Interactive Brokers Group, Inc.

$IBKR
Smart money positioned

24 of the Top-200 alpha managers hold $IBKR as of the latest 13F snapshot.

13F holders
994
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

24 holders · Q1 2026

$IBKR is held by 24 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 27.19%, with an average of 1.94% of portfolio. Largest holder: Greenwich Wealth Management LLC at 27.19%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 994 · Source: 13F-HR
01
Axa S.a.
0.04% of portfolio
19,092,105 sh
02
State Street
0.04% of portfolio
18,836,521 sh
03
Keating Investment Counselors Inc.
1.97% of portfolio
16,938,846 sh
04
State Farm Mutual Automobile Insurance Co.
0.04% of portfolio
10,154,820 sh
05
Argent Advisors, Inc.
27.19% of portfolio
9,924,043 sh
06
Deroy & Devereaux Private Investment Counsel Inc.
5.01% of portfolio
8,627,798 sh
07
Exor N.V.
0.03% of portfolio
8,210,650 sh
08
Marshall & Sullivan Inc.
1.13% of portfolio
7,862,032 sh
09
ProShare Advisors LLC
0.05% of portfolio
7,046,279 sh
10
Gardner Russo & Quinn LLC
0.12% of portfolio
7,024,896 sh
See all 994 13F holders · Pro →

Insider activity · last 90 days

48 transactions · 4 filers
29 Oct 2025
Harris Lawrence E
▼ SOLD
10,645
$69.00
S
28 Oct 2025
Harris Lawrence E
▼ SOLD
6,855
$69.15
S
27 Oct 2025
Harris Lawrence E
▼ SOLD
7,500
$69.73
S
23 Oct 2025
Bright Jill
▲ BOUGHT
400
$65.95
P
24 Oct 2025
Harris Lawrence E
▼ SOLD
8,000
$68.50
S
23 Oct 2025
Harris Lawrence E
▼ SOLD
22,000
$67.63
S
19 Sep 2025
Brody Paul Jonathan
▼ SOLD
6,928
$64.66
S
30 Sep 2025
Brody Paul Jonathan
▼ SOLD
1,155
$70.00
S
30 Sep 2025
Brody Paul Jonathan
▼ SOLD
1,979
$69.30
S
29 Sep 2025
Brody Paul Jonathan
▼ SOLD
2,021
$68.70
S
29 Sep 2025
Brody Paul Jonathan
▼ SOLD
8,792
$68.27
S
29 Sep 2025
Brody Paul Jonathan
▼ SOLD
7,414
$67.16
S

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

2 disclosures · STOCK Act
House · Michigan · Traded Oct 14
SOLD
$1K–$15K
Nov 21STOCK
House · Michigan · Traded Aug 13
BOUGHT
$1K–$15K
Sep 12STOCK

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 04:59 UTC.