Simplex Trading, LLC Options Holdings

Simplex Trading, LLC

  • $175 Billion
  • Q2 2025

Options Holdings Table

Stock Option Type Value Options Held Last Trade Trade History
Macrogenics Inc
PUT
$6,000
5.1K
Q2 2025
Reduced 17.74%
Mgp Ingredients Inc New
CALL
$110,000
3.7K
Q2 2025
Reduced 90.39%
Mgp Ingredients Inc New
PUT
$56,000
1.9K
Q2 2025
Added 18.75%
Meiragtx Hldgs PLC
CALL
$76,000
11.7K
Q2 2025
Added 116.67%
Meiragtx Hldgs PLC
PUT
$20,000
3.1K
Q2 2025
Reduced 59.74%
Magnolia Oil & Gas Corp
CALL
$13,000
600
Q2 2025
Reduced 85.37%
Magnolia Oil & Gas Corp
PUT
$152,000
6.8K
Q2 2025
Added 325.0%
Mohawk Inds Inc
CALL
$104,000
1K
Q2 2025
Added 150.0%
Mohawk Inds Inc
PUT
$62,000
600
Q2 2025
Reduced 95.52%
M/I Homes Inc
CALL
$145,000
1.3K
Q2 2025
Reduced 76.79%
Middleby Corp
CALL
$2.2 Million
15.3K
Q2 2025
Added 30.77%
Middleby Corp
PUT
$57,000
400
Q2 2025
Reduced 97.56%
Mirion Technologies Inc
CALL
$2.03 Million
94.1K
Q2 2025
Added 14.9%
Mirum Pharmaceuticals Inc
CALL
$147,000
2.9K
Q2 2025
Reduced 6.45%
Milestone Pharmaceuticals In
CALL
$245,000
127K
Q2 2025
Added 165.27%
Milestone Pharmaceuticals In
PUT
$13,000
7K
Q2 2025
Reduced 30.0%
Mitek Sys Inc
CALL
$10,000
1.1K
Q2 2025
Reduced 31.25%
Mitek Sys Inc
PUT
$24,000
2.5K
Q1 2025
Added 13.64%
Ag Mtg Invt Tr Inc
CALL
$19,000
2.6K
Q2 2025
Reduced 21.21%
Ag Mtg Invt Tr Inc
PUT
$0
100
Q2 2025
Reduced 66.67%
Mccormick & CO Inc
CALL
$2.42 Million
31.9K
Q2 2025
Added 43.69%
Mccormick & CO Inc
PUT
$2.96 Million
39K
Q2 2025
Added 57.89%
Markel Group Inc
CALL
$1.8 Million
900
Q2 2025
Added 80.0%
Markel Group Inc
PUT
$1.2 Million
600
Q2 2025
New holding
Mks Inc.
CALL
$1.86 Million
18.7K
Q2 2025
Added 246.3%
Mks Inc.
PUT
$635,000
6.4K
Q2 2025
Reduced 45.3%
Marketaxess Hldgs Inc
CALL
$1.59 Million
7.1K
Q2 2025
Reduced 69.92%
Marketaxess Hldgs Inc
PUT
$67,000
300
Q2 2025
Reduced 86.96%
Melco Resorts And Entmnt LTD
CALL
$892,000
124K
Q2 2025
Reduced 54.8%
Melco Resorts And Entmnt LTD
PUT
$933,000
129K
Q2 2025
Added 4.53%
Microalgo Inc
CALL
$16,000
133K
Q2 2025
New holding
Microalgo Inc
PUT
$20,000
26.3K
Q2 2025
Added 5160.0%
Mueller Inds Inc
CALL
$1 Million
12.6K
Q2 2025
Added 26.0%
Mueller Inds Inc
PUT
$7,000
100
Q2 2025
Reduced 97.73%
Millerknoll Inc
CALL
$1,000
100
Q2 2025
New holding
Millerknoll Inc
PUT
$201,000
10.4K
Q2 2025
Reduced 46.39%
Martin Marietta Matls Inc
CALL
$768,000
1.4K
Q2 2025
Reduced 26.32%
Martin Marietta Matls Inc
PUT
$3.02 Million
5.5K
Q2 2025
Reduced 1.79%
Meridianlink Inc
CALL
$14,000
900
Q2 2025
Added 12.5%
Miller Inds Inc Tenn
CALL
$4,000
100
Q1 2025
New holding
Moonlake Immunotherapeutics
CALL
$736,000
15.6K
Q2 2025
Reduced 28.44%
Moonlake Immunotherapeutics
PUT
$1.11 Million
23.5K
Q2 2025
New holding
Mineralys Therapeutics Inc
CALL
$12,000
900
Q2 2025
Reduced 84.75%
Marsh & Mclennan Cos Inc
CALL
$3.17 Million
14.5K
Q2 2025
Added 21.85%
Marsh & Mclennan Cos Inc
PUT
$5.16 Million
23.6K
Q2 2025
Added 43.03%
Marcus & Millichap Inc
CALL
$18,000
600
Q2 2025
New holding
Martin Midstream Prtnrs L P
CALL
$5,000
1.9K
Q1 2025
Added 1800.0%
Maximus Inc
CALL
$21,000
300
Q2 2025
New holding
Merit Med Sys Inc
CALL
$420,000
4.5K
Q2 2025
New holding

Summary

  • Portfolio
  • No. of Stocks 9,904
  • Current Value $175 Billion
  • Prior Value $156 Billion
  • Filing
  • Period Q2 2025
  • Filing Date August 05, 2025
  • Form Type 13F-HR
  • Activity in Q2 2025
  • New Purchases 905 stocks
  • Additional Purchases 800 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 715 stocks
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