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 HACQU 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/HACQU"
Use Arkolith to show who owns HACQU, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | LMR Partners LLP | $14.0M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 2 | Polar Asset Management Partners Inc. | $14.0M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 3 | AQR Arbitrage LLC | $12.8M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 4 | Alberta Investment Management Corp | $10.0M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 5 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $10.0M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 6 | Magnetar Financial LLC | $10.0M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 7 | Hudson Bay Capital Management LP | $8.2M | 816K | ▲New +816K sh | Q1 2026 | |
| 8 | ARISTEIA CAPITAL, L.L.C. | $8.0M | 800K | ▲New +800K sh | Q1 2026 | |
| 9 | Context Capital Management, LLC | $7.5M | 750K | ▲New +750K sh | Q1 2026 | |
| 10 | TENOR CAPITAL MANAGEMENT Co., L.P. | $6.0M | 600K | ▲New +600K sh | Q1 2026 | |
| 11 | PEAK6 LLC | $5.0M | 500K | ▲New +500K sh | Q1 2026 | |
| 12 | PICTON MAHONEY ASSET MANAGEMENT | $5.0M | 500K | ▲New +500K sh | Q1 2026 | |
| 13 | First Trust Capital Management L.P. | $5.0M | 500K | ▲New +500K sh | Q1 2026 | |
| 14 | WHITEBOX ADVISORS LLC | $4.5M | 450K | ▲New +450K sh | Q1 2026 | |
| 15 | BlueCrest Capital Management Ltd | $3.5M | 350K | ▲New +350K sh | Q1 2026 | |
| 16 | Verition Fund Management LLC | $3.5M | 350K | ▲New +350K sh | Q1 2026 | |
| 17 | TIG Advisors, LLC | $2.5M | 250K | ▲New +250K sh | Q1 2026 | |
| 18 | HBK INVESTMENTS L P | $2.5M | 250K | ▲New +250K sh | Q1 2026 | |
| 19 | Shaolin Capital Management LLC | $2.1M | 205K | ▲New +205K sh | Q1 2026 | |
| 20 | Clear Street Group Inc. | $2.0M | 200K | ▲New +200K sh | Q1 2026 | |
| 21 | MOORE CAPITAL MANAGEMENT, LP | $2.0M | 200K | ▲New +200K sh | Q1 2026 | |
| 22 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $2.0M | 200K | ▲New +200K sh | Q1 2026 | |
| 23 | Ghisallo Capital Management LLC | $2.0M | 200K | ▲New +200K sh | Q1 2026 | |
| 24 | READYSTATE ASSET MANAGEMENT LP | $1.8M | 175K | ▲New +175K sh | Q1 2026 | |
| 25 | Calamos Advisors LLC | $1.5M | 148K | ▲New +148K 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.
No Form 4 insider transactions on file yet.
| Company | Co-held by | Combined value |
|---|---|---|
| CANTOR EQUITY PARTNERS-CL ACEPV | 26 funds | $79.3M |
| CANTOR EQUITY PARTNERS-CL ACEPF | 25 funds | $116.1M |
| CANTOR EQUITY PARTNERS III-ACAEP | 24 funds | $87.0M |
| IDEA ACQUISITION CORPIACOU | 23 funds | $147.6M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 23 funds | $147.4M |
| HCM III ACQUISITION COR-CL AHCMA | 22 funds | $93.0M |
| CANTOR EQUITY PARTNERS VI -ACEPS | 22 funds | $31.8M |
| DRUGS MADE IN AMERICA ACQUISDMII | 21 funds | $168.6M |
| EQV VENTURES ACQUISITION C-AEVAC | 21 funds | $154.0M |
| CAL REDWOOD ACQUISIT-CL ACRAQ | 21 funds | $89.6M |
| TRAILBLAZER ACQUISITION-CL ABLZR | 21 funds | $80.9M |
| SPARTACUS ACQU CORP IITMTSU | 21 funds | $73.5M |
Ranked by how many of HACQU's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for HACQU. 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.