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Of the 16 tracked institutions holding WAT, 10 have a 3-year clone track record — 7 of them beat the S&P. Average holder's clone alpha: +0.6pt. It's a gauge of who owns the name, not just how many.
Among the 16 tracked institutional investors we monitor, WAT (WATERS CORP) is held with a combined value of $9.36B across 29,376,261 shares. The largest holder is VANGUARD GROUP INC with a position worth $2.84B (0.04% of their portfolio). 3 funds opened new positions in the most recent quarter. 10 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$9.36B
Total Shares Held
29,376,261
Institutional Holders
16
% of Shares Outstanding
29.9%
of 98.19M shares · SEC 2026-05-06
Days to Cover
3.2-17.9%
3.70M shares short · FINRA 2026-06-30
Tracked 13F institutions hold 29.9% of WAT's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-05-06), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $2.84B | 0.04% | -2.4% |
| 2 | BlackRock, Inc. | $2.54B | 0.04% | +57.3% |
| 3 | STATE STREET CORP | $1.30B | 0.04% | +62.6% |
| 4 | Fundsmith LLP | $956.56M | 7.46% | -9.7% |
| 5 | VIKING GLOBAL INVESTORS LP | $374.17M | 1.05% | New |
| 6 | PRICE T ROWE ASSOCIATES INC /MD/ | $334.74M | 0.04% | +67.5% |
| 7 | AKO CAPITAL LLP | $243.28M | 4.76% | +8.4% |
| 8 | WELLINGTON MANAGEMENT GROUP LLP | $241.61M | 0.05% | +197.5% |
| 9 | FMR LLC | $149.74M | 0.01% | +214.0% |
| 10 | Point72 Asset Management, L.P. | $105.53M | 0.18% | +462.9% |
| Member | Type | Date |
|---|---|---|
| Gilbert Cisneros | Buy | Mar 18, 2026 |
| Thomas H. Jr. Kean | Sell | Mar 10, 2026 |
| Thomas H. Jr. Kean | Sell | Feb 13, 2026 |
| Debbie Dingell | exchange |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of WAT with a position worth $2.84B, representing 0.04% of their portfolio. In total, 16 institutional investors hold WAT with a combined value of $9.36B.
In the most recent quarter, 3 funds opened a new position in WAT. Additionally, 10 increased their holdings and 3 reduced their positions.
Institutional investors hold $9.36B worth of WAT stock across 16 positions. The largest institutional holder is VANGUARD GROUP INC with $2.84B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For WAT, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their WAT positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| Feb 10, 2026 |
| Kevin Hern | exchange | Feb 9, 2026 |
| Julia Letlow | Buy | Dec 8, 2025 |
| Gilbert Cisneros | Buy | Sep 30, 2025 |
| Gilbert Cisneros | Buy | Aug 26, 2025 |
Showing 8 of 17. STOCK Act disclosures lag up to 45 days.
Last Close
$374.68
2026-07-24
YTD
-1.9%
72% of 52-week range
