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245 hedge funds and large institutions have $2.18B invested in Sabesp in 2026 Q1 according to their latest regulatory filings, with 45 funds opening new positions, 113 increasing their positions, 84 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed

284% more call options, than puts

Call options by funds: $936K | Put options by funds: $244K

114% more first-time investments, than exits

New positions opened: 45 | Existing positions closed: 21

35% more repeat investments, than reductions

Existing positions increased: 113 | Existing positions reduced: 84

34% more capital invested

Capital invested by funds: $1.63B → $2.18B (+$554M)

9% more funds holding

Funds holding: 225245 (+20)

0.96% more ownership

Funds ownership: 49.91%50.87% (+0.96%)

Holders
245
Holders Change
+20
Holders Change %
+8.89%
% of All Funds
3.02%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
45
Increased
113
Reduced
84
Closed
21
Calls
$936K
Puts
$244K
Net Calls
+$692K
Net Calls Change
+$1.08M
Name Holding Trade Value Shares
Change
Change in
Stake
KI
51
Kapitalo Investimentos
Brazil
$5.14M +$4.62M +842,015 New
BPAMU
52
BTG Pactual Asset Management US
New York
$4.86M +$4.37M +796,005 New
Bank of Montreal
53
Bank of Montreal
Ontario, Canada
$4.5M +$57.2K +10,421 +1%
Optiver Holding
54
Optiver Holding
Netherlands
$4.47M +$818K +148,922 +26%
TI
55
Trexquant Investment
Connecticut
$4.38M +$3.95M +718,560 New
BPC
56
Banque Pictet & Cie
Switzerland
$4.07M +$3.67M +667,465 New
SIC
57
Schwartz Investment Counsel
Michigan
$3.84M +$94.1K +17,141 +3%
JP Morgan Chase
58
JP Morgan Chase
New York
$3.69M +$648K +117,972 +23%
FDCDDQ
59
Federation des caisses Desjardins du Quebec
Quebec, Canada
$3.59M +$725K +131,993 +29%
Millennium Management
60
Millennium Management
New York
$3.58M -$1.79M -325,090 -36%
LPL Financial
61
LPL Financial
California
$3.32M +$1.11M +201,365 +59%
RhumbLine Advisers
62
RhumbLine Advisers
Massachusetts
$3.19M +$57.3K +10,427 +2%
QCM
63
Quantinno Capital Management
New York
$2.93M +$1.01M +183,312 +62%
SEI Investments
64
SEI Investments
Pennsylvania
$2.82M -$242K -44,083 -9%
Thrivent Financial for Lutherans
65
Thrivent Financial for Lutherans
Minnesota
$2.8M +$1.94M +353,985 +334%
Robeco Institutional Asset Management
66
Robeco Institutional Asset Management
Netherlands
$2.73M -$26.4M -4,812,758 -92%
RBI
67
Raiffeisen Bank International
Austria
$2.65M +$2.47M +450,000 New
GLF
68
Groupe la Francaise
France
$2.56M +$63K +11,476 +3%
Connor, Clark & Lunn Investment Management (CC&L)
69
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.5M +$2.25M +408,980 New
BMSSC
70
B. Metzler seel. Sohn & Co
Germany
$2.45M +$52.5K +9,554 +2%
GIC
71
Generali Investments CEE
Czech Republic
$2.43M -$490K -89,305 -18%
LAM
72
Lifestyle Asset Management
Texas
$2.41M +$184K +33,495 +9%
PI
73
PineBridge Investments
New York
$2.37M -$745K -135,587 -26%
Vontobel Holding
74
Vontobel Holding
Switzerland
$2.35M -$136K -24,765 -6%
NP
75
NS Partners
United Kingdom
$2.34M +$63.1K +11,498 +3%