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 AACIU 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/AACIU"
Use Arkolith to show who owns AACIU, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | ARISTEIA CAPITAL, L.L.C. | $16.5M | 1.7M | ▲New +1.7M sh | Q1 2026 | |
| 2 | Magnetar Financial LLC | $10.0M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 3 | LMR Partners LLP | $10.0M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 4 | Polar Asset Management Partners Inc. | $9.0M | 900K | ▲New +900K sh | Q1 2026 | |
| 5 | AQR Arbitrage LLC | $7.6M | 762K | ▲New +762K sh | Q1 2026 | |
| 6 | Alberta Investment Management Corp | $7.0M | 700K | ▲New +700K sh | Q1 2026 | |
| 7 | WHITEBOX ADVISORS LLC | $5.5M | 550K | ▲New +550K sh | Q1 2026 | |
| 8 | CSS LLC/IL | $5.0M | 500K | ▲New +500K sh | Q1 2026 | |
| 9 | Schonfeld Strategic Advisors LLC | $4.0M | 400K | ▲New +400K sh | Q1 2026 | |
| 10 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $3.2M | 321K | ▲New +321K sh | Q1 2026 | |
| 11 | READYSTATE ASSET MANAGEMENT LP | $2.0M | 200K | ▲New +200K sh | Q1 2026 | |
| 12 | Shaolin Capital Management LLC | $2.0M | 200K | ▲New +200K sh | Q1 2026 | |
| 13 | PICTON MAHONEY ASSET MANAGEMENT | $1.2M | 125K | ▲New +125K sh | Q1 2026 | |
| 14 | Clear Street Group Inc. | $351K | 35K | ▲New +35K 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 |
|---|---|---|---|---|---|
| Feb 19, 2026 | LURIO DOUGLAS M | See remarks, Director, 10% Owner | Other (J) | 345K | — |
| Feb 19, 2026 | HERBERT STEPHEN P | See Remarks, Director, 10% Owner | Other (J) | 345K | — |
| Feb 19, 2026 | Armada Sponsor III LLC | 10% Owner | Other (J) | 345K | — |
| Aug 12, 2025 | Armada Sponsor II LLC | 10% Owner | Other (J) | 7.9M | — |
| Aug 12, 2025 | HERBERT STEPHEN P | CEO, Director, 10% Owner | Sell (S) | 400K | — |
| Aug 12, 2025 | HERBERT STEPHEN P | CEO, Director, 10% Owner | Other (J) | 7.9M | — |
| Aug 12, 2025 | HERBERT STEPHEN P | CEO, Director, 10% Owner | Other (J) | 200K | — |
| Aug 12, 2025 | LURIO DOUGLAS M | Pres./CFO/Sec., Director, 10% Owner | Sell (S) | 400K | — |
| Aug 12, 2025 | LURIO DOUGLAS M | Pres./CFO/Sec., Director, 10% Owner | Other (J) | 200K | — |
| Aug 12, 2025 | LURIO DOUGLAS M | Pres./CFO/Sec., Director, 10% Owner | Other (J) | 7.9M | — |
| Aug 12, 2025 | Armada Sponsor II LLC | 10% Owner | Sell (S) | 400K | — |
| Aug 12, 2025 | Armada Sponsor II LLC | 10% Owner | Other (J) | 200K | — |
| Class | 13F holders | Value held |
|---|---|---|
| AACIUthis pageUNIT 02/13/2031 | 20 funds | $125.3M |
| AACIORD SHS CL A | 12 funds | $52.4M |
| AACIW*W EXP 02/13/203 | 9 funds | $726K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| INFLECTION POINT ACQUISITI-AIPCX | 14 funds | $72.7M |
| CARTESIAN GROWTH CORP I-CL ACGCT | 14 funds | $71.8M |
| CANTOR EQUITY PARTNERS-CL ACEPF | 14 funds | $64.4M |
| REPUBLIC DIGITAL ACQUIS-CL ARDAG | 14 funds | $60.6M |
| DIGITAL ASSET ACQUISITI-CL ADAAQ | 14 funds | $60.1M |
| WEN ACQUISITION CORP-AWENN | 14 funds | $58.1M |
| CAL REDWOOD ACQUISIT-CL ACRAQ | 14 funds | $55.4M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 14 funds | $41.0M |
| INFLECTION POINT ACQUISITIONIPCXR | 14 funds | $2.4M |
| M3-BRIGADE ACQUISITION -30MBAVW | 14 funds | $1.9M |
| ANDRETTI ACQUISITION CORP-29POLEW | 14 funds | $750K |
| NEW PROVIDENCE ACQ A -CW28NPACW | 14 funds | $674K |
Ranked by how many of AACIU'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 AACIU. 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.