Among active 13F managers last quarter, 30 opened and none reduced or exited; the largest holder to move was Magnetar Financial LLC (new position). No recent Form 4 insider filings for APMCU.
Funds lean in and no leg opposes.
33 tracked 13F filers disclose a position in APMCU as of the latest SEC 13F filings, a combined $71.6M 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 | Magnetar Financial LLC | 1.2M | $12.0M | ▲New +1.2M sh | Q2 2026 | |
| 2 | Wealthspring Capital LLC | 963K | $9.7M | ▲New +963K sh | Q2 2026 | |
| 3 | AQR Arbitrage LLC | 651K | $6.5M | ▲New +651K sh | Q2 2026 | |
| 4 | First Trust Capital Management L.P. | 631K | $6.3M | ▲New +631K sh | Q2 2026 | |
| 5 | Clear Street Group Inc. | 423K | $4.0M | ▲New +423K sh | Q2 2026 | |
| 6 | Shaolin Capital Management LLC | 406K | $4.1M | ▲New +406K sh | Q2 2026 | |
| 7 | Tudor Investment Corp Et Al | 315K | $3.2M | ▲New +315K sh | Q2 2026 | |
| 8 | Rivernorth Capital Management, LLC | 300K | $3.0M | ▲New +300K sh | Q2 2026 | |
| 9 | LMR Partners LLP | 250K | $2.5M | ▲New +250K sh | Q2 2026 | |
| 10 | Whitebox Advisors LLC | 200K | $2.0M | ▲New +200K sh | Q2 2026 | |
| 11 | Periscope Capital Inc. | 176K | $1.8M | ▲New +176K sh | Q2 2026 | |
| 12 | Aristeia Capital, L.L.C. | 150K | $1.5M | ▲New +150K sh | Q2 2026 | |
| 13 | Radcliffe Capital Management, L.P. | 150K | $1.5M | ▲New +150K sh | Q2 2026 | |
| 14 | Yakira Capital Management, Inc. | 150K | $1.5M | ▲New +150K sh | Q2 2026 | |
| 15 | Calamos Advisors LLC | 150K | $1.5M | ▲New +150K sh | Q2 2026 | |
| 16 | Moore Capital Management, LP | 130K | $1.3M | ▲New +130K sh | Q2 2026 | |
| 17 | Westchester Capital Management, LLC | 130K | $1.3M | ▲New +130K sh | Q2 2026 | |
| 18 | Gritstone Asset Management LLC | 125K | $1.3M | ▲New +125K sh | Q2 2026 | |
| 19 | Parallax Volatility Advisers, L.P. | 124K | $1.2M | ▲New +124K sh | Q2 2026 | |
| 20 | L1 Global Manager Pty Ltd | 75K | $753K | ▲New +75K sh | Q2 2026 | |
| 21 | Bulldog Investors, LLP | 75K | $753K | ▲New +75K sh | Q2 2026 | |
| 22 | Hartree Partners, LP | 75K | $750K | ▲New +75K sh | Q2 2026 | |
| 23 | DLD Asset Management, LP | 60K | $602K | ▲New +60K sh | Q2 2026 | |
| 24 | Schonfeld Strategic Advisors LLC | 49K | $493K | ▲New +49K sh | Q2 2026 | |
| 25 | Boothbay Fund Management, LLC | 40K | $402K | ▲New +40K sh | 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, 30 funds opened a new position in APMCU, while none reduced or exited. 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 |
|---|---|---|
| Cal Redwood Acquisit-CL ACRAQ | 22 funds | $76.4M |
| Quantum Leap Acqui Cor-CL AQLEP | 21 funds | $89.7M |
| Republic Digital Acquis-CL ARDAG | 21 funds | $88.0M |
| Andretti Acquisition Corp -APOLE | 20 funds | $107.2M |
| Aldel Financial II IncALDF | 20 funds | $99.3M |
| Wen Acquisition Corp-AWENN | 20 funds | $96.9M |
| Crane Harbor Acquisitio-CL ACRAN | 20 funds | $71.6M |
| Silverbox Corp IV-ASBXD | 20 funds | $65.3M |
| Cal Redwood Acquisition CorpCRAQR | 20 funds | $1.4M |
| Eqv Ventures Acquisition C-AEVAC | 19 funds | $108.5M |
| Launch Two Acquisition- CL ALPBB | 19 funds | $87.3M |
| Apex Treasury Corp-CL AAPXT | 19 funds | $87.0M |
Ranked by how many of APMCU's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in APMCU.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
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 | 0 | 0 | – |
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.
No filings captured for this ticker in the live stream yet.
Connected entities for APMCU
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/APMCU/capital-change-brief"
Use Arkolith's capital_change_brief for APMCU. 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 APMCU. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.