Comparable stake leader
Berto Acquisition Sponsor LLC
SEC ownership of Berto Acquisition Corp.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002033122.
Disclosed value leader
Berto Acquisition Sponsor LLC
Comparable rows
28/50
Latest evidence
31 Mar 2026
- Public ticker
- TACO, TACOU, TACOW 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
-
Berto Acquisition Sponsor LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
28 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Berto Acquisition Sponsor LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002033122
- Issuer location
- Las Vegas, NV
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 Berto Acquisition Corp. (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
Berto Acquisition Sponsor...
Disclosed value leader
Berto Acquisition Sponsor...
Comparable rows
28/50
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 14%
22 rows are not safely comparable across share classes.
13D/G row: Berto Acquisition Sponsor LLC
Showing 1-8 of 50 holder rows.
Quick read
Berto Acquisition Sponsor LLC leads the comparable SEC ownership view at 14%.
28 of 50 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 Berto Acquisition Sponsor LLC's linked filing trail.
Comparable ownership
Top 5
Berto Acquisition Sponsor LLC
14%
BERKLEY W R CORP
4.9%
Centiva Capital, LP
4.8%
Verbena Value LP
2.4%
TWO SIGMA INVESTMENTS, LP
2.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Berto Acquisition Sponsor LLC |
13D/G
Harry L. You
|
14%
|
$52,625,430
5,089,500 shares
|
$0 | 30 Jun 2025 |
| BERKLEY W R CORP |
13F
Company
|
4.9%
|
$18,681,630
1,822,598 shares
|
— | 31 Mar 2026 |
| Centiva Capital, LP |
13F
Company
|
4.8%
|
$18,359,739
1,791,194 shares
|
— | 31 Mar 2026 |
| Verbena Value LP |
13F
Company
|
2.4%
|
$9,201,886
897,745 shares
|
— | 31 Mar 2026 |
| TWO SIGMA INVESTMENTS, LP |
13F
Company
|
2.1%
|
$8,192,292
799,248 shares
|
— | 31 Mar 2026 |
| Crossingbridge Advisors, LLC |
13F
Company
|
1.7%
|
$6,507,950
635,000 shares
|
— | 31 Mar 2026 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC |
13F
Company
|
1.3%
|
$5,110,000
500,000 shares
|
— | 31 Mar 2026 |
| Mint Tower Capital Management B.V. |
13F
Company
|
1.1%
|
$4,209,000
410,668 shares
|
— | 31 Mar 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
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 20 Jul 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 Berto Acquisition Corp.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
5
Largest Forms 3/4/5 holder
Darla Anderson
Net 12M change
$0
Latest report
13 Jun 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Darla Anderson | Director | Mixed | 29 Apr 2025 | |||
| Samuel O Lynn | Director | Mixed | 29 Apr 2025 | |||
| Constance K. Weaver | Director | Mixed | 29 Apr 2025 | |||
| Harry L. You | Interim CFO, Director, 10%+ Owner | Mixed | 29 Apr 2025 | |||
| Vikas Mittal | Chief Financial Officer | Mixed | 13 Jun 2025 |
Recent insider transactions for Berto Acquisition Corp.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.