40 tracked 13F filers disclose a position in IRHO as of the latest SEC 13F filings, a combined $153.6M 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 | Magnetar Financial LLC | $15.0M | 1.5M | —Held | Q2 2026 | |
| 2 | LINDEN ADVISORS LP | $14.8M | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 3 | AQR Arbitrage LLC | $9.2M | 927K | ▲New +927K sh | Q1 2026 | |
| 4 | PICTON MAHONEY ASSET MANAGEMENT | $9.0M | 900K | —Held | Q2 2026 | |
| 5 | Polar Asset Management Partners Inc. | $7.9M | 800K | ▲New +800K sh | Q1 2026 | |
| 6 | CSS LLC/IL | $7.3M | 738K | ▲New +738K sh | Q1 2026 | |
| 7 | Wealthspring Capital LLC | $7.4M | 737K | ▲New +737K sh | Q2 2026 | |
| 8 | Radcliffe Capital Management, L.P. | $6.0M | 607K | ▲+0.6% Added · +4K sh | Q1 2026 | |
| 9 | First Trust Capital Management L.P. | $5.9M | 600K | ▲New +600K sh | Q1 2026 | |
| 10 | BNP PARIBAS FINANCIAL MARKETS | $5.7M | 581K | ▲New +581K sh | Q1 2026 | |
| 11 | TENOR CAPITAL MANAGEMENT Co., L.P. | $5.5M | 548K | —Held | Q2 2026 | |
| 12 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $5.1M | 504K | ▲+336% Added · +388K sh | Q2 2026 | |
| 13 | HEIGHTS CAPITAL MANAGEMENT, INC | $4.7M | 470K | —Held | Q2 2026 | |
| 14 | MANGROVE PARTNERS IM, LLC | $4.5M | 450K | —Held | Q2 2026 | |
| 15 | METEORA CAPITAL, LLC | $4.1M | 419K | ▲New +419K sh | Q1 2026 | |
| 16 | Context Capital Management, LLC | $4.0M | 400K | —Held | Q2 2026 | |
| 17 | Hudson Bay Capital Management LP | $3.7M | 379K | ▲New +379K sh | Q1 2026 | |
| 18 | Kryger Capital LLC | $3.8M | 378K | ▲+35% Added · +98K sh | Q2 2026 | |
| 19 | TWO SIGMA INVESTMENTS, LP | $3.6M | 363K | ▲New +363K sh | Q1 2026 | |
| 20 | WHITEBOX ADVISORS LLC | $3.5M | 350K | —Held | Q2 2026 | |
| 21 | HGC Investment Management Inc. | $3.0M | 298K | ▲New +298K sh | Q2 2026 | |
| 22 | Alberta Investment Management Corp | $2.5M | 250K | —Held | Q2 2026 | |
| 23 | Sculptor Capital LP | $2.5M | 250K | ▲New +250K sh | Q1 2026 | |
| 24 | BERKLEY W R CORP | $2.4M | 248K | ▲New +248K sh | Q1 2026 | |
| 25 | Shaolin Capital Management LLC | $2.1M | 209K | ▼−16% Reduced · −41K sh | Q2 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, 17 funds opened a new position in IRHO and 5 added to an existing one, while 1 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 ACEPV | 29 funds | $108.4M |
| CANTOR EQUITY PARTNERS-CL ACEPF | 28 funds | $138.7M |
| PIONEER ACQUISITION I-CL APACH | 27 funds | $111.9M |
| IRON HORSE ACQUISITI- RIGHTSIRHOR | 27 funds | $1.9M |
| CRANE HARBOR ACQUISITIO-CL ACRAN | 26 funds | $161.3M |
| REPUBLIC DIGITAL ACQUIS-CL ARDAG | 26 funds | $142.6M |
| SIZZLE ACQUISITION CORP-CL ASZZL | 26 funds | $134.4M |
| TRAILBLAZER ACQUISITION-CL ABLZR | 26 funds | $124.2M |
| CANTOR EQUITY PARTNERS VI -ACEPS | 26 funds | $40.6M |
| EQV VENTURES ACQUISITION C-AEVAC | 25 funds | $198.9M |
| MESHFLOW ACQUISITION CO-CL AMESH | 25 funds | $151.8M |
| SOULPOWER ACQUISITION CO-ASOUL | 25 funds | $145.5M |
Ranked by how many of IRHO'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 |
|---|---|---|
| IRHOthis pageEquity | 40 funds | $153.6M |
| IRHORSPACS | 37 funds | $2.2M |
| IRHOUUnit | 11 funds | $35.1M |
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.
Connected entities for IRHO
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/IRHO/capital-change-brief"
Use Arkolith's capital_change_brief for IRHO. 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 IRHO. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.