Security key
G1051H127
Berto Acquisition Corp. - UNIT 99/99/9999 (TACOU)
CUSIP: G1051H127
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / UNIT 99/99/9999
- Total 13F shares
- 396,758
- Total 13F value
- $4,244,137
- Share change
- -1,890,791
- SEC-reported price per share
- $10.71
- Number of holders
- 10
- Value change
- -$20,265,519
- Number of buys
- 3
- Number of sells
- 15
Report period
Q3 2025
Institutions
10
Top holders
10
TACOU full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Berto Acquisition Corp. SEC filings
Berto Acquisition Corp. company facts
Broader feeds
Reporting periods
Holder history for CUSIP G1051H127
Recent filing periods:
Ownership snapshot
Top reported holders of TACOU - Berto Acquisition Corp. - UNIT 99/99/9999 (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
1/15
Latest evidence
30 Jun 2025
13D/G
3/4/5
13F
Lead comparable stake: 14%
14 rows are not safely comparable across share classes.
13D/G row: Berto Acquisition Sponsor LLC
Showing 1-6 of 15 holder rows.
Quick read
Berto Acquisition Sponsor LLC leads the comparable SEC ownership view at 14%.
1 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 Berto Acquisition Sponsor LLC's linked filing trail.
Comparable ownership
Top 1
Berto Acquisition Sponsor LLC
14%
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 |
|---|---|---|---|---|---|
| Berto Acquisition Sponsor LLC |
13D/G
Harry L. You
|
14%
Reported 13D/G
· 30 Jun 2025
|
$52,625,430
5,089,500 shares
|
$0 | 30 Jun 2025 |
| Harry L. You |
3/4/5
Interim CFO, Director, 10%+ Owner
|
—
denominator unverified
|
—
5,089,500 shares
|
— | 29 Apr 2025 |
| Magnetar Financial LLC |
13F
Company
|
—
mixed-class rows
|
$17,659,166
2,475,000 shares
mixed-class rows
|
— | 30 Jun 2025 |
| AQR Arbitrage LLC |
13F
Company
|
—
mixed-class rows
|
$16,529,667
2,312,994 shares
mixed-class rows
|
— | 30 Jun 2025 |
| LINDEN ADVISORS LP |
13F
Company
|
—
mixed-class rows
|
$13,535,119
1,994,699 shares
mixed-class rows
|
— | 30 Jun 2025 |
| Polar Asset Management Partners Inc. |
13F
Company
|
—
mixed-class rows
|
$12,981,300
1,800,000 shares
mixed-class rows
|
— | 30 Jun 2025 |
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 Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
10
Shares
396,758
Rows available
10
| 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 Q3 2025 vs Q1 2026 Across Filers
Q1 2026 holders
6
Q3 2025 holders
10
Holder diff
4
| Investor | Q1 2026 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q1 2026 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend