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WTS · Watts Water Technologies Inc

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Market Cap
$11.87B
Shares
33.38M

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: 580
Total Value: $10,624,293,499
Total Shares: 27,314,625
Showing 1–100 of 586 holdings by value · page 1 of 6

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 580 13F filers · Δ vs Mar 31, 2026
Top Holder
10.4%
Sep 2023 → Jun 2026 · range 10.4% – 15.7%
−3.5 pts
Top 5
31.4%
Sep 2023 → Jun 2026 · range 31.4% – 47.1%
−5.1 pts
Top 10
44.3%
Sep 2023 → Jun 2026 · range 44.3% – 59.3%
−6.0 pts
HHI
304
Sep 2023 → Jun 2026 · range 304 – 593
Broadly held−104

Quarterly Activity

vs Mar 31, 2026
New
118
Increased
175
Decreased
189
Sold Out
58
Unchanged
98
Holder count: +60
Institutional value: +38.0%
Shares held: +2.6%

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 586
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 795403 CUSIP 942749102 13F (30d) 385 filings 351 filers Visit website Investor relations