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 HYSR 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/HYSR"
Use Arkolith to show who owns HYSR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | GM Advisory Group, LLC | $1K | 60K | ▲New +60K sh | Q1 2026 | |
| 2 | Ancora Advisors LLC | $434 | 20K | —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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Nov 19, 2024 | Raney David W. | Director | Grant (A) | 10.0M | $0 |
| Nov 19, 2024 | Young Timothy Alan | CEO and Acting CFO, Director | Grant (A) | 150.0M | $0 |
| Nov 19, 2024 | Woosuk Kim | Chief Operating Officer, Director | Grant (A) | 100.0M | $0 |
| Nov 8, 2022 | Woosuk Kim | Chief Operating Officer, Director | Grant (A) | 50.0M | $0 |
| Nov 8, 2022 | Young Timothy Alan | CEO and Acting CFO, Director | Grant (A) | 100.0M | $0 |
| Jan 27, 2022 | Young Timothy Alan | CEO and Acting CFO, Director | Grant (A) | 1K | $0 |
| Jul 20, 2021 | Young Timothy Alan | CEO and Acting CFO, Director | Disposed to issuer (D) | 16.3M | $978K |
| Jul 20, 2021 | RICHARDSON MARK J | Director | Disposed to issuer (D) | 4.3M | $257K |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for HYSR. 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.