Berto Acquisition Corp.
TACOU- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002033122
No open-market purchases or sales by Berto Acquisition Corp. insiders were filed in the last 90 days; 4 institutions reported holding it in 13F filings for Q2 2026, worth $3.28M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Berto Acquisition Corp. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 10
- −7 vs. Q2 2025
- Shares held
- 396.8K
- −1.76M (−81.6%) vs. Q2 2025
- Total value
- $4.24M
- −$18.9M (−81.6%) vs. Q2 2025
- New holders
- 4
- 0 more added
- Sold out
- 11
- 3 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TACOU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 4 | $3.28M |
| Q1 2026 | 6 | $2.94M |
| Q4 2025 | 6 | $3.54M |
| Q3 2025 | 10 | $4.24M |
| Q2 2025 | 18 | $23.6M |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Berto Acquisition Corp.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 100,000 | $1.07M | 0.00% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 75,000 | $801.8K | 0.04% | 00.0% | Unchanged |
| Royal Bank of Canada | 45,000 | $482.0K | 0.00% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 44,788 | $479.7K | 0.03% | −130,212−74.4% | Reduced |
| HRT Financial LP | 40,817 | $436.0K | 0.00% | −30,071−42.4% | Reduced |
| Clear Street Group Inc. | 31,331 | $335.6K | 0.00% | +31,331 | New |
| Citadel Advisors LLC | 27,022 | $288.9K | 0.00% | −877−3.1% | Reduced |
| Rangeley Capital, LLC | 18,900 | $202.4K | 0.19% | +18,900 | New |
| Soltis Investment Advisors LLC | 13,800 | $147.8K | 0.01% | +13,800 | New |
| UBS Group AG | 100 | $1.07K | 0.00% | +100 | New |
| HGC Investment Management Inc. | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Wealthspring Capital LLC | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −240,494−100.0% | Sold out |
| DLD Asset Management, LP | 0 | $0 | 0.00% | −218,755−100.0% | Sold out |
| Heights Capital Management, Inc | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Wexford Capital LP | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Bulldog Investors, LLP | 0 | $0 | 0.00% | −69,163−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −40,860−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −21,924−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −21,235−100.0% | Sold out |
| Clear Street LLC | – | – | – | – | Not filed |