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 ONCHW 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/ONCHW"
Use Arkolith to show who owns ONCHW, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BOOTHBAY FUND MANAGEMENT, LLC | $136K | 13K | ▲+11% Added · +1K sh | Q1 2026 | |
| 2 | Jain Global LLC | $100K | 224K | —Held | Q1 2026 | |
| 3 | WHITEBOX ADVISORS LLC | $28K | 65K | —Held | Q1 2026 | |
| 4 | Context Capital Management, LLC | $28K | 63K | —Held | Q1 2026 | |
| 5 | TENOR CAPITAL MANAGEMENT Co., L.P. | $27K | 63K | —Held | Q1 2026 | |
| 6 | MOORE CAPITAL MANAGEMENT, LP | $27K | 63K | —Held | Q1 2026 | |
| 7 | HBK INVESTMENTS L P | $27K | 63K | —Held | Q1 2026 | |
| 8 | Verition Fund Management LLC | $26K | 60K | ▲+53% Added · +21K sh | Q1 2026 | |
| 9 | Shaolin Capital Management LLC | $24K | 57K | —Held | Q1 2026 | |
| 10 | Parallax Volatility Advisers, L.P. | $16K | 35K | ▲+99% Added · +17K sh | Q1 2026 | |
| 11 | Magnetar Financial LLC | $11K | 25K | —Held | Q1 2026 | |
| 12 | ARISTEIA CAPITAL, L.L.C. | $11K | 25K | —Held | Q1 2026 | |
| 13 | PICTON MAHONEY ASSET MANAGEMENT | $11K | 25K | —Held | Q1 2026 | |
| 14 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $9K | 22K | —Held | Q1 2026 | |
| 15 | Clear Street Group Inc. | $8K | 19K | ▼−26% Reduced · −7K sh | Q1 2026 | |
| 16 | AQR Arbitrage LLC | $8K | 19K | ▲+0.4% Added · +78 sh | Q1 2026 | |
| 17 | Alberta Investment Management Corp | $3K | 6K | —Held | Q1 2026 | |
| 18 | DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | $3K | 6K | —Held | 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 |
|---|---|---|
| ONCHUSDCL | 40 funds | $74.3M |
| ONCHWthis pageWarrant | 28 funds | $886K |
| ONCHUUnit | 14 funds | $36.4M |
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 |
|---|---|---|
| CANTOR EQUITY PARTNERS-CL ACEPF | 18 funds | $82.2M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 17 funds | $51.0M |
| 1RT ACQUISITION CORP-AONCH | 17 funds | $33.0M |
| EQV VENTURES ACQUISITION C-AEVAC | 16 funds | $122.1M |
| SIDDHI ACQUISITION CORP-ASDHI | 16 funds | $106.6M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 16 funds | $95.6M |
| PIONEER ACQUISITION I-CL APACH | 16 funds | $68.5M |
| TRAILBLAZER ACQUISITION-CL ABLZR | 16 funds | $67.5M |
| HIGHVIEW MERGER CORP-CL AHVMC | 16 funds | $66.7M |
| HCM III ACQUISITION COR-CL AHCMA | 16 funds | $62.7M |
| PROCAP ACQUISITION CORP - APCAP | 16 funds | $59.3M |
| FIGX CAPITAL ACQUISITION C-AFIGX | 16 funds | $43.1M |
Ranked by how many of ONCHW'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 ONCHW. 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.