1,658 hedge funds and large institutions have $45.5B invested in Oneok in 2026 Q1 according to their latest regulatory filings, with 238 funds opening new positions, 709 increasing their positions, 456 reducing their positions, and 91 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,658
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
35
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$611M
Puts
$256M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Mitsubishi UFJ Asset Management
51
Mitsubishi UFJ Asset Management
Japan
$129M
Sumitomo Mitsui Trust Group
52
Sumitomo Mitsui Trust Group
Japan
$124M
VGA
53
Vanguard Global Advisers
Pennsylvania
$124M
TI
54
Tidal Investments
Wisconsin
$110M
BNP Paribas Financial Markets
55
BNP Paribas Financial Markets
France
$110M
Aberdeen Group
56
Aberdeen Group
United Kingdom
$110M
RhumbLine Advisers
57
RhumbLine Advisers
Massachusetts
$108M
VAM
58
Vanguard Asset Management
$106M
RIA
59
Recurrent Investment Advisors
Texas
$104M
Envestnet Asset Management
60
Envestnet Asset Management
Illinois
$103M
HSBC Holdings
61
HSBC Holdings
United Kingdom
$102M
California Public Employees Retirement System
62
California Public Employees Retirement System
California
$100M
NIM
63
NXG Investment Management
Texas
$96.7M
DPIM
64
Duff & Phelps Investment Management
Illinois
$93.2M
SG
65
Sourcerock Group
Colorado
$91.8M
National Pension Service
66
National Pension Service
South Korea
$90.8M
COPPSERS
67
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$90.8M
ETC
68
Exchange Traded Concepts
Oklahoma
$85.2M
Cetera Investment Advisers
69
Cetera Investment Advisers
Illinois
$82.8M
Stifel Financial
70
Stifel Financial
Missouri
$81.9M
NAMI
71
Nomura Asset Management International
Pennsylvania
$81.6M
Nordea Investment Management
72
Nordea Investment Management
Sweden
$80.8M
Jones Financial Companies
73
Jones Financial Companies
Missouri
$80.3M
Canada Life
74
Canada Life
Manitoba, Canada
$79.8M
TAF
75
Tredje AP-fonden
Sweden
$78.2M