Security key
G1051M126
Berto Acquisition Corp. II - UNIT 03/06/2031 (GUACU)
CUSIP: G1051M126
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / UNIT 03/06/2031
- Total 13F shares
- 572,252
- Total 13F value
- $5,756,855
- Share change
- -1,268,648
- SEC-reported price per share
- $10.06
- Number of holders
- 1
- Value change
- -$12,838,710
- Number of sells
- 3
Report period
Q3 2026
Institutions
1
Top holders
1
GUACU full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q2 2026
Berto Acquisition Corp. II SEC filings
Berto Acquisition Corp. II company facts
Broader feeds
Reporting periods
Holder history for CUSIP G1051M126
Recent filing periods:
Ownership snapshot
Top reported holders of GUACU - Berto Acquisition Corp. II - UNIT 03/06/2031 (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 2026
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 II LLC
Showing 1-6 of 15 holder rows.
Quick read
Berto Acquisition Sponsor II 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 II LLC's linked filing trail.
Comparable ownership
Top 1
Berto Acquisition Sponsor II 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 II LLC |
13D/G
You Harry L.
|
14%
Reported 13D/G
· 30 Jun 2026
|
$52,853,504
5,311,910 shares
|
$0 | 30 Jun 2026 |
| Harry L. You |
3/4/5
10%+ Owner
|
—
denominator unverified
|
—
5,311,910 shares
|
— | 15 May 2026 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$24,199,703
2,391,275 shares
|
— | 30 Jun 2026 |
| LINDEN ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$17,187,000
1,700,000 shares
|
— | 30 Jun 2026 |
| Hudson Bay Capital Management LP |
13F
Company
|
—
denominator unverified
|
$16,176,000
1,600,000 shares
|
— | 30 Jun 2026 |
| Magnetar Financial LLC |
13F
Company
|
—
denominator unverified
|
$16,176,000
1,600,000 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.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1
Shares
572,252
Rows available
1
| 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 2026 vs Q2 2026 Across Filers
Q2 2026 holders
46
Q3 2026 holders
1
Holder diff
-45
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend