MLAANasdaqBlank ChecksFiscal year ends December 31Also trades as MLAAU, MLAAW
Mountain Lake Acquisition Corp. II
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 11, 2026
$10.00+0.00 (0.00%)
Close on Oct 19, 2026
- Market cap
- –
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
33M
Shares held, 13F filers
Institutional holders
59
32 new, 4 sold out
Net institutional buying
16M
In Q2 2026
Insider trades, 12 months
1 buys · 0 sales
Net bought $5.10M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Aristeia Capital, L.L.C. | 2,186,394 | 5.91% | 13G (passive) | Mar 31, 2026 |
| Adage Capital Management, L.P. | 2,100,000 | 5.68% | 13G (passive) | Mar 31, 2026 |
| Magnetar Capital Partners LP | 2,000,000 | 5.40% | 13G (passive) | Mar 31, 2026 |
| Douglas Horlick | 12,516,000 | 25.60% | 13D (active) | Jan 28, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of MLAA | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Aristeia Capital LLC | 2,189,405 | – | $21.74M | New | 0.28% |
| Adage Capital Partners Gp, L.L.C. | 2,100,000 | – | $20.85M | – | 0.03% |
| Magnetar Financial LLC | 2,000,000 | – | $19.86M | – | 0.18% |
| Alberta Investment Management Corp | 1,750,000 | – | $17.38M | New | 0.10% |
| Linden Advisors LP | 1,500,000 | – | $14.90M | – | 0.08% |
| AQR Arbitrage LLC | 1,449,082 | – | $14.39M | New | 0.20% |
| Highbridge Capital Management LLC | 1,309,459 | – | $13.02M | +1,032,456 | 0.32% |
| Kryger Capital LLC | 1,270,887 | – | $12.62M | New | 0.72% |
| LMR Partners LLP | 1,250,000 | – | $12.41M | New | 0.05% |
| D. E. Shaw & Co., Inc. | 1,080,000 | – | $10.72M | +754,999 | 0.01% |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1,059,588 | – | $10.52M | – | 0.15% |
| Sona Asset Management (US) LLC | 1,000,000 | – | $9.93M | – | 0.21% |
| Fort Baker Capital Management LP | 1,000,000 | – | $9.93M | New | 0.73% |
| Glazer Capital, LLC | 950,000 | – | $9.43K | −21,419 | 0.23% |
| Westchester Capital Management, LLC | 853,517 | – | $8.48M | New | 0.41% |
| Polar Asset Management Partners Inc. | 800,000 | – | $7.94M | −200,000 | 0.13% |
| Millennium Management LLC | 765,000 | – | $7.60M | New | 0.00% |
| Bnp Paribas Arbitrage, Snc | 742,958 | – | $7.38M | New | 0.00% |
| First Trust Capital Management L.P. | 600,000 | – | $5.96M | New | 0.35% |
| Verition Fund Management LLC | 587,590 | – | $5.83M | −312,410 | 0.03% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|
| Q2 2026 | 59 | 33M | 32 / 6 | 10 / 4 | 18M | 3M |
| Q1 2026 | 31 | 17M | 31 / 0 | 0 / 0 | 17M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of MLAA | Value | % of fund | As of |
|---|---|---|---|---|---|
| First Trust Merger Arbitrage Fund | 515,308 | – | $5.12M | 0.31% | Jun 30, 2026 |
| First Trust Multi-Strategy Fund | 81,546 | – | $809.75K | 0.06% | Jun 30, 2026 |
| Rivernorth Enhanced Pre-Merger SPAC ETF | 11,031 | – | $109.54K | 1.53% | Jun 30, 2026 |
| Global Multi-Strategy Fund | 4,922 | – | $48.83K | 0.01% | May 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| Paul Grinberg | CEO, Director, 10% owner | – | Mar 18, 2026 |
| Douglas Horlick | CFO, Director, 10% owner | 510,000 | Mar 18, 2026 |
| Jaime Vieser | Director | – | Jan 26, 2026 |
| Jeffrey Todd Lager | Director | – | Jan 26, 2026 |
| Michael J. Marquez | Director | – | Jan 26, 2026 |
| Lake Acquisition Sponsor Ii Llc Mountain | 10% owner | 12,000,000 | Mar 18, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Douglas Horlick Chief Financial Officer, Director, 10% owner | Jan 28, 2026 | Buy | +510,000 | $10.00 | $5.10M | 510,000 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.