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 SDHIR 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/SDHIR"
Use Arkolith to show who owns SDHIR, 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 | $371K | 1.8M | —Held | Q1 2026 | |
| 2 | ARISTEIA CAPITAL, L.L.C. | $353K | 1.6M | —Held | Q1 2026 | |
| 3 | TENOR CAPITAL MANAGEMENT Co., L.P. | $294K | 1.4M | —Held | Q1 2026 | |
| 4 | Polar Asset Management Partners Inc. | $289K | 1.4M | —Held | Q1 2026 | |
| 5 | AQR Arbitrage LLC | $279K | 1.3M | ▼−2.4% Reduced · −32K sh | Q1 2026 | |
| 6 | Verition Fund Management LLC | $255K | 1.2M | ▼−3.9% Reduced · −50K sh | Q1 2026 | |
| 7 | Alberta Investment Management Corp | $150K | 700K | —Held | Q1 2026 | |
| 8 | Hudson Bay Capital Management LP | $113K | 550K | —Held | Q1 2026 | |
| 9 | PICTON MAHONEY ASSET MANAGEMENT | $103K | 500K | —Held | Q1 2026 | |
| 10 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $100K | 484K | —Held | Q1 2026 | |
| 11 | Shaolin Capital Management LLC | $91K | 425K | —Held | Q1 2026 | |
| 12 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $86K | 400K | —Held | Q1 2026 | |
| 13 | MOORE CAPITAL MANAGEMENT, LP | $64K | 300K | —Held | Q1 2026 | |
| 14 | HBK INVESTMENTS L P | $62K | 300K | —Held | Q1 2026 | |
| 15 | Clear Street Group Inc. | $61K | 283K | ▼−2.6% Reduced · −8K sh | Q1 2026 | |
| 16 | Context Capital Management, LLC | $21K | 100K | —Held | Q1 2026 | |
| 17 | READYSTATE ASSET MANAGEMENT LP | $21K | 100K | —Held | Q1 2026 | |
| 18 | Schonfeld Strategic Advisors LLC | $18K | 89K | ▼−0.9% Reduced · −800 sh | Q1 2026 | |
| 19 | Centiva Capital, LP | $6K | 31K | ▲New +31K 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 |
|---|---|---|
| SDHIEquity | 37 funds | $218.1M |
| SDHIRthis pageSPACS | 28 funds | $4.4M |
| SDHIUUNIT 99/99/9999 | 4 funds | $13.4M |
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 |
|---|---|---|
| HIGHVIEW MERGER CORP - 30HVMCW | 19 funds | $1.3M |
| EQV VENTURES ACQUISITION C-AEVAC | 18 funds | $139.1M |
| GORES HOLDINGS X INC-CL AGTEN | 18 funds | $135.9M |
| SIDDHI ACQUISITION CORP-ASDHI | 18 funds | $126.4M |
| HCM IV ACQUISITION CORPHACQU | 18 funds | $108.9M |
| CANTOR EQUITY PARTNERS-CL ACEPF | 18 funds | $85.4M |
| CAL REDWOOD ACQUISIT-CL ACRAQ | 18 funds | $78.6M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 18 funds | $63.3M |
| AXIOM INTELLIGENCE-CL AAXIN | 18 funds | $60.8M |
| CAL REDWOOD ACQUISITION CORPCRAQR | 18 funds | $1.9M |
| AXIOM INTELLIGENCE ACQUISITIAXINR | 18 funds | $1.5M |
| PROCAP ACQ CORP A -30PCAPW | 18 funds | $873K |
Ranked by how many of SDHIR'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 SDHIR. 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.