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 SNBR 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/SNBR"
Use Arkolith to show who owns SNBR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $10.4M | 1.2M | ▼−1.4% Reduced · −17K sh | Q4 2025 | |
| 2 | BlackRock, Inc. | $2.5M | 1.4M | ▼−4.8% Reduced · −69K sh | Q1 2026 | |
| 3 | JACOBS LEVY EQUITY MANAGEMENT, INC | $1.1M | 624K | ▲+0.6% Added · +4K sh | Q1 2026 | |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $936K | 521K | ▲+3.9% Added · +19K sh | Q1 2026 | |
| 5 | STATE STREET CORP | $815K | 454K | ▼−0.6% Reduced · −3K sh | Q1 2026 | |
| 6 | Invenomic Capital Management LP | $808K | 450K | ▼−7.0% Reduced · −34K sh | Q1 2026 | |
| 7 | Divisadero Street Capital Management, LP | $342K | 190K | ▲+22% Added · +34K sh | Q1 2026 | |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | $293K | 163K | ▲New +163K sh | Q1 2026 | |
| 9 | Engineers Gate Manager LP | $290K | 162K | ▲New +162K sh | Q1 2026 | |
| 10 | VANGUARD FIDUCIARY TRUST CO | $254K | 142K | ▲New +142K sh | Q1 2026 | |
| 11 | CastleKnight Management LP | $250K | 139K | —Held | Q1 2026 | |
| 12 | Point72 Asset Management, L.P. | $243K | 135K | ▲+498% Added · +113K sh | Q1 2026 | |
| 13 | Jain Global LLC | $206K | 115K | ▲+247% Added · +82K sh | Q1 2026 | |
| 14 | FMR LLC | $189K | 105K | ▼−95% Reduced · −2.0M sh | Q1 2026 | |
| 15 | GROUP ONE TRADING LLC | $109K | 61K | ▲+209% Added · +41K sh | Q1 2026 | |
| 16 | CITADEL ADVISORS LLC | $102K | 57K | ▲+17% Added · +8K sh | Q1 2026 | |
| 17 | PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | $81K | 45K | ▲+0.7% Added · +333 sh | Q1 2026 | |
| 18 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $63K | 35K | —Held | Q1 2026 | |
| 19 | Quadrature Capital Ltd | $38K | 21K | ▲+40% Added · +6K sh | Q1 2026 | |
| 20 | Jefferies Financial Group Inc. | $27K | 15K | ▲New +15K sh | Q1 2026 | |
| 21 | Schonfeld Strategic Advisors LLC | $26K | 14K | ▲New +14K sh | Q1 2026 | |
| 22 | Financial Engines Advisors L.L.C. | $25K | 14K | ▼−18% Reduced · −3K sh | Q1 2026 | |
| 23 | Centiva Capital, LP | $20K | 11K | ▲New +11K sh | Q1 2026 | |
| 24 | CWM, LLC | $15K | 8K | ▲+72% Added · +4K sh | Q1 2026 | |
| 25 | Police & Firemen's Retirement System of New Jersey | $12K | 7K | —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 |
|---|---|---|---|---|---|
| Jun 12, 2026 | Krusmark Christopher D | EVP, Retail & People Officer | Sell (S) | 3K | $2K |
| Mar 16, 2026 | Barra Melissa | EVP, Chief Sales & Services | Grant (A) | 56K | $0 |
| Mar 16, 2026 | Barra Melissa | EVP, Chief Sales & Services | Tax withholding (F) | 6K | $19K |
| Mar 16, 2026 | Findley Linda | President and CEO | Grant (A) | 279K | $0 |
| Mar 16, 2026 | Hellfeld Samuel R | EVP Chief Legal & Risk Officer | Grant (A) | 46K | $0 |
| Mar 16, 2026 | Hellfeld Samuel R | EVP Chief Legal & Risk Officer | Tax withholding (F) | 6K | $21K |
| Mar 16, 2026 | Krusmark Christopher D | EVP & Chief H.R. Officer | Tax withholding (F) | 3K | $11K |
| Mar 16, 2026 | Krusmark Christopher D | EVP & Chief H.R. Officer | Grant (A) | 33K | $0 |
| Mar 16, 2026 | Minson Amber | EVP, Chief Marketing Officer | Grant (A) | 33K | $0 |
| Mar 16, 2026 | Skogerboe Tanya C. | SVP, Chief Supply Chain | Grant (A) | 22K | $0 |
| Mar 16, 2026 | Skogerboe Tanya C. | SVP, Chief Supply Chain | Tax withholding (F) | 4K | $12K |
| Mar 16, 2026 | Baker Kelly F. | Principal Accounting Officer | Grant (A) | 6K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 30 funds | $7.6B |
| AMAZON.COM INCAMZN | 30 funds | $7.6B |
| BROADCOM INCAVGO | 30 funds | $5.2B |
| SALESFORCE INCCRM | 30 funds | $752.2M |
| NVIDIA CORPNVDA | 29 funds | $15.8B |
| META PLATFORMS INC-CLASS AMETA | 29 funds | $4.6B |
| MICRON TECHNOLOGY INCMU | 29 funds | $3.3B |
| ELI LILLY & COLLY | 29 funds | $2.1B |
| COSTCO WHOLESALE CORPCOST | 29 funds | $1.8B |
| MASTERCARD INC - AMA | 29 funds | $1.7B |
| CHEVRON CORPCVX | 29 funds | $1.6B |
| ADVANCED MICRO DEVICESAMD | 29 funds | $1.4B |
Ranked by how many of SNBR'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 SNBR. 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.