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736 hedge funds and large institutions have $13.3B invested in Pentair in 2026 Q1 according to their latest regulatory filings, with 81 funds opening new positions, 230 increasing their positions, 290 reducing their positions, and 114 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.69% more ownership

Funds ownership: 93.93%94.62% (+0.69%)

6% less funds holding

Funds holding: 783736 (-47)

17% less capital invested

Capital invested by funds: $16B → $13.3B (-$2.65B)

21% less repeat investments, than reductions

Existing positions increased: 230 | Existing positions reduced: 290

22% less call options, than puts

Call options by funds: $50.7M | Put options by funds: $65.3M

29% less first-time investments, than exits

New positions opened: 81 | Existing positions closed: 114

50% less funds holding in top 10

Funds holding in top 10: 42 (-2)

Holders
736
Holders Change
-47
Holders Change %
-6%
% of All Funds
9.06%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
81
Increased
230
Reduced
290
Closed
114
Calls
$50.7M
Puts
$65.3M
Net Calls
-$14.6M
Net Calls Change
-$66.3M
Name Holding Trade Value Shares
Change
Change in
Stake
Calamos Advisors
101
Calamos Advisors
Illinois
$14.6M +$379K +3,865 +2%
BB
102
Busey Bank
Illinois
$14.3M +$182K +1,862 +1%
New York State Teachers Retirement System (NYSTRS)
103
New York State Teachers Retirement System (NYSTRS)
New York
$14.1M +$475K +4,845 +3%
Envestnet Asset Management
104
Envestnet Asset Management
Illinois
$13.8M -$29.1M -296,913 -65%
WorldQuant Millennium Advisors
105
WorldQuant Millennium Advisors
New York
$13.4M +$14.9M +151,595 +5,577%
State Board of Administration of Florida Retirement System
106
State Board of Administration of Florida Retirement System
Florida
$13.4M
Marshall Wace
107
Marshall Wace
United Kingdom
$13M +$9.71M +99,066 +196%
PL
108
Perpetual Ltd
Australia
$13M +$257K +2,621 +2%
LIP
109
Lighthouse Investment Partners
Florida
$13M +$6.46M +65,900 +79%
US Bancorp
110
US Bancorp
Minnesota
$12.1M -$347K -3,537 -2%
AIM
111
Achmea Investment Management
Netherlands
$12M -$271K -2,764 -2%
Bank of Montreal
112
Bank of Montreal
Ontario, Canada
$11.2M -$1.36M -13,863 -10%
SG
113
Sienna Gestion
France
$10.9M -$160K -1,637 -1%
IG
114
ING Group
Netherlands
$10.7M +$1.5M +15,357 +14%
GIA
115
Gateway Investment Advisers
Ohio
$10.7M +$35.9K +366 +0.3%
ET
116
Entropy Technologies
New York
$10.6M +$9.24M +94,275 +346%
Stifel Financial
117
Stifel Financial
Missouri
$10.1M -$5.47M -55,832 -33%
VA
118
Vident Advisory
Georgia
$10M +$5.8M +59,210 +106%
Alyeska Investment Group
119
Alyeska Investment Group
Illinois
$9.87M +$11.1M +113,289 New
AAF
120
Andra AP-fonden
Sweden
$9.74M -$9.23M -94,200 -46%
Schroder Investment Management Group
121
Schroder Investment Management Group
United Kingdom
$9.64M -$45.5M -463,944 -80%
GF
122
Gabelli Funds
New York
$9.38M
Adage Capital Partners
123
Adage Capital Partners
Massachusetts
$9.23M -$8.99M -91,700 -46%
Bank Julius Baer & Co
124
Bank Julius Baer & Co
Switzerland
$9M -$23.3M -238,292 -70%
Royal London Asset Management
125
Royal London Asset Management
United Kingdom
$8.96M