COMGEST GLOBAL INVESTORS S.A.S. has opened a new $113.5M position in $IBKR, per a new SEC 13F filing. This disclosure reflects the funds' holdings for the 09-30-2026 report period. You can see the fund's full portfolio on Quiver Quantitative, and also track the largest institutional owners of $IBKR.
$IBKR Hedge Fund Activity
We have seen 596 institutional investors add shares of $IBKR stock to their portfolio, and 454 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- CANTILLON CAPITAL MANAGEMENT LLC removed 10,728,048 shares (-95.4%) from their portfolio in Q2 2026, for an estimated $933,769,297
- JPMORGAN CHASE & CO added 5,187,549 shares (+inf%) to their portfolio in Q2 2026, for an estimated $451,524,264
- SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 3,838,547 shares (+inf%) to their portfolio in Q2 2026, for an estimated $334,107,130
- KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC removed 3,650,684 shares (-36.4%) from their portfolio in Q2 2026, for an estimated $317,755,535
- VIKING GLOBAL INVESTORS LP added 3,436,419 shares (+246.5%) to their portfolio in Q2 2026, for an estimated $299,105,909
- WELLINGTON MANAGEMENT GROUP LLP removed 2,392,651 shares (-24.5%) from their portfolio in Q2 2026, for an estimated $208,256,343
- BLACKROCK, INC. added 1,754,626 shares (+5.6%) to their portfolio in Q2 2026, for an estimated $152,722,647
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
$IBKR Insider Trading Activity
$IBKR insiders have traded $IBKR stock on the open market 3 times in the past 6 months. Of those trades, 2 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $IBKR stock by insiders over the last 6 months:
- LAWRENCE E HARRIS sold 25,000 shares for an estimated $2,065,250
- LORI A CONKLING has made 2 purchases buying 50 shares for an estimated $4,353 and 0 sales.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
Note that there may be inaccuracies in these estimates due to filing errors by the funds, parsing errors by us, or other anomalies.
Check out Quiver Quantitative's $IBKR ticker page for more data.
