Stock ownership · SEC 13F · Q4 2025
INTERACTIVE BROKERS GROUP IN
Institutional ownership of INTERACTIVE BROKERS GROUP IN (CUSIP 45841N107) - who holds it, how concentrated it is, and what moved last quarter.
- $4.6M
- Reported value
- 8
- Institutions
- 100%
- Top-5 share
The verdict
According to SEC Form 13F-HR filings in this corpus, INTERACTIVE BROKERS GROUP IN ranks #575 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. 8 institutions report $4.6M as of Q4 2025, with ownership heavily concentrated in a handful of holders.
- 8
- institutions hold it
- $4.6M
- reported 13F value
- 100%
- held by top 5
- #575
- of 775 by value
Based on long positions reported to the SEC as of Q4 2025; 13F omits shorts, options and non-US holdings.
According to SEC Form 13F-HR filings in this corpus, INTERACTIVE BROKERS GROUP IN ranks #575 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders.
How 13F ownership is computed · All tracked stocks · Concentration rankings
SEC Form 13F-HR ownership desk
CUSIP 45841N107 · Q4 2025 $5M reported
VALUE-LIGHT · HOLDERS-FOCUS · CONC-DOM · PHOTO-FINISH · ACTIVITY-MID · BOOK-FULL
- VALUE-LIGHT #575/775
- HOLDERS-FOCUS 8 filers
- CONC-DOM 100% top-5
- PHOTO-FINISH BIO-TECHNE
- ACTIVITY-MID 6 new
- BOOK-FULL 8Q history
Photo-finish peer on reported value: BIO-TECHNE CORP
Read with: Ownership concentration guide - INTERACTIVE BROKERS GROUP IN's top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.
Reported-value neighbourhood · INTERACTIVE BROKERS GROUP IN
Nearest tracked securities by aggregate 13F reported value, not a full corpus reprint.
Institutional ownership over time
The number of institutions reporting a INTERACTIVE BROKERS GROUP IN position has risen from 3 to 8 over the last 8 quarters of 13F filings.
Top Institutional Holders
| # | Institution | Shares | Value | Share of reported |
|---|---|---|---|---|
| 1 | Pacer Advisors, Inc. | 35,050 | $2.3M | 48.6% |
| 2 | Cross Staff Investments Inc | 17,606 | $1.1M | 24.4% |
| 3 | GROUPAMA ASSET MANAGMENT | 16,288 | $1.0M | 22.6% |
| 4 | Anchor Investment Management, LLC | 2,702 | $174K | 3.7% |
| 5 | MidFirst Bank | 308 | $20K | 0.4% |
| 6 | Bell Investment Advisors, Inc | 104 | $7K | 0.1% |
| 7 | TD Capital Management LLC | 48 | $3K | 0.1% |
| 8 | SG Trading Solutions, LLC | 11,166 | $718 | 0.0% |
Investment Discretion
SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among INTERACTIVE BROKERS GROUP IN's reported holders for Q4 2025, by reported value:
Latest Quarter Activity · Q4 2025
New positions (6)
Complete exits (7)
Frequently Asked Questions
How many institutions hold INTERACTIVE BROKERS GROUP IN?▼
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Nationwide stocks with similar institutional value or holder count
Two 13F-derived peer sets for INTERACTIVE BROKERS GROUP IN: nearest aggregate reported value and nearest institutional holder count, not catalog browse links.
Similar reported value
Nearest stocks by aggregate 13F reported value ($4.6M here).
Similar holder count
Nearest stocks by number of disclosing 13F holders (8 here).
Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.
PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-16.