Ken Griffin Options Holdings

Citadel Advisors LLC

  • $509 Billion
  • Q1 2025

Options Holdings Table

Stock Option Type Value Options Held Last Trade Trade History
MGIC
Magic Software Enterprises LTD

Technology
PUT
$524,000
40.4K
Q1 2025
Added 2026.32%
MGA
Magna International Inc

Consumer Cyclical
CALL
$1.14 Million
33.5K
Q1 2025
Reduced 26.91%
MGA
Magna International Inc

Consumer Cyclical
PUT
$3.31 Million
97.5K
Q1 2025
Reduced 26.91%
MX
Magnachip Semiconductor Corp

Technology
CALL
$6,000
2K
Q1 2025
Reduced 74.85%
MX
Magnachip Semiconductor Corp

Technology
PUT
$43,000
12.6K
Q1 2025
Reduced 74.85%
Magnera Corp
CALL
$0
21.3K
Q1 2025
Reduced 3.67%
Magnera Corp
PUT
$0
10.5K
Q1 2025
Reduced 3.67%
MGNI
Magnite, Inc.

Communication Services
CALL
$2.54 Million
222K
Q1 2025
Added 84.5%
MGNI
Magnite, Inc.

Communication Services
PUT
$4.16 Million
364K
Q1 2025
Added 84.5%
MGY
Magnolia Oil & Gas Corp

Energy
CALL
$2.27 Million
89.8K
Q1 2025
Reduced 29.15%
MHLD
Maiden Holdings, Ltd.

Financial Services
CALL
$54,000
96K
Q1 2025
Added 150.65%
MAIN
Main Street Capital Corp

Financial Services
CALL
$740,000
13.1K
Q1 2025
Added 53.29%
MAIN
Main Street Capital Corp

Financial Services
PUT
$11.1 Million
196K
Q1 2025
Added 53.29%
MMYT
Make My Trip LTD

Consumer Cyclical
CALL
$3.62 Million
42K
Q1 2025
Added 34.72%
MMYT
Make My Trip LTD

Consumer Cyclical
PUT
$2.24 Million
26K
Q1 2025
Added 34.72%
MBUU
Malibu Boats, Inc.

Consumer Cyclical
CALL
$1.21 Million
39.3K
Q1 2025
Reduced 16.83%
MBUU
Malibu Boats, Inc.

Consumer Cyclical
PUT
$788,000
25.7K
Q1 2025
Reduced 16.83%
MMMB
Mama Mancini'S Holdings, Inc.

Consumer Defensive
CALL
$257,000
67.2K
Q1 2025
Reduced 66.94%
MMMB
Mama Mancini'S Holdings, Inc.

Consumer Defensive
PUT
$47,000
12.3K
Q1 2025
Reduced 66.94%
TUSK
Mammoth Energy Services, Inc.

Industrials
CALL
$0
200
Q1 2025
Added 850.0%
TUSK
Mammoth Energy Services, Inc.

Industrials
PUT
$3,000
1.9K
Q1 2025
Added 850.0%
MANU
Manchester United PLC

Communication Services
CALL
$1.72 Million
132K
Q1 2025
Reduced 81.48%
MANU
Manchester United PLC

Communication Services
PUT
$2.39 Million
183K
Q1 2025
Reduced 81.48%
MANH
Manhattan Associates Inc

Technology
CALL
$4.27 Million
24.7K
Q1 2025
Added 240.19%
MANH
Manhattan Associates Inc

Technology
PUT
$6.3 Million
36.4K
Q1 2025
Added 240.19%
MTW
Manitowoc CO Inc

Industrials
CALL
$129,000
15.1K
Q1 2025
Reduced 69.87%
MTW
Manitowoc CO Inc

Industrials
PUT
$61,000
7.2K
Q1 2025
Reduced 69.87%
MNKD
Mannkind Corp

Healthcare
CALL
$321,000
64K
Q1 2025
Reduced 58.31%
MNKD
Mannkind Corp

Healthcare
PUT
$562,000
112K
Q1 2025
Reduced 58.31%
MAN
Manpower Group Inc.

Industrials
CALL
$775,000
13.4K
Q1 2025
Added 26.67%
MAN
Manpower Group Inc.

Industrials
PUT
$1.21 Million
20.9K
Q1 2025
Added 26.67%
MFC
Manulife Financial Corp

Financial Services
CALL
$2.59 Million
83.2K
Q1 2025
Reduced 17.6%
MFC
Manulife Financial Corp

Financial Services
PUT
$1.88 Million
60.4K
Q1 2025
Reduced 17.6%
Maplebear Inc
CALL
$0
233K
Q1 2025
Reduced 15.68%
Maplebear Inc
PUT
$0
458K
Q1 2025
Reduced 15.68%
MRVI
Maravai Lifesciences Holdings, Inc.

Healthcare
CALL
$97,000
44K
Q1 2025
Reduced 36.82%
MRVI
Maravai Lifesciences Holdings, Inc.

Healthcare
PUT
$28,000
12.7K
Q1 2025
Reduced 36.82%
MCHX
Marchex Inc

Communication Services
CALL
$11,000
6.8K
Q1 2025
New holding
MMI
Marcus & Millichap, Inc.

Real Estate
CALL
$3,000
100
Q1 2025
Reduced 90.91%
MCS
Marcus Corp

Communication Services
CALL
$45,000
2.7K
Q1 2025
New holding
MCS
Marcus Corp

Communication Services
PUT
$1,000
100
Q1 2025
New holding
Marex Group PLC
CALL
$0
4.3K
Q1 2025
Added 122.22%
Marex Group PLC
PUT
$0
2K
Q1 2025
Added 122.22%
HZO
Marinemax Inc

Consumer Cyclical
CALL
$51,000
2.4K
Q1 2025
Added 7.32%
HZO
Marinemax Inc

Consumer Cyclical
PUT
$567,000
26.4K
Q1 2025
Added 7.32%
MKL
Markel Corp

Financial Services
CALL
$21.7 Million
11.6K
Q1 2025
Added 55.7%
MKL
Markel Corp

Financial Services
PUT
$23 Million
12.3K
Q1 2025
Added 55.7%
MKTX
Marketaxess Holdings Inc

Financial Services
CALL
$4.59 Million
21.2K
Q1 2025
Added 33.73%
MKTX
Marketaxess Holdings Inc

Financial Services
PUT
$4.89 Million
22.6K
Q1 2025
Added 33.73%
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.
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Summary

  • Portfolio
  • No. of Stocks 17,161
  • Current Value $509 Billion
  • Prior Value $559 Billion
  • Filing
  • Period Q1 2025
  • Filing Date May 15, 2025
  • Form Type 13F-HR
  • Activity in Q1 2025
  • New Purchases 1,248 stocks
  • Additional Purchases 2,438 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 2,161 stocks
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