Security key
45841N107
Interactive Brokers Group, Inc. - Common Stock (IBKR)
CUSIP: 45841N107
Q2 2018 13F Holders as of 30 Jun 2018
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 61,479,733
- Total 13F value
- $3,959,968,149
- Share change
- -1,185,365
- Put/Call ratio
- 206%
- SEC-reported price per share
- $64.41
- Number of holders
- 285
- Value change
- -$77,907,335
- Number of buys
- 163
- Number of sells
- 115
- Shares outstanding
- 445,757,274
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2018
Institutions
285
Top holders
10
IBKR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2018
Previous quarter: Q1 2018
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.
Comparable stake leader
BAILLIE GIFFORD & CO
Disclosed value leader
BAILLIE GIFFORD & CO
Comparable rows
15/15
Latest evidence
31 Mar 2018
13F
Lead comparable stake: 1.4%
Showing 1-6 of 15 holder rows.
Quick read
BAILLIE GIFFORD & CO leads the comparable SEC ownership view at 1.4%.
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 BAILLIE GIFFORD & CO's linked filing trail.
Comparable ownership
Top 5
BAILLIE GIFFORD & CO
1.4%
BlackRock Finance, Inc.
1.4%
VANGUARD GROUP INC
1.3%
Bares Capital Management, Inc.
1.1%
CANTILLON CAPITAL MANAGEMENT LLC
0.57%
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 |
|---|---|---|---|---|---|
| BAILLIE GIFFORD & CO |
13F
Company
|
1.4%
|
$414,578,000
6,165,648 shares
|
— | 31 Mar 2018 |
| BlackRock Finance, Inc. |
13F
Company
|
1.4%
|
$405,194,000
6,026,103 shares
|
— | 31 Mar 2018 |
| VANGUARD GROUP INC |
13F
Company
|
1.3%
|
$397,265,000
5,908,177 shares
|
— | 31 Mar 2018 |
| Bares Capital Management, Inc. |
13F
Company
|
1.1%
|
$326,250,000
4,852,017 shares
|
— | 31 Mar 2018 |
| CANTILLON CAPITAL MANAGEMENT LLC |
13F
Company
|
0.57%
|
$170,873,000
2,541,244 shares
|
— | 31 Mar 2018 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC |
13F
Company
|
0.54%
|
$161,822,000
2,406,625 shares
|
— | 31 Mar 2018 |
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 2018
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
285
Shares
61,479,733
Rows available
285
| 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 2018 vs Q1 2018 Across Filers
Q1 2018 holders
266
Q2 2018 holders
285
Holder diff
19
| Investor | Q1 2018 Shares | Q2 2018 Shares | Share Diff | Share Chg % | Q1 2018 value | Q2 2018 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend