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Mizuho Securities USA’s Interactive Brokers IBKR Stock Holding History

Mizuho Securities USA’s Portfolio IBKR Stock Details IBKR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$3.04M Buy
34,876
+7,952
+30% +$662K 0.05% 337
2026
Q1 		$1.81M Sell
26,924
-5,504
-17% -$393K 0.04% 408
2025
Q4 		$2.11M Sell
32,428
-1
-0% -$67 0.03% 402
2025
Q3 		$2.02M Buy
+32,429
New +$2.04M 0.04% 417

Other funds holding IBKR

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 $3.38T AUM 44.17% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
GWM
Greenwich Wealth Management Greenwich, Connecticut $2.75B AUM 36.11% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

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

Mizuho Securities USA increased its Interactive Brokers (IBKR) stake by 30% in Q2 2026, buying an estimated $662K and bringing the position to 34,876 shares worth $3.04M. The position accounts for 0.05% of the portfolio, ranked #337.

Mizuho Securities USA first reported a position in IBKR in Q3 2025 and has held it in 4 quarters since. 1,119 funds tracked by Wall St. Rank hold IBKR as of Q2 2026.

  • Mizuho Securities USA held 34,876 shares of Interactive Brokers worth $3.04M as of Q2 2026.
  • Mizuho Securities USA bought 7,952 Interactive Brokers shares in Q2 2026, an estimated $662K.
  • Interactive Brokers made up 0.05% of Mizuho Securities USA's portfolio in Q2 2026, its #337 holding.
  • Mizuho Securities USA first reported a position in Interactive Brokers in Q3 2025 and has held it in 4 quarters since.
  • 1,119 funds tracked by Wall St. Rank held Interactive Brokers as of Q2 2026.

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