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 HSPTR 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/HSPTR"
Use Arkolith to show who owns HSPTR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $130K | 592K | —Held | Q1 2026 | |
| 2 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $117K | 405K | ▼−28% Reduced · −159K sh | Q1 2026 | |
| 3 | Polar Asset Management Partners Inc. | $116K | 525K | —Held | Q1 2026 | |
| 4 | BOOTHBAY FUND MANAGEMENT, LLC | $115K | 525K | ▼−8.7% Reduced · −50K sh | Q1 2026 | |
| 5 | AQR Arbitrage LLC | $91K | 414K | ▼−2.5% Reduced · −10K sh | Q1 2026 | |
| 6 | Hudson Bay Capital Management LP | $88K | 400K | —Held | Q1 2026 | |
| 7 | Shaolin Capital Management LLC | $81K | 368K | —Held | Q1 2026 | |
| 8 | Clear Street Group Inc. | $75K | 340K | ▲+63% Added · +132K 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 |
|---|---|---|
| HSPTRthis pageSPACS | 12 funds | $1.0M |
| HSPTORD SHS | 8 funds | $6.5M |
| G4627B129UNIT 11/04/2029 | 2 funds | $304K |
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 |
|---|---|---|
| ART TECHNOLOGY ACQUISIT-CL AARTC | 8 funds | $60.0M |
| CRANE HARBOR ACQUISITIO-CL ACRAN | 8 funds | $53.1M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 8 funds | $52.9M |
| HCM IV ACQUISITION CORPHACQU | 8 funds | $51.3M |
| DRUGS MADE IN AMERICA ACQUISDMAA | 8 funds | $49.0M |
| SIDDHI ACQUISITION CORP-ASDHI | 8 funds | $47.7M |
| ENHANCED GROUP INCENHA | 8 funds | $41.3M |
| D. BORAL ARC ACQUISIT - CL ABCAR | 8 funds | $38.7M |
| MOZAYYX ACQUISITION CORPMZYX/U | 8 funds | $38.1M |
| K&F GROWTH ACQUISITION COR-AKFII | 8 funds | $38.0M |
| CROWN RESERVE ACQUISITI-CL ACRAC | 8 funds | $36.0M |
| EQV VENTURES ACQUISITION C-AEVAC | 8 funds | $34.9M |
Ranked by how many of HSPTR'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 HSPTR. 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.