// company-profile
Waters Corp /de/
WATExchangeNYSESectorLaboratory Analytical InstrumentsInc.DEFilings108Insiders16
// api This Waters Corp /de/ insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Waters Corp /de/ insiders bought $0 (2 transactions) and sold $176K (2 transactions).
- Most active insider: Bennett Jianqing with 1 transaction totaling $92K.
- Largest single sale: $92K by Bennett Jianqing on Apr 6, 2026.
Activity is mixed — buys and sales are roughly balanced.
Institutional Ownership
Top 13F-HR holders of Waters Corp /de/ as of 2026-03-31
Total reported AUM
$24.57B
QoQ change
+29.8%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$1.90B
6.4M shares
#2
STATE STREET CORP
CIK 93751
$1.30B
4.4M shares
#3
BlackRock, Inc.
CIK 2012383
$1.01B
3.4M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 12, 2026 | Chaubal Amol | WAT | Tax Withholding | 239 | $352.21 | $84K |
| Apr 6, 2026 | Bennett Jianqing | WAT | Tax Withholding | 302 | $304.09 | $92K |
| Mar 31, 2026 | Knight Heather | WAT | Award | 68.44 | $0.00 | $0K |
| Mar 31, 2026 | Jiang Wei | WAT | Award | 64.06 | $0.00 | $0K |
| Mar 16, 2026 | Jiang Wei | WAT | Purchase | 500 | $289.46 | $145K |
45 more transactions hidden
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