Comparable stake leader
JANE STREET GROUP, LLC
SEC ownership of FOCUS UNIVERSAL INC.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001590418.
Disclosed value leader
Jennifer Lingjie Gu
Comparable rows
1/11
Latest evidence
03 Sep 2026
- Public ticker
- FCUV on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
JANE STREET GROUP, LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
1 of 11
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
JANE STREET GROUP, LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
03 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001590418
- Issuer location
- West Covina, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of FOCUS UNIVERSAL INC. (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
JANE STREET GROUP, LLC
Disclosed value leader
Jennifer Lingjie Gu
Comparable rows
1/11
Latest evidence
03 Sep 2026
13D/G
13F
3/4/5
Lead comparable stake: 5.1%
10 rows are not safely comparable across share classes.
13D/G row: JANE STREET GROUP, LLC
Showing 1-8 of 11 holder rows.
Quick read
JANE STREET GROUP, LLC leads the comparable SEC ownership view at 5.1%.
1 of 11 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 JANE STREET GROUP, LLC's linked filing trail.
Comparable ownership
Top 1
JANE STREET GROUP, LLC
5.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 11 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| JANE STREET GROUP, LLC |
13D/G
13F
Company
|
5.1%
Reported 13D/G
· 03 Sep 2026
|
$199,601
36,029 shares
|
$0 | 03 Sep 2026 |
| Jennifer Lingjie Gu |
3/4/5
Director, 10%+ Owner
|
—
denominator unverified
|
$19,164,600
6,388,200 shares
|
— | 31 Dec 2021 |
| Edward Shihai Lee |
3/4/5
Director, 10%+ Owner
|
—
denominator unverified
|
$5,911,342
1,395,830 shares
|
— | 13 Jan 2025 |
| Desheng Wang |
3/4/5
CEO and Director, Director, 10%+ Owner
|
—
denominator unverified
|
$5,002,360
2,273,800 shares
|
— | 15 Aug 2025 |
| CITADEL ADVISORS LLC |
13F
Company
|
—
denominator unverified
|
$43,848
11,539 shares
|
— | 30 Jun 2026 |
| Pope Michael Ross |
3/4/5
Director
|
—
denominator unverified
|
$4,638
1,546 shares
|
— | 17 Aug 2022 |
| Sheri Lofgren |
3/4/5
Director
|
—
denominator unverified
|
$4,638
1,546 shares
|
— | 17 Aug 2022 |
| Tower Research Capital LLC (TRC) |
13F
Company
|
—
denominator unverified
|
$3,203
843 shares
|
— | 30 Jun 2026 |
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.
Forms 3/4/5 flow
Insider trading overview
No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 31 Oct 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-5 of 5 reporting-owner rows connected to FOCUS UNIVERSAL INC.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
5
Largest Forms 3/4/5 holder
Jennifer Lingjie Gu
Net 12M change
$0
Latest report
15 Aug 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Jennifer Lingjie Gu | Director, 10%+ Owner | $19,164,600 | Mixed | 31 Dec 2021 | ||
| Edward Shihai Lee | Director, 10%+ Owner | $5,911,342 | Mixed | 13 Jan 2025 | ||
| Desheng Wang | CEO and Director, Director, 10%+ Owner | $5,002,360 | Filing P/S | 15 Aug 2025 | ||
| Pope Michael Ross | Director | $4,638 | Mixed | 17 Aug 2022 | ||
| Sheri Lofgren | Director | $4,638 | Mixed | 17 Aug 2022 |
Recent insider transactions for FOCUS UNIVERSAL INC.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Edward Shihai Lee | FCUV | Common Stock | Conversion of derivative security | 114.2% | 550,000 | 1,031,830 | 17 Nov 2025 | Direct | ||
| Edward Shihai Lee | FCUV | Series A Convertible Preferred Stock | Conversion of derivative security | -100% | -500,000 | 0 | 17 Nov 2025 | Direct |
* marks a reported price that did not pass the local price check.