32 tracked 13F filers disclose a position in IRHOR as of the latest SEC 13F filings, a combined $1.8M 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 | $203K | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 2 | Magnetar Financial LLC | $203K | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 3 | AQR Arbitrage LLC | $108K | 981K | ▲New +981K sh | Q1 2026 | |
| 4 | PICTON MAHONEY ASSET MANAGEMENT | $99K | 900K | ▲New +900K sh | Q1 2026 | |
| 5 | Polar Asset Management Partners Inc. | $114K | 800K | ▲New +800K sh | Q1 2026 | |
| 6 | Wealthspring Capital LLC | $119K | 738K | ▲New +738K sh | Q2 2026 | |
| 7 | Radcliffe Capital Management, L.P. | $82K | 605K | ▲New +605K sh | Q1 2026 | |
| 8 | First Trust Capital Management L.P. | $83K | 587K | ▲New +587K sh | Q1 2026 | |
| 9 | TENOR CAPITAL MANAGEMENT Co., L.P. | $78K | 548K | ▲New +548K sh | Q1 2026 | |
| 10 | BNP PARIBAS FINANCIAL MARKETS | $71K | 526K | —Held | Q1 2026 | |
| 11 | HEIGHTS CAPITAL MANAGEMENT, INC | $52K | 470K | ▲New +470K sh | Q1 2026 | |
| 12 | MANGROVE PARTNERS IM, LLC | $64K | 450K | ▲New +450K sh | Q1 2026 | |
| 13 | METEORA CAPITAL, LLC | $54K | 446K | ▼−7.9% Reduced · −38K sh | Q1 2026 | |
| 14 | Context Capital Management, LLC | $57K | 400K | ▲New +400K sh | Q1 2026 | |
| 15 | Ilex Capital Partners (UK) LLP | $57K | 400K | ▲New +400K sh | Q1 2026 | |
| 16 | Hudson Bay Capital Management LP | $42K | 379K | ▲New +379K sh | Q1 2026 | |
| 17 | WHITEBOX ADVISORS LLC | $50K | 350K | ▲New +350K sh | Q1 2026 | |
| 18 | TORONTO DOMINION BANK | $41K | 289K | ▲New +289K sh | Q1 2026 | |
| 19 | Shaolin Capital Management LLC | $36K | 250K | ▲New +250K sh | Q1 2026 | |
| 20 | BERKLEY W R CORP | $33K | 248K | ▲New +248K sh | Q1 2026 | |
| 21 | Sculptor Capital LP | $33K | 243K | ▲New +243K sh | Q1 2026 | |
| 22 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $27K | 200K | ▲New +200K sh | Q1 2026 | |
| 23 | Clear Street Group Inc. | $16K | 113K | ▲New +113K sh | Q1 2026 | |
| 24 | MOORE CAPITAL MANAGEMENT, LP | $14K | 100K | ▲New +100K sh | Q1 2026 | |
| 25 | CSS LLC/IL | Withheld | 74K | ▲New +74K 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, 24 funds opened a new position in IRHOR, 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 |
|---|---|---|
| IRON HORSE ACQUISITIONS CORPIRHO | 16 funds | $83.9M |
| TRAILBLAZER ACQUISITION-CL ABLZR | 16 funds | $69.1M |
| PIONEER ACQUISITION I-CL APACH | 16 funds | $66.4M |
| IRON HORSE ACQUISITION II COIRHOU | 16 funds | $451K |
| DRUGS MADE IN AMERICA ACQUISDMII | 15 funds | $136.2M |
| MESHFLOW ACQUISITION CO-CL AMESH | 15 funds | $111.5M |
| EQV VENTURES ACQUISITION C-AEVAC | 15 funds | $111.1M |
| SOULPOWER ACQUISITION CO-ASOUL | 15 funds | $95.0M |
| IDEA ACQUISITION CORPIACOU | 15 funds | $95.0M |
| OYSTER ENTERPRISES II ACQ-AOYSE | 15 funds | $81.3M |
| CANTOR EQUITY PARTNERS-CL ACEPF | 15 funds | $71.8M |
| REPUBLIC DIGITAL ACQUIS-CL ARDAG | 15 funds | $68.5M |
Ranked by how many of IRHOR'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 | 34 funds | $142.4M |
| IRHORthis pageSPACS | 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/IRHOR/capital-change-brief"
Use Arkolith's capital_change_brief for IRHOR. 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 IRHOR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.