This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/WAT/capital-change-brief"
Use Arkolith's capital_change_brief for WAT. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $2.5B | 8.5M | ▲+57% Added · +3.1M sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $1.9B | 6.4M | ▲New +6.4M sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.4B | 4.8M | ▲New +4.8M sh | Q1 2026 | |
| 4 | T. Rowe Price Investment Management, Inc. | Withheld | 4.7M | ▲35× Added · +4.5M sh | Q1 2026 | |
| 5 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $2.1B | 4.6M | ▲+76% Added · +2.0M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $1.3B | 4.4M | ▲+63% Added · +1.7M sh | Q1 2026 | |
| 7 | Fundsmith LLP | $956.6M | 3.2M | ▼−9.7% Reduced · −346K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $785.1M | 2.6M | ▲+66% Added · +1.1M sh | Q1 2026 | |
| 9 | ALLIANCEBERNSTEIN L.P. | $804.0M | 2.1M | ▲+2.4% Added · +50K sh | Q1 2026 | |
| 10 | JPMORGAN CHASE & CO | $579.0M | 2.0M | ▲+355% Added · +1.5M sh | Q1 2026 | |
| 11 | JANUS HENDERSON GROUP PLC | $488.0M | 1.6M | ▲+27% Added · +348K sh | Q1 2026 | |
| 12 | First Eagle Investment Management, LLC | $469.1M | 1.6M | ▲New +1.6M sh | Q1 2026 | |
| 13 | Mawer Investment Management Ltd. | $418.0M | 1.4M | ▲+8.1% Added · +105K sh | Q1 2026 | |
| 14 | VIKING GLOBAL INVESTORS LP | $374.2M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 15 | MORGAN STANLEY | $363.9M | 1.2M | ▲+70% Added · +503K sh | Q1 2026 | |
| 16 | Veritas Asset Management LLP | $357.6M | 1.2M | ▼−3.3% Reduced · −40K sh | Q1 2026 | |
| 17 | PRICE T ROWE ASSOCIATES INC /MD/ | $334.7M | 1.1M | ▲+67% Added · +453K sh | Q1 2026 | |
| 18 | FUNDSMITH INVESTMENT SERVICES LTD. | $326.6M | 1.1M | ▼−4.3% Reduced · −49K sh | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $310.4M | 1.0M | ▲+52% Added · +358K sh | Q1 2026 | |
| 20 | D. E. Shaw & Co., Inc. | $305.3M | 1.0M | ▲+191% Added · +673K sh | Q1 2026 | |
| 21 | PRINCIPAL FINANCIAL GROUP INC | $303.6M | 1.0M | ▲+17% Added · +148K sh | Q1 2026 | |
| 22 | Holocene Advisors, LP | $273.1M | 917K | ▲+123% Added · +505K sh | Q1 2026 | |
| 23 | BANK OF AMERICA CORP /DE/ | $251.2M | 844K | ▲+44% Added · +259K sh | Q1 2026 | |
| 24 | DIMENSIONAL FUND ADVISORS LP | $242.6M | 815K | ▲+61% Added · +308K sh | Q1 2026 | |
| 25 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $236.6M | 795K | ▲+61% Added · +301K 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 |
|---|---|---|---|---|---|
| Jun 30, 2026 | Knight Heather | Director | Grant (A) | 63 | $0 |
| Jun 30, 2026 | Jiang Wei | Director | Grant (A) | 67 | $0 |
| Jun 24, 2026 | Carpio Robert L III | SVP Waters Analytical Sciences | Tax withholding (F) | 189 | $70K |
| May 12, 2026 | Chaubal Amol | SVP & Chief Financial Officer | Tax withholding (F) | 239 | $84K |
| Apr 6, 2026 | Bennett Jianqing | SVP Waters Adv. Diagnostics | Tax withholding (F) | 302 | $92K |
| Mar 31, 2026 | Knight Heather | Director | Grant (A) | 68 | $0 |
| Mar 31, 2026 | Jiang Wei | Director | Grant (A) | 64 | $0 |
| Mar 16, 2026 | Jiang Wei | Director | Buy (P) | 500 | $145K |
| Mar 6, 2026 | FEARON RICHARD H | Director | Buy (P) | 1K | $306K |
| Mar 2, 2026 | Bennett Jianqing | SVP Waters Adv. Diagnostics | Tax withholding (F) | 410 | $126K |
| Mar 2, 2026 | Chaubal Amol | SVP & Chief Financial Officer | Tax withholding (F) | 709 | $218K |
| Mar 2, 2026 | Batra Udit | President and CEO, Director | Tax withholding (F) | 3K | $1.0M |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 352 funds | $291.2B |
| AMAZON.COM INCAMZN | 343 funds | $215.2B |
| ALPHABET INC-CL AGOOGL | 343 funds | $186.3B |
| META PLATFORMS INC-CLASS AMETA | 343 funds | $119.2B |
| APPLE INCAAPL | 342 funds | $298.8B |
| NVIDIA CORPNVDA | 338 funds | $391.2B |
| ALPHABET INC-CL CGOOG | 335 funds | $129.8B |
| ELI LILLY & COLLY | 333 funds | $80.2B |
| VISA INC-CLASS A SHARESV | 332 funds | $65.7B |
| MASTERCARD INC - AMA | 332 funds | $58.3B |
| JPMORGAN CHASE & COJPM | 331 funds | $74.7B |
| MERCK & CO. INC.MRK | 329 funds | $32.4B |
Ranked by how many of WAT'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 WAT. 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.