Ken Griffin Options Holdings

Citadel Advisors LLC

  • $550 Billion
  • Q2 2025

Options Holdings Table

Stock Option Type Value Options Held Last Trade Trade History
OLMA
Olema Pharmaceuticals, Inc.

Healthcare
PUT
$133,000
31.4K
Q2 2025
Added 106.58%
OLN
Olin Corp

Basic Materials
CALL
$2.01 Million
100K
Q2 2025
Added 43.18%
OLN
Olin Corp

Basic Materials
PUT
$2.97 Million
148K
Q2 2025
Added 43.18%
OLLI
Ollie'S Bargain Outlet Holdings, Inc.

Consumer Defensive
CALL
$13 Million
98.9K
Q2 2025
Reduced 61.03%
OLLI
Ollie'S Bargain Outlet Holdings, Inc.

Consumer Defensive
PUT
$9.69 Million
73.5K
Q2 2025
Reduced 61.03%
OLO
Olo Inc.

Technology
CALL
$169,000
19.1K
Q2 2025
Added 855.0%
ZEUS
Olympic Steel Inc

Basic Materials
CALL
$625,000
19.2K
Q2 2025
Reduced 1.54%
ZEUS
Olympic Steel Inc

Basic Materials
PUT
$208,000
6.4K
Q2 2025
Reduced 1.54%
OHI
Omega Healthcare Investors Inc

Real Estate
CALL
$5.02 Million
137K
Q2 2025
Added 9.03%
OHI
Omega Healthcare Investors Inc

Real Estate
PUT
$4.38 Million
120K
Q2 2025
Added 9.03%
OMCL
Omnicell, Inc

Healthcare
CALL
$579,000
19.7K
Q2 2025
Reduced 26.22%
OMC
Omnicom Group Inc.

Communication Services
CALL
$5.27 Million
73.3K
Q2 2025
Added 166.67%
OMC
Omnicom Group Inc.

Communication Services
PUT
$9.32 Million
130K
Q2 2025
Added 166.67%
ONTF
On24 Inc.

Technology
CALL
$60,000
11.1K
Q2 2025
New holding
ONDS
Ondas Holdings Inc.

Technology
CALL
$1.5 Million
781K
Q2 2025
Added 59.2%
ONDS
Ondas Holdings Inc.

Technology
PUT
$506,000
264K
Q2 2025
Added 59.2%
OGS
One Gas, Inc.

Utilities
CALL
$258,000
3.6K
Q2 2025
Reduced 78.74%
OGS
One Gas, Inc.

Utilities
PUT
$653,000
9.1K
Q2 2025
Reduced 78.74%
OSS
One Stop Systems, Inc.

Technology
CALL
$423,000
119K
Q2 2025
Reduced 36.64%
OSS
One Stop Systems, Inc.

Technology
PUT
$52,000
14.7K
Q2 2025
Reduced 36.64%
Oneconnect Finl Technology C
CALL
$0
13.6K
Q2 2025
Added 127.43%
Oneconnect Finl Technology C
PUT
$0
79.6K
Q2 2025
Added 127.43%
OMF
One Main Holdings, Inc.

Financial Services
CALL
$9.78 Million
172K
Q2 2025
Reduced 4.44%
OMF
One Main Holdings, Inc.

Financial Services
PUT
$10.7 Million
187K
Q2 2025
Reduced 4.44%
OKE
Oneok Inc

Energy
CALL
$25.9 Million
317K
Q2 2025
Reduced 16.04%
OKE
Oneok Inc

Energy
PUT
$19.8 Million
242K
Q2 2025
Reduced 16.04%
OSPN
One Span Inc.

Technology
PUT
$370,000
22.2K
Q2 2025
Reduced 51.95%
Onestream Inc
CALL
$0
30.4K
Q2 2025
Reduced 16.92%
Onestream Inc
PUT
$0
10.8K
Q2 2025
Reduced 16.92%
ONEW
One Water Marine Inc.

Consumer Cyclical
CALL
$179,000
13.4K
Q2 2025
Reduced 11.97%
ONEW
One Water Marine Inc.

Consumer Cyclical
PUT
$167,000
12.5K
Q2 2025
Reduced 11.97%
ONTO
Onto Innovation Inc.

Technology
CALL
$8.38 Million
83K
Q2 2025
Added 22.58%
ONTO
Onto Innovation Inc.

Technology
PUT
$10.4 Million
103K
Q2 2025
Added 22.58%
OPAL
Opal Fuels Inc.

Utilities
CALL
$129,000
53.7K
Q2 2025
New holding
LPRO
Open Lending Corp

Financial Services
CALL
$144,000
74.7K
Q2 2025
Added 125.0%
OTEX
Open Text Corp

Technology
CALL
$1.11 Million
38K
Q2 2025
Reduced 44.24%
OTEX
Open Text Corp

Technology
PUT
$2.94 Million
101K
Q2 2025
Reduced 44.24%
OPEN
Opendoor Technologies Inc.

Real Estate
CALL
$70,000
134K
Q2 2025
Added 26.74%
OPEN
Opendoor Technologies Inc.

Real Estate
PUT
$552,000
1.04M
Q2 2025
Added 26.74%
KAR
Kar Auction Services, Inc.

Consumer Cyclical
CALL
$244,000
10K
Q2 2025
Added 92.98%
KAR
Kar Auction Services, Inc.

Consumer Cyclical
PUT
$268,000
11K
Q2 2025
Added 92.98%
OPRA
Opera LTD

Communication Services
CALL
$1.22 Million
64.5K
Q2 2025
Reduced 50.37%
OPRA
Opera LTD

Communication Services
PUT
$2.15 Million
114K
Q2 2025
Reduced 50.37%
OPK
Opko Health, Inc.

Healthcare
CALL
$301,000
228K
Q2 2025
Reduced 27.08%
OPK
Opko Health, Inc.

Healthcare
PUT
$324,000
246K
Q2 2025
Reduced 27.08%
OPRT
Oportun Financial Corp

Financial Services
CALL
$539,000
75.3K
Q2 2025
Added 8266.67%
OPY
Oppenheimer Holdings Inc

Financial Services
CALL
$743,000
11.3K
Q2 2025
Added 54.79%
OPFI
Opp Fi Inc.

Technology
CALL
$5.34 Million
382K
Q2 2025
Added 3.47%
OPFI
Opp Fi Inc.

Technology
PUT
$2.17 Million
155K
Q2 2025
Added 3.47%
Ken Griffin

Ken Griffin

Ken Griffin is the founder and CEO of Citadel Advisors, a successful investment firm that uses technology and data-driven approaches to investing. Griffin is known for his expertise in quantitative investing and his innovative approach to investing. He has generated strong returns for his clients over the long term.
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Summary

  • Portfolio
  • No. of Stocks 15,124
  • Current Value $550 Billion
  • Prior Value $509 Billion
  • Filing
  • Period Q2 2025
  • Filing Date August 14, 2025
  • Form Type 13F-HR
  • Activity in Q2 2025
  • New Purchases 1,309 stocks
  • Additional Purchases 2,297 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 2,137 stocks
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