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
Kilroy Rlty Corp
PUT
$133,000
3.9K
Q2 2025
Reduced 82.27%
Kkr Real Estate Fin Tr Inc
CALL
$9,000
1.1K
Q2 2025
Reduced 8.33%
Kkr Real Estate Fin Tr Inc
PUT
$433,000
49.4K
Q2 2025
Added 3.35%
Kite Rlty Group Tr
CALL
$11,000
500
Q2 2025
Added 150.0%
Kite Rlty Group Tr
PUT
$18,000
800
Q2 2025
Added 166.67%
Kronos Worldwide Inc
CALL
$1,000
200
Q2 2025
Reduced 33.33%
Kronos Worldwide Inc
PUT
$0
100
Q2 2025
New holding
Keros Therapeutics Inc
CALL
$1.96 Million
147K
Q2 2025
Reduced 27.21%
Keros Therapeutics Inc
PUT
$1.94 Million
145K
Q2 2025
Added 8.94%
Kimbell Rty Partners LP
CALL
$2.76 Million
198K
Q2 2025
Reduced 10.94%
Krystal Biotech Inc
CALL
$1.13 Million
8.2K
Q2 2025
New holding
Krystal Biotech Inc
PUT
$206,000
1.5K
Q2 2025
Added 1400.0%
Kaspi Kz Jsc
CALL
$50,000
600
Q2 2025
Reduced 97.27%
Kaspi Kz Jsc
PUT
$398,000
4.7K
Q2 2025
Added 1466.67%
Kohls Corp
CALL
$3.36 Million
397K
Q2 2025
Reduced 47.45%
Kohls Corp
PUT
$4.05 Million
477K
Q2 2025
Added 15.74%
Kt Corp
CALL
$2,000
100
Q2 2025
Reduced 50.0%
Kontoor Brands Inc
CALL
$32,000
500
Q2 2025
Reduced 70.59%
Kontoor Brands Inc
PUT
$19,000
300
Q2 2025
Added 200.0%
Kratos Defense & Sec Solutio
CALL
$8.06 Million
174K
Q2 2025
Added 104.0%
Kratos Defense & Sec Solutio
PUT
$6.04 Million
130K
Q2 2025
Added 86.12%
Kulr Technology Group Inc
CALL
$4.5 Million
631K
Q2 2025
New holding
Kulr Technology Group Inc
PUT
$3.42 Million
479K
Q2 2025
New holding
Kura Oncology Inc
CALL
$5,000
1K
Q2 2025
Added 25.0%
Kura Oncology Inc
PUT
$0
100
Q2 2025
Reduced 99.01%
Klaviyo Inc
CALL
$2.98 Million
88.6K
Q2 2025
Reduced 51.9%
Klaviyo Inc
PUT
$5.11 Million
152K
Q2 2025
Reduced 20.7%
Kennedy Wilson Holdings Inc
CALL
$13,000
2K
Q2 2025
Reduced 77.78%
Kennedy Wilson Holdings Inc
PUT
$42,000
6.3K
Q2 2025
Added 6200.0%
Quaker Houghton
CALL
$167,000
1.5K
Q2 2025
Added 650.0%
Kymera Therapeutics Inc
CALL
$1.31 Million
30.1K
Q2 2025
Added 8.66%
Kymera Therapeutics Inc
PUT
$244,000
5.6K
Q2 2025
New holding
Kayne Anderson Energy Infrst
CALL
$300,000
23.6K
Q2 2025
Added 145.83%
Kayne Anderson Energy Infrst
PUT
$39,000
3.1K
Q2 2025
Reduced 72.57%
Kyverna Therapeutics Inc
CALL
$97,000
31.6K
Q2 2025
New holding
Kezar Life Sciences Inc
PUT
$1,000
400
Q1 2025
Reduced 33.33%
Loews Corp
CALL
$64,000
700
Q2 2025
Added 40.0%
Loews Corp
PUT
$320,000
3.5K
Q2 2025
New holding
Standard Biotools Inc
CALL
$20,000
17.1K
Q2 2025
Added 8450.0%
Standard Biotools Inc
PUT
$0
400
Q2 2025
New holding
Lithium Amers Corp New
CALL
$1.83 Million
682K
Q2 2025
Added 19.94%
Lithium Amers Corp New
PUT
$437,000
163K
Q2 2025
Reduced 27.58%
Lithia Mtrs Inc
CALL
$33,000
100
Q2 2025
Reduced 50.0%
Lithia Mtrs Inc
PUT
$2.7 Million
8K
Q2 2025
Reduced 72.22%
Ladder Cap Corp
CALL
$21,000
2K
Q2 2025
Reduced 28.57%
Ladder Cap Corp
PUT
$1,000
100
Q2 2025
Reduced 99.36%
Sealsq Corp
CALL
$1.84 Million
457K
Q2 2025
Added 285.88%
Sealsq Corp
PUT
$762,000
189K
Q2 2025
Added 1214.58%
Lakeland Inds Inc
PUT
$25,000
1.9K
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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