Latest Period
Q1 2026
Security Snapshot
Interactive Brokers Group, Inc. - Common Stock (IBKR) Institutional Ownership
CUSIP: 45841N107
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
990
Shares (Excl. Options)
378,956,149
Price
$67.07
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- Security type / class
- Equity / Common Stock
- Symbol
- IBKR on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 378,956,149
- Total 13F value
- $25,385,330,663
- Portfolio coverage rank
- 0.04%
- Share change
- -162,494
- Value change
- +$39,065,622
- Number of holders
- 990
- Shares outstanding
- 445,757,274
- SEC-reported price per share
- $83.11
- Insider filing price
- $83.11
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- IBKR - Interactive Brokers Group, Inc. - Common Stock is tracked under CUSIP 45841N107.
- 990 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 974 to 990 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $24,709,543,879 to $25,385,330,663.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 990 institutions filings for Q1 2026.
Security key
45841N107
Latest holder period
Q1 2026
13F holders
990
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
IBKR full holder history
Interactive Brokers Group, Inc. SEC filings
Interactive Brokers Group, Inc. company facts
Interactive Brokers Group, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 45841N107:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
IBKR
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 7.3% | $2,182,476,647 | 32,540,281 | Vanguard Capital Management | 31 Mar 2026 | |||
| BlackRock, Inc. | 6.2% | -33% | $1,900,506,052 | +$1,189,436,586 | 27,619,620 | +167% | BlackRock, Inc. | 30 Sep 2025 |
| ORBIS INVESTMENT MANAGEMENT LTD | 4.8% | $906,513,980 | 5,277,180 | ORBIS INVESTMENT MANAGEMENT LTD | 31 Dec 2024 |
As of 31 Mar 2026, 990 institutional investors reported holding 378,956,149 shares of Interactive Brokers Group, Inc. - Common Stock (IBKR). This represents 85% of the company’s total 445,757,274 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
54%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7% | 31,375,037 | -0.96% | 0.04% | $2,104,323,725 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.3% | 28,180,361 | 0% | 0.05% | $1,890,056,812 |
| STATE STREET CORP | 4.3% | 19,092,105 | +1.4% | 0.04% | $1,280,507,482 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.4% | 14,984,545 | 0% | 0.05% | $1,005,013,433 |
| FMR LLC | 2.8% | 12,501,284 | +160% | 0.04% | $838,461,148 |
| Cantillon Capital Management LLC | 2.5% | 11,245,881 | -12% | 5% | $754,261,239 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 10,443,607 | +2.4% | 0.04% | $699,500,890 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 2.2% | 10,016,215 | -11% | 2% | $671,787,557 |
| Greenwich Wealth Management LLC | 2.2% | 9,924,043 | +8% | 27% | $665,606,000 |
| WELLINGTON MANAGEMENT GROUP LLP | 2.2% | 9,774,792 | +18% | 0.12% | $655,595,299 |
| Invesco Ltd. | 2.2% | 9,647,168 | +16% | 0.1% | $647,035,557 |
| TWO SIGMA INVESTMENTS, LP | 1.9% | 8,312,971 | +136% | 0.46% | $557,550,965 |
| JPMORGAN CHASE & CO | 1.5% | 6,723,652 | -9.6% | 0.03% | $428,229,460 |
| Egerton Capital (UK) LLP | 1.4% | 6,275,179 | -9.6% | 4.7% | $420,876,256 |
| BANK OF AMERICA CORP /DE/ | 1.4% | 6,230,136 | -6.6% | 0.03% | $417,855,207 |
| Orbis Allan Gray Ltd | 1.4% | 6,118,045 | -34% | 1.7% | $410,337,278 |
| London & Capital Asset Management Ltd | 1.3% | 5,915,803 | +0.93% | 4.3% | $396,654,591 |
| AMERICAN CENTURY COMPANIES INC | 1.3% | 5,744,408 | -0.32% | 0.2% | $385,277,445 |
| MORGAN STANLEY | 1.1% | 4,765,572 | +5.4% | 0.02% | $319,627,063 |
| 1832 Asset Management L.P. | 1% | 4,454,154 | -11% | 0.4% | $298,740,109 |
| BAMCO INC /NY/ | 0.91% | 4,047,376 | -13% | 0.82% | $271,457,508 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 0.88% | 3,931,016 | -18% | 1.1% | $263,653,243 |
| BESSEMER GROUP INC | 0.88% | 3,922,736 | +156% | 0.41% | $263,097,000 |
| NEUBERGER BERMAN GROUP LLC | 0.84% | 3,733,048 | -19% | 0.19% | $249,399,087 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.81% | 3,592,551 | +6.2% | 0.04% | $240,952,396 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 378,956,149 | $25,385,330,663 | +$39,065,622 | $67.07 | 990 |
| 2025 Q4 | 384,079,474 | $24,709,543,879 | +$562,395,512 | $64.31 | 974 |
| 2025 Q3 | 379,034,057 | $26,091,480,510 | +$230,005,424 | $68.81 | 902 |
| 2025 Q2 | 377,684,641 | $20,946,619,126 | +$15,591,092,833 | $55.41 | 794 |
| 2025 Q1 | 93,617,495 | $15,520,224,147 | -$25,218,054 | $165.59 | 738 |
| 2024 Q4 | 93,531,681 | $16,547,877,926 | +$51,161,734 | $176.67 | 703 |
| 2024 Q3 | 92,662,885 | $12,915,082,297 | -$105,326,680 | $139.36 | 577 |
| 2024 Q2 | 93,419,979 | $11,453,344,808 | -$124,896,568 | $122.60 | 544 |
| 2024 Q1 | 94,505,276 | $10,557,400,296 | +$233,974,346 | $111.71 | 486 |
| 2023 Q4 | 92,971,729 | $7,708,462,713 | -$85,350,851 | $82.90 | 445 |
| 2023 Q3 | 93,347,920 | $8,078,864,966 | +$104,543,173 | $86.56 | 430 |
| 2023 Q2 | 91,602,443 | $7,609,573,083 | +$29,089,179 | $83.07 | 416 |
| 2023 Q1 | 91,795,973 | $7,578,323,531 | -$73,056 | $82.56 | 423 |
| 2022 Q4 | 92,161,057 | $6,668,351,292 | -$14,015,726 | $72.35 | 394 |
| 2022 Q3 | 92,188,547 | $5,892,477,086 | +$362,489,312 | $63.91 | 326 |
| 2022 Q2 | 86,696,712 | $4,769,719,885 | +$4,377,425 | $55.01 | 328 |
| 2022 Q1 | 86,792,908 | $5,719,116,795 | +$60,983,603 | $65.91 | 326 |
| 2021 Q4 | 85,439,673 | $6,786,530,725 | +$405,690,349 | $79.42 | 329 |
| 2021 Q3 | 81,939,700 | $5,112,239,576 | +$116,084,815 | $62.34 | 294 |
| 2021 Q2 | 80,195,225 | $5,271,383,793 | +$27,616,577 | $65.73 | 308 |
| 2021 Q1 | 79,054,993 | $5,773,420,090 | +$147,608,040 | $73.04 | 311 |
| 2020 Q4 | 77,353,409 | $4,712,081,345 | +$606,325,478 | $60.92 | 271 |
| 2020 Q3 | 67,637,007 | $3,265,410,791 | -$70,142,982 | $48.33 | 255 |
| 2020 Q2 | 69,353,504 | $2,898,850,640 | +$30,457,243 | $41.77 | 237 |
| 2020 Q1 | 69,442,047 | $2,995,722,845 | +$16,641,420 | $43.17 | 218 |