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Mizuho Securities USA’s Costco COST Stock Holding History

Mizuho Securities USA’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 		$32.5M Buy
34,733
+7,899
+29% +$7.87M 0.52% 25
2026
Q1 		$26.7M Sell
26,834
-5,435
-17% -$5.3M 0.63% 20
2025
Q4 		$29.5M Sell
32,269
-31
-0.1% -$28.1K 0.49% 22
2025
Q3 		$30.5M Buy
32,300
+1,634
+5% +$1.57M 0.62% 21
2025
Q2 		$30.4M Sell
30,666
-4,877
-14% -$4.85M 0.65% 21
2025
Q1 		$33.6M Sell
35,543
-6,450
-15% -$6.29M 0.73% 20
2024
Q4 		$38.5M Buy
41,993
+13,245
+46% +$12.3M 0.7% 18
2024
Q3 		$25.5M Sell
28,748
-5,447
-16% -$4.73M 0.55% 20
2024
Q2 		$29.1M Buy
+34,195
New +$26.7M 0.64% 21
2021
Q1 		– Sell
-812
Closed -$306K – 184
2020
Q4 		$306K Buy
+812
New +$303K 0.02% 162
2018
Q1 		– Sell
-11,600
Closed -$2.16M – 165
2017
Q4 		$2.16M Buy
+11,600
New +$2M 0.11% 53
2015
Q2 		– Sell
-12,668
Closed -$1.92M – 203
2015
Q1 		$1.92M Sell
12,668
-407
-3% -$59.7K 0.25% 69
2014
Q4 		$1.85M Buy
13,075
+5,442
+71% +$740K 0.18% 73
2014
Q3 		$957K Buy
+7,633
New +$922K 0.11% 68
2014
Q1 		– Sell
-52,733
Closed -$6.28M – 35
2013
Q4 		$6.28M Buy
52,733
+15,063
+40% +$1.8M 0.52% 46
2013
Q3 		$4.34M Sell
37,670
-6,492
-15% -$749K 0.28% 53
2013
Q2 		$4.88M Buy
+44,162
New +$4.83M 0.24% 48

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

Mizuho Securities USA's COST Position: Q2 2026 in Review

Mizuho Securities USA increased its Costco (COST) stake by 29% in Q2 2026, buying an estimated $7.87M and bringing the position to 34,733 shares worth $32.5M. The position accounts for 0.52% of the portfolio, ranked #25.

Mizuho Securities USA first reported a position in COST in Q2 2013 and has held it in 17 quarters since. The position peaked at $38.5M in Q4 2024. 4,224 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Mizuho Securities USA held 34,733 shares of Costco worth $32.5M as of Q2 2026.
  • Mizuho Securities USA bought 7,899 Costco shares in Q2 2026, an estimated $7.87M.
  • Costco made up 0.52% of Mizuho Securities USA's portfolio in Q2 2026, its #25 holding.
  • Mizuho Securities USA first reported a position in Costco in Q2 2013 and has held it in 17 quarters since.
  • Mizuho Securities USA's Costco position peaked at $38.5M in Q4 2024.
  • 4,224 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Mizuho Securities USA's 13F filing for Q2 2026, filed 24 Jul 2026.