Among active 13F managers last quarter, 2 opened and 7 added, while 3 reduced; the largest holder to move was Berkley W R Corp (+329%). No open-market insider trades in the last 180 days.
Funds lean in and no leg opposes.
44 tracked 13F filers disclose a position in MCGA as of the latest SEC 13F filings, a combined $123.2M 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 | Berkley W R Corp | 1.6M | $16.6M | ▲+329% Added · +1.3M sh | Q1 2026 | |
| 2 | Murchinson Ltd. | 1.0M | $10.2M | —Held | Q2 2026 | |
| 3 | Davidson Kempner Capital Management LP | 850K | $8.7M | —Held | Q2 2026 | |
| 4 | Crossingbridge Advisors, LLC | 850K | $8.7M | —Held | Q2 2026 | |
| 5 | D. E. Shaw & Co., Inc. | 750K | $7.6M | ▲+650% Added · +650K sh | Q1 2026 | |
| 6 | Meteora Capital, LLC | 704K | $7.2M | ▼−11% Reduced · −90K sh | Q2 2026 | |
| 7 | Boothbay Fund Management, LLC | 638K | $6.5M | —Held | Q2 2026 | |
| 8 | DLD Asset Management, LP | 614K | $6.3M | ▼−4.2% Reduced · −27K sh | Q2 2026 | |
| 9 | Westchester Capital Management, LLC | 550K | $5.6M | —Held | Q2 2026 | |
| 10 | Shaolin Capital Management LLC | 339K | $3.5M | ▼−15% Reduced · −61K sh | Q2 2026 | |
| 11 | Toronto Dominion Bank | 325K | $3.3M | ▲New +325K sh | Q1 2026 | |
| 12 | Millennium Management LLC | 317K | $3.2M | ▲+14% Added · +39K sh | Q1 2026 | |
| 13 | First Trust Capital Management L.P. | 312K | $3.2M | —Held | Q2 2026 | |
| 14 | AQR Arbitrage LLC | 295K | $3.0M | ▲+0.9% Added · +3K sh | Q2 2026 | |
| 15 | Radcliffe Capital Management, L.P. | 295K | $3.0M | —Held | Q2 2026 | |
| 16 | Polar Asset Management Partners Inc. | 265K | $2.7M | ▲+10% Added · +25K sh | Q2 2026 | |
| 17 | Clear Street Group Inc. | 263K | Withheld | ▼−11% Reduced · −33K sh | Q2 2026 | |
| 18 | Quarry LP | 252K | $2.6M | —Held | Q2 2026 | |
| 19 | LMR Partners LLP | 207K | $2.1M | —Held | Q2 2026 | |
| 20 | Tenor Capital Management Co., L.P. | 200K | $2.0M | —Held | Q2 2026 | |
| 21 | Linden Advisors LP | 200K | $2.0M | —Held | Q1 2026 | |
| 22 | Magnetar Financial LLC | 195K | $2.0M | —Held | Q2 2026 | |
| 23 | Hudson Bay Capital Management LP | 150K | $1.5M | —Held | Q2 2026 | |
| 24 | Periscope Capital Inc. | 125K | $1.3M | —Held | Q2 2026 | |
| 25 | BNP Paribas Financial Markets | 108K | $1.1M | ▲+13% Added · +12K sh | Q1 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. 1 value row is withheld because the reported units disagree with same-security peers; share counts are unchanged.
Last quarter, 2 funds opened a new position in MCGA and 7 added to an existing one, while 3 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 | 29 funds | $167.3M |
| Cantor Equity Partners-CL ACEPV | 29 funds | $103.5M |
| Republic Digital Acquis-CL ARDAG | 28 funds | $164.4M |
| Wen Acquisition Corp-AWENN | 28 funds | $150.5M |
| Eqv Ventures Acquisition C-AEVAC | 27 funds | $204.7M |
| Procap Acquisition Corp - APCAP | 27 funds | $126.5M |
| Futurecrest Acquisition-CL AFCRS | 27 funds | $85.9M |
| Cantor Equity Partners VI -ACEPS | 27 funds | $39.4M |
| Soulpower Acquisition Co-ASOUL | 26 funds | $173.2M |
| Cal Redwood Acquisit-CL ACRAQ | 26 funds | $144.3M |
| Mountain Lake Acquisiti-CL AMLAA | 26 funds | $139.2M |
| Blue Water Acquisition C-ABLUW | 26 funds | $133.9M |
Ranked by how many of MCGA's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MCGA.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 25, 2025 | Rillo Troy | Chief Financial Officer | Buy (P) | 92K | $92K |
| Jun 30, 2025 | Angelo Mark | Director, 10% Owner | Buy (P) | 352K | — |
| Jun 30, 2025 | Yorkville Acquisition Sponsor LLC | 10% Owner | Buy (P) | 352K | — |
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 | 11 | 6 | – |
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 |
|---|---|---|
| MCGAthis pageSHS CL A | 44 funds | $123.3M |
| MCGAWWarrant | 29 funds | $5.3M |
| MCGAUUNIT 06/06/2030 | 6 funds | $4.9M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for MCGA
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/MCGA/capital-change-brief"
Use Arkolith's capital_change_brief for MCGA. 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 MCGA. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.