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
+0.1%
1 Year Return
+0.6%
3 Year Return
+1.23%
5 Year Return
+2.7%
10 Year Return
+32.99%
AUM
$3.55B
AUM Growth
+$583M
Cap. Flow
+$629M
Cap. Flow %
17.73%
Top 10 Hldgs %
31.05%
Holding
4,446
New
949
Increased
764
Reduced
722
Closed
799

Sector Composition

1 Technology 34.29%
2 Consumer Discretionary 11.38%
3 Healthcare 9.65%
4 Financials 6.33%
5 Communication Services 5.52%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
FIZZ icon
1501
National Beverage
FIZZ
$3.71B
$38K ﹤0.01%
901
-1,794
-67% -$75.7K
GB
1502
DELISTED
Global Blue Group Holding
GB
$38K ﹤0.01%
+5,517
New +$38K
JELD icon
1503
JELD-WEN Holding
JELD
$544M
$38K ﹤0.01%
4,751
+2,539
+115% +$20.3K
KRNT icon
1504
Kornit Digital
KRNT
$645M
$38K ﹤0.01%
1,243
-1,362
-52% -$41.6K
REYN icon
1505
Reynolds Consumer Products
REYN
$4.87B
$38K ﹤0.01%
+1,438
New +$38K
SKLZ icon
1506
Skillz
SKLZ
$110M
$38K ﹤0.01%
7,563
+6,941
+1,116% +$34.9K
SKT icon
1507
Tanger
SKT
$3.88B
$38K ﹤0.01%
+1,142
New +$38K
ARCT icon
1508
Arcturus Therapeutics
ARCT
$454M
$37K ﹤0.01%
2,187
+806
+58% +$13.6K
ASH icon
1509
Ashland
ASH
$2.44B
$37K ﹤0.01%
+528
New +$37K
BBH icon
1510
VanEck Biotech ETF
BBH
$350M
$37K ﹤0.01%
+236
New +$37K
BIO icon
1511
Bio-Rad Laboratories Class A
BIO
$7.59B
$37K ﹤0.01%
114
+79
+226% +$25.6K
FRSX
1512
Foresight Autonomous Holdings
FRSX
$7.97M
$37K ﹤0.01%
+3,603
New +$37K
LADR
1513
Ladder Capital
LADR
$1.49B
$37K ﹤0.01%
+3,379
New +$37K
REI icon
1514
Ring Energy
REI
$219M
$37K ﹤0.01%
27,492
-41,543
-60% -$55.9K
SATL icon
1515
Satellogic
SATL
$424M
$37K ﹤0.01%
13,119
+13,049
+18,641% +$36.8K
VRE
1516
Veris Residential
VRE
$1.49B
$37K ﹤0.01%
2,283
-1,748
-43% -$28.3K
LNSR icon
1517
LENSAR
LNSR
$147M
$36K ﹤0.01%
4,055
-7,032
-63% -$62.4K
MCFT icon
1518
MasterCraft Boat Holdings
MCFT
$364M
$36K ﹤0.01%
+1,896
New +$36K
TEAD
1519
Teads Holding Co. Common Stock
TEAD
$156M
$36K ﹤0.01%
+5,078
New +$36K
OCSL icon
1520
Oaktree Specialty Lending
OCSL
$1.21B
$36K ﹤0.01%
2,366
-10,277
-81% -$156K
SAFE
1521
Safehold
SAFE
$1.21B
$36K ﹤0.01%
+1,997
New +$36K
VCR icon
1522
Vanguard Consumer Discretionary ETF
VCR
$6.58B
$36K ﹤0.01%
+98
New +$36K
VRA icon
1523
Vera Bradley
VRA
$62.3M
$36K ﹤0.01%
9,229
-126,456
-93% -$493K
SIXG
1524
Defiance Connective Technologies ETF
SIXG
$653M
$36K ﹤0.01%
764
+569
+292% +$26.8K
EYE icon
1525
National Vision
EYE
$1.84B
$35K ﹤0.01%
3,407
+904
+36% +$9.29K