Interactive Brokers Group, Inc. (IBKR) research

Interactive Brokers Group, Inc.
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Sector
Financials
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Investment Banking & Brokerage
Last price
$91.37
As of
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You are seeing 5 of 80 signals recorded on IBKR since 2026-05-05.

The five above all landed on 2026-09-06. The other 75 were recorded on 6 other days. 68 of the 80 are institutional flow rows, which arrive in batches on filing days.

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Largest reported share positions in IBKR (2026Q2)

Manager / securityMarket value% portfolioQoQ
TWO SIGMA INVESTMENTS, LPCUSIP 45841N107 · 2026Q2$725.9M0.53%,
VIKING GLOBAL INVESTORS LPCUSIP 45841N107 · 2026Q2$420.5M1.20%,
D. E. Shaw & Co., Inc.CUSIP 45841N107 · 2026Q2$139.5M0.07%,
CITADEL ADVISORS LLCCUSIP 45841N107 · 2026Q2$94.2M0.01%,
Point72 Asset Management, L.P.CUSIP 45841N107 · 2026Q2$75.5M0.08%,
MILLENNIUM MANAGEMENT LLCCUSIP 45841N107 · 2026Q2$67.2M0.02%,
LONE PINE CAPITAL LLCCUSIP 45841N107 · 2026Q2$50.3M0.31%,
SOROS FUND MANAGEMENT LLCCUSIP 45841N107 · 2026Q2$13.2M0.16%,
RENAISSANCE TECHNOLOGIES LLCCUSIP 45841N107 · 2026Q2$5.6M0.01%,
Bridgewater Associates, LPCUSIP 45841N107 · 2026Q2$3.7M0.01%,

Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.

Recent SEC filings, IBKR

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