732 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, 287 reducing their positions, and 116 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

22% less call options, than puts

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

30% less first-time investments, than exits

New positions opened: 81 | Existing positions closed: 116

50% less funds holding in top 10

Funds holding in top 10: 42 (-2)

Holders
732
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$50.7M
Puts
$65.3M
Net Calls
Net Calls Change

Top Buyers

1 +$374M
2 +$117M
3 +$61.7M
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
+$60.4M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$58.5M

Top Sellers

1 -$156M
2 -$120M
3 -$92.8M
4
1SP
140 Summer Partners
New York
-$63.2M
5
KBC Group
KBC Group
Belgium
-$58.5M
Name Holding Trade Value Shares
Change
Change in
Stake
Swiss National Bank
51
Swiss National Bank
Switzerland
$41.8M
Barclays
52
Barclays
United Kingdom
$40.1M
Northwestern Mutual Wealth Management
53
Northwestern Mutual Wealth Management
Wisconsin
$39.7M
Citadel Advisors
54
Citadel Advisors
Florida
$38.4M
Man Group
55
Man Group
United Kingdom
$37.3M
Mitsubishi UFJ Asset Management
56
Mitsubishi UFJ Asset Management
Japan
$35.4M
Russell Investments Group
57
Russell Investments Group
United Kingdom
$34.9M
SSA
58
Schonfeld Strategic Advisors
New York
$34.8M
ECSS
59
Eurizon Capital SGR SpA
$34.5M
Sumitomo Mitsui Trust Group
60
Sumitomo Mitsui Trust Group
Japan
$33.7M
KBC Group
61
KBC Group
Belgium
$33.6M
Treasurer of the State of North Carolina
62
Treasurer of the State of North Carolina
North Carolina
$31.3M
VGA
63
Vanguard Global Advisers
Pennsylvania
$31.1M
DDPIC
64
Deroy & Devereaux Private Investment Counsel
Michigan
$30.7M
RhumbLine Advisers
65
RhumbLine Advisers
Massachusetts
$29.1M
Renaissance Technologies
66
Renaissance Technologies
New York
$28.7M
Assenagon Asset Management
67
Assenagon Asset Management
Luxembourg
$26.6M
RS
68
Robeco Schweiz
Switzerland
$25.5M
Aviva
69
Aviva
United Kingdom
$25.4M
VAM
70
Vanguard Asset Management
$25.4M
Wells Fargo
71
Wells Fargo
California
$25M
Royal Bank of Canada
72
Royal Bank of Canada
Ontario, Canada
$24.5M
California State Teachers Retirement System (CalSTRS)
73
California State Teachers Retirement System (CalSTRS)
California
$22.9M
EAM
74
Eventide Asset Management
Massachusetts
$22.5M
Vontobel Holding
75
Vontobel Holding
Switzerland
$22.4M