Berto AcquisitionTACOU

13F holders, Q4 2025 (December 31)
6holders −4
1new positions
5sold out
1famous investor
$10.29avg. 13F price*

At the end of Q4 2025, 6 institutions reported holding Berto Acquisition Corp. (TACOU) in their 13F filings, down 4 from Q3 2025. 1 opened new positions and 5 sold out. The largest holders were Clear Street Group Inc. ($1.7M), JPMorgan Chase & Co. ($1.0M) and HRT Financial LP ($411K). 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 Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions1$140K
Exits5$2.1M

All 13F filers, Q3 2025 → Q4 2025: 145,865 shares bought and 198,352 shares sold, net −52,487 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 6 holders

Clear Street Group Inc. 0.01% Add +421.5% 163,403 $1.7M
JPMorgan Chase & Co. 0.00% No change 100,000 $1.0M
HRT Financial LP 0.00% Reduce -2.0% 40,000 $411K
Citadel Advisors 0.00% Reduce -0.2% 26,975 $278K
Susquehanna International Group, LLP 0.00% New 13,604 $140K
UBS Group AG 0.00% Add +189.0% 289 $3K

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