Simplex Trading

Simplex Trading Portfolio holdings

AUM $3.72B
 

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
-0.62%
1 Year Return
+0.6%
3 Year Return
+1.23%
5 Year Return
+2.7%
10 Year Return
+32.99%
AUM
$1.14B
AUM Growth
+$1.14B
Cap. Flow
-$287M
Cap. Flow %
-25.07%
Top 10 Hldgs %
32%
Holding
3,606
New
746
Increased
552
Reduced
617
Closed
854

Sector Composition

1 Communication Services 14.71%
2 Consumer Discretionary 14.32%
3 Technology 11.86%
4 Financials 7.38%
5 Industrials 6.44%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
DHI icon
51
D.R. Horton
DHI
$51.7B
$3.57M 0.01%
+102,980
New +$3.57M
XLY icon
52
Consumer Discretionary Select Sector SPDR Fund
XLY
$23.2B
$3.54M 0.01%
35,726
+10,386
+41% +$1.03M
USB icon
53
US Bancorp
USB
$75.1B
$3.48M 0.01%
76,120
-41,517
-35% -$1.9M
FL icon
54
Foot Locker
FL
$2.3B
$3.35M 0.01%
+62,957
New +$3.35M
TZA icon
55
Direxion Daily Small Cap Bear 3x Shares
TZA
$303M
$3.29M 0.01%
+215,994
New +$3.29M
M icon
56
Macy's
M
$4.29B
$3.27M 0.01%
109,965
+43,873
+66% +$1.31M
FDX icon
57
FedEx
FDX
$53.1B
$3.26M 0.01%
20,219
-21,990
-52% -$3.55M
RL icon
58
Ralph Lauren
RL
$18.9B
$3.19M 0.01%
30,827
+25,046
+433% +$2.59M
XBI icon
59
SPDR S&P Biotech ETF
XBI
$5.26B
$3.14M 0.01%
+43,720
New +$3.14M
FXY icon
60
Invesco CurrencyShares Japanese Yen Trust
FXY
$560M
$3.12M 0.01%
35,862
+10,228
+40% +$891K
HAL icon
61
Halliburton
HAL
$18.7B
$3.08M 0.01%
115,931
+9,625
+9% +$256K
LULU icon
62
lululemon athletica
LULU
$24B
$3.04M 0.01%
25,011
-779
-3% -$94.7K
ULTA icon
63
Ulta Beauty
ULTA
$24B
$3.02M 0.01%
12,326
-4,300
-26% -$1.05M
MO icon
64
Altria Group
MO
$111B
$3.02M 0.01%
61,059
+57,677
+1,705% +$2.85M
QSR icon
65
Restaurant Brands International
QSR
$20.5B
$3M 0.01%
+57,282
New +$3M
AIG icon
66
American International
AIG
$44.8B
$2.96M 0.01%
75,175
-7,822
-9% -$308K
FAS icon
67
Direxion Daily Financial Bull 3x Shares
FAS
$2.63B
$2.94M 0.01%
+65,655
New +$2.94M
HLF icon
68
Herbalife
HLF
$1.02B
$2.93M 0.01%
49,747
+41,713
+519% +$2.46M
CNC icon
69
Centene
CNC
$14.5B
$2.89M 0.01%
+25,027
New +$2.89M
LVS icon
70
Las Vegas Sands
LVS
$38.2B
$2.83M 0.01%
54,464
-16,271
-23% -$847K
UNH icon
71
UnitedHealth
UNH
$276B
$2.8M 0.01%
11,225
+545
+5% +$136K
PEP icon
72
PepsiCo
PEP
$202B
$2.77M 0.01%
+25,038
New +$2.77M
TRV icon
73
Travelers Companies
TRV
$61.8B
$2.69M 0.01%
+22,430
New +$2.69M
CL icon
74
Colgate-Palmolive
CL
$67.3B
$2.55M 0.01%
+42,849
New +$2.55M
EWY icon
75
iShares MSCI South Korea ETF
EWY
$5.18B
$2.55M 0.01%
43,253
+24,460
+130% +$1.44M