1,527 hedge funds and large institutions have $35.2B invested in Oneok in 2025 Q4 according to their latest regulatory filings, with 202 funds opening new positions, 607 increasing their positions, 494 reducing their positions, and 119 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,527
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$524M
Puts
$248M
Net Calls
Net Calls Change

Top Buyers

1 +$565M
2 +$255M
3 +$173M
4
DB
Danske Bank
Denmark
+$117M
5
BlackRock
BlackRock
New York
+$97.7M

Top Sellers

1 -$129M
2 -$103M
3 -$100M
4
Macquarie Group
Macquarie Group
Australia
-$94.7M
5
JP Morgan Chase
JP Morgan Chase
New York
-$72.5M
Name Holding Trade Value Shares
Change
Change in
Stake
RhumbLine Advisers
51
RhumbLine Advisers
Massachusetts
$89.3M
BNP Paribas Financial Markets
52
BNP Paribas Financial Markets
France
$87M
RIA
53
Recurrent Investment Advisors
Texas
$84.7M
California Public Employees Retirement System
54
California Public Employees Retirement System
California
$81.2M
COPPSERS
55
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$79.4M
EIP
56
Energy Income Partners
Connecticut
$78.8M
HSBC Holdings
57
HSBC Holdings
United Kingdom
$78.6M
MGP
58
M&G plc
United Kingdom
$75.6M
National Pension Service
59
National Pension Service
South Korea
$70.9M
Aberdeen Group
60
Aberdeen Group
United Kingdom
$70.4M
Cetera Investment Advisers
61
Cetera Investment Advisers
Illinois
$67.6M
Neuberger Berman Group
62
Neuberger Berman Group
New York
$66.6M
Canada Life
63
Canada Life
Manitoba, Canada
$66.3M
Holocene Advisors
64
Holocene Advisors
New York
$65.7M
BC
65
Brookfield Corp
Ontario, Canada
$64.9M
Stifel Financial
66
Stifel Financial
Missouri
$64.9M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
67
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$64.5M
GF
68
Gabelli Funds
New York
$61.7M
Envestnet Asset Management
69
Envestnet Asset Management
Illinois
$61.3M
Manulife (Manufacturers Life Insurance)
70
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$60.7M
Nordea Investment Management
71
Nordea Investment Management
Sweden
$59.1M
Principal Financial Group
72
Principal Financial Group
Iowa
$58.9M
Fidelity Investments
73
Fidelity Investments
Massachusetts
$57.6M
ACM
74
Advisors Capital Management
New Jersey
$57.5M
ETC
75
Exchange Traded Concepts
Oklahoma
$57.1M