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 YCY 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/YCY"
Use Arkolith to show who owns YCY, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Magnetar Financial LLC | $7.0M | 700K | ▲New +700K sh | Q1 2026 | |
| 2 | Westchester Capital Management, LLC | $5.7M | 572K | ▲+634% Added · +494K sh | Q1 2026 | |
| 3 | ARISTEIA CAPITAL, L.L.C. | $5.6M | 558K | —Held | Q1 2026 | |
| 4 | AQR Arbitrage LLC | $5.4M | 537K | ▼−3.0% Reduced · −17K sh | Q1 2026 | |
| 5 | WHITEBOX ADVISORS LLC | $5.0M | 500K | —Held | Q1 2026 | |
| 6 | Hudson Bay Capital Management LP | $4.0M | 400K | —Held | Q1 2026 | |
| 7 | Shaolin Capital Management LLC | $4.0M | 400K | —Held | Q1 2026 | |
| 8 | BlueCrest Capital Management Ltd | $4.0M | 400K | ▲New +400K sh | Q1 2026 | |
| 9 | MANGROVE PARTNERS IM, LLC | $2.7M | 267K | —Held | Q1 2026 | |
| 10 | Clear Street Group Inc. | $2.5M | 251K | ▼−3.1% Reduced · −8K sh | Q1 2026 | |
| 11 | First Trust Capital Management L.P. | $2.5M | 250K | —Held | Q1 2026 | |
| 12 | Context Capital Management, LLC | $2.0M | 200K | —Held | Q1 2026 | |
| 13 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $1.0M | 100K | —Held | Q1 2026 | |
| 14 | Karpus Management, Inc. | $664K | 66K | ▼−1.0% Reduced · −675 sh | Q1 2026 | |
| 15 | CSS LLC/IL | $504K | 50K | —Held | Q1 2026 | |
| 16 | BOOTHBAY FUND MANAGEMENT, LLC | $268K | 27K | ▼−2.0% Reduced · −541 sh | Q1 2026 | |
| 17 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $3K | 319 | ▼−100% Reduced · −737K 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 |
|---|---|---|---|---|---|
| Oct 9, 2025 | AA Mission Sponsor II | 10% Owner | Buy (P) | 13K | $131K |
| Oct 9, 2025 | Sun Qing Bill | Chief Executive Officer, Director, 10% Owner | Buy (P) | 26K | $263K |
| Oct 9, 2025 | Sun Qing Bill | Chief Executive Officer, Director, 10% Owner | Buy (P) | 13K | $131K |
| Oct 9, 2025 | AA Mission Sponsor II | 10% Owner | Buy (P) | 26K | $263K |
| Oct 2, 2025 | AA Mission Sponsor II | 10% Owner | Buy (P) | 334K | $3.3M |
| Oct 2, 2025 | AA Mission Sponsor II | 10% Owner | Buy (P) | 167K | $1.7M |
| Oct 2, 2025 | Sun Qing Bill | Chief Executive Officer, Director, 10% Owner | Buy (P) | 334K | $3.3M |
| Oct 2, 2025 | Sun Qing Bill | Chief Executive Officer, Director, 10% Owner | Buy (P) | 167K | $1.7M |
| Class | 13F holders | Value held |
|---|---|---|
| YCYthis pageORDSH | 27 funds | $72.7M |
| YCY/WSWarrant | 22 funds | $1.2M |
| YCY/UUnit | 4 funds | $4.3M |
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 |
|---|---|---|
| SOULPOWER ACQUISITION CO-ASOUL | 16 funds | $96.9M |
| PIONEER ACQUISITION I-CL APACH | 16 funds | $73.0M |
| D. BORAL ARC ACQUISIT - CL ABCAR | 16 funds | $69.0M |
| COLLECTIVE ACQUISITION CORPCCAQ | 16 funds | $64.0M |
| ARMADA ACQUISITION -CLASS AXRPN | 16 funds | $56.9M |
| CAL REDWOOD ACQUISIT-CL ACRAQ | 16 funds | $56.1M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 16 funds | $49.4M |
| DRUGS MADE IN AMERICA ACQUISDMII | 15 funds | $137.9M |
| EQV VENTURES ACQUISITION C-AEVAC | 15 funds | $79.7M |
| COPLEY ACQUISITION CORP-ACOPL | 15 funds | $75.7M |
| BLUE WATER ACQUISITION C-ABLUW | 15 funds | $57.9M |
| AXIOM INTELLIGENCE-CL AAXIN | 15 funds | $55.7M |
Ranked by how many of YCY'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 YCY. 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.