Interactive Brokers Group, Inc. - Common Stock (IBKR)

CUSIP: 45841N107

Q2 2026 13F Holders as of 30 Jun 2026

Security type / class
Equity / Common Stock
Total 13F shares
3,573,365
Total 13F value
$311,606,147
Holder snapshot 6 signals
Share change
+57,439
SEC-reported price per share
$87.04
Number of holders
49
Value change
+$4,984,442
Number of buys
20
Number of sells
15
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
445,757,274

Security key

45841N107

Report period

Q2 2026

Institutions

49

Top holders

10

IBKR full security history Ownership snapshot Full 13F holder table Previous quarter: Q1 2026 Interactive Brokers Group, Inc. SEC filings Interactive Brokers Group, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of IBKR - Interactive Brokers Group, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
VANGUARD CAPITAL MANAGEME...
Disclosed value leader
VANGUARD CAPITAL MANAGEME...
Comparable rows
15/15
Latest evidence
08 May 2026
13D/G 13F 3/4/5 Lead comparable stake: 7.3% 13D/G row: VANGUARD CAPITAL MANAGEMENT LLC Showing 1-6 of 15 holder rows.

Quick read

VANGUARD CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 7.3%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD CAPITAL MANAGEMENT LLC's linked filing trail.
Comparable ownership Top 5
VANGUARD CAPITAL MANAGEMENT LLC 7.3%
BlackRock, Inc. 6.2%
ORBIS INVESTMENT MANAGEMENT LTD 4.8%
Milan Galik 0.72%
Paul J. Brody 0.64%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
VANGUARD CAPITAL MANAGEMENT LLC
13D/G 13F
Vanguard Capital Management · Company
13D/G 13F
7.3%
$2,182,476,647
32,540,281 shares
 $0 31 Mar 2026
BlackRock, Inc.
13F 13D/G
Company
13F 13D/G
6.2%
from 13D/G
$2,104,323,725
31,375,037 shares
 — 31 Mar 2026
ORBIS INVESTMENT MANAGEMENT LTD
13D/G
13D/G
4.8%
$906,513,980
5,277,180 shares
 $0 31 Dec 2024
Milan Galik
3/4/5
Chief Executive Officer, Director
3/4/5
0.72%
$215,656,140
3,215,389 shares
 — 08 May 2026
Paul J. Brody
3/4/5
Chief Financial Officer, Director
3/4/5
0.64%
$191,605,978
2,856,806 shares
 -$59,126,297 08 May 2026
Earl H. Nemser
3/4/5
Vice Chairman, Director
3/4/5
0.1%
$28,796,102
429,344 shares
 -$57,185,586 08 May 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
49
Shares
3,573,365
Rows available
49
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q1 2026 Across Filers

Q1 2026 holders
992
Q2 2026 holders
49
Holder diff
-943
Investor Q1 2026 Shares Q2 2026 Shares Share Diff Share Chg % Q1 2026 value Q2 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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