Simplex Trading

Simplex Trading Portfolio holdings

AUM $3.72B
1-Year Return 0.6%
 

Simplex Trading, founded in 2004 and headquartered in Chicago, Illinois, is a technology-driven proprietary trading firm specializing in market-making and liquidity provision, primarily in U.S. equity options and futures options. Leveraging advanced proprietary software and data-driven analysis, the firm optimizes trading strategies and develops innovative solutions to capitalize on financial market opportunities, maintaining a competitive edge through automation and a collaborative team of technologists and traders. With a workforce exceeding 300 and led by CEO Erik Swanson since 2014, Simplex operates with a low-ego, high-intelligence culture, focusing on minimal bureaucracy and rapid execution, while also making strategic venture capital investments in fintech startups. Recognized as a top workplace in Chicago by Built In’s 2025 awards, Simplex continues to evolve, blending cutting-edge technology with a commitment to market efficiency and growth.

This Quarter Return
+0.16%
1 Year Return
+0.6%
3 Year Return
+1.23%
5 Year Return
+2.7%
10 Year Return
+32.99%
AUM
$2.21B
AUM Growth
+$122M
Cap. Flow
+$30M
Cap. Flow %
1.36%
Top 10 Hldgs %
16.68%
Holding
4,807
New
840
Increased
724
Reduced
749
Closed
1,052

Sector Composition

1 Technology 21.73%
2 Consumer Discretionary 10.23%
3 Healthcare 8.76%
4 Industrials 7.59%
5 Communication Services 6.56%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
DKL icon
976
Delek Logistics
DKL
$2.38B
$109K ﹤0.01%
2,299
-2,218
-49% -$105K
FIZZ icon
977
National Beverage
FIZZ
$3.75B
$109K ﹤0.01%
2,072
-197
-9% -$10.4K
IXUS icon
978
iShares Core MSCI Total International Stock ETF
IXUS
$49.2B
$109K ﹤0.01%
+1,771
New +$109K
LABU icon
979
Direxion Daily S&P Biotech Bull 3X Shares
LABU
$716M
$108K ﹤0.01%
1,107
-234
-17% -$22.8K
LBTYK icon
980
Liberty Global Class C
LBTYK
$4.04B
$108K ﹤0.01%
5,327
+451
+9% +$9.14K
MGNI icon
981
Magnite
MGNI
$3.38B
$108K ﹤0.01%
11,727
-27,701
-70% -$255K
OCGN icon
982
Ocugen
OCGN
$334M
$108K ﹤0.01%
+126,659
New +$108K
PEY icon
983
Invesco High Yield Equity Dividend Achievers ETF
PEY
$1.13B
$108K ﹤0.01%
5,438
+5,389
+10,998% +$107K
AUDC icon
984
AudioCodes
AUDC
$294M
$107K ﹤0.01%
+7,122
New +$107K
ICUI icon
985
ICU Medical
ICUI
$3.32B
$107K ﹤0.01%
+649
New +$107K
TVTX icon
986
Travere Therapeutics
TVTX
$2.23B
$107K ﹤0.01%
+4,793
New +$107K
INDL icon
987
Direxion Daily MSCI India Bull 2X Shares
INDL
$68.3M
$106K ﹤0.01%
+2,677
New +$106K
LTC
988
LTC Properties
LTC
$1.67B
$106K ﹤0.01%
3,019
+1,346
+80% +$47.3K
SAVA icon
989
Cassava Sciences
SAVA
$104M
$106K ﹤0.01%
+4,400
New +$106K
DOMO icon
990
Domo
DOMO
$674M
$105K ﹤0.01%
7,425
+3,621
+95% +$51.2K
NRGV icon
991
Energy Vault
NRGV
$329M
$105K ﹤0.01%
49,381
+24,085
+95% +$51.2K
UEC icon
992
Uranium Energy
UEC
$5.54B
$105K ﹤0.01%
+36,697
New +$105K
CLB icon
993
Core Laboratories
CLB
$597M
$104K ﹤0.01%
4,729
+2,717
+135% +$59.8K
EVLV icon
994
Evolv Technologies
EVLV
$1.36B
$103K ﹤0.01%
+33,307
New +$103K
NOAH
995
Noah Holdings
NOAH
$796M
$103K ﹤0.01%
6,280
-42,497
-87% -$697K
RIOT icon
996
Riot Platforms
RIOT
$6.06B
$103K ﹤0.01%
10,400
-53,577
-84% -$531K
AEHR icon
997
Aehr Test Systems
AEHR
$835M
$102K ﹤0.01%
3,314
-70,883
-96% -$2.18M
BW icon
998
Babcock & Wilcox
BW
$244M
$102K ﹤0.01%
16,856
-30,915
-65% -$187K
NWL icon
999
Newell Brands
NWL
$2.55B
$102K ﹤0.01%
+8,247
New +$102K
TTT icon
1000
ProShares UltraPro Short 20+ Year Treasury
TTT
$21.5M
$102K ﹤0.01%
+1,682
New +$102K