The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query APXT owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/APXT"
Use Arkolith to show who owns APXT, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Hudson Bay Capital Management LP | $15.0M | 1.5M | ▲+29% Added · +338K sh | Q1 2026 | |
| 2 | Karpus Management, Inc. | $11.6M | 1.2M | ▲New +1.2M sh | Q1 2026 | |
| 3 | Westchester Capital Management, LLC | $10.0M | 1.0M | ▲+100% Added · +500K sh | Q1 2026 | |
| 4 | Magnetar Financial LLC | $8.5M | 850K | —Held | Q1 2026 | |
| 5 | TENOR CAPITAL MANAGEMENT Co., L.P. | $8.4M | 850K | —Held | Q1 2026 | |
| 6 | AQR Arbitrage LLC | $7.8M | 779K | ▲New +779K sh | Q1 2026 | |
| 7 | Polar Asset Management Partners Inc. | $7.5M | 750K | —Held | Q1 2026 | |
| 8 | Verition Fund Management LLC | $6.9M | 690K | ▼−31% Reduced · −310K sh | Q1 2026 | |
| 9 | First Trust Capital Management L.P. | $6.5M | 655K | ▼−23% Reduced · −195K sh | Q1 2026 | |
| 10 | Shaolin Capital Management LLC | $5.7M | 574K | ▼−12% Reduced · −76K sh | Q1 2026 | |
| 11 | ARISTEIA CAPITAL, L.L.C. | $5.5M | 550K | —Held | Q1 2026 | |
| 12 | PICTON MAHONEY ASSET MANAGEMENT | $5.0M | 500K | —Held | Q1 2026 | |
| 13 | MOORE CAPITAL MANAGEMENT, LP | $4.0M | 400K | —Held | Q1 2026 | |
| 14 | Centiva Capital, LP | $3.1M | 315K | ▲+46% Added · +100K sh | Q1 2026 | |
| 15 | WHITEBOX ADVISORS LLC | $3.0M | 300K | —Held | Q1 2026 | |
| 16 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $2.5M | 251K | ▲New +251K sh | Q1 2026 | |
| 17 | Parallax Volatility Advisers, L.P. | $2.4M | 236K | ▲New +236K sh | Q1 2026 | |
| 18 | Context Capital Management, LLC | $1.5M | 150K | —Held | Q1 2026 | |
| 19 | Schonfeld Strategic Advisors LLC | $994K | 100K | ▲+100% Added · +50K sh | Q1 2026 | |
| 20 | Dakota Wealth Management | $858K | 86K | ▲New +86K sh | Q1 2026 | |
| 21 | Clear Street Group Inc. | $803K | 81K | ▼−88% Reduced · −580K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 13, 2026 | Cochrane Hugh | Co-Chief Executive Officer, Director | Other (J) | 30K | $0 |
| Oct 29, 2025 | Apex Treasury Corp | Director, 10% Owner | Other (J) | 10K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| PIONEER ACQUISITION I-CL APACH | 22 funds | $91.9M |
| CSLM DIGITAL ASSET ACQU - AKOYN | 22 funds | $91.1M |
| HIGHVIEW MERGER CORP-CL AHVMC | 22 funds | $80.8M |
| D. BORAL ARC ACQUISIT - CL ABCAR | 22 funds | $70.5M |
| CHENGHE ACQUISITION II-CL ACHEC | 22 funds | $62.6M |
| DRUGS MADE IN AMERICA ACQUISDMII | 21 funds | $181.4M |
| SOULPOWER ACQUISITION CO-ASOUL | 21 funds | $124.8M |
| OYSTER ENTERPRISES II ACQ-AOYSE | 21 funds | $107.9M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 21 funds | $104.0M |
| OXLEY BRIDGE ACQUISITIO-CL AOBA | 21 funds | $99.5M |
| WEN ACQUISITION CORP-AWENN | 21 funds | $95.6M |
| CAL REDWOOD ACQUISIT-CL ACRAQ | 21 funds | $93.9M |
Ranked by how many of APXT's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for APXT. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.