OA
COST icon

Oak Associates’s Costco COST Stock Holding History

Oak Associates’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 		$229K Buy
+230
New +$224K 0.02% 136
2025
Q4 		– Sell
-230
Closed -$213K – 133
2025
Q3 		$213K Hold
230
– – 0.01% 129
2025
Q2 		$228K Buy
+230
New +$229K 0.01% 126

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

Oak Associates's COST Position: Q1 2026 in Review

Oak Associates opened a new position in Costco (COST) in Q1 2026: 230 shares worth $229K. The stake represents 0.02% of the portfolio and ranks #136 among its holdings. This is a return to the name: Oak Associates previously reported a position in COST as recently as Q3 2025.

Oak Associates first reported a position in COST in Q2 2025 and has held it in 3 quarters since. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Oak Associates held 230 shares of Costco worth $229K as of Q1 2026.
  • Costco was a new Oak Associates position in Q1 2026.
  • Costco made up 0.02% of Oak Associates's portfolio in Q1 2026, its #136 holding.
  • Oak Associates first reported a position in Costco in Q2 2025 and has held it in 3 quarters since.
  • 4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Oak Associates's 13F filing for Q1 2026, filed 14 May 2026.