Among active 13F managers last quarter, 28 opened and 4 added, while 7 reduced; the largest holder to move was Aristeia Capital, L.L.C. (new position). No open-market insider trades in the last 180 days.
Funds lean in and no leg opposes.
49 tracked 13F filers disclose a position in MLAA as of the latest SEC 13F filings, a combined $277.6M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Aristeia Capital, L.L.C. | 2.2M | $21.7M | ▲New +2.2M sh | Q2 2026 | |
| 2 | Adage Capital Partners GP, L.L.C. | 2.1M | $20.7M | ▲New +2.1M sh | Q1 2026 | |
| 3 | Magnetar Financial LLC | 2.0M | $19.9M | —Held | Q2 2026 | |
| 4 | Alberta Investment Management Corp | 1.8M | $17.4M | ▲New +1.8M sh | Q2 2026 | |
| 5 | Linden Advisors LP | 1.5M | $14.8M | ▲New +1.5M sh | Q1 2026 | |
| 6 | AQR Arbitrage LLC | 1.4M | $14.4M | ▲New +1.4M sh | Q2 2026 | |
| 7 | Highbridge Capital Management LLC | 1.3M | $13.0M | ▲+373% Added · +1.0M sh | Q2 2026 | |
| 8 | Kryger Capital LLC | 1.3M | $12.6M | ▲New +1.3M sh | Q2 2026 | |
| 9 | LMR Partners LLP | 1.3M | $12.4M | ▲New +1.3M sh | Q2 2026 | |
| 10 | Healthcare Of Ontario Pension Plan Trust Fund | 1.3M | $12.3M | ▲New +1.3M sh | Q1 2026 | |
| 11 | Tenor Capital Management Co., L.P. | 1.1M | $10.5M | —Held | Q2 2026 | |
| 12 | Fort Baker Capital Management LP | 1.0M | $9.9M | ▲New +1.0M sh | Q2 2026 | |
| 13 | Westchester Capital Management, LLC | 854K | $8.5M | ▲New +854K sh | Q2 2026 | |
| 14 | Polar Asset Management Partners Inc. | 800K | $7.9M | ▼−20% Reduced · −200K sh | Q2 2026 | |
| 15 | First Trust Capital Management L.P. | 600K | $6.0M | ▲New +600K sh | Q2 2026 | |
| 16 | Verition Fund Management LLC | 588K | $5.8M | ▼−35% Reduced · −312K sh | Q2 2026 | |
| 17 | Two Sigma Investments, LP | 568K | $5.6M | ▲New +568K sh | Q1 2026 | |
| 18 | Picton Mahoney Asset Management | 500K | $5.0M | ▲New +500K sh | Q2 2026 | |
| 19 | Moore Capital Management, LP | 500K | $5.0M | ▲New +500K sh | Q2 2026 | |
| 20 | Rivernorth Capital Management, LLC | 500K | $5.0M | ▲New +500K sh | Q2 2026 | |
| 21 | Radcliffe Capital Management, L.P. | 458K | $4.5M | ▲+13% Added · +54K sh | Q2 2026 | |
| 22 | Berkley W R Corp | 448K | $4.4M | ▲New +448K sh | Q1 2026 | |
| 23 | Shaolin Capital Management LLC | 429K | $4.3M | ▼−42% Reduced · −309K sh | Q2 2026 | |
| 24 | Sculptor Capital LP | 428K | $4.2M | ▲New +428K sh | Q2 2026 | |
| 25 | Whitebox Advisors LLC | 400K | $4.0M | —Held | Q2 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 28 funds opened a new position in MLAA and 4 added to an existing one, while 7 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Their position there |
|---|---|---|
| Cantor Equity Partners-CL ACEPF | 39 funds | $202.8M |
| Cantor Equity Partners-CL ACEPV | 39 funds | $125.9M |
| Eqv Ventures Acquisition C-AEVAC | 36 funds | $260.2M |
| Republic Digital Acquis-CL ARDAG | 36 funds | $188.3M |
| Wen Acquisition Corp-AWENN | 35 funds | $170.5M |
| Mountain Lake Acquisition CoMLAAW | 34 funds | $2.9M |
| New Providence Acquisition-ANPAC | 33 funds | $199.4M |
| Trailblazer Acquisition-CL ABLZR | 33 funds | $154.4M |
| M3-Brigade Acquisition-CL AMBVI | 32 funds | $190.2M |
| Cantor Equity Partners VII-ACAES | 32 funds | $123.5M |
| Cantor Equity Partners VI -ACEPS | 32 funds | $44.2M |
| Titan Acquisition Corp-CL ATACH | 31 funds | $212.5M |
Ranked by how many of MLAA's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MLAA.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jan 28, 2026 | Horlick Douglas | Chief Financial Officer, Director, 10% Owner | Buy (P) | 510K | $5.1M |
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 4 | 8 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
| Class | 13F holders | Value held |
|---|---|---|
| MLAAthis pageUSD CL A ORD SHS | 49 funds | $277.6M |
| MLAAWWarrant | 42 funds | $4.0M |
| MLAAUUnit | 9 funds | $35.7M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for MLAA
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MLAA/capital-change-brief"
Use Arkolith's capital_change_brief for MLAA. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MLAA. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.