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Waters Corp
WAT

1,174 hedge funds and large institutions have $29.1B invested in Waters Corp in 2026 Q1 according to their latest regulatory filings, with 464 funds opening new positions, 573 increasing their positions, 109 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed

459% more first-time investments, than exits

New positions opened: 464 | Existing positions closed: 83

426% more repeat investments, than reductions

Existing positions increased: 573 | Existing positions reduced: 109

45% more funds holding

Funds holding: 807 → 1,174 (+367)

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

0.21% less ownership

Funds ownership: 96.91% → 96.71% (-0.21%)

18% less funds holding in top 10

Funds holding in top 10: 11 → 9 (-2)

Holders
1,174
Holders Change
+367
Holders Change %
+45.48%
% of All Funds
14.37%
Holding in Top 10
9
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-18.18%
% of All Funds
0.11%
New
464
Increased
573
Reduced
109
Closed
83
Calls
$54.1M
Puts
$53.5M
Net Calls
+$603K
Net Calls Change
+$25.9M

Top Buyers

Rank Fund Capital Flow
1
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$1.55B
2
BlackRock
BlackRock
New York
+$1.06B
3
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
+$686M
4
State Street
State Street
Massachusetts
+$574M
5
First Eagle Investment Management
First Eagle Investment Management
New York
+$539M

Top Sellers

Rank Fund Capital Flow
1
GAM
GuardCap Asset Management
United Kingdom
-$178M
2
Marshall Wace
Marshall Wace
United Kingdom
-$121M
3
Millennium Management
Millennium Management
New York
-$121M
4
Fundsmith LLP
Fundsmith LLP
United Kingdom
-$118M
5
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$62.8M
Name Holding Trade Value Shares
Change 		Change in
Stake
NRG
1101
Nemes Rush Group
Michigan
$2.19K +$1.03K +3 +75%
FFL
1102
Financial Freedom LLC
Ohio
$2.08K +$2.4K +7 New
MIM
1103
MTM Investment Management
South Carolina
$2.08K +$2.4K +7 New
WA
1104
WPG Advisers
Maryland
$2.08K +$2.4K +7 New
PWM
1105
Proathlete Wealth Management
Florida
$2.08K +$684 +2 +40%
PCM
1106
Penserra Capital Management
California
$2K +$1.03K +3 +50%
HB
1107
Horizon Bancorp
Indiana
$2K +$2.4K +7 New
SFG
1108
Strive Financial Group
Indiana
$2K +$2.74K +8 New
HFS
1109
Hughes Financial Services
Virginia
$1.79K +$684 +2 +50%
TCM
1110
Triumph Capital Management
Colorado
$1.79K +$1.71K +5 +500%
BH
1111
Burk Holdings
Oklahoma
$1.79K +$2.05K +6 New
FDW
1112
Fourth Dimension Wealth
Ohio
$1.79K +$2.05K +6 New
GJIA
1113
Glass Jacobson Investment Advisors
Maryland
$1.79K +$2.05K +6 New
GFA
1114
Godfrey Financial Associates
New York
$1.79K +$2.05K +6 New
HFS
1115
Horizon Financial Services
North Carolina
$1.79K +$2.05K +6 New
HIA
1116
HFM Investment Advisors
New Jersey
$1.49K +$342 +1 +25%
CFG
1117
Clayton Financial Group
Missouri
$1.49K +$684 +2 +67%
MAM
1118
Marquette Asset Management
Minnesota
$1.49K +$684 +2 +67%
ACA
1119
American Capital Advisory
Idaho
$1.49K +$1.37K +4 +400%
BC
1120
Barrett & Company
Rhode Island
$1.49K +$1.71K +5 New
CBT
1121
Crews Bank & Trust
Florida
$1.49K +$1.71K +5 New
GAAM
1122
Guinness Atkinson Asset Management
California
$1.49K +$1.71K +5 New
GLA
1123
Great Lakes Advisors
Illinois
$1.2K +$1.37K +4 New
EWP
1124
Elevation Wealth Partners
California
$1.19K +$684 +2 +100%
BGAI
1125
Bruce G. Allen Investments
Colorado
$1.19K +$1.03K +3 +300%
43 44
45
46 47

WAT Hedge Fund Activity: Q1 2026 in Review

1,174 of the 8,169 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: 464 funds opened new WAT positions and 83 closed out — a net gain of 381 holders — while 573 added to existing stakes and 109 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.

  • 1,174 institutional investors held Waters Corp (WAT) as of Q1 2026, up from 807 in Q4 2025.
  • Funds reported $29.1B of Waters Corp stock for Q1 2026, up 33% quarter-over-quarter.
  • 464 funds opened new Waters Corp positions in Q1 2026 and 83 closed out, a net change of +381 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.