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 YHNA 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/YHNA"
Use Arkolith to show who owns YHNA, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Karpus Management, Inc. | $8.2M | 766K | ▼−0.2% Reduced · −1K sh | Q1 2026 | |
| 2 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $4.8M | 445K | —Held | Q1 2026 | |
| 3 | AQR Arbitrage LLC | $1.7M | 157K | ▼−6.1% Reduced · −10K sh | Q1 2026 | |
| 4 | Polar Asset Management Partners Inc. | $1.6M | 150K | ▼−0.1% Reduced · −100 sh | Q1 2026 | |
| 5 | Clear Street Group Inc. | $9K | 884 | ▲New +884 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 1, 2025 | Tominaga Satoshi | Insider | Sell (S) | 15K | $150 |
| Company | Co-held by | Combined value |
|---|---|---|
| GP-ACT III ACQUISITION-AGPAT | 5 funds | $58.0M |
| DRUGS MADE IN AMERICA ACQUISDMII | 5 funds | $55.1M |
| DRUGS MADE IN AMERICA ACQUISDMAA | 5 funds | $52.7M |
| KOCHAV DEFENSE ACQUISITION-AKCHV | 5 funds | $49.8M |
| LEGATO MERGER CORP IIILEGT | 5 funds | $48.0M |
| LIONHEART HOLDINGS - CL ACUB | 5 funds | $44.2M |
| SC II ACQUISITION CORP-CL ASCII | 5 funds | $43.4M |
| TAVIA ACQUISITION CORPTAVI | 5 funds | $42.8M |
| MOUNTAIN LAKE ACQUISITION-AMLAC | 5 funds | $42.8M |
| GIGCAPITAL8 CORP-AGIW | 5 funds | $42.4M |
| GRAF GLOBAL CORP-CL AGRAF | 5 funds | $37.8M |
| AI INFRASTRUCTURE AC-AAIIA | 5 funds | $37.1M |
Ranked by how many of YHNA's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for YHNA. 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.