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 OPHC 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/OPHC"
Use Arkolith to show who owns OPHC, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | ALLIANCEBERNSTEIN L.P. | $2.5M | 584K | ▲+19% Added · +94K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $1.8M | 344K | ▲New +344K sh | Q1 2026 | |
| 3 | VANGUARD GROUP INC | $1.6M | 388K | ▲+0.5% Added · +2K sh | Q4 2025 | |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $635K | 125K | ▲+13% Added · +14K sh | Q1 2026 | |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $611K | 120K | ▼−51% Reduced · −127K sh | Q1 2026 | |
| 6 | MORGAN STANLEY | $510K | 100K | —Held | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $405K | 79K | ▼−21% Reduced · −21K sh | Q1 2026 | |
| 8 | DIMENSIONAL FUND ADVISORS LP | $355K | 71K | —Held | Q1 2026 | |
| 9 | LPL Financial LLC | $314K | 62K | ▲New +62K sh | Q1 2026 | |
| 10 | VANGUARD FIDUCIARY TRUST CO | $291K | 57K | ▲New +57K sh | Q1 2026 | |
| 11 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $161K | 32K | —Held | Q1 2026 | |
| 12 | NORTHERN TRUST CORP | $130K | 25K | ▼−19% Reduced · −6K sh | Q1 2026 | |
| 13 | BlackRock, Inc. | $126K | 25K | ▼−0.7% Reduced · −176 sh | Q1 2026 | |
| 14 | STATE STREET CORP | $58K | 11K | —Held | Q1 2026 | |
| 15 | WELLS FARGO & COMPANY/MN | $16K | 3K | —Held | Q1 2026 | |
| 16 | UBS Group AG | $3K | 563 | ▲43× Added · +550 sh | Q1 2026 | |
| 17 | OSAIC HOLDINGS, INC. | $510 | 100 | —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 |
|---|---|---|---|---|---|
| Feb 2, 2026 | Terry Timothy | PEO | Sell (S) | 39K | $186K |
| Jan 27, 2026 | Blisko Michael | Director | Other (J) | 531K | $0 |
| Jan 27, 2026 | Blisko Michael | Director | Other (J) | 65 | $0 |
| Dec 4, 2025 | Blisko Michael | Director | Sell (P) | 8K | $31K |
| Jun 11, 2025 | Gubin Moishe | Director | Buy (P) | 264 | $1K |
| Jun 10, 2025 | Gubin Moishe | Director | Buy (P) | 300 | $1K |
| Jun 9, 2025 | Gubin Moishe | Director | Buy (P) | 700 | $3K |
| Jul 16, 2024 | Blisko Michael | Director | Sell (S) | 1K | $4K |
| Nov 14, 2023 | Terry Timothy | PEO | Sell (S) | 9K | $28K |
| Nov 13, 2023 | Terry Timothy | PEO | Sell (S) | 13K | $41K |
| Nov 10, 2023 | Terry Timothy | PEO | Sell (S) | 44 | $141 |
| Jul 3, 2023 | Gubin Moishe | Director | Buy (P) | 2K | $5K |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 2 funds | $3.3B |
| AMAZON.COM INCAMZN | 2 funds | $1.7B |
| APPLE INCAAPL | 2 funds | $1.4B |
| META PLATFORMS INC-CLASS AMETA | 2 funds | $1.1B |
| BROADCOM INCAVGO | 2 funds | $1.0B |
| MICROSOFT CORPMSFT | 2 funds | $1.0B |
| ALPHABET INC-CL AGOOGL | 2 funds | $844.7M |
| TESLA INCTSLA | 2 funds | $802.3M |
| JPMORGAN CHASE & COJPM | 2 funds | $751.7M |
| ALPHABET INC-CL CGOOG | 2 funds | $707.3M |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 2 funds | $596.3M |
| MASTERCARD INC - AMA | 2 funds | $586.9M |
Ranked by how many of OPHC'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 OPHC. 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.