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

CUSIP: 45841N107

Q2 2021 13F Holders as of 30 Jun 2021

Holder snapshot 7 signals
Share change
+1,113,565
Put/Call ratio
261%
SEC-reported price per share
$65.73
Number of holders
308
Value change
+$27,616,577
Number of buys
168
Open additional details 1 more signal available
Number of sells
126
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
445,757,274

Security key

45841N107

Report period

Q2 2021

Institutions

308

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
Greenwich Wealth Manageme...
Disclosed value leader
Greenwich Wealth Manageme...
Comparable rows
15/15
Latest evidence
31 Mar 2021
13F Lead comparable stake: 2% Showing 1-6 of 15 holder rows.

Quick read

Greenwich Wealth Management LLC leads the comparable SEC ownership view at 2%.

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 Greenwich Wealth Management LLC's linked filing trail.
Comparable ownership Top 5
Greenwich Wealth Management LLC 2%
KAYNE ANDERSON RUDNICK INVESTMENT... 1.9%
VANGUARD GROUP INC 1.6%
BlackRock Finance, Inc. 1.5%
Bares Capital Management, Inc. 1.2%

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
Greenwich Wealth Management LLC
13F
Company
13F
2%
$641,304,000
8,780,173 shares
31 Mar 2021
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
13F
Company
13F
1.9%
$613,097,000
8,393,971 shares
31 Mar 2021
VANGUARD GROUP INC
13F
Company
13F
1.6%
$509,723,000
6,978,685 shares
31 Mar 2021
BlackRock Finance, Inc.
13F
Company
13F
1.5%
$501,219,000
6,862,263 shares
31 Mar 2021
Bares Capital Management, Inc.
13F
Company
13F
1.2%
$397,334,000
5,439,955 shares
31 Mar 2021
BAILLIE GIFFORD & CO
13F
Company
13F
0.92%
$300,418,000
4,113,068 shares
31 Mar 2021
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 2021

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

Institutions
308
Shares
80,195,225
Rows available
308
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 2021 vs Q1 2021 Across Filers

Q1 2021 holders
311
Q2 2021 holders
308
Holder diff
-3
Investor Q1 2021 Shares Q2 2021 Shares Share Diff Share Chg % Q1 2021 value Q2 2021 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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