The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query MKLYU owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MKLYU"
Use Arkolith to show who owns MKLYU, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | LMR Partners LLP | $10.1M | 1.0M | —Held | Q1 2026 | |
| 2 | Westchester Capital Management, LLC | $1.4M | 143K | —Held | Q1 2026 | |
| 3 | Clear Street Group Inc. | $929K | 117K | ▼−69% Reduced · −266K sh | Q1 2026 | |
| 4 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $263K | 33K | ▲New +33K 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.
No Form 4 insider transactions on file yet.
| Class | 13F holders | Value held |
|---|---|---|
| MKLYSHSCL | 30 funds | $106.5M |
| MKLYRSPACS | 29 funds | $1.3M |
| MKLYUthis pageUnit | 8 funds | $16.3M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| ARMADA ACQUISITION -CLASS AXRPN | 6 funds | $21.0M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 6 funds | $16.4M |
| DRUGS MADE IN AMERICA ACQUISDMAA | 5 funds | $42.3M |
| GRAF GLOBAL CORP-CL AGRAF | 5 funds | $40.8M |
| PRAETORIAN ACQUISITION CORPPTORU | 5 funds | $38.8M |
| CARTESIAN GROWTH CORP I-CL ACGCT | 5 funds | $35.7M |
| ANDRETTI ACQUISITION CORP -APOLE | 5 funds | $33.8M |
| LIONHEART HOLDINGS - CL ACUB | 5 funds | $33.4M |
| D. BORAL ARC ACQUISIT - CL ABCAR | 5 funds | $33.1M |
| GP-ACT III ACQUISITION-AGPAT | 5 funds | $31.5M |
| ALDEL FINANCIAL II INCALDF | 5 funds | $31.4M |
| ROMAN DBDR ACQUISITION CORPDRDB | 5 funds | $31.3M |
Ranked by how many of MKLYU's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MKLYU. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.