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

CUSIP: 45841N107

Q1 2021 13F Holders as of 31 Mar 2021

Security type / class
Equity / Common Stock
Total 13F shares
79,054,993
Total 13F value
$5,773,420,090
Holder snapshot 6 visible 7 signals
Share change
+1,505,722
Put/Call ratio
253%
SEC-reported price per share
$73.04
Number of holders
311
Value change
+$147,608,040
Number of buys
169
Open additional details 1 more signal available
Number of sells
117
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
445,757,274

Security key

45841N107

Report period

Q1 2021

Institutions

311

Top holders

10

IBKR full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2021 Previous quarter: Q4 2020 Interactive Brokers Group, Inc. SEC filings Interactive Brokers Group, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

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 Dec 2020
13F Lead comparable stake: 2.2% Showing 1-6 of 15 holder rows.

Quick read

Greenwich Wealth Management LLC leads the comparable SEC ownership view at 2.2%.

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 2.2%
KAYNE ANDERSON RUDNICK INVESTMENT... 1.6%
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
2.2%
$609,895,000
10,011,408 shares
 — 31 Dec 2020
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
13F
Company
13F
1.6%
$446,508,000
7,329,410 shares
 — 31 Dec 2020
VANGUARD GROUP INC
13F
Company
13F
1.6%
$434,142,000
7,126,430 shares
 — 31 Dec 2020
BlackRock Finance, Inc.
13F
Company
13F
1.5%
$401,716,000
6,594,169 shares
 — 31 Dec 2020
Bares Capital Management, Inc.
13F
Company
13F
1.2%
$334,850,000
5,496,555 shares
 — 31 Dec 2020
BAILLIE GIFFORD & CO
13F
Company
13F
0.94%
$254,978,000
4,185,437 shares
 — 31 Dec 2020
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 2021

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

Institutions
311
Shares
79,054,993
Rows available
311
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 2021 vs Q4 2020 Across Filers

Q4 2020 holders
271
Q1 2021 holders
311
Holder diff
40
Investor Q4 2020 Shares Q1 2021 Shares Share Diff Share Chg % Q4 2020 value Q1 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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