Robeco Institutional Asset Management
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Robeco Institutional Asset Management’s Interactive Brokers IBKR Stock Holding History

Robeco Institutional 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 		$123M Buy
1,418,704
+91,861
+7% +$7.65M 0.15% 159
2026
Q1 		$89M Sell
1,326,843
-59,108
-4% -$4.22M 0.13% 192
2025
Q4 		$89.1M Buy
1,385,951
+283,474
+26% +$19M 0.13% 173
2025
Q3 		$75.9M Buy
1,102,477
+585,951
+113% +$36.9M 0.11% 188
2025
Q2 		$28.6M Sell
516,526
-22,954
-4% -$1.09M 0.05% 299
2025
Q1 		$22.3M Buy
539,480
+178,320
+49% +$8.84M 0.04% 312
2024
Q4 		$16M Buy
361,160
+121,160
+50% +$5.1M 0.03% 370
2024
Q3 		$8.36M Buy
+240,000
New +$7.43M 0.02% 466
2023
Q3 		– Sell
-216
Closed -$4.49K – 1036
2023
Q2 		$4.49K Buy
+216
New +$4.26K ﹤0.01% 1028
2019
Q1 		– Sell
-415,504
Closed -$5.68M – 971
2018
Q4 		$5.68M Sell
415,504
-952
-0.2% -$12.7K 0.03% 512
2018
Q3 		$5.76M Sell
416,456
-359,596
-46% -$5.45M 0.02% 537
2018
Q2 		$12.5M Buy
776,052
+2,460
+0.3% +$44.5K 0.06% 357
2018
Q1 		$13M Buy
+773,592
New +$12.8M 0.06% 348

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

Robeco Institutional Asset Management's IBKR Position: Q2 2026 in Review

Robeco Institutional Asset Management increased its Interactive Brokers (IBKR) stake by 6.9% in Q2 2026, buying an estimated $7.65M and bringing the position to 1,418,704 shares worth $123M. The position accounts for 0.15% of the portfolio, ranked #159.

Robeco Institutional Asset Management first reported a position in IBKR in Q1 2018 and has held it in 13 quarters since. 1,112 funds tracked by Wall St. Rank hold IBKR as of Q2 2026.

  • Robeco Institutional Asset Management held 1,418,704 shares of Interactive Brokers worth $123M as of Q2 2026.
  • Robeco Institutional Asset Management bought 91,861 Interactive Brokers shares in Q2 2026, an estimated $7.65M.
  • Interactive Brokers made up 0.15% of Robeco Institutional Asset Management's portfolio in Q2 2026, its #159 holding.
  • Robeco Institutional Asset Management first reported a position in Interactive Brokers in Q1 2018 and has held it in 13 quarters since.
  • 1,112 funds tracked by Wall St. Rank held Interactive Brokers as of Q2 2026.

Based on Robeco Institutional Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.