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738 hedge funds and large institutions have $15.3B invested in Pentair in 2025 Q2 according to their latest regulatory filings, with 92 funds opening new positions, 261 increasing their positions, 257 reducing their positions, and 73 closing their positions.

New
Increased
Maintained
Reduced
Closed

542% more call options, than puts

Call options by funds: $71.8M | Put options by funds: $11.2M

33% more funds holding in top 10

Funds holding in top 10: 34 (+1)

26% more first-time investments, than exits

New positions opened: 92 | Existing positions closed: 73

16% more capital invested

Capital invested by funds: $13.2B → $15.3B (+$2.1B)

2% more funds holding

Funds holding: 725738 (+13)

2% more repeat investments, than reductions

Existing positions increased: 261 | Existing positions reduced: 257

1.06% less ownership

Funds ownership: 91.42%90.36% (-1.1%)

Holders
738
Holders Change
+13
Holders Change %
+1.79%
% of All Funds
9.72%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.05%
New
92
Increased
261
Reduced
257
Closed
73
Calls
$71.8M
Puts
$11.2M
Net Calls
+$60.6M
Net Calls Change
+$12.8M
Name Holding Trade Value Shares
Change
Change in
Stake
ECM
101
Eisler Capital Management
United Kingdom
$16.4M -$11.9M -127,558 -44%
New York State Teachers Retirement System (NYSTRS)
102
New York State Teachers Retirement System (NYSTRS)
New York
$15.6M -$840 -9 -0%
Millennium Management
103
Millennium Management
New York
$15.4M -$33.6M -359,637 -71%
GAM
104
Gotham Asset Management
New York
$15.1M -$2.93M -31,332 -18%
Teacher Retirement System of Texas
105
Teacher Retirement System of Texas
Texas
$15.1M -$9.01M -96,539 -40%
Wellington Management Group
106
Wellington Management Group
Massachusetts
$14.8M -$35K -375 -0.3%
Qube Research & Technologies (QRT)
107
Qube Research & Technologies (QRT)
United Kingdom
$14.5M -$42.8M -458,048 -76%
AAF
108
Andra AP-fonden
Sweden
$14.1M +$299K +3,200 +2%
US Bancorp
109
US Bancorp
Minnesota
$14.1M -$25.3K -271 -0.2%
HSBC Holdings
110
HSBC Holdings
United Kingdom
$13.9M -$7.87M -84,316 -38%
RBI
111
Raiffeisen Bank International
Austria
$13M -$110K -1,174 -0.9%
PP
112
Prospector Partners
Connecticut
$12.9M -$444K -4,753 -4%
GIA
113
Gateway Investment Advisers
Ohio
$12.5M -$4.58K -49 -0%
TAM
114
Thematics Asset Management
France
$12.2M
GLA
115
Great Lakes Advisors
Illinois
$11.9M -$1.27M -13,635 -10%
UOC
116
UBS O'Connor
Illinois
$11.8M +$2.12M +22,705 +25%
VOYA Investment Management
117
VOYA Investment Management
Georgia
$11.8M -$250K -2,681 -2%
Verition Fund Management
118
Verition Fund Management
Connecticut
$11.4M -$17.7M -189,504 -63%
Brown Advisory
119
Brown Advisory
Maryland
$11.3M -$453K -4,855 -4%
SG
120
Sienna Gestion
France
$11.2M +$1.09M +11,684 +11%
Axa
121
Axa
France
$11.1M -$23.4M -250,665 -70%
SAM
122
Scopus Asset Management
New York
$11.1M +$309K +3,307 +3%
D.E. Shaw & Co
123
D.E. Shaw & Co
New York
$11.1M -$25.5M -273,446 -72%
GF
124
Gabelli Funds
New York
$11.1M
DB
125
Danske Bank
Denmark
$10.9M +$262K +2,804 +3%

PNR Hedge Fund Activity: Q2 2025 in Review

738 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Pentair (PNR) for Q2 2025, worth a combined $15.3B — up 16% from $13.2B a quarter earlier.

Buyers outnumbered sellers: 92 funds opened new PNR positions and 73 closed out — a net gain of 19 holders — while 261 added to existing stakes and 257 trimmed.

The largest buyer was T. Rowe Price Associates, adding an estimated $175M. The largest seller was Amundi, cutting an estimated $77M.

  • 738 institutional investors held Pentair (PNR) as of Q2 2025, up from 725 in Q1 2025.
  • Funds reported $15.3B of Pentair stock for Q2 2025, up 16% quarter-over-quarter.
  • 92 funds opened new Pentair positions in Q2 2025 and 73 closed out, a net change of +19 holders.
  • The largest Pentair buyer in Q2 2025 was T. Rowe Price Associates, an estimated $175M added.
  • The largest Pentair seller in Q2 2025 was Amundi, an estimated $77M sold.

Based on aggregated 13F filings for Q2 2025.