Waters Corp
1,178 hedge funds and large institutions have $29.1B invested in Waters Corp in 2026 Q1 according to their latest regulatory filings, with 466 funds opening new positions, 576 increasing their positions, 108 reducing their positions, and 84 closing their positions.
455% more first-time investments, than exits
New positions opened: 466 | Existing positions closed: 84
433% more repeat investments, than reductions
Existing positions increased: 576 | Existing positions reduced: 108
46% more funds holding
Funds holding: 808 → 1,178 (+370)
33% more capital invested
Capital invested by funds: $21.9B → $29.1B (+$7.2B)
1% more call options, than puts
Call options by funds: $54.1M | Put options by funds: $53.5M
0.15% less ownership
Funds ownership: 96.86% → 96.71% (-0.15%)
18% less funds holding in top 10
Funds holding in top 10: 11 → 9 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$1.55B |
| 2 |
BlackRock
New York
|
+$1.06B |
| 3 |
Massachusetts Financial Services
Boston,
Massachusetts
|
+$686M |
| 4 |
State Street
Boston,
Massachusetts
|
+$574M |
| 5 |
First Eagle Investment Management
New York
|
+$539M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GAM
GuardCap Asset Management
London,
United Kingdom
|
-$178M |
| 2 |
Marshall Wace
London,
United Kingdom
|
-$121M |
| 3 |
Millennium Management
New York
|
-$121M |
| 4 |
Fundsmith LLP
London,
United Kingdom
|
-$118M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
-$62.8M |
WAT Hedge Fund Activity: Q1 2026 in Review
1,178 of the 8,206 institutional investors tracked by Wall St. Rank reported a position in Waters Corp (WAT) for Q1 2026, worth a combined $29.1B — up 33% from $21.9B a quarter earlier.
Buyers outnumbered sellers: 466 funds opened new WAT positions and 84 closed out — a net gain of 382 holders — while 576 added to existing stakes and 108 trimmed.
The largest buyer was T. Rowe Price Investment Management, adding an estimated $1.55B. The largest seller was GuardCap Asset Management, cutting an estimated $178M.
- 1,178 institutional investors held Waters Corp (WAT) as of Q1 2026, up from 808 in Q4 2025.
- Funds reported $29.1B of Waters Corp stock for Q1 2026, up 33% quarter-over-quarter.
- 466 funds opened new Waters Corp positions in Q1 2026 and 84 closed out, a net change of +382 holders.
- The largest Waters Corp buyer in Q1 2026 was T. Rowe Price Investment Management, an estimated $1.55B added.
- The largest Waters Corp seller in Q1 2026 was GuardCap Asset Management, an estimated $178M sold.
Based on aggregated 13F filings for Q1 2026.