1,541 hedge funds and large institutions have $37.6B invested in Oneok in 2025 Q2 according to their latest regulatory filings, with 133 funds opening new positions, 612 increasing their positions, 518 reducing their positions, and 165 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less funds holding

Funds holding:

16% less capital invested

Capital invested by funds: $44.8B → $37.6B (-$7.19B)

19% less first-time investments, than exits

New positions opened: 133 | Existing positions closed: 165

42% less funds holding in top 10

Funds holding in top 10: 5029 (-21)

Holders
1,541
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
29
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$361M
Puts
$210M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
New York State Teachers Retirement System (NYSTRS)
101
New York State Teachers Retirement System (NYSTRS)
New York
$37.8M
Natixis Advisors
102
Natixis Advisors
Massachusetts
$37.2M
National Bank of Canada
103
National Bank of Canada
Quebec, Canada
$35.7M
Korea Investment Corp
104
Korea Investment Corp
South Korea
$34.9M
SCM
105
SIR Capital Management
New York
$34.7M
Tudor Investment Corp
106
Tudor Investment Corp
Connecticut
$33.7M
HighTower Advisors
107
HighTower Advisors
Illinois
$33.6M
Jones Financial Companies
108
Jones Financial Companies
Missouri
$33.5M
TC
109
TwinBeech Capital
New York
$33.3M
AAMU
110
AEGON Asset Management (UK)
United Kingdom
$33.1M
Millennium Management
111
Millennium Management
New York
$32.6M
HAI
112
Hennessy Advisors Inc
California
$31.6M
Allspring Global Investments
113
Allspring Global Investments
North Carolina
$30.6M
New York State Common Retirement Fund
114
New York State Common Retirement Fund
New York
$30.2M
BF
115
BOK Financial
Oklahoma
$29.9M
Prudential Financial
116
Prudential Financial
New Jersey
$29.8M
Royal London Asset Management
117
Royal London Asset Management
United Kingdom
$28.6M
Canada Pension Plan Investment Board
118
Canada Pension Plan Investment Board
Ontario, Canada
$28.2M
VOYA Investment Management
119
VOYA Investment Management
Georgia
$27.8M
Zurich Cantonal Bank
120
Zurich Cantonal Bank
Switzerland
$27.7M
State of Wisconsin Investment Board
121
State of Wisconsin Investment Board
Wisconsin
$27.7M
Blackstone Inc
122
Blackstone Inc
New York
$27.6M
ACG
123
Aventail Capital Group
New York
$27.5M
Rockefeller Capital Management
124
Rockefeller Capital Management
New York
$27.3M
Mariner
125
Mariner
Kansas
$27M