Waters Corporation
Waters Corporation (WAT) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · WAT · as of Sep 30, 2024
Ownership Breakdown
713
Institutional Holders
▲ 5 vs Q2
$20.31B
Total Inst. Value
▲ $3.80B vs Q2
65.18M
Shares Outstanding
freeFloat 99.88%
56.51M
13F Shares Held
▼ 418,161 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
WAT largest shareholders · institutional ownership
Q3 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC laboratory analytical instruments | 7.08M | 11.94% | 11.94% | $2.55T | Nov 13, 2024 | ▲ 57.6K |
BLACKROCK, INC. laboratory analytical instruments | 5.90M | 9.94% | 9.94% | $2.12T | Nov 13, 2024 | NEW |
FUNDSMITH LLP laboratory analytical instruments | 3.65M | 6.15% | 6.15% | $1.31T | Nov 14, 2024 | ▼ 8.5K |
STATE STREET CORP laboratory analytical instruments | 2.58M | 4.35% | 4.35% | $927.70B | Nov 14, 2024 | ▲ 49.2K |
ALLIANCEBERNSTEIN L.P. laboratory analytical instruments | 2.44M | 4.12% | 4.12% | $878.72B | Nov 14, 2024 | ▲ 85.8K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ laboratory analytical instruments | 2.14M | 3.61% | 3.61% | $769.77B | Nov 12, 2024 | ▼ 279.0K |
BANK OF NEW YORK MELLON CORP laboratory analytical instruments | 2.02M | 3.40% | 3.40% | $726.10B | Nov 12, 2024 | ▼ 58.7K |
GENERATION INVESTMENT MANAGEMENT LLP laboratory analytical instruments | 1.81M | 3.04% | 3.04% | $649.92B | Nov 14, 2024 | ▼ 5.6K |
GEODE CAPITAL MANAGEMENT, LLC laboratory analytical instruments | 1.42M | 2.39% | 2.39% | $508.12B | Nov 12, 2024 | ▲ 16.7K |
FUNDSMITH INVESTMENT SERVICES LTD. laboratory analytical instruments | 1.23M | 2.07% | 2.07% | $442.08B | Nov 14, 2024 | ▲ 741 |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2024 vs prior quarter
Q3 2024
30
Increased
+1.38M shares1
New Positions
first time holders19
Decreased
−1.39M shares0
Sold Out
fully exitedNet shares change (top 50)
9.1K
+1.38M / −1.39M
Net new holders
+12
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
WAT insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
2
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Chaubal Amol SVP & Chief Financial Officer | May 12, 2026 | Tax Withhold | 239 | $352.21 | $84.2K | 7.6K | Form 4 ↗ |
Bennett Jianqing SVP Waters Adv. Diagnostics | Apr 6, 2026 | Tax Withhold | 302 | $304.09 | $91.8K | 6.5K | Form 4 ↗ |
Jiang Wei director | Mar 31, 2026 | Award | 64.06 | — | — | 3.5K | Form 4 ↗ |
Knight Heather director | Mar 31, 2026 | Award | 68.44 | — | — | 1.2K | Form 4 ↗ |
Jiang Wei director | Mar 16, 2026 | Purchase | 500 | $289.46 | $144.7K | 3.4K | Form 4 ↗ |
FEARON RICHARD H director | Mar 6, 2026 | Purchase | 1,000 | $306.34 | $306.3K | 3.3K | Form 4 ↗ |
Batra Udit President and CEO | Mar 2, 2026 | Tax Withhold | 3,417 | $307.23 | $1.05M | 33.1K | Form 4 ↗ |
Chaubal Amol SVP & Chief Financial Officer | Mar 2, 2026 | Tax Withhold | 709 | $307.23 | $217.8K | 7.8K | Form 4 ↗ |
Bennett Jianqing SVP Waters Adv. Diagnostics | Mar 2, 2026 | Tax Withhold | 410 | $307.23 | $126.0K | 6.8K | Form 4 ↗ |
Carpio Robert L III SVP Waters Analytical Sciences | Feb 25, 2026 | Award | 4,884 | $319.44 | $1.56M | 4.9K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Waters Corporation (WAT) is primarily owned by institutional investors, who hold approximately 86.7% of total shares outstanding. Company insiders own approximately 0.12%, while retail and public investors account for the remaining 13.18%.
The largest institutional shareholder of Waters Corporation is VANGUARD GROUP INC, holding approximately 7.08 million shares — equal to 11.94% of outstanding shares — as of September 30, 2024.
A total of 713 institutional investors currently hold WAT stock, with a combined institutional value of approximately $20.31 billion as of the most recent 13F filing period.
Frequently asked questions
WAT ownershipWaters Corporation (WAT) is primarily owned by institutional investors, who hold approximately 86.7% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.94% stake. Company insiders hold 0.12%. Data sourced from SEC Form 13F as of September 30, 2024.