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Martingale Asset Management’s Interactive Brokers IBKR Stock Holding History

Martingale Asset Management’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 		$1.24M Sell
14,272
-19,433
-58% -$1.62M 0.03% 487
2026
Q1 		$2.26M Sell
33,705
-30,746
-48% -$2.19M 0.06% 315
2025
Q4 		$4.14M Sell
64,451
-63,767
-50% -$4.27M 0.11% 179
2025
Q3 		$8.82M Sell
128,218
-30,410
-19% -$1.91M 0.22% 131
2025
Q2 		$8.79M Sell
158,628
-131,100
-45% -$6.22M 0.22% 130
2025
Q1 		$12M Sell
289,728
-33,688
-10% -$1.67M 0.31% 109
2024
Q4 		$14.3M Sell
323,416
-39,224
-11% -$1.65M 0.35% 108
2024
Q3 		$12.6M Buy
362,640
+178,392
+97% +$5.52M 0.29% 111
2024
Q2 		$5.65M Buy
184,248
+17,860
+11% +$533K 0.12% 153
2024
Q1 		$4.65M Sell
166,388
-11,068
-6% -$276K 0.09% 174
2023
Q4 		$3.68M Buy
177,456
+59,604
+51% +$1.22M 0.08% 182
2023
Q3 		$2.55M Buy
117,852
+38,800
+49% +$863K 0.05% 220
2023
Q2 		$1.64M Sell
79,052
-22,980
-23% -$453K 0.03% 317
2023
Q1 		$2.11M Buy
+102,032
New +$2.08M 0.04% 263
2021
Q3 		– Sell
-32,564
Closed -$536K – 887
2021
Q2 		$536K Sell
32,564
-177,536
-85% -$3.07M 0.01% 566
2021
Q1 		$3.84M Sell
210,100
-80,972
-28% -$1.46M 0.04% 214
2020
Q4 		$4.43M Sell
291,072
-49,612
-15% -$657K 0.05% 234
2020
Q3 		$4.12M Buy
+340,684
New +$4.25M 0.05% 246
2018
Q1 		– Sell
-34,020
Closed -$504K – 955
2017
Q4 		$504K Buy
+34,020
New +$464K 0.01% 814

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

Martingale Asset Management's IBKR Position: Q2 2026 in Review

Martingale Asset Management reduced its Interactive Brokers (IBKR) stake by 58% in Q2 2026, selling an estimated $1.62M and leaving 14,272 shares worth $1.24M. The position accounts for 0.03% of the portfolio, ranked #487.

Martingale Asset Management first reported a position in IBKR in Q4 2017 and has held it in 19 quarters since. The position peaked at $14.3M in Q4 2024. 1,117 funds tracked by Wall St. Rank hold IBKR as of Q2 2026.

  • Martingale Asset Management held 14,272 shares of Interactive Brokers worth $1.24M as of Q2 2026.
  • Martingale Asset Management sold 19,433 Interactive Brokers shares in Q2 2026, an estimated $1.62M.
  • Interactive Brokers made up 0.03% of Martingale Asset Management's portfolio in Q2 2026, its #487 holding.
  • Martingale Asset Management first reported a position in Interactive Brokers in Q4 2017 and has held it in 19 quarters since.
  • Martingale Asset Management's Interactive Brokers position peaked at $14.3M in Q4 2024.
  • 1,117 funds tracked by Wall St. Rank held Interactive Brokers as of Q2 2026.

Based on Martingale Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.