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 VHCPU 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/VHCPU"
Use Arkolith to show who owns VHCPU, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Empyrean Capital Partners, LP | $9.5M | 950K | —Held | Q1 2026 | |
| 2 | LMR Partners LLP | $8.0M | 800K | —Held | Q1 2026 | |
| 3 | Parallax Volatility Advisers, L.P. | $5.1M | 513K | ▲+411% Added · +413K sh | Q1 2026 | |
| 4 | Calamos Advisors LLC | $2.0M | 197K | —Held | Q1 2026 | |
| 5 | Waratah Capital Advisors Ltd. | $1.0M | 100K | —Held | Q1 2026 | |
| 6 | Clear Street Group Inc. | $183K | 18K | ▼−91% Reduced · −182K sh | Q1 2026 | |
| 7 | CITADEL ADVISORS LLC | $124K | 12K | ▼−23% Reduced · −4K sh | Q1 2026 | |
| 8 | Magnetar Financial LLC | $90 | 9 | ▼−100% Reduced · −602K 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 |
|---|---|---|---|---|---|
| Dec 19, 2025 | Petruska Nicholas A | CEO, MM of Vine Hill Spn II, Director, 10% Owner | Buy (P) | 5.5M | — |
| Company | Co-held by | Combined value |
|---|---|---|
| CANTOR EQUITY PARTNERS-CL ACEPF | 22 funds | $97.8M |
| PROCAP ACQUISITION CORP - APCAP | 20 funds | $75.8M |
| EQV VENTURES ACQUISITION C-AEVAC | 19 funds | $109.7M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 19 funds | $96.9M |
| BTC DEVELOPMENT CORP-CL ABDCI | 19 funds | $83.9M |
| D. BORAL ARC ACQUISIT - CL ABCAR | 19 funds | $80.6M |
| ARMADA ACQUISITION -CLASS AXRPN | 19 funds | $78.2M |
| CAL REDWOOD ACQUISIT-CL ACRAQ | 19 funds | $77.1M |
| CANTOR EQUITY PARTNERS III-ACAEP | 19 funds | $70.9M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 19 funds | $53.5M |
| COHEN CIRCLE ACQUISIT II - ACCII | 19 funds | $48.8M |
| CANTOR EQUITY PARTNERS VI -ACEPS | 19 funds | $24.6M |
Ranked by how many of VHCPU'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 VHCPU. 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.