Ken Griffin Options Holdings

Citadel Advisors LLC

  • $509 Billion
  • Q1 2025

Options Holdings Table

Stock Option Type Value Options Held Last Trade Trade History
MBI
Mbia Inc

Financial Services
CALL
$414,000
83.3K
Q1 2025
Added 0.26%
MBI
Mbia Inc

Financial Services
PUT
$378,000
76K
Q1 2025
Added 0.26%
MKC
Mccormick & CO Inc

Consumer Defensive
CALL
$18.6 Million
226K
Q1 2025
Reduced 62.68%
MKC
Mccormick & CO Inc

Consumer Defensive
PUT
$4.4 Million
53.4K
Q1 2025
Reduced 62.68%
Mcewen Mng Inc
CALL
$0
99.6K
Q1 2025
Added 19.83%
Mcewen Mng Inc
PUT
$0
159K
Q1 2025
Added 19.83%
MDU
Mdu Resources Group Inc

Industrials
CALL
$911,000
53.9K
Q1 2025
Reduced 2.15%
MDU
Mdu Resources Group Inc

Industrials
PUT
$153,000
9.1K
Q1 2025
Reduced 2.15%
MFIN
Medallion Financial Corp

Financial Services
CALL
$357,000
41K
Q1 2025
Reduced 15.38%
MFIN
Medallion Financial Corp

Financial Services
PUT
$57,000
6.6K
Q1 2025
Reduced 15.38%
MAX
Media Alpha, Inc.

Communication Services
PUT
$619,000
67K
Q1 2025
Added 39.58%
MPW
Medical Properties Trust Inc

Real Estate
CALL
$9.46 Million
1.57M
Q1 2025
Reduced 36.88%
MPW
Medical Properties Trust Inc

Real Estate
PUT
$12.8 Million
2.12M
Q1 2025
Reduced 36.88%
MNOV
Medicinova Inc

Healthcare
CALL
$41,000
28.5K
Q1 2025
New holding
MED
Medifast Inc

Consumer Cyclical
CALL
$1.73 Million
128K
Q1 2025
Reduced 41.41%
MED
Medifast Inc

Consumer Cyclical
PUT
$537,000
39.9K
Q1 2025
Reduced 41.41%
Mediwound LTD
CALL
$0
6.9K
Q1 2025
New holding
Mediwound LTD
PUT
$0
2.5K
Q1 2025
New holding
MEDP
Medpace Holdings, Inc.

Healthcare
CALL
$3.99 Million
13.1K
Q1 2025
Added 15.73%
MEDP
Medpace Holdings, Inc.

Healthcare
PUT
$10.1 Million
33.1K
Q1 2025
Added 15.73%
Mei Pharma Inc
CALL
$0
12.6K
Q1 2025
Reduced 95.24%
Mei Pharma Inc
PUT
$0
600
Q1 2025
Reduced 95.24%
MGTX
Meira G Tx Holdings PLC

Healthcare
CALL
$36,000
5.4K
Q1 2025
Added 24.68%
MGTX
Meira G Tx Holdings PLC

Healthcare
PUT
$260,000
38.4K
Q1 2025
Added 24.68%
MLCO
Melco Resorts & Entertainment LTD

Consumer Cyclical
CALL
$3.27 Million
621K
Q1 2025
Reduced 60.74%
MLCO
Melco Resorts & Entertainment LTD

Consumer Cyclical
PUT
$713,000
135K
Q1 2025
Reduced 60.74%
MBWM
Mercantile Bank Corp

Financial Services
CALL
$13,000
300
Q1 2025
Reduced 16.67%
MBWM
Mercantile Bank Corp

Financial Services
PUT
$21,000
500
Q1 2025
Reduced 16.67%
MERC
Mercer International Inc.

Basic Materials
CALL
$162,000
26.4K
Q1 2025
Reduced 69.02%
MERC
Mercer International Inc.

Basic Materials
PUT
$126,000
20.6K
Q1 2025
Reduced 69.02%
MBIN
Merchants Bancorp

Financial Services
CALL
$92,000
2.5K
Q1 2025
Reduced 55.17%
MBIN
Merchants Bancorp

Financial Services
PUT
$96,000
2.6K
Q1 2025
Reduced 55.17%
MCY
Mercury General Corp

Financial Services
CALL
$1.68 Million
30K
Q1 2025
Added 1275.0%
MCY
Mercury General Corp

Financial Services
PUT
$1.84 Million
33K
Q1 2025
Added 1275.0%
MRCY
Mercury Systems Inc

Industrials
CALL
$1.85 Million
43K
Q1 2025
Added 78.04%
MRCY
Mercury Systems Inc

Industrials
PUT
$1.96 Million
45.4K
Q1 2025
Added 78.04%
MREO
Mereo Biopharma Group PLC

Healthcare
CALL
$172,000
76.5K
Q1 2025
Reduced 64.34%
MREO
Mereo Biopharma Group PLC

Healthcare
PUT
$78,000
34.7K
Q1 2025
Reduced 64.34%
MLNK
Meridian Link, Inc.

Technology
CALL
$98,000
5.3K
Q1 2025
Added 480.0%
MLNK
Meridian Link, Inc.

Technology
PUT
$53,000
2.9K
Q1 2025
Added 480.0%
MMSI
Merit Medical Systems Inc

Healthcare
CALL
$465,000
4.4K
Q1 2025
Added 40.0%
MMSI
Merit Medical Systems Inc

Healthcare
PUT
$73,000
700
Q1 2025
Added 40.0%
MTH
Meritage Homes Corp

Consumer Cyclical
CALL
$730,000
10.3K
Q1 2025
Added 53.66%
MTH
Meritage Homes Corp

Consumer Cyclical
PUT
$2.68 Million
37.8K
Q1 2025
Added 53.66%
MRSN
Mersana Therapeutics, Inc.

Healthcare
CALL
$5,000
16.3K
Q1 2025
Added 34.02%
MRSN
Mersana Therapeutics, Inc.

Healthcare
PUT
$4,000
13K
Q1 2025
Added 34.02%
MRUS
Merus N.V.

Healthcare
CALL
$454,000
10.8K
Q1 2025
Reduced 42.94%
MRUS
Merus N.V.

Healthcare
PUT
$408,000
9.7K
Q1 2025
Reduced 42.94%
MESA
Mesa Air Group Inc

Industrials
CALL
$69,000
89.2K
Q1 2025
New holding
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 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
Track Ken Griffin's Portfolio

Track Ken Griffin Portfolio

Follow Ken Griffin (Citadel Advisors LLC) and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Citadel Advisors LLC, based on Form 13F filings with the SEC.

News

Stay updated on Citadel Advisors LLC and Ken Griffin with notifications on news.

Choose your preferred platform and Sign Up 👇 Telegram Email