22 tracked 13F filers disclose a position in AACIU as of the latest SEC 13F filings, a combined $126.7M 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 | 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 | LINDEN ADVISORS LP | $14.0M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 3 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $11.0M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 4 | Magnetar Financial LLC | $10.0M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 5 | LMR Partners LLP | $10.0M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 6 | Polar Asset Management Partners Inc. | $9.0M | 900K | ▲New +900K sh | Q1 2026 | |
| 7 | AQR Arbitrage LLC | $7.6M | 762K | ▲New +762K sh | Q1 2026 | |
| 8 | Alberta Investment Management Corp | $7.0M | 700K | ▲New +700K sh | Q1 2026 | |
| 9 | MILLENNIUM MANAGEMENT LLC | $6.1M | 612K | ▲New +612K sh | Q1 2026 | |
| 10 | WHITEBOX ADVISORS LLC | $5.5M | 550K | ▲New +550K sh | Q1 2026 | |
| 11 | BNP PARIBAS FINANCIAL MARKETS | $5.4M | 538K | ▲New +538K sh | Q1 2026 | |
| 12 | CSS LLC/IL | $5.0M | 500K | ▲New +500K sh | Q1 2026 | |
| 13 | Schonfeld Strategic Advisors LLC | $4.0M | 400K | ▲New +400K sh | Q1 2026 | |
| 14 | HEIGHTS CAPITAL MANAGEMENT, INC | $3.6M | 365K | ▲New +365K sh | Q1 2026 | |
| 15 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $3.2M | 321K | ▲New +321K sh | Q1 2026 | |
| 16 | READYSTATE ASSET MANAGEMENT LP | $2.0M | 200K | ▲New +200K sh | Q1 2026 | |
| 17 | Shaolin Capital Management LLC | $2.0M | 200K | ▲New +200K sh | Q1 2026 | |
| 18 | Cable Car Capital, LP | $2.0M | 200K | ▲New +200K sh | Q1 2026 | |
| 19 | PICTON MAHONEY ASSET MANAGEMENT | $1.2M | 125K | ▲New +125K sh | Q1 2026 | |
| 20 | Lineage Point Capital LP | $1.2M | 125K | ▲New +125K sh | Q1 2026 | |
| 21 | Clear Street Group Inc. | $351K | 35K | ▲New +35K sh | Q1 2026 | |
| 22 | PenderFund Capital Management Ltd. | $160K | 16K | ▲New +16K 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.
Last quarter, 19 funds opened a new position in AACIU, while 0 reduced and 0 exited entirely — 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 | Combined value |
|---|---|---|
| INFLECTION POINT ACQUISITI-AIPCX | 18 funds | $93.4M |
| CANTOR EQUITY PARTNERS-CL ACEPF | 18 funds | $82.3M |
| REPUBLIC DIGITAL ACQUIS-CL ARDAG | 18 funds | $79.0M |
| CAMBRIDGE ACQUISITION CORPCAQUU | 18 funds | $71.3M |
| IDEA ACQUISITION CORPIACOU | 17 funds | $139.5M |
| MOZAYYX ACQUISITION CORPMZYX/U | 17 funds | $90.4M |
| CARTESIAN GROWTH CORP I-CL ACGCT | 17 funds | $83.4M |
| WEN ACQUISITION CORP-AWENN | 17 funds | $74.4M |
| TRAILBLAZER ACQUISITION-CL ABLZR | 17 funds | $63.9M |
| EQV VENTURES ACQUISITION C-AEVAC | 16 funds | $126.3M |
| TITAN ACQUISITION CORP-CL ATACH | 16 funds | $121.2M |
| HCM IV ACQUISITION CORPHACQU | 16 funds | $111.7M |
Ranked by how many of AACIU's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 12, 2025 | Armada Sponsor II LLC | 10% Owner | Sell (S) | 400K | — |
| Aug 12, 2025 | HERBERT STEPHEN P | CEO, Director, 10% Owner | Sell (S) | 400K | — |
| Aug 12, 2025 | LURIO DOUGLAS M | Pres./CFO/Sec., Director, 10% Owner | Sell (S) | 400K | — |
| Class | 13F holders | Value held |
|---|---|---|
| AACIUthis pageUNIT 02/13/2031 | 22 funds | $126.7M |
| AACIORD SHS CL A | 16 funds | $66.0M |
| AACIWWarrant | 13 funds | $925K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for AACIU
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/AACIU/capital-change-brief"
Use Arkolith's capital_change_brief for AACIU. 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 AACIU. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.