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 SSTK 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/SSTK"
Use Arkolith to show who owns SSTK, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | STATE STREET CORP | $17.7M | 1.1M | ▲+10% Added · +98K sh | Q1 2026 | |
| 2 | Invenomic Capital Management LP | $14.3M | 860K | ▲+17% Added · +125K sh | Q1 2026 | |
| 3 | RICE HALL JAMES & ASSOCIATES, LLC | $12.2M | 734K | ▲+7.3% Added · +50K sh | Q1 2026 | |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $12.1M | 728K | ▲+23% Added · +137K sh | Q1 2026 | |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $8.9M | 537K | ▲New +537K sh | Q1 2026 | |
| 6 | VANGUARD FIDUCIARY TRUST CO | $2.7M | 164K | ▲New +164K sh | Q1 2026 | |
| 7 | Universal- Beteiligungs- und Servicegesellschaft mbH | $1.7M | 104K | ▲+63% Added · +40K sh | Q1 2026 | |
| 8 | MANNING & NAPIER ADVISORS LLC | $1.7M | 100K | ▲New +100K sh | Q1 2026 | |
| 9 | PUBLIC SECTOR PENSION INVESTMENT BOARD | $1.4M | 86K | ▲+3.3% Added · +3K sh | Q1 2026 | |
| 10 | CSS LLC/IL | $1.4M | 84K | ▲New +84K sh | Q1 2026 | |
| 11 | EXCHANGE TRADED CONCEPTS, LLC | $1.3M | 81K | ▲+494% Added · +67K sh | Q1 2026 | |
| 12 | SEGALL BRYANT & HAMILL, LLC | $1.2M | 71K | ▼−0.1% Reduced · −89 sh | Q1 2026 | |
| 13 | Skandinaviska Enskilda Banken AB (publ) | $895K | 54K | ▲+100% Added · +27K sh | Q1 2026 | |
| 14 | CITADEL ADVISORS LLC | $884K | 53K | ▼−45% Reduced · −44K sh | Q1 2026 | |
| 15 | GROUP ONE TRADING LLC | $533K | 32K | ▲+4.4% Added · +1K sh | Q1 2026 | |
| 16 | NISA INVESTMENT ADVISORS, LLC | $368K | 22K | ▼−10% Reduced · −3K sh | Q1 2026 | |
| 17 | MOORE CAPITAL MANAGEMENT, LP | $332K | 20K | ▲+38% Added · +6K sh | Q1 2026 | |
| 18 | FMR LLC | $310K | 19K | ▼−29% Reduced · −7K sh | Q1 2026 | |
| 19 | MetLife Investment Management, LLC | $254K | 15K | —Held | Q1 2026 | |
| 20 | Illinois Municipal Retirement Fund | $207K | 12K | ▼−8.6% Reduced · −1K sh | Q1 2026 | |
| 21 | Vanguard Personalized Indexing Management, LLC | $202K | 12K | ▼−27% Reduced · −5K sh | Q1 2026 | |
| 22 | Police & Firemen's Retirement System of New Jersey | $109K | 7K | —Held | Q1 2026 | |
| 23 | OREGON PUBLIC EMPLOYEES RETIREMENT FUND | $92K | 6K | —Held | Q1 2026 | |
| 24 | Zurcher Kantonalbank (Zurich Cantonalbank) | $74K | 4K | ▼−52% Reduced · −5K sh | Q1 2026 | |
| 25 | Ameritas Investment Partners, Inc. | $34K | 2K | —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 |
|---|---|---|---|---|---|
| Dec 1, 2025 | Hennessy Paul J. | CHIEF EXECUTIVE OFFICER, Director | Grant (A) | 375K | $0 |
| Nov 3, 2025 | Powell Rikki | Chief Financial Officer | Option exercise (M) | 4K | $0 |
| Nov 3, 2025 | Powell Rikki | Chief Financial Officer | Option exercise (M) | 4K | $0 |
| Nov 3, 2025 | Powell Rikki | Chief Financial Officer | Tax withholding (F) | 1K | $37K |
| Jul 1, 2025 | Powell Rikki | Chief Financial Officer | Option exercise (M) | 2K | $0 |
| Jul 1, 2025 | Hennessy Paul J. | CHIEF EXECUTIVE OFFICER, Director | Option exercise (M) | 275K | $0 |
| Jul 1, 2025 | Hennessy Paul J. | CHIEF EXECUTIVE OFFICER, Director | Tax withholding (F) | 45K | $899K |
| Jul 1, 2025 | Hennessy Paul J. | CHIEF EXECUTIVE OFFICER, Director | Tax withholding (F) | 137K | $2.8M |
| Jul 1, 2025 | Hennessy Paul J. | CHIEF EXECUTIVE OFFICER, Director | Option exercise (M) | 275K | $0 |
| Jul 1, 2025 | Powell Rikki | Chief Financial Officer | Tax withholding (F) | 899 | $18K |
| Jul 1, 2025 | Powell Rikki | Chief Financial Officer | Option exercise (M) | 2K | $0 |
| Jul 1, 2025 | Hennessy Paul J. | CHIEF EXECUTIVE OFFICER, Director | Option exercise (M) | 88K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 45 funds | $19.4B |
| VERIZON COMMUNICATIONS INCVZ | 45 funds | $1.6B |
| AMAZON.COM INCAMZN | 44 funds | $13.9B |
| ALPHABET INC-CL AGOOGL | 44 funds | $12.8B |
| META PLATFORMS INC-CLASS AMETA | 44 funds | $8.7B |
| CHEVRON CORPCVX | 44 funds | $2.4B |
| SALESFORCE INCCRM | 44 funds | $1.5B |
| CVS HEALTH CORPCVS | 44 funds | $930.4M |
| EBAY INCEBAY | 44 funds | $447.6M |
| OTIS WORLDWIDE CORPOTIS | 44 funds | $217.9M |
| NVIDIA CORPNVDA | 43 funds | $28.2B |
| APPLE INCAAPL | 43 funds | $22.1B |
Ranked by how many of SSTK'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 SSTK. 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.