Waters Corp
WAT
754 hedge funds and large institutions have $17.2B invested in Waters Corp in 2025 Q3 according to their latest regulatory filings, with 95 funds opening new positions, 230 increasing their positions, 303 reducing their positions, and 98 closing their positions.
0% more funds holding in top 10
Funds holding in top 10: 8 → 8 (0)
3% less first-time investments, than exits
New positions opened: 95 | Existing positions closed: 98
1.93% less ownership
Funds ownership: 98.18% → 96.25% (-1.9%)
2% less funds holding
Funds holding: 769 → 754 (-15)
16% less capital invested
Capital invested by funds: $20.4B → $17.2B (-$3.22B)
24% less repeat investments, than reductions
Existing positions increased: 230 | Existing positions reduced: 303
38% less call options, than puts
Call options by funds: $55M | Put options by funds: $89.3M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Mawer Investment Management
Calgary,
Alberta, Canada
|
+$324M |
| 2 |
Massachusetts Financial Services
Boston,
Massachusetts
|
+$249M |
| 3 |
VAM
Veritas Asset Management
London,
United Kingdom
|
+$176M |
| 4 |
Janus Henderson Group
London,
United Kingdom
|
+$119M |
| 5 |
Invesco
Atlanta,
Georgia
|
+$109M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
-$584M |
| 2 |
Bank of New York Mellon
New York
|
-$429M |
| 3 |
BlackRock
New York
|
-$150M |
| 4 |
Robeco Institutional Asset Management
Rotterdam,
Netherlands
|
-$147M |
| 5 |
JAM
Jupiter Asset Management
London,
United Kingdom
|
-$100M |
WAT Hedge Fund Activity: Q3 2025 in Review
754 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Waters Corp (WAT) for Q3 2025, worth a combined $17.2B — down 16% from $20.4B a quarter earlier.
Sellers outnumbered buyers: 98 funds closed out of WAT and 95 opened new positions — a net loss of 3 holders — while 303 trimmed existing stakes and 230 added.
The largest buyer was Mawer Investment Management, adding an estimated $324M. The largest seller was AllianceBernstein, cutting an estimated $584M.
- 754 institutional investors held Waters Corp (WAT) as of Q3 2025, down from 769 in Q2 2025.
- Funds reported $17.2B of Waters Corp stock for Q3 2025, down 16% quarter-over-quarter.
- 95 funds opened new Waters Corp positions in Q3 2025 and 98 closed out, a net change of -3 holders.
- The largest Waters Corp buyer in Q3 2025 was Mawer Investment Management, an estimated $324M added.
- The largest Waters Corp seller in Q3 2025 was AllianceBernstein, an estimated $584M sold.
Based on aggregated 13F filings for Q3 2025.