Who owns Berto Acquisition Corp. II?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of GUACU from SEC Form 13F filings across 46 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 46 institutions disclosed 31.2M shares of Berto Acquisition Corp. II worth $315.8M — about 79.3% of shares outstanding; the largest disclosed holder is MILLENNIUM MANAGEMENT LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
46
13F holders
$315.8M
value, 2026 filers
79.3%
of shares outstanding (31.2M sh)
46
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of GUACU's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | MILLENNIUM MANAGEMENT LLCNEW | 2.4M | $24.2M | 0.0% | 6.1% | new |
| 2 | Linden Advisors LPNEW | 1.7M | $17.2M | 0.1% | 4.3% | new |
| 3 | Magnetar Financial LLCNEW | 1.6M | $16.2M | 0.1% | 4.1% | new |
| 4 | Hudson Bay Capital Management LPNEW | 1.6M | $16.2M | 0.0% | 4.1% | new |
| 5 | Governors Lane LPNEW | 1.4M | $13.7M | 1.1% | 3.4% | new |
| 6 | LMR Partners LLPNEW | 1.3M | $13.2M | 0.0% | 3.3% | new |
| 7 | ARISTEIA CAPITAL, L.L.C.NEW | 1.3M | $13.2M | 0.2% | 3.3% | new |
| 8 | Radcliffe Capital Management, L.P.NEW | 1.3M | $13.2M | 1.0% | 3.3% | new |
| 9 | Centiva Capital, LPNEW | 1.2M | $12.1M | 0.1% | 3% | new |
| 10 | Wealthspring Capital LLCNEW | 1.1M | $11.0M | 2.5% | 2.8% | new |
| 11 | HGC Investment Management Inc.NEW | 1.1M | $10.8M | 2.1% | 2.7% | new |
| 12 | Verition Fund Management LLCNEW | 1.0M | $10.6M | 0.1% | 2.7% | new |
| 13 | Saba Capital Management, L.P.NEW | 1.0M | $10.3M | 0.3% | 2.6% | new |
| 14 | Sculptor Capital LPNEW | 1.0M | $10.1M | 0.1% | 2.5% | new |
| 15 | MOORE CAPITAL MANAGEMENT, LPNEW | 1.0M | $10.1M | 0.2% | 2.5% | new |
| 16 | Polar Asset Management Partners Inc.NEW | 900,000 | $9.1M | 0.1% | 2.3% | new |
| 17 | TIG Advisors, LLCNEW | 800,000 | $8.1M | 0.4% | 2% | new |
| 18 | TORONTO DOMINION BANKNEW | 761,777 | $7.7M | 0.0% | 1.9% | new |
| 19 | BNP PARIBAS FINANCIAL MARKETSNEW | 752,108 | $7.6M | 0.0% | 1.9% | new |
| 20 | AQR Arbitrage LLCNEW | 747,892 | $7.6M | 0.1% | 1.9% | new |
| 21 | GLAZER CAPITAL, LLCNEW | 745,604 | $7.5M | 0.2% | 1.9% | new |
| 22 | Shaolin Capital Management LLCNEW | 744,847 | $7.5M | 0.4% | 1.9% | new |
| 23 | Alberta Investment Management CorpNEW | 572,252 | $5.8M | 0.0% | 1.5% | new |
| 24 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDNEW | 500,000 | $5.1M | 0.0% | 1.3% | new |
| 25 | TWO SIGMA INVESTMENTS, LPNEW | 496,624 | $5.0M | 0.0% | 1.3% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation. Research, not investment advice.