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 WSR 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/WSR"
Use Arkolith to show who owns WSR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD PORTFOLIO MANAGEMENT LLC | $48.6M | 3.0M | ▲New +3.0M sh | Q1 2026 | |
| 2 | STATE STREET CORP | $29.9M | 1.9M | ▲+2.4% Added · +43K sh | Q1 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $19.4M | 1.2M | ▲+1.7% Added · +20K sh | Q1 2026 | |
| 4 | First Eagle Investment Management, LLC | $12.0M | 742K | ▲+4.1% Added · +29K sh | Q1 2026 | |
| 5 | CHILTON CAPITAL MANAGEMENT LLC | $10.9M | 674K | ▲+8.8% Added · +54K sh | Q1 2026 | |
| 6 | VANGUARD FIDUCIARY TRUST CO | $4.7M | 289K | ▲New +289K sh | Q1 2026 | |
| 7 | Larson Financial Group LLC | $4.4M | 275K | ▲+4.6% Added · +12K sh | Q1 2026 | |
| 8 | JACOBS LEVY EQUITY MANAGEMENT, INC | $4.4M | 273K | ▲+5.8% Added · +15K sh | Q1 2026 | |
| 9 | FMR LLC | $4.2M | 259K | ▲+15% Added · +34K sh | Q1 2026 | |
| 10 | PUBLIC SECTOR PENSION INVESTMENT BOARD | $2.6M | 161K | ▲+3.3% Added · +5K sh | Q1 2026 | |
| 11 | EXCHANGE TRADED CONCEPTS, LLC | $2.4M | 148K | ▼−5.3% Reduced · −8K sh | Q1 2026 | |
| 12 | Empirical Financial Services, LLC d.b.a. Empirical Wealth Ma | $2.2M | 134K | ▲+11% Added · +13K sh | Q1 2026 | |
| 13 | Kestra Advisory Services, LLC | $1.5M | 95K | ▲15× Added · +88K sh | Q1 2026 | |
| 14 | PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | $1.3M | 82K | ▲+78% Added · +36K sh | Q1 2026 | |
| 15 | INTECH INVESTMENT MANAGEMENT LLC | $1.2M | 76K | ▲+58% Added · +28K sh | Q1 2026 | |
| 16 | Engineers Gate Manager LP | $1.1M | 67K | ▲+37% Added · +18K sh | Q1 2026 | |
| 17 | STEPHENS INC /AR/ | $739K | 46K | ▲+16% Added · +6K sh | Q1 2026 | |
| 18 | EP Wealth Advisors, LLC | $709K | 44K | ▲+37% Added · +12K sh | Q1 2026 | |
| 19 | CITADEL ADVISORS LLC | $667K | 41K | ▲+54% Added · +14K sh | Q1 2026 | |
| 20 | MetLife Investment Management, LLC | $411K | 25K | ▲+8.6% Added · +2K sh | Q1 2026 | |
| 21 | Zurcher Kantonalbank (Zurich Cantonalbank) | $399K | 25K | —Held | Q1 2026 | |
| 22 | Point72 Asset Management, L.P. | $386K | 24K | ▲New +24K sh | Q1 2026 | |
| 23 | Eurizon Capital SGR S.p.A. | $356K | 22K | ▲New +22K sh | Q1 2026 | |
| 24 | Illinois Municipal Retirement Fund | $343K | 21K | ▼−13% Reduced · −3K sh | Q1 2026 | |
| 25 | Resona Asset Management Co.,Ltd. | $331K | 21K | ▲+7.3% Added · +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 |
|---|---|---|---|---|---|
| Jan 2, 2026 | TROPOLI PETER | General Counsel & Secretary | Grant (A) | 38K | $0 |
| Jan 2, 2026 | Siv Soklin | VP of Human Resources | Tax withholding (F) | 7K | $91K |
| Jan 2, 2026 | TROPOLI PETER | General Counsel & Secretary | Tax withholding (F) | 15K | $215K |
| Jan 2, 2026 | Siv Soklin | VP of Human Resources | Grant (A) | 24K | $0 |
| Jan 2, 2026 | Hogan John Scott | Chief Financial Officer | Grant (A) | 38K | $0 |
| Jan 2, 2026 | Hogan John Scott | Chief Financial Officer | Tax withholding (F) | 16K | $216K |
| Jan 2, 2026 | Mastandrea Christine J | President and COO | Grant (A) | 52K | $0 |
| Jan 2, 2026 | Holeman David K | Chief Executive Officer, Director | Tax withholding (F) | 35K | $487K |
| Jan 2, 2026 | Holeman David K | Chief Executive Officer, Director | Grant (A) | 88K | $0 |
| Dec 24, 2025 | Jones Jeffrey Alan | Director | Grant (A) | 6K | $87K |
| Dec 24, 2025 | Feng Amy Shih-Hua | Director | Grant (A) | 15K | $209K |
| Dec 24, 2025 | Buthman Julia Bruns | Director | Grant (A) | 13K | $173K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 56 funds | $28.0B |
| META PLATFORMS INC-CLASS AMETA | 56 funds | $15.5B |
| ALPHABET INC-CL AGOOGL | 55 funds | $18.6B |
| BROADCOM INCAVGO | 55 funds | $15.5B |
| ALPHABET INC-CL CGOOG | 55 funds | $15.0B |
| AMAZON.COM INCAMZN | 54 funds | $20.1B |
| JPMORGAN CHASE & COJPM | 54 funds | $8.3B |
| ELI LILLY & COLLY | 54 funds | $6.8B |
| EXXON MOBIL CORPXOM | 54 funds | $6.2B |
| MICRON TECHNOLOGY INCMU | 54 funds | $5.7B |
| VISA INC-CLASS A SHARESV | 54 funds | $5.2B |
| COSTCO WHOLESALE CORPCOST | 54 funds | $5.1B |
Ranked by how many of WSR'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 WSR. 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.