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WAT · Waters Corp /De/

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Market Cap
$40.63B
Shares
98.25M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 1,180
Total Value: $36,870,169,666
Total Shares: 98,366,534
Showing 1–100 of 1,193 holdings by value · page 1 of 12

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 1,180 13F filers · Δ vs Mar 31, 2026
Top Holder
8.6%
Sep 2023 → Jun 2026 · range 8.6% – 13.3%
−0.3 pts
Top 5
29.1%
Sep 2023 → Jun 2026 · range 29.1% – 41.5%
−1.3 pts
Top 10
44.3%
Sep 2023 → Jun 2026 · range 44.3% – 54.9%
−1.4 pts
HHI
273
Sep 2023 → Jun 2026 · range 273 – 458
Broadly held−13

Quarterly Activity

vs Mar 31, 2026
New
158
Increased
350
Decreased
482
Sold Out
157
Unchanged
190
Holder count: +1
Institutional value: +30.0%
Shares held: +3.3%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 1,193
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1000697 CUSIP 941848103 13F (30d) 678 filings 633 filers Visit website Investor relations