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
Barclays
51
Barclays
United Kingdom
$102M
RhumbLine Advisers
52
RhumbLine Advisers
Massachusetts
$101M
Russell Investments Group
53
Russell Investments Group
United Kingdom
$99.2M
Assenagon Asset Management
54
Assenagon Asset Management
Luxembourg
$98.3M
Mitsubishi UFJ Asset Management
55
Mitsubishi UFJ Asset Management
Japan
$97.2M
Neuberger Berman Group
56
Neuberger Berman Group
New York
$93.1M
HSBC Holdings
57
HSBC Holdings
United Kingdom
$88.2M
California Public Employees Retirement System
58
California Public Employees Retirement System
California
$86.7M
COPPSERS
59
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$84.9M
BG
60
Bahl & Gaynor
Ohio
$83.6M
MGP
61
M&G plc
United Kingdom
$78.6M
Macquarie Group
62
Macquarie Group
Australia
$77.7M
RIA
63
Recurrent Investment Advisors
Texas
$77.4M
Citadel Advisors
64
Citadel Advisors
Florida
$71.9M
BG
65
Bollard Group
Massachusetts
$69.6M
GF
66
Gabelli Funds
New York
$68.8M
Canada Life
67
Canada Life
Manitoba, Canada
$68.5M
National Pension Service
68
National Pension Service
South Korea
$68.1M
Envestnet Asset Management
69
Envestnet Asset Management
Illinois
$67.1M
Principal Financial Group
70
Principal Financial Group
Iowa
$64M
DPIM
71
Duff & Phelps Investment Management
Illinois
$62.7M
Fidelity Investments
72
Fidelity Investments
Massachusetts
$61.6M
Ameriprise
73
Ameriprise
Minnesota
$60.6M
Nordea Investment Management
74
Nordea Investment Management
Sweden
$58.9M
Stifel Financial
75
Stifel Financial
Missouri
$58.8M