Berto Acquisition Corp. - 30TACOW Preferred / convertible 13F holders, Q3 2025 (September 30) 46 holders +9
10 new positions
1 sold out
1 famous investor
$0.69 avg. 13F price*
At the end of Q3 2025 , 46 institutions reported holding Berto Acquisition Corp. - 30 (TACOW) in their 13F filings, up 9 from Q2 2025. 10 opened new positions and 1 sold out. The largest holders were Magnetar Financial LLC ($577K), Meteora Capital, LLC ($554K) and Linden Advisors LP ($510K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).
Company Berto Acquisition Corp. - 30
CUSIP G1051H119
Latest filing quarter Q2 2026 History Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025 Institutions Total Value New Positions 10 $535K Exits 1 $86K
All 13F filers, Q2 2025 → Q3 2025: 1,722,306 shares bought and 648,643 shares sold, net +1,073,663 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 46 holders Portfolio Manager % of Holder's Portfolio Change vs Q2 2025 Shares Value ▼ Magnetar Financial LLC — No change 825,000 $577K Meteora Capital, LLC — Add +0.0% 826,401 $554K Linden Advisors LP — No change 744,699 $510K Harraden Circle Investments, LLC — Add +33.4% 649,422 $435K LMR Partners LLP — No change 625,000 $419K Governors Lane LP — Add +3.0% 620,760 $416K Polar Asset Management Partners Inc. — No change 600,000 $402K AQR Arbitrage LLC — Reduce -26.1% 572,436 $389K Healthcare of Ontario Pension Plan Trust Fund — No change 500,000 $350K Moore Capital Management, LP — No change 500,000 $335K Verition Fund Management LLC — Add +179.9% 458,438 $321K Hudson Bay Capital Management LP — Add +59.4% 419,742 $294K Saba Capital Management, L.P. — No change 406,561 $278K TENOR CAPITAL MANAGEMENT Co., L.P. — No change 400,000 $268K Glazer Capital, LLC — Reduce -33.1% 374,401 $251K Shaolin Capital Management LLC — Add +16.7% 350,000 $235K Walleye Capital LLC — No change 287,400 $193K Toronto Dominion Bank — Add +126.5% 252,341 $169K Parallax Volatility Advisers, L.P. — Add +4.7% 247,434 $166K Driehaus Capital Management LLC — No change 226,724 $159K CSS LLC — Add +119.2% 215,711 $145K BNP Paribas Financial Markets — New 202,562 $136K HGC Investment Management Inc. — Add +250.0% 175,000 $117K Rangeley Capital, LLC — New 10,000 $104K K2 Principal Fund, L.P. — No change 152,268 $102K Context Capital Management, LLC — No change 150,000 $101K Wealthspring Capital LLC — New 150,000 $101K PEAK6 LLC — No change 146,262 $98K D. E. Shaw & Co. — No change 125,000 $87K Alberta Investment Management Corp — No change 125,000 $84K Aristeia Capital, L.L.C. — No change 118,825 $81K Fifth Lane Capital, LP — New 86,900 $61K Periscope Capital Inc. — No change 87,500 $59K Rivernorth Capital Management, LLC — New 65,078 $44K Clear Street Group Inc. — — 54,252 $36K Heights Capital Management, Inc. — New 50,000 $35K Commonwealth of Pennsylvania Public School Empls Retrmt SYS — Reduce -49.4% 51,971 $35K Schonfeld Strategic Advisors LLC — Reduce -25.4% 50,000 $34K Gritstone Asset Management LLC — Reduce -1.1% 49,427 $33K Bulldog Investors, LLP — New 34,577 $23K Radcliffe Capital Management, L.P. — No change 26,343 $18K StoneX Group Inc. — New 25,858 $17K Susquehanna International Group, LLP — New 21,175 $15K Berkley W R Corp. — Reduce -64.0% 17,860 $12K Wolverine Asset Management LLC — Reduce -88.4% 4,630 $3K UBS Group AG — New 331 $222
"% of holder's portfolio" is TACOW's weight in each manager's 13F, not the share of Berto Acquisition Corp. - 30 the manager owns.