QC
IBKR icon

Quadrature Capital’s Interactive Brokers IBKR Stock Holding History

Quadrature Capital’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 		$3.01M Buy
34,588
+18,100
+110% +$1.51M 0.03% 402
2026
Q1 		$1.11M Buy
+16,488
New +$1.18M 0.01% 530
2025
Q4 		– Sell
-58,847
Closed -$4.05M – 1436
2025
Q3 		$4.05M Buy
+58,847
New +$3.7M 0.05% 219
2025
Q2 		– Sell
-39,536
Closed -$1.64M – 1231
2025
Q1 		$1.64M Sell
39,536
-41,784
-51% -$2.07M 0.04% 332
2024
Q4 		$3.59M Buy
81,320
+38,760
+91% +$1.63M 0.07% 231
2024
Q3 		$1.48M Buy
+42,560
New +$1.32M 0.03% 287
2024
Q1 		– Sell
-17,728
Closed -$367K – 1328
2023
Q4 		$367K Buy
+17,728
New +$363K 0.01% 778
2023
Q2 		– Sell
-24,216
Closed -$500K – 1086
2023
Q1 		$500K Sell
24,216
-39,300
-62% -$800K 0.01% 565
2022
Q4 		$1.15M Buy
+63,516
New +$1.19M 0.03% 324
2021
Q3 		– Sell
-79,288
Closed -$1.3M – 843
2021
Q2 		$1.3M Buy
+79,288
New +$1.37M 0.05% 261
2020
Q2 		– Sell
-24,548
Closed -$265K – 696
2020
Q1 		$265K Buy
+24,548
New +$297K 0.06% 357
2018
Q4 		– Sell
-90,660
Closed -$1.25M – 560
2018
Q3 		$1.25M Sell
90,660
-88,432
-49% -$1.34M 0.1% 218
2018
Q2 		$2.88M Buy
+179,092
New +$3.24M 0.27% 102
2017
Q4 		– Sell
-25,588
Closed -$288K – 575
2017
Q3 		$288K Buy
+25,588
New +$261K 0.04% 340
2017
Q2 		– Sell
-80,604
Closed -$700K – 655
2017
Q1 		$700K Sell
80,604
-33,396
-29% -$311K 0.05% 348
2016
Q4 		$1.04M Buy
+114,000
New +$1.04M 0.03% 422

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

Quadrature Capital's IBKR Position: Q2 2026 in Review

Quadrature Capital increased its Interactive Brokers (IBKR) stake by 110% in Q2 2026, buying an estimated $1.51M and bringing the position to 34,588 shares worth $3.01M. The position accounts for 0.03% of the portfolio, ranked #402.

Quadrature Capital first reported a position in IBKR in Q4 2016 and has held it in 16 quarters since. The position peaked at $4.05M in Q3 2025. 1,119 funds tracked by Wall St. Rank hold IBKR as of Q2 2026.

  • Quadrature Capital held 34,588 shares of Interactive Brokers worth $3.01M as of Q2 2026.
  • Quadrature Capital bought 18,100 Interactive Brokers shares in Q2 2026, an estimated $1.51M.
  • Interactive Brokers made up 0.03% of Quadrature Capital's portfolio in Q2 2026, its #402 holding.
  • Quadrature Capital first reported a position in Interactive Brokers in Q4 2016 and has held it in 16 quarters since.
  • Quadrature Capital's Interactive Brokers position peaked at $4.05M in Q3 2025.
  • 1,119 funds tracked by Wall St. Rank held Interactive Brokers as of Q2 2026.

Based on Quadrature Capital's 13F filing for Q2 2026, filed 7 Aug 2026.