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W.H. Cornerstone Investments’s Costco COST Stock Holding History

W.H. Cornerstone Investments’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 		$4.24M Buy
4,251
+217
+5% +$211K 2.65% 11
2025
Q4 		$3.48M Sell
4,034
-2
-0% -$1.81K 2.1% 13
2025
Q3 		$3.74M Sell
4,036
-62
-2% -$59.4K 2.28% 12
2025
Q2 		$4.06M Sell
4,098
-265
-6% -$263K 2.57% 10
2025
Q1 		$4.13M Sell
4,363
-1,191
-21% -$1.16M 2.85% 10
2024
Q4 		$5.09M Sell
5,554
-550
-9% -$510K 3.4% 8
2024
Q3 		$5.41M Sell
6,104
-262
-4% -$227K 3.65% 8
2024
Q2 		$5.41M Sell
6,366
-128
-2% -$99.9K 3.83% 7
2024
Q1 		$4.76M Buy
6,494
+10
+0.2% +$7.14K 3.43% 7
2023
Q4 		$4.28M Buy
6,484
+6
+0.1% +$3.56K 3.39% 6
2023
Q3 		$3.66M Buy
6,478
+67
+1% +$37K 3.22% 5
2023
Q2 		$3.45M Buy
6,411
+101
+2% +$51.1K 3.09% 5
2023
Q1 		$3.13M Buy
6,310
+96
+2% +$47.1K 2.85% 7
2022
Q4 		$3.02M Sell
6,214
-85
-1% -$41.5K 2.86% 6
2022
Q3 		$2.97M Buy
+6,299
New +$3.28M 3.13% 5

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 $147M AUM 25.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

W.H. Cornerstone Investments's COST Position: Q1 2026 in Review

W.H. Cornerstone Investments increased its Costco (COST) stake by 5.4% in Q1 2026, buying an estimated $211K and bringing the position to 4,251 shares worth $4.24M. The position accounts for 2.65% of the portfolio, ranked #11.

W.H. Cornerstone Investments first reported a position in COST in Q3 2022 and has held it in 15 quarters since. The position peaked at $5.41M in Q3 2024. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • W.H. Cornerstone Investments held 4,251 shares of Costco worth $4.24M as of Q1 2026.
  • W.H. Cornerstone Investments bought 217 Costco shares in Q1 2026, an estimated $211K.
  • Costco made up 2.65% of W.H. Cornerstone Investments's portfolio in Q1 2026, its #11 holding.
  • W.H. Cornerstone Investments first reported a position in Costco in Q3 2022 and has held it in 15 quarters since.
  • W.H. Cornerstone Investments's Costco position peaked at $5.41M in Q3 2024.
  • 4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on W.H. Cornerstone Investments's 13F filing for Q1 2026, filed 28 Apr 2026.