Security key
45841N107
Interactive Brokers Group, Inc. - Common Stock (IBKR)
CUSIP: 45841N107
Q3 2019 13F Holders as of 30 Sep 2019
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 67,525,798
- Total 13F value
- $3,627,801,856
- Share change
- +711,518
- Put/Call ratio
- 143%
- SEC-reported price per share
- $53.78
- Number of holders
- 237
- Value change
- +$35,953,567
- Number of buys
- 117
- Number of sells
- 99
- 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
Q3 2019
Institutions
237
Top holders
10
IBKR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2019
Previous quarter: Q2 2019
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
30 Jun 2019
13F
Lead comparable stake: 1.7%
Showing 1-6 of 15 holder rows.
Quick read
BAILLIE GIFFORD & CO leads the comparable SEC ownership view at 1.7%.
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
1.7%
Bares Capital Management, Inc.
1.6%
BlackRock Finance, Inc.
1.5%
KAYNE ANDERSON RUDNICK INVESTMENT...
1.3%
VANGUARD GROUP INC
0.97%
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
|
1.7%
|
$403,589,000
7,403,934 shares
|
— | 30 Jun 2019 |
| Bares Capital Management, Inc. |
13F
Company
|
1.6%
|
$392,621,000
7,243,924 shares
|
— | 30 Jun 2019 |
| BlackRock Finance, Inc. |
13F
Company
|
1.5%
|
$354,130,000
6,533,771 shares
|
— | 30 Jun 2019 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC |
13F
Company
|
1.3%
|
$312,450,000
5,764,756 shares
|
— | 30 Jun 2019 |
| VANGUARD GROUP INC |
13F
Company
|
0.97%
|
$234,831,000
4,332,688 shares
|
— | 30 Jun 2019 |
| CANTILLON CAPITAL MANAGEMENT LLC |
13F
Company
|
0.58%
|
$139,490,000
2,573,615 shares
|
— | 30 Jun 2019 |
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 Q3 2019
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
237
Shares
67,525,798
Rows available
237
| 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 Q3 2019 vs Q2 2019 Across Filers
Q2 2019 holders
237
Q3 2019 holders
237
Holder diff
0
| Investor | Q2 2019 Shares | Q3 2019 Shares | Share Diff | Share Chg % | Q2 2019 value | Q3 2019 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend