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
EQH icon
1001
Equitable Holdings
EQH
$16.1B
$101K ﹤0.01%
+4,015
New +$101K
ITRN icon
1002
Ituran Location and Control
ITRN
$700M
$101K ﹤0.01%
4,643
-10,506
-69% -$229K
TYL icon
1003
Tyler Technologies
TYL
$24B
$101K ﹤0.01%
+287
New +$101K
ALRM icon
1004
Alarm.com
ALRM
$2.81B
$100K ﹤0.01%
+1,996
New +$100K
FXE icon
1005
Invesco CurrencyShares Euro Currency Trust
FXE
$531M
$100K ﹤0.01%
1,000
-40,685
-98% -$4.07M
SB icon
1006
Safe Bulkers
SB
$456M
$100K ﹤0.01%
27,334
-47,898
-64% -$175K
UHAL icon
1007
U-Haul Holding Co
UHAL
$11B
$100K ﹤0.01%
+1,680
New +$100K
DJT icon
1008
Trump Media & Technology Group
DJT
$4.75B
$100K ﹤0.01%
7,130
-72,383
-91% -$1.02M
CSWC icon
1009
Capital Southwest
CSWC
$1.27B
$99K ﹤0.01%
5,616
+394
+8% +$6.95K
PRI icon
1010
Primerica
PRI
$8.89B
$99K ﹤0.01%
575
+573
+28,650% +$98.7K
REZI icon
1011
Resideo Technologies
REZI
$5.49B
$99K ﹤0.01%
5,422
+4,421
+442% +$80.7K
VRE
1012
Veris Residential
VRE
$1.51B
$98K ﹤0.01%
6,746
-16,241
-71% -$236K
IYE icon
1013
iShares US Energy ETF
IYE
$1.16B
$97K ﹤0.01%
+2,235
New +$97K
CACI icon
1014
CACI
CACI
$10.8B
$96K ﹤0.01%
327
+176
+117% +$51.7K
EXFY icon
1015
Expensify
EXFY
$181M
$96K ﹤0.01%
11,871
+11,758
+10,405% +$95.1K
SCS icon
1016
Steelcase
SCS
$1.94B
$96K ﹤0.01%
11,490
-19,119
-62% -$160K
ALTO icon
1017
Alto Ingredients
ALTO
$91.3M
$95K ﹤0.01%
63,550
-174,595
-73% -$261K
CDZI icon
1018
Cadiz
CDZI
$308M
$95K ﹤0.01%
23,753
+4,642
+24% +$18.6K
EMBC icon
1019
Embecta
EMBC
$897M
$95K ﹤0.01%
3,410
+640
+23% +$17.8K
DXLG icon
1020
Destination XL Group
DXLG
$73.8M
$94K ﹤0.01%
17,130
+10,457
+157% +$57.4K
EAT icon
1021
Brinker International
EAT
$7.06B
$94K ﹤0.01%
+2,482
New +$94K
SBH icon
1022
Sally Beauty Holdings
SBH
$1.51B
$94K ﹤0.01%
6,096
-43,828
-88% -$676K
VNET
1023
VNET Group
VNET
$2.45B
$94K ﹤0.01%
29,077
-47,940
-62% -$155K
CHIQ icon
1024
Global X MSCI China Consumer Discretionary ETF
CHIQ
$249M
$93K ﹤0.01%
+4,647
New +$93K
CPT icon
1025
Camden Property Trust
CPT
$11.9B
$93K ﹤0.01%
+888
New +$93K