Simplex Trading, LLC Options Holdings

Simplex Trading, LLC

  • $156 Billion
  • Q1 2025

Options Holdings Table

Stock Option Type Value Options Held Last Trade Trade History
Mattel Inc
PUT
$421,000
21.7K
Q1 2025
Added 57.25%
Mativ Holdings Inc
CALL
$99,000
15.9K
Q1 2025
Reduced 94.9%
Mativ Holdings Inc
PUT
$51,000
8.3K
Q1 2025
Added 8200.0%
Matthews Intl Corp
PUT
$44,000
2K
Q1 2025
New holding
Matson Inc
CALL
$820,000
6.4K
Q1 2025
Added 88.24%
Matson Inc
PUT
$115,000
900
Q1 2025
New holding
Mediaalpha Inc
CALL
$2,000
300
Q1 2025
Reduced 92.5%
Mediaalpha Inc
PUT
$1,000
200
Q1 2025
Reduced 66.67%
Maxeon Solar Technologies Lt
CALL
$122,000
41.6K
Q1 2025
Reduced 94.25%
Maxeon Solar Technologies Lt
PUT
$241,000
82K
Q1 2025
Reduced 2.5%
Mbia Inc
CALL
$55,000
11.2K
Q1 2025
Reduced 37.43%
Mbia Inc
PUT
$186,000
37.5K
Q1 2025
Added 121.89%
Merchants Bancorp Ind
CALL
$3,000
100
Q1 2025
New holding
Mobileye Global Inc
PUT
$7.43 Million
516K
Q1 2025
Reduced 54.02%
Microbot Med Inc
CALL
$110,000
73.3K
Q1 2025
New holding
Microbot Med Inc
PUT
$0
200
Q1 2025
New holding
Malibu Boats Inc
CALL
$33,000
1.1K
Q1 2025
Reduced 56.0%
Malibu Boats Inc
PUT
$3,000
100
Q1 2025
Reduced 50.0%
Moelis & CO
CALL
$70,000
1.2K
Q1 2025
Reduced 77.78%
Metropolitan Bk Hldg Corp
CALL
$218,000
3.9K
Q1 2025
Reduced 13.33%
Metropolitan Bk Hldg Corp
PUT
$55,000
1K
Q1 2025
Reduced 92.65%
Metrocity Bankshares Inc
PUT
$0
100
Q1 2025
New holding
Mastercraft Boat Hldgs Inc
CALL
$15,000
900
Q1 2025
Added 12.5%
Mastercraft Boat Hldgs Inc
PUT
$3,000
200
Q1 2025
Reduced 93.94%
Marchex Inc
CALL
$0
600
Q1 2025
New holding
Moodys Corp
CALL
$5.4 Million
11.6K
Q1 2025
Added 56.76%
Moodys Corp
PUT
$1.96 Million
4.2K
Q1 2025
Reduced 72.19%
Seres Therapeutics Inc
CALL
$36,000
52.1K
Q1 2025
Reduced 78.16%
Seres Therapeutics Inc
PUT
$1,000
1.7K
Q1 2025
Reduced 98.07%
Marcus Corp Del
CALL
$16,000
1K
Q1 2025
Reduced 44.44%
Marcus Corp Del
PUT
$8,000
500
Q1 2025
New holding
Mister Car Wash Inc
PUT
$0
100
Q1 2025
Reduced 99.77%
Mercury Genl Corp New
CALL
$2.32 Million
41.5K
Q1 2025
Added 20650.0%
Mercury Genl Corp New
PUT
$698,000
12.5K
Q1 2025
New holding
Pediatrix Medical Group Inc
CALL
$253,000
17.5K
Q1 2025
Added 15.13%
Madrigal Pharmaceuticals Inc
CALL
$5.17 Million
15.6K
Q1 2025
Reduced 54.25%
Madrigal Pharmaceuticals Inc
PUT
$2.98 Million
9K
Q1 2025
Added 16.88%
Mdu Res Group Inc
CALL
$8,000
3.4K
Q1 2025
Reduced 10.53%
Mdu Res Group Inc
PUT
$1,000
900
Q1 2025
Reduced 10.0%
Mediwound LTD
CALL
$6,000
400
Q1 2025
Added 300.0%
Mediwound LTD
PUT
$29,000
1.9K
Q1 2025
Reduced 13.64%
Mimedx Group Inc
CALL
$24,000
3.2K
Q1 2025
Reduced 78.52%
Mimedx Group Inc
PUT
$104,000
13.7K
Q1 2025
Added 71.25%
Spdr S&P Midcap 400 ETF Tr
CALL
$2.19 Million
4.1K
Q1 2025
Reduced 43.06%
Medifast Inc
CALL
$215,000
16K
Q1 2025
Added 1.91%
Medifast Inc
PUT
$110,000
8.2K
Q1 2025
Added 9.33%
Medpace Hldgs Inc
CALL
$396,000
1.3K
Q1 2025
Reduced 69.05%
Medpace Hldgs Inc
PUT
$335,000
1.1K
Q1 2025
Added 10.0%
Montrose Environmental Group
CALL
$1.02 Million
71.3K
Q1 2025
Added 3465.0%

Summary

  • Portfolio
  • No. of Stocks 9,739
  • Current Value $156 Billion
  • Prior Value $3.28 Billion
  • Filing
  • Period Q1 2025
  • Filing Date May 12, 2025
  • Form Type 13F-HR
  • Activity in Q1 2025
  • New Purchases 908 stocks
  • Additional Purchases 734 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 751 stocks
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