51 tracked 13F filers disclose a position in IACOU as of the latest SEC 13F filings, a combined $267.1M 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 | Polar Asset Management Partners Inc. | $22.3M | 2.3M | ▲New +2.3M sh | Q1 2026 | |
| 2 | LINDEN ADVISORS LP | $17.3M | 1.8M | ▲New +1.8M sh | Q1 2026 | |
| 3 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $16.8M | 1.7M | ▲New +1.7M sh | Q1 2026 | |
| 4 | ARISTEIA CAPITAL, L.L.C. | $16.8M | 1.7M | ▲New +1.7M sh | Q1 2026 | |
| 5 | LMR Partners LLP | $14.9M | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 6 | AQR Arbitrage LLC | $14.0M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 7 | Hudson Bay Capital Management LP | $12.5M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 8 | Magnetar Financial LLC | $12.4M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 9 | Lineage Point Capital LP | $11.4M | 1.2M | ▲New +1.2M sh | Q1 2026 | |
| 10 | CANTOR FITZGERALD, L. P. | $10.4M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 11 | MILLENNIUM MANAGEMENT LLC | $9.9M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 12 | Calamos Advisors LLC | $8.9M | 900K | ▲New +900K sh | Q1 2026 | |
| 13 | TENOR CAPITAL MANAGEMENT Co., L.P. | $7.9M | 800K | ▲New +800K sh | Q1 2026 | |
| 14 | HGC Investment Management Inc. | $7.9M | 800K | ▲New +800K sh | Q1 2026 | |
| 15 | WHITEBOX ADVISORS LLC | $7.9M | 797K | ▲New +797K sh | Q1 2026 | |
| 16 | BNP PARIBAS FINANCIAL MARKETS | $5.8M | 585K | ▲New +585K sh | Q1 2026 | |
| 17 | TWO SIGMA INVESTMENTS, LP | $5.8M | 584K | ▲New +584K sh | Q1 2026 | |
| 18 | First Trust Capital Management L.P. | $5.0M | 500K | ▲New +500K sh | Q1 2026 | |
| 19 | JPMORGAN CHASE & CO | $4.9M | 490K | ▲New +490K sh | Q1 2026 | |
| 20 | Radcliffe Capital Management, L.P. | $3.6M | 365K | ▲New +365K sh | Q1 2026 | |
| 21 | TIG Advisors, LLC | $3.5M | 350K | ▲New +350K sh | Q1 2026 | |
| 22 | Schonfeld Strategic Advisors LLC | $3.3M | 335K | ▲New +335K sh | Q1 2026 | |
| 23 | Decagon Asset Management LLP | $3.2M | 318K | ▲New +318K sh | Q1 2026 | |
| 24 | Qube Research & Technologies Ltd | $3.0M | 300K | ▲New +300K sh | Q1 2026 | |
| 25 | Ghisallo Capital Management LLC | $3.0M | 300K | ▲New +300K 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, 41 funds opened a new position in IACOU, 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 |
|---|---|---|
| CANTOR EQUITY PARTNERS-CL ACEPF | 24 funds | $105.6M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 24 funds | $74.0M |
| HCM IV ACQUISITION CORPHACQU | 23 funds | $128.3M |
| CANTOR EQUITY PARTNERS III-ACAEP | 23 funds | $77.9M |
| PROCAP ACQUISITION CORP - APCAP | 23 funds | $72.9M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 22 funds | $122.0M |
| REPUBLIC DIGITAL ACQUIS-CL ARDAG | 22 funds | $97.8M |
| HIGHVIEW MERGER CORP-CL AHVMC | 22 funds | $87.2M |
| MESHFLOW ACQUISITION CORPMESHU | 22 funds | $20.2M |
| DRUGS MADE IN AMERICA ACQUISDMII | 21 funds | $166.8M |
| MOZAYYX ACQUISITION CORPMZYX/U | 21 funds | $100.9M |
| WEN ACQUISITION CORP-AWENN | 21 funds | $96.0M |
Ranked by how many of IACOU's institutional holders also hold each name, a cross-fund conviction signal.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
| Class | 13F holders | Value held |
|---|---|---|
| IACOUthis pageUnit | 51 funds | $267.1M |
| G4727U100ORD SHS CL A | 3 funds | $4.4M |
| G4727U118*W EXP 01/06/203 | 2 funds | $44K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
No filings captured for this ticker in the live stream yet.
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/IACOU/capital-change-brief"
Use Arkolith's capital_change_brief for IACOU. 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 IACOU. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.