Ken Griffin Options Holdings

Citadel Advisors LLC

  • $550 Billion
  • Q2 2025

Options Holdings Table

Stock Option Type Value Options Held Last Trade Trade History
MMC
Marsh & Mclennan Companies, Inc.

Financial Services
CALL
$22.5 Million
103K
Q2 2025
Added 155.0%
MMC
Marsh & Mclennan Companies, Inc.

Financial Services
PUT
$3.35 Million
15.3K
Q2 2025
Added 155.0%
MRTN
Marten Transport LTD

Industrials
CALL
$2.53 Million
195K
Q2 2025
Added 19.0%
MRTN
Marten Transport LTD

Industrials
PUT
$1.02 Million
78.9K
Q2 2025
Added 19.0%
MLM
Martin Marietta Materials Inc

Basic Materials
CALL
$20.3 Million
36.9K
Q2 2025
Reduced 46.44%
MLM
Martin Marietta Materials Inc

Basic Materials
PUT
$12 Million
21.8K
Q2 2025
Reduced 46.44%
MAS
Masco Corp

Industrials
PUT
$1.88 Million
29.2K
Q2 2025
Added 70.76%
MAS
Masco Corp

Industrials
CALL
$2 Million
31.1K
Q2 2025
Added 70.76%
MASI
Masimo Corp

Healthcare
CALL
$1.3 Million
7.7K
Q2 2025
Reduced 58.82%
MASI
Masimo Corp

Healthcare
PUT
$353,000
2.1K
Q2 2025
Reduced 58.82%
MTZ
Mastec Inc

Industrials
PUT
$9.49 Million
55.7K
Q2 2025
Reduced 33.69%
MCFT
Master Craft Boat Holdings, Inc.

Consumer Cyclical
PUT
$588,000
31.7K
Q2 2025
Added 155.65%
MTDR
Matador Resources CO

Energy
CALL
$15.6 Million
326K
Q2 2025
Reduced 36.18%
MTDR
Matador Resources CO

Energy
PUT
$13.7 Million
287K
Q2 2025
Reduced 36.18%
MTCH
Match Group, Inc.

Communication Services
PUT
$6.41 Million
208K
Q2 2025
Reduced 52.47%
MTCH
Match Group, Inc.

Communication Services
CALL
$7.73 Million
250K
Q2 2025
Reduced 52.47%
MTLS
Materialise Nv

Technology
CALL
$420,000
74.5K
Q2 2025
Reduced 67.33%
MTLS
Materialise Nv

Technology
PUT
$111,000
19.7K
Q2 2025
Reduced 67.33%
MATV
Schweitzer Mauduit International Inc

Basic Materials
CALL
$6.36 Million
932K
Q2 2025
Reduced 91.67%
MATV
Schweitzer Mauduit International Inc

Basic Materials
PUT
$461,000
67.6K
Q2 2025
Reduced 91.67%
MTRX
Matrix Service CO

Industrials
CALL
$972,000
72K
Q2 2025
Reduced 7.1%
MATX
Matson, Inc.

Industrials
CALL
$400,000
3.6K
Q2 2025
Added 563.64%
MATX
Matson, Inc.

Industrials
PUT
$4.06 Million
36.5K
Q2 2025
Added 563.64%
MAT
Mattel Inc

Consumer Cyclical
CALL
$4.06 Million
206K
Q2 2025
Added 447.79%
MAT
Mattel Inc

Consumer Cyclical
PUT
$1.22 Million
61.9K
Q2 2025
Added 447.79%
Maxeon Solar Technologies Lt
CALL
$0
23.9K
Q2 2025
Reduced 12.51%
MXL
Maxlinear Inc

Technology
CALL
$1.03 Million
72.8K
Q2 2025
Reduced 44.09%
MXL
Maxlinear Inc

Technology
PUT
$504,000
35.5K
Q2 2025
Reduced 44.09%
MBI
Mbia Inc

Financial Services
CALL
$337,000
77.8K
Q2 2025
Reduced 78.55%
MBI
Mbia Inc

Financial Services
PUT
$70,000
16.3K
Q2 2025
Reduced 78.55%
Mbx Biosciences Inc
PUT
$0
20.7K
Q2 2025
New holding
MKC
Mccormick & CO Inc

Consumer Defensive
CALL
$17.1 Million
226K
Q2 2025
Added 31.27%
MKC
Mccormick & CO Inc

Consumer Defensive
PUT
$5.31 Million
70.1K
Q2 2025
Added 31.27%
Mcewen Inc.
CALL
$0
112K
Q2 2025
Added 21.15%
Mcewen Inc.
PUT
$0
193K
Q2 2025
Added 21.15%
MFIN
Medallion Financial Corp

Financial Services
CALL
$499,000
52.4K
Q2 2025
Added 27.8%
MPW
Medical Properties Trust Inc

Real Estate
CALL
$7.56 Million
1.76M
Q2 2025
Reduced 10.76%
MPW
Medical Properties Trust Inc

Real Estate
PUT
$8.16 Million
1.89M
Q2 2025
Reduced 10.76%
MED
Medifast Inc

Consumer Cyclical
CALL
$2.76 Million
197K
Q2 2025
Reduced 13.28%
MED
Medifast Inc

Consumer Cyclical
PUT
$486,000
34.6K
Q2 2025
Reduced 13.28%
Mediwound LTD
CALL
$0
11.4K
Q2 2025
Added 320.0%
Mediwound LTD
PUT
$0
10.5K
Q2 2025
Added 320.0%
MEDP
Medpace Holdings, Inc.

Healthcare
CALL
$2.64 Million
8.4K
Q2 2025
Reduced 40.48%
MEDP
Medpace Holdings, Inc.

Healthcare
PUT
$6.18 Million
19.7K
Q2 2025
Reduced 40.48%
MGTX
Meira G Tx Holdings PLC

Healthcare
CALL
$168,000
25.8K
Q2 2025
Reduced 64.58%
MGTX
Meira G Tx Holdings PLC

Healthcare
PUT
$88,000
13.6K
Q2 2025
Reduced 64.58%
MLCO
Melco Resorts & Entertainment LTD

Consumer Cyclical
CALL
$2.75 Million
380K
Q2 2025
Reduced 75.46%
MLCO
Melco Resorts & Entertainment LTD

Consumer Cyclical
PUT
$240,000
33.2K
Q2 2025
Reduced 75.46%
MERC
Mercer International Inc.

Basic Materials
CALL
$65,000
18.6K
Q2 2025
Added 75.73%
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.
Track Ken Griffin's portfolio

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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