11 tracked 13F filers disclose a position in IRHOU as of the latest SEC 13F filings, a combined $35.1M 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 | LMR Partners LLP | $14.9M | 1.5M | —Held | Q1 2026 | |
| 2 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $6.0M | 602K | —Held | Q1 2026 | |
| 3 | TIG Advisors, LLC | $4.0M | 400K | —Held | Q1 2026 | |
| 4 | MILLENNIUM MANAGEMENT LLC | $3.0M | 300K | ▲+0.1% Added · +161 sh | Q1 2026 | |
| 5 | BlueCrest Capital Management Ltd | $1.7M | 175K | —Held | Q1 2026 | |
| 6 | Clear Street Group Inc. | $1.8M | 172K | ▲+280% Added · +127K sh | Q2 2026 | |
| 7 | Westchester Capital Management, LLC | $1.5M | 150K | —Held | Q1 2026 | |
| 8 | OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | $994K | 100K | ▲New +100K sh | Q4 2025 | |
| 9 | PRELUDE CAPITAL MANAGEMENT, LLC | $548K | 55K | ▲+10% Added · +5K sh | Q1 2026 | |
| 10 | TORONTO DOMINION BANK | $498K | 50K | ▲New +50K sh | Q1 2026 | |
| 11 | Lineage Point Capital LP | $165K | 17K | —Held | 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, 1 fund opened a new position in IRHOU and 2 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 |
|---|---|---|
| WARNER BROS DISCOVERY INCWBD | 7 funds | $1.7B |
| AMERICAN DRIVE ACQUISITION CADACU | 7 funds | $21.0M |
| HOLOGIC INCHO1 | 6 funds | $811.4M |
| AIR LEASE CORPAL | 6 funds | $343.2M |
| SEALED AIR CORPSDA | 6 funds | $241.9M |
| IDEA ACQUISITION CORPIACOU | 6 funds | $41.7M |
| SOREN ACQUISITION CORPSORNU | 6 funds | $34.4M |
| ALDABRA 4 LIQUIDITY OPPORTUNALOVU | 6 funds | $34.0M |
| LAUNCHPAD CADENZA ACQUISITIOLPCVU | 6 funds | $24.8M |
| FUTURECREST ACQUISITION CORPFCRS/U | 6 funds | $22.7M |
| ARCHIMEDES TECH SPAC PARTNERARCIU | 6 funds | $22.7M |
| BERTO ACQUISITION CORPTACO | 6 funds | $22.2M |
Ranked by how many of IRHOU'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 |
|---|---|---|
| IRHOEquity | 40 funds | $153.6M |
| IRHORSPACS | 37 funds | $2.2M |
| IRHOUthis pageUnit | 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 IRHOU
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/IRHOU/capital-change-brief"
Use Arkolith's capital_change_brief for IRHOU. 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 IRHOU. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.