3 tracked superinvestors hold INTERACTIVE BROKERS GROUP IN (IBKR), worth $1.2B combined, led by Overdeck / Siegel. Smart money is accumulating IBKR as of the latest 13F filings.
Current price
$92.62
+44.6%
1Y
Interactive Brokers Group, Inc. operates as a sophisticated electronic brokerage, serving clients across the United States and globally. This firm manages the trading, clearing, and settlement for a broad spectrum of financial instruments, including equities, options, futures, foreign exchange, bonds, mutual funds, exchange-traded funds (ETFs), precious metals, and digital currencies. Beyond its…
Market cap
$138.4B
P/E
34.53
Div yield
0.3%
Revenue YoY
9.8%
Analyst target
$108
Snapshot for context. For deep analysis use a stock screener — this page is about who owns it.
Superinvestors holding
3
tracked 13F / N-PORT funds
Combined value
$1.2B
disclosed long exposure
Tier-1 conviction
2
concentrated holders
Net this quarter
+2
2 buying · 0 selling
Smart money is net accumulating IBKR: 2 funds added or opened versus 0 trimming. 1 opened a brand-new position.
INTERACTIVE BROKERS GROUP IN (IBKR) is held by 3 tracked funds worth $1.2B combined, 2 of them concentrated Tier-1 managers whose positions carry real conviction.
The largest position belongs to Overdeck / Siegel at 0.6% of their book — no single tracked manager treats it as an outsized, top-weighted bet.
This quarter 1 fund opened a brand-new position (Stephen Mandel), with 1 adding and 0 trimming — a net accumulation signal.
| Investor | Move | % of their portfolio | Position value |
|---|---|---|---|
| Held | 0.6% | $731M | |
| Added | 1.2% | $420M | |
| New buy | 0.3% | $50M |
Tier badge = signal quality: 1 concentrated conviction · 2 quant/multi (context) · 3 retail & diversified. Only Tier 1 holdings feed the consensus signal.
Which superinvestors own IBKR?
3 tracked funds hold INTERACTIVE BROKERS GROUP IN (IBKR), the largest being Overdeck / Siegel (Two Sigma) at 0.6% of its 13F portfolio. 2 of them are concentrated Tier-1 conviction managers.
Is smart money buying or selling IBKR?
In the most recent 13F quarter, 2 tracked funds added or opened IBKR and 0 trimmed it, including 1 brand-new position.
How much IBKR do tracked funds hold?
Combined disclosed long exposure to IBKR across tracked superinvestors is $1.2B as of the Jun 2026 filings.
One email when a tracked manager opens, adds to or files to sell a position — from Form 4, 13D and Form 144, not the 45-day-old 13F.
Holdings aggregated from the latest SEC 13F & N-PORT filings via FMP · Jun 2026 quarter. Long equity positions only, reported with up to a 45-day delay — for activity between filings see real-time moves. Not financial advice.