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
-0.58%
1 Year Return
+0.6%
3 Year Return
+1.23%
5 Year Return
+2.7%
10 Year Return
+32.99%
AUM
$3.04B
AUM Growth
-$113M
Cap. Flow
+$447M
Cap. Flow %
14.71%
Top 10 Hldgs %
32.52%
Holding
4,979
New
866
Increased
809
Reduced
954
Closed
1,058

Sector Composition

1 Technology 26.01%
2 Consumer Discretionary 9.82%
3 Communication Services 9.82%
4 Financials 8.68%
5 Healthcare 6.23%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
VST icon
201
Vistra
VST
$63.7B
$2.16M ﹤0.01%
94,655
+535
+0.6% +$12.2K
CXW icon
202
CoreCivic
CXW
$2.1B
$2.15M ﹤0.01%
193,953
+38,620
+25% +$429K
OTIS icon
203
Otis Worldwide
OTIS
$34.1B
$2.15M ﹤0.01%
30,481
+23,702
+350% +$1.67M
UNFI icon
204
United Natural Foods
UNFI
$1.75B
$2.12M ﹤0.01%
53,890
-17,311
-24% -$682K
CNQ icon
205
Canadian Natural Resources
CNQ
$63.2B
$2.12M ﹤0.01%
+80,700
New +$2.12M
DRIP icon
206
Direxion Daily S&P Oil & Gas Exp & Prod Bear 2X Shares
DRIP
$46.6M
$2.1M ﹤0.01%
85,057
+73,261
+621% +$1.81M
BZ icon
207
Kanzhun
BZ
$11.1B
$2.09M ﹤0.01%
+79,659
New +$2.09M
NVS icon
208
Novartis
NVS
$251B
$2.09M ﹤0.01%
24,765
-37,194
-60% -$3.14M
NOVA
209
DELISTED
Sunnova Energy
NOVA
$2.09M ﹤0.01%
113,450
+109,218
+2,581% +$2.01M
KBH icon
210
KB Home
KBH
$4.62B
$2.09M ﹤0.01%
73,333
+54,865
+297% +$1.56M
SWAV
211
DELISTED
Shockwave Medical, Inc. Common Stock
SWAV
$2.08M ﹤0.01%
+10,878
New +$2.08M
SABR icon
212
Sabre
SABR
$679M
$2.07M ﹤0.01%
+354,252
New +$2.07M
ADBE icon
213
Adobe
ADBE
$148B
$2.06M ﹤0.01%
+5,628
New +$2.06M
XLB icon
214
Materials Select Sector SPDR Fund
XLB
$5.52B
$2.04M ﹤0.01%
+27,653
New +$2.04M
ILMN icon
215
Illumina
ILMN
$15.6B
$2.03M ﹤0.01%
+11,329
New +$2.03M
BKR icon
216
Baker Hughes
BKR
$44.9B
$2.03M ﹤0.01%
70,283
-44,572
-39% -$1.29M
PENN icon
217
PENN Entertainment
PENN
$2.99B
$2.02M ﹤0.01%
66,442
-75,216
-53% -$2.29M
MCO icon
218
Moody's
MCO
$89.5B
$2.02M ﹤0.01%
7,420
+3,816
+106% +$1.04M
ROK icon
219
Rockwell Automation
ROK
$38.2B
$2.01M ﹤0.01%
+10,105
New +$2.01M
NUGT icon
220
Direxion Daily Gold Miners Index Bull 2X Shares
NUGT
$848M
$2.01M ﹤0.01%
58,587
+44,983
+331% +$1.54M
CVNA icon
221
Carvana
CVNA
$50.9B
$1.99M ﹤0.01%
+88,108
New +$1.99M
LBRT icon
222
Liberty Energy
LBRT
$1.7B
$1.96M ﹤0.01%
153,986
+152,779
+12,658% +$1.95M
ICE icon
223
Intercontinental Exchange
ICE
$99.7B
$1.95M ﹤0.01%
20,758
+14,373
+225% +$1.35M
CPE
224
DELISTED
Callon Petroleum Company
CPE
$1.95M ﹤0.01%
49,752
+28,865
+138% +$1.13M
JBLU icon
225
JetBlue
JBLU
$1.84B
$1.94M ﹤0.01%
232,148
+148,485
+177% +$1.24M