Pentair
786 hedge funds and large institutions have $16B invested in Pentair in 2025 Q4 according to their latest regulatory filings, with 117 funds opening new positions, 239 increasing their positions, 283 reducing their positions, and 80 closing their positions.
80% more call options, than puts
Call options by funds: $116M | Put options by funds: $64.6M
46% more first-time investments, than exits
New positions opened: 117 | Existing positions closed: 80
3% more funds holding
Funds holding: 766 → 786 (+20)
0.87% more ownership
Funds ownership: 92.99% → 93.86% (+0.87%)
5% less capital invested
Capital invested by funds: $16.9B → $16B (-$889M)
16% less repeat investments, than reductions
Existing positions increased: 239 | Existing positions reduced: 283
33% less funds holding in top 10
Funds holding in top 10: 6 → 4 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
+$73.6M |
| 2 |
Nordea Investment Management
Stockholm,
Sweden
|
+$69.1M |
| 3 |
Morgan Stanley
New York
|
+$47.2M |
| 4 |
Squarepoint
New York
|
+$46.4M |
| 5 |
Northwestern Mutual Wealth Management
Milwaukee,
Wisconsin
|
+$43M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS AM
Chicago,
Illinois
|
-$66.8M |
| 2 |
Pictet Asset Management
Carouge,
Switzerland
|
-$60.4M |
| 3 |
Pacer Advisors
Malvern,
Pennsylvania
|
-$53.3M |
| 4 |
AQR Capital Management
Greenwich,
Connecticut
|
-$38.3M |
| 5 |
AllianceBernstein
Nashville,
Tennessee
|
-$32.3M |
PNR Hedge Fund Activity: Q4 2025 in Review
786 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Pentair (PNR) for Q4 2025, worth a combined $16B — down 5.3% from $16.9B a quarter earlier.
Buyers outnumbered sellers: 117 funds opened new PNR positions and 80 closed out — a net gain of 37 holders — while 239 added to existing stakes and 283 trimmed.
The largest buyer was Assenagon Asset Management, adding an estimated $73.6M. The largest seller was UBS AM, cutting an estimated $66.8M.
- 786 institutional investors held Pentair (PNR) as of Q4 2025, up from 766 in Q3 2025.
- Funds reported $16B of Pentair stock for Q4 2025, down 5.3% quarter-over-quarter.
- 117 funds opened new Pentair positions in Q4 2025 and 80 closed out, a net change of +37 holders.
- The largest Pentair buyer in Q4 2025 was Assenagon Asset Management, an estimated $73.6M added.
- The largest Pentair seller in Q4 2025 was UBS AM, an estimated $66.8M sold.
Based on aggregated 13F filings for Q4 2025.