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
Macom Tech Solutions Hldgs I
PUT
$57,000
400
Q2 2025
Added 300.0%
Metsera Inc
CALL
$71,000
2.5K
Q2 2025
New holding
Metsera Inc
PUT
$961,000
33.8K
Q2 2025
New holding
Metallus Inc
CALL
$18,000
1.2K
Q2 2025
Added 140.0%
Manitowoc CO Inc
CALL
$72,000
6K
Q2 2025
Added 2900.0%
Manitowoc CO Inc
PUT
$1.61 Million
134K
Q2 2025
New holding
Mastec Inc
CALL
$1.74 Million
10.2K
Q2 2025
Added 27.5%
Mastec Inc
PUT
$238,000
1.4K
Q2 2025
Reduced 93.64%
Mitsubishi Ufj Finl Group In
CALL
$366,000
26.7K
Q2 2025
Reduced 58.35%
Mitsubishi Ufj Finl Group In
PUT
$419,000
30.6K
Q2 2025
Added 282.5%
Murphy Oil Corp
PUT
$508,000
22.6K
Q2 2025
Reduced 81.98%
Mural Oncology Pub LTD CO
CALL
$147,000
59.7K
Q2 2025
Added 2495.65%
Mural Oncology Pub LTD CO
PUT
$643,000
261K
Q2 2025
Added 724.68%
Murphy Usa Inc
CALL
$3.09 Million
7.6K
Q2 2025
Added 985.71%
Mcewen Inc.
CALL
$2.81 Million
293K
Q2 2025
Reduced 25.66%
Mcewen Inc.
PUT
$690,000
71.9K
Q2 2025
Added 183.07%
Microvision Inc Del
CALL
$732,000
643K
Q2 2025
Added 148.28%
Microvision Inc Del
PUT
$147,000
129K
Q2 2025
Reduced 36.61%
Mv Oil Tr
CALL
$35,000
6.1K
Q2 2025
Added 369.23%
Mv Oil Tr
PUT
$99,000
17.3K
Q2 2025
Added 8550.0%
Microvast Holdings Inc
CALL
$1.56 Million
431K
Q2 2025
Added 132.88%
Microvast Holdings Inc
PUT
$602,000
166K
Q2 2025
Added 7.1%
Mueller Wtr Prods Inc
CALL
$72,000
3K
Q2 2025
Reduced 84.21%
Mueller Wtr Prods Inc
PUT
$24,000
1K
Q2 2025
Added 150.0%
Magnachip Semiconductor Corp
PUT
$1,000
400
Q2 2025
Reduced 91.84%
Maxcyte Inc
PUT
$0
100
Q2 2025
New holding
Maxlinear Inc
CALL
$399,000
28.1K
Q2 2025
Reduced 53.71%
Maxlinear Inc
PUT
$296,000
20.9K
Q2 2025
Reduced 5.0%
Myers Inds Inc
CALL
$11,000
800
Q2 2025
New holding
Myers Inds Inc
PUT
$1,000
100
Q1 2025
New holding
Myriad Genetics Inc
CALL
$5,000
1.1K
Q2 2025
Added 37.5%
Myriad Genetics Inc
PUT
$30,000
5.7K
Q2 2025
Added 418.18%
Myomo Inc
CALL
$6,000
2.9K
Q2 2025
Reduced 9.38%
Myomo Inc
PUT
$0
400
Q2 2025
New holding
Myr Group Inc Del
CALL
$36,000
200
Q2 2025
New holding
Nano Labs LTD
CALL
$30,000
3.3K
Q2 2025
New holding
Nano Labs LTD
PUT
$53,000
5.8K
Q2 2025
New holding
N Able Inc
CALL
$145,000
18K
Q2 2025
New holding
N Able Inc
PUT
$76,000
9.5K
Q1 2025
New holding
Niagen Bioscience Inc
CALL
$180,000
12.5K
Q2 2025
Added 5.93%
Niagen Bioscience Inc
PUT
$181,000
12.6K
Q2 2025
Added 133.33%
Northern Dynasty Minerals Lt
CALL
$759,000
567K
Q2 2025
Added 160.4%
Northern Dynasty Minerals Lt
PUT
$654,000
488K
Q2 2025
Added 225.18%
Newamsterdam Pharma Company
CALL
$188,000
10.4K
Q2 2025
Added 1200.0%
Newamsterdam Pharma Company
PUT
$298,000
16.5K
Q2 2025
Reduced 1.79%
Nordic American Tankers Limi
CALL
$659,000
251K
Q2 2025
Added 84.88%
Nordic American Tankers Limi
PUT
$486,000
185K
Q2 2025
Added 8.76%
Ncr Atleos Corporation
CALL
$302,000
10.6K
Q2 2025
Added 12.77%
Ncr Atleos Corporation
PUT
$1.76 Million
61.6K
Q2 2025
Added 569.57%

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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