33.5K 0.11% 128
2025
Q2 		$615K Sell
621
-48
-7% -$47.7K 0.12% 115
2025
Q1 		$633K Buy
669
+95
+17% +$92.6K 0.13% 98
2024
Q4 		$526K Buy
574
+68
+13% +$63.1K 0.1% 125
2024
Q3 		$449K Buy
506
+38
+8% +$33K 0.09% 133
2024
Q2 		$398K Buy
468
+56
+14% +$43.7K 0.09% 135
2024
Q1 		$302K Buy
412
+26
+7% +$18.6K 0.07% 163
2023
Q4 		$255K Buy
+386
New +$229K 0.06% 174

Other funds holding COST

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
DAM
Diamant Asset Management Ridgefield, Connecticut $137B AUM 18.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Delta Investment Management's COST Position: Q1 2026 in Review

Delta Investment Management increased its Costco (COST) stake by 2% in Q1 2026, buying an estimated $10.7K and bringing the position to 560 shares worth $558K. The position accounts for 0.1% of the portfolio, ranked #135.

Delta Investment Management first reported a position in COST in Q4 2023 and has held it in 10 quarters since. The position peaked at $633K in Q1 2025. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Delta Investment Management held 560 shares of Costco worth $558K as of Q1 2026.
  • Delta Investment Management bought 11 Costco shares in Q1 2026, an estimated $10.7K.
  • Costco made up 0.1% of Delta Investment Management's portfolio in Q1 2026, its #135 holding.
  • Delta Investment Management first reported a position in Costco in Q4 2023 and has held it in 10 quarters since.
  • Delta Investment Management's Costco position peaked at $633K in Q1 2025.
  • 4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Delta Investment Management's 13F filing for Q1 2026, filed 13 May 2026.