Among active 13F managers last quarter, 18 opened and 2 added, while 3 reduced; the largest holder to move was Linden Advisors LP (new position). No recent Form 4 insider filings for IRHOR.
Funds lean in and no leg opposes.
37 tracked 13F filers disclose a position in IRHOR as of the latest SEC 13F filings, a combined $2.1M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Magnetar Financial LLC | 1.5M | $241K | —Held | Q2 2026 | |
| 2 | Linden Advisors LP | 1.5M | $203K | ▲New +1.5M sh | Q1 2026 | |
| 3 | AQR Arbitrage LLC | 981K | $108K | ▲New +981K sh | Q1 2026 | |
| 4 | Picton Mahoney Asset Management | 900K | $145K | —Held | Q2 2026 | |
| 5 | Polar Asset Management Partners Inc. | 800K | $114K | ▲New +800K sh | Q1 2026 | |
| 6 | Wealthspring Capital LLC | 738K | $119K | ▲New +738K sh | Q2 2026 | |
| 7 | Radcliffe Capital Management, L.P. | 605K | $82K | ▲New +605K sh | Q1 2026 | |
| 8 | First Trust Capital Management L.P. | 587K | $83K | ▲New +587K sh | Q1 2026 | |
| 9 | Tenor Capital Management Co., L.P. | 548K | $88K | —Held | Q2 2026 | |
| 10 | BNP Paribas Financial Markets | 526K | $71K | —Held | Q1 2026 | |
| 11 | HGC Investment Management Inc. | 523K | $84K | ▲New +523K sh | Q2 2026 | |
| 12 | Meteora Capital, LLC | 446K | $54K | ▼−7.9% Reduced · −38K sh | Q1 2026 | |
| 13 | Context Capital Management, LLC | 400K | $64K | —Held | Q2 2026 | |
| 14 | Harraden Circle Investments, LLC | 389K | $63K | ▲New +389K sh | Q2 2026 | |
| 15 | Hudson Bay Capital Management LP | 379K | $42K | ▲New +379K sh | Q1 2026 | |
| 16 | Whitebox Advisors LLC | 350K | $56K | —Held | Q2 2026 | |
| 17 | Kryger Capital LLC | 344K | $55K | ▲+34% Added · +88K sh | Q2 2026 | |
| 18 | Heights Capital Management, Inc | 317K | $51K | ▼−32% Reduced · −153K sh | Q2 2026 | |
| 19 | Mangrove Partners Im, LLC | 301K | $48K | ▼−33% Reduced · −149K sh | Q2 2026 | |
| 20 | Toronto Dominion Bank | 289K | $41K | ▲New +289K sh | Q1 2026 | |
| 21 | Shaolin Capital Management LLC | 254K | $41K | ▲+1.7% Added · +4K sh | Q2 2026 | |
| 22 | Alberta Investment Management Corp | 250K | $40K | ▲New +250K sh | Q2 2026 | |
| 23 | Berkley W R Corp | 248K | $33K | ▲New +248K sh | Q1 2026 | |
| 24 | Sculptor Capital LP | 243K | $33K | ▲New +243K sh | Q1 2026 | |
| 25 | Commonwealth Of Pennsylvania Public School Empls Retrmt Sys | 200K | $27K | ▲New +200K 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. 1 value row is withheld because the reported units disagree with same-security peers; share counts are unchanged.
Last quarter, 18 funds opened a new position in IRHOR and 2 added to an existing one, while 3 reduced. 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 | Their position there |
|---|---|---|
| Cantor Equity Partners-CL ACEPF | 27 funds | $162.1M |
| Iron Horse Acquisitions CorpIRHO | 27 funds | $131.4M |
| Cantor Equity Partners-CL ACEPV | 26 funds | $106.3M |
| Cantor Equity Partners VI -ACEPS | 24 funds | $46.6M |
| Trailblazer Acquisition-CL ABLZR | 23 funds | $114.8M |
| Spring Valley Acquisitio-ASVIV | 23 funds | $83.4M |
| Meshflow Acquisition Co-CL AMESH | 22 funds | $146.0M |
| Inflection Point Acquisiti-AIPCX | 22 funds | $145.2M |
| Crane Harbor Acquisitio-CL ACRAN | 22 funds | $144.7M |
| Republic Digital Acquis-CL ARDAG | 22 funds | $133.0M |
| Jackson Acquisition Co-CL AJACS | 22 funds | $126.5M |
| Sizzle Acquisition Corp-CL ASZZL | 22 funds | $124.7M |
Ranked by how many of IRHOR's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in IRHOR.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 2 | 4 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
| Class | 13F holders | Value held |
|---|---|---|
| IRHOEquity | 40 funds | $153.6M |
| IRHORthis pageSPACS | 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 IRHOR
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.