34 tracked 13F filers disclose a position in IRHO as of the latest SEC 13F filings, a combined $142.4M 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 | LINDEN ADVISORS LP | $14.8M | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 2 | Magnetar Financial LLC | $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 | $8.9M | 900K | ▲New +900K sh | Q1 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. | $5.4M | 548K | ▲New +548K sh | Q1 2026 | |
| 12 | HEIGHTS CAPITAL MANAGEMENT, INC | $4.6M | 470K | ▲New +470K sh | Q1 2026 | |
| 13 | MANGROVE PARTNERS IM, LLC | $4.4M | 450K | ▲New +450K sh | Q1 2026 | |
| 14 | METEORA CAPITAL, LLC | $4.1M | 419K | ▲New +419K sh | Q1 2026 | |
| 15 | Context Capital Management, LLC | $3.9M | 400K | ▲New +400K sh | Q1 2026 | |
| 16 | Ilex Capital Partners (UK) LLP | $3.9M | 400K | ▲New +400K sh | Q1 2026 | |
| 17 | Hudson Bay Capital Management LP | $3.7M | 379K | ▲New +379K sh | Q1 2026 | |
| 18 | TWO SIGMA INVESTMENTS, LP | $3.6M | 363K | ▲New +363K sh | Q1 2026 | |
| 19 | WHITEBOX ADVISORS LLC | $3.5M | 350K | ▲New +350K sh | Q1 2026 | |
| 20 | Shaolin Capital Management LLC | $2.5M | 250K | ▲New +250K sh | Q1 2026 | |
| 21 | Alberta Investment Management Corp | $2.5M | 250K | ▲New +250K sh | Q1 2026 | |
| 22 | Sculptor Capital LP | $2.5M | 250K | ▲New +250K sh | Q1 2026 | |
| 23 | BERKLEY W R CORP | $2.4M | 248K | ▲New +248K sh | Q1 2026 | |
| 24 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $2.0M | 200K | ▲New +200K sh | Q1 2026 | |
| 25 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $1.1M | 115K | ▲New +115K 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, 27 funds opened a new position in IRHO and 1 added to an existing one, 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 |
|---|---|---|
| SOULPOWER ACQUISITION CO-ASOUL | 17 funds | $109.4M |
| PIONEER ACQUISITION I-CL APACH | 17 funds | $75.6M |
| CAL REDWOOD ACQUISIT-CL ACRAQ | 17 funds | $68.8M |
| GALATA ACQU CORP II - CL ALATA | 17 funds | $65.8M |
| AXIOM INTELLIGENCE-CL AAXIN | 17 funds | $64.5M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 17 funds | $63.9M |
| DRUGS MADE IN AMERICA ACQUISDMII | 16 funds | $163.0M |
| EQV VENTURES ACQUISITION C-AEVAC | 16 funds | $123.6M |
| K&F GROWTH ACQUISITION COR-AKFII | 16 funds | $122.3M |
| INFLECTION POINT ACQUISITI-AIPCX | 16 funds | $100.4M |
| OYSTER ENTERPRISES II ACQ-AOYSE | 16 funds | $91.4M |
| LAUNCH TWO ACQUISITION- CL ALPBB | 16 funds | $90.7M |
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 | 34 funds | $142.4M |
| IRHORSPACS | 32 funds | $1.9M |
| IRHOUUnit | 14 funds | $40.6M |
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/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.