1,548 hedge funds and large institutions have $37.6B invested in Oneok in 2025 Q2 according to their latest regulatory filings, with 132 funds opening new positions, 617 increasing their positions, 520 reducing their positions, and 166 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)

20% less first-time investments, than exits

New positions opened: 132 | Existing positions closed: 166

42% less funds holding in top 10

Funds holding in top 10: 5029 (-21)

Holders
1,548
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
SLAML
101
Swiss Life Asset Management Ltd
$38.3M
New York State Teachers Retirement System (NYSTRS)
102
New York State Teachers Retirement System (NYSTRS)
New York
$37.8M
Natixis Advisors
103
Natixis Advisors
Massachusetts
$37.2M
National Bank of Canada
104
National Bank of Canada
Quebec, Canada
$35.7M
Korea Investment Corp
105
Korea Investment Corp
South Korea
$34.9M
SCM
106
SIR Capital Management
New York
$34.7M
Tudor Investment Corp
107
Tudor Investment Corp
Connecticut
$33.7M
HighTower Advisors
108
HighTower Advisors
Illinois
$33.6M
Jones Financial Companies
109
Jones Financial Companies
Missouri
$33.5M
TC
110
TwinBeech Capital
New York
$33.3M
AAMU
111
AEGON Asset Management (UK)
United Kingdom
$33.1M
Millennium Management
112
Millennium Management
New York
$32.6M
HAI
113
Hennessy Advisors Inc
California
$31.6M
Allspring Global Investments
114
Allspring Global Investments
North Carolina
$30.6M
New York State Common Retirement Fund
115
New York State Common Retirement Fund
New York
$30.2M
BF
116
BOK Financial
Oklahoma
$29.9M
Prudential Financial
117
Prudential Financial
New Jersey
$29.8M
Royal London Asset Management
118
Royal London Asset Management
United Kingdom
$28.6M
Canada Pension Plan Investment Board
119
Canada Pension Plan Investment Board
Ontario, Canada
$28.2M
VOYA Investment Management
120
VOYA Investment Management
Georgia
$27.8M
Zurich Cantonal Bank
121
Zurich Cantonal Bank
Switzerland
$27.7M
State of Wisconsin Investment Board
122
State of Wisconsin Investment Board
Wisconsin
$27.7M
Blackstone Inc
123
Blackstone Inc
New York
$27.6M
ACG
124
Aventail Capital Group
New York
$27.5M
Rockefeller Capital Management
125
Rockefeller Capital Management
New York
$27.3M