XYLEM INC (XYL) Stock Institutional Trading Activity
XYLEM INC (XYL) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Mairs & Power Growth Fund, Parnassus Endeavor Fund, Sequoia Financial Advisors, and Cullen Value Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- XYLEM INC (XYL) stock institutional ownership
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2018 | Parnassus Endeavor Fund | Buy | 33,233 | 6,096,542 | $468,946 |
| Q1 2018 | Renaissance Technologies LLC | Buy | 22,400 | 67,800 | $5,215 |
| Q4 2017 | Parnassus Endeavor Fund | Buy | 48,919 | 6,063,309 | $413,518 |
| Q4 2017 | Sequoia Financial Advisors | Buy | 3,012 | 3,012 | $205 |
| Q4 2017 | First Eagle U.S. Value | Sell | -300 | 20,000 | $1,364 |
| Q3 2017 | Parnassus Endeavor Fund | Sell | -266,601 | 6,014,390 | $376,681 |
| Q3 2017 | First Eagle U.S. Value | Sell | -18,800 | 20,300 | $1,271 |
| Q2 2017 | Parnassus Endeavor Fund | Buy | 15,640 | 6,280,991 | $348,155 |
| Q2 2017 | Renaissance Technologies LLC | Sell | -1,293,400 | 45,400 | $2,517 |
| Q1 2017 | Parnassus Endeavor Fund | Sell | -2,802,381 | 6,265,351 | $306,859 |
| Q1 2017 | Renaissance Technologies LLC | Buy | 538,900 | 1,338,800 | $67,235 |
| Q4 2016 | Parnassus Endeavor Fund | Buy | 374,051 | 9,067,732 | $449,034 |
| Q4 2016 | Renaissance Technologies LLC | Buy | 188,000 | 799,900 | $39,611 |
| Q3 2016 | Parnassus Endeavor Fund | Sell | -15,278 | 8,693,681 | $455,984 |
| Q3 2016 | Olstein Capital Management | Sell | -2,000 | 69,000 | $3,619 |
| Q2 2016 | Parnassus Endeavor Fund | Sell | -2,600,210 | 8,708,959 | $388,855 |
| Q2 2016 | Olstein Capital Management | Sell | -42,000 | 71,000 | $3,170 |
| Q2 2016 | Renaissance Technologies LLC | Sell | -260,300 | 611,900 | $27,321 |
| Q1 2016 | Parnassus Endeavor Fund | Buy | 143,408 | 11,309,169 | $462,545 |
| Q1 2016 | Olstein Capital Management | Sell | -29,000 | 113,000 | $4,622 |
| Q1 2016 | Renaissance Technologies LLC | Buy | 610,303 | 872,200 | $35,673 |
| Q4 2015 | Parnassus Endeavor Fund | Buy | 18,837 | 11,165,761 | $407,550 |
| Q4 2015 | Olstein Capital Management | Sell | -16,000 | 142,000 | $5,183 |
| Q3 2015 | Parnassus Endeavor Fund | Buy | 1,000,300 | 11,146,924 | $351,643 |
| Q3 2015 | Olstein Capital Management | Buy | 14,600 | 158,000 | $5,190 |
| Q2 2015 | Parnassus Endeavor Fund | Buy | 918,846 | 10,146,624 | $376,135 |
| Q2 2015 | Olstein Capital Management | Sell | -47,600 | 143,400 | $5,316 |
| Q2 2015 | Renaissance Technologies LLC | Sell | -264,503 | 261,897 | $9,709 |
| Q1 2015 | Parnassus Endeavor Fund | Buy | 1,384,405 | 9,227,778 | $323,157 |
| Q1 2015 | Olstein Capital Management | Buy | 48,000 | 191,000 | $6,689 |
Frequently asked questions about XYL activity
Which institutional owners are buying XYL?
Institutional owners buying XYL include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in XYL activity?
"Buy" means an investor increased their reported position in XYL compared to the prior reporting period. This reflects growing exposure to XYLEM INC (XYL) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in XYL increasing?
Institutional interest in XYL can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.