Qube Research & Technologies (QRT)
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Qube Research & Technologies (QRT)’s Interactive Brokers IBKR Stock Holding History

Qube Research & Technologies (QRT)’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 		$792K Sell
9,100
-21,400
-70% -$1.78M ﹤0.01% 2498
2026
Q1 		$2.05M Sell
30,500
-99,500
-77% -$7.1M ﹤0.01% 2163
2025
Q4 		$8.36M Sell
130,000
-18,300
-12% -$1.23M 0.01% 1457
2025
Q3 		$10.2M Buy
148,300
+9,400
+7% +$591K 0.01% 1316
2025
Q2 		$7.7M Buy
138,900
+66,500
+92% +$3.15M 0.01% 1458
2025
Q1 		$3M Buy
72,400
+30,800
+74% +$1.53M ﹤0.01% 1792
2024
Q4 		$1.84M Buy
+41,600
New +$1.75M ﹤0.01% 1911

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 $3.37T AUM 44.26% 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 $2.74B AUM 36.19% 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

Qube Research & Technologies (QRT)'s IBKR Position: Q2 2026 in Review

Qube Research & Technologies (QRT) increased its Interactive Brokers (IBKR) stake by 285% in Q2 2026, buying an estimated $88.9M and bringing the position to 1,442,839 shares worth $126M. The position accounts for 0.12% of the portfolio, ranked #222.

Qube Research & Technologies (QRT) first reported a position in IBKR in Q2 2018 and has held it in 18 quarters since. The position peaked at $132M in Q1 2025. 1,115 funds tracked by Wall St. Rank hold IBKR as of Q2 2026.

  • Qube Research & Technologies (QRT) held 1,442,839 shares of Interactive Brokers worth $126M as of Q2 2026.
  • Qube Research & Technologies (QRT) bought 1,067,817 Interactive Brokers shares in Q2 2026, an estimated $88.9M.
  • Interactive Brokers made up 0.12% of Qube Research & Technologies (QRT)'s portfolio in Q2 2026, its #222 holding.
  • Qube Research & Technologies (QRT) first reported a position in Interactive Brokers in Q2 2018 and has held it in 18 quarters since.
  • Qube Research & Technologies (QRT)'s Interactive Brokers position peaked at $132M in Q1 2025.
  • 1,115 funds tracked by Wall St. Rank held Interactive Brokers as of Q2 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q2 2026, filed 14 Aug 2026.