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 XYL 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/XYL"
Use Arkolith to show who owns XYL, 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 | $1.5B | 12.8M | ▲New +12.8M sh | Q1 2026 | |
| 2 | STATE STREET CORP | $1.3B | 11.2M | ▼−0.5% Reduced · −60K sh | Q1 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $763.0M | 6.4M | ▲+0.8% Added · +52K sh | Q1 2026 | |
| 4 | Impax Asset Management Group plc | $548.0M | 4.6M | ▼−6.0% Reduced · −296K sh | Q1 2026 | |
| 5 | Mirova US LLC | $216.0M | 1.8M | ▼−3.9% Reduced · −74K sh | Q1 2026 | |
| 6 | VANGUARD FIDUCIARY TRUST CO | $163.8M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 7 | AVIVA PLC | $142.0M | 1.2M | ▲+60% Added · +447K sh | Q1 2026 | |
| 8 | Candriam S.C.A. | $116.5M | 975K | ▲+28% Added · +213K sh | Q1 2026 | |
| 9 | Champlain Investment Partners, LLC | $87.4M | 732K | ▼−13% Reduced · −112K sh | Q1 2026 | |
| 10 | Robeco Schweiz AG | $83.4M | 698K | ▼−8.5% Reduced · −65K sh | Q1 2026 | |
| 11 | Vontobel Holding Ltd. | $80.8M | 676K | ▼−17% Reduced · −138K sh | Q1 2026 | |
| 12 | DAVENPORT & Co LLC | $76.4M | 646K | ▼−3.3% Reduced · −22K sh | Q1 2026 | |
| 13 | STOREBRAND ASSET MANAGEMENT AS | $73.4M | 615K | ▲+1.1% Added · +7K sh | Q1 2026 | |
| 14 | Man Group plc | $69.2M | 579K | ▼−20% Reduced · −144K sh | Q1 2026 | |
| 15 | SEB Asset Management AB | $66.7M | 558K | ▲New +558K sh | Q1 2026 | |
| 16 | PARNASSUS INVESTMENTS, LLC | $63.9M | 535K | ▲+20% Added · +90K sh | Q1 2026 | |
| 17 | Universal- Beteiligungs- und Servicegesellschaft mbH | $58.7M | 491K | ▼−16% Reduced · −91K sh | Q1 2026 | |
| 18 | CITADEL ADVISORS LLC | $57.6M | 482K | ▲+242% Added · +341K sh | Q1 2026 | |
| 19 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | $55.0M | 460K | ▲+29% Added · +105K sh | Q1 2026 | |
| 20 | CREDIT AGRICOLE S A | $50.3M | 421K | ▼−19% Reduced · −96K sh | Q1 2026 | |
| 21 | WELCH & FORBES LLC | $49.5M | 414K | ▲+3.0% Added · +12K sh | Q1 2026 | |
| 22 | Gotham Asset Management, LLC | $49.2M | 412K | ▲+33% Added · +103K sh | Q1 2026 | |
| 23 | Crestwood Advisors Group, LLC | $48.4M | 405K | ▼−7.6% Reduced · −33K sh | Q1 2026 | |
| 24 | ABN AMRO INVESTMENT SOLUTIONS | $44.3M | 371K | ▲+53% Added · +128K sh | Q1 2026 | |
| 25 | Sequoia Financial Advisors, LLC | $43.7M | 365K | ▲+6.1% Added · +21K 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 |
|---|---|---|---|---|---|
| Mar 5, 2026 | Emmerich Meredith | EVP & Pres, AW | Tax withholding (F) | 158 | $20K |
| Mar 5, 2026 | Grogan William K | EVP & Chief Financial Officer | Tax withholding (F) | 641 | $81K |
| Mar 5, 2026 | McGann Michael J. | EVP & President, MCS | Tax withholding (F) | 238 | $30K |
| Mar 5, 2026 | Pine Matthew Francis | Pres. & CEO, Director | Tax withholding (F) | 2K | $233K |
| Mar 5, 2026 | Yarkadas Hayati | EVP & President, WI | Tax withholding (F) | 41 | $5K |
| Mar 5, 2026 | Toussaint Claudia S | EVP, CP&SO | Tax withholding (F) | 305 | $38K |
| Mar 5, 2026 | McShane Geri-Michelle | SVP, CAO | Tax withholding (F) | 64 | $8K |
| Mar 5, 2026 | Aulick Rodney | EVP & President, WSS | Tax withholding (F) | 234 | $30K |
| Mar 5, 2026 | Cho Albert | EVP, Strategy | Tax withholding (F) | 177 | $22K |
| Mar 5, 2026 | Cozad Stacy | EVP & Chief Legal Officer | Tax withholding (F) | 70 | $9K |
| Mar 2, 2026 | Cho Albert | EVP, Strategy | Tax withholding (F) | 371 | $48K |
| Mar 2, 2026 | Cho Albert | EVP, Strategy | Tax withholding (F) | 2K | $208K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 375 funds | $125.6B |
| NVIDIA CORPNVDA | 374 funds | $166.3B |
| ELI LILLY & COLLY | 374 funds | $31.9B |
| BROADCOM INCAVGO | 372 funds | $61.3B |
| APPLE INCAAPL | 370 funds | $143.1B |
| ALPHABET INC-CL AGOOGL | 370 funds | $81.5B |
| AMAZON.COM INCAMZN | 369 funds | $90.9B |
| VISA INC-CLASS A SHARESV | 369 funds | $27.8B |
| MASTERCARD INC - AMA | 369 funds | $21.9B |
| META PLATFORMS INC-CLASS AMETA | 366 funds | $49.8B |
| JPMORGAN CHASE & COJPM | 366 funds | $40.1B |
| COSTCO WHOLESALE CORPCOST | 365 funds | $21.8B |
Ranked by how many of XYL'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 XYL. 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.