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

CUSIP: 45841N107

Q1 2020 13F Holders as of 31 Mar 2020

Holder snapshot 7 signals
Share change
+521,217
Put/Call ratio
228%
SEC-reported price per share
$43.17
Number of holders
218
Value change
+$16,641,420
Number of buys
114
Open additional details 1 more signal available
Number of sells
105
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
445,757,274

Security key

45841N107

Report period

Q1 2020

Institutions

218

Top holders

10

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
Bares Capital Management,...
Disclosed value leader
Bares Capital Management,...
Comparable rows
15/15
Latest evidence
31 Dec 2019
13F Lead comparable stake: 1.7% Showing 1-6 of 15 holder rows.

Quick read

Bares Capital Management, Inc. 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 Bares Capital Management, Inc.'s linked filing trail.
Comparable ownership Top 5
Bares Capital Management, Inc. 1.7%
BAILLIE GIFFORD & CO 1.6%
BlackRock Finance, Inc. 1.5%
KAYNE ANDERSON RUDNICK INVESTMENT... 1.3%
VANGUARD GROUP INC 1.3%

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
Bares Capital Management, Inc.
13F
Company
13F
1.7%
$348,420,000
7,473,615 shares
31 Dec 2019
BAILLIE GIFFORD & CO
13F
Company
13F
1.6%
$337,511,000
7,239,630 shares
31 Dec 2019
BlackRock Finance, Inc.
13F
Company
13F
1.5%
$314,014,000
6,735,624 shares
31 Dec 2019
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
13F
Company
13F
1.3%
$271,007,000
5,813,101 shares
31 Dec 2019
VANGUARD GROUP INC
13F
Company
13F
1.3%
$265,672,000
5,698,664 shares
31 Dec 2019
CANTILLON CAPITAL MANAGEMENT LLC
13F
Company
13F
0.56%
$116,664,000
2,502,438 shares
31 Dec 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 Q1 2020

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

Institutions
218
Shares
69,442,047
Rows available
218
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 Q1 2020 vs Q4 2019 Across Filers

Q4 2019 holders
239
Q1 2020 holders
218
Holder diff
-21
Investor Q4 2019 Shares Q1 2020 Shares Share Diff Share Chg % Q4 2019 value Q1 2020 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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