Berto AcquisitionTACOU

13F holders, Q3 2025 (September 30)
10holders −8
3new positions
5sold out
1famous investor
$10.70avg. 13F price*

At the end of Q3 2025, 10 institutions reported holding Berto Acquisition Corp. (TACOU) in their 13F filings, down 8 from Q2 2025. 3 opened new positions and 5 sold out. The largest holders were JPMorgan Chase & Co. ($1.1M), Westchester Capital Management, LLC ($802K) and Royal Bank of Canada ($482K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Berto Acquisition Corp.
CUSIP
G1051H127
Latest filing quarter
Q2 2026

History

Number of 13F holders

05101520 Q2 2025: 18Q2 2025Q3 2025: 10Q3 2025Q4 2025: 6Q4 2025Q1 2026: 6Q1 2026Q2 2026: 4Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions3$351K
Exits5$7.5M

All 13F filers, Q2 2025 → Q3 2025: 32,800 shares bought and 863,749 shares sold, net −830,949 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 10 holders

JPMorgan Chase & Co. 0.00% No change 100,000 $1.1M
Westchester Capital Management, LLC 0.04% No change 75,000 $802K
Royal Bank of Canada 0.00% No change 45,000 $482K
Rivernorth Capital Management, LLC 0.03% Reduce -74.4% 44,788 $480K
HRT Financial LP 0.00% Reduce -42.4% 40,817 $436K
Clear Street Group Inc. 0.00% — 31,331 $336K
Citadel Advisors 0.00% Reduce -3.1% 27,022 $289K
Rangeley Capital, LLC 0.19% New 18,900 $202K
Soltis Investment Advisors LLC 0.01% New 13,800 $148K
UBS Group AG 0.00% New 100 $1K

"% of holder's portfolio" is TACOU's weight in each manager's 13F, not the share of Berto Acquisition Corp. the manager owns.