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 OPTX 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/OPTX"
Use Arkolith to show who owns OPTX, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | ARS Investment Partners, LLC | $396K | 56K | ▲New +56K sh | Q1 2026 | |
| 2 | VANGUARD FIDUCIARY TRUST CO | $262K | 37K | ▲New +37K sh | Q1 2026 | |
| 3 | STATE STREET CORP | $172K | 24K | ▼−43% Reduced · −18K sh | Q1 2026 | |
| 4 | CITADEL ADVISORS LLC | $99K | 14K | ▲New +14K sh | Q1 2026 | |
| 5 | McAdam, LLC | $98K | 14K | ▲New +14K sh | Q1 2026 | |
| 6 | Engineers Gate Manager LP | $98K | 14K | ▲New +14K sh | Q1 2026 | |
| 7 | Hudson Bay Capital Management LP | $75K | 11K | ▲New +11K sh | Q1 2026 | |
| 8 | SBI Securities Co., Ltd. | $29K | 4K | ▼−49% Reduced · −4K sh | Q1 2026 | |
| 9 | Steward Partners Investment Advisory, LLC | $9K | 1K | ▼−48% Reduced · −1K 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 |
|---|---|---|---|---|---|
| Feb 20, 2026 | Rosenthal Brent D | Director | Grant (A) | 25K | — |
| Feb 20, 2026 | Manzone Albert | Director | Grant (A) | 25K | — |
| Feb 20, 2026 | Bishop Walter A. | Director | Grant (A) | 25K | — |
| Oct 6, 2025 | Bishop Walter A. | Director | Grant (A) | 77K | — |
| Oct 6, 2025 | Manzone Albert | Director | Grant (A) | 77K | — |
| Oct 6, 2025 | Rosenthal Brent D | Director | Grant (A) | 77K | — |
| Class | 13F holders | Value held |
|---|---|---|
| OPTXthis pageEquity | 32 funds | $8.2M |
| OPTXWWTS | 8 funds | $1.3M |
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 |
|---|---|---|
| NVIDIA CORPNVDA | 7 funds | $5.4B |
| AMAZON.COM INCAMZN | 7 funds | $2.9B |
| APPLE INCAAPL | 7 funds | $2.7B |
| MICRON TECHNOLOGY INCMU | 7 funds | $1.9B |
| TESLA INCTSLA | 7 funds | $1.7B |
| ALPHABET INC-CL AGOOGL | 7 funds | $1.5B |
| META PLATFORMS INC-CLASS AMETA | 7 funds | $1.5B |
| BROADCOM INCAVGO | 7 funds | $1.5B |
| ALPHABET INC-CL CGOOG | 7 funds | $934.7M |
| NORFOLK SOUTHERN CORPNSC | 7 funds | $880.1M |
| BLACKROCK INCBLK | 7 funds | $734.0M |
| JOHNSON & JOHNSONJNJ | 7 funds | $713.0M |
Ranked by how many of OPTX'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 OPTX. 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.