Security key
45841N107
Interactive Brokers Group, Inc. - Common Stock (IBKR)
CUSIP: 45841N107
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 378,941,165
- Total 13F value
- $25,384,325,688
- Share change
- -140,104
- Put/Call ratio
- 73%
- SEC-reported price per share
- $67.07
- Number of holders
- 989
- Value change
- +$40,567,316
- Number of buys
- 520
- Number of sells
- 425
- Shares outstanding
- 445,757,274
Holder snapshot
7 facts
Show 1 more fact
Security identity
1 fact
Report period
Q1 2026
Institutions
989
Top holders
10
IBKR full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 2025
Interactive Brokers Group, Inc. SEC filings
Interactive Brokers Group, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 45841N107
Recent filing periods:
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.
Largest current holder
VANGUARD CAPITAL MANAGEME...
13D/G signal
VANGUARD CAPITAL MANAGEME...
Evidence rows
15
Latest as of
31 Mar 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%.
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.
Comparable ownership
Top 5
VANGUARD CAPITAL MANAGEMENT LLC
7.3%
BlackRock, Inc.
6.2%
ORBIS INVESTMENT MANAGEMENT LTD
4.8%
Jill Bright
0%
Nicole Yuen
0%
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
Vanguard Capital Management
|
7.3%
|
$2,182,476,647
32,540,281 shares
|
$0 | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.2%
from 13D/G
|
$2,037,330,638
31,679,842 shares
|
— | 31 Dec 2025 |
| ORBIS INVESTMENT MANAGEMENT LTD |
13D/G
|
4.8%
|
$906,513,980
5,277,180 shares
|
$0 | 31 Dec 2024 |
| Jill Bright |
3/4/5
Director
|
0%
|
$712,683
11,082 shares
|
+$26,380 | 01 Jan 2026 |
| Nicole Yuen |
3/4/5
Director
|
0%
|
$651,203
10,126 shares
|
— | 01 Jan 2026 |
| William Peterffy |
3/4/5
Director
|
0%
|
$651,203
10,126 shares
|
— | 01 Jan 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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
989
Shares
378,941,165
Rows available
989
| 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 failed the local validity check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
974
Q1 2026 holders
989
Holder diff
15
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend