Simplex Trading Portfolio holdings
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.
Top Buys
| 1 |
Invesco QQQ Trust
QQQ
|
+$92M |
| 2 |
Walt Disney
DIS
|
+$25.4M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$12.8M |
| 4 |
Baidu
BIDU
|
+$12.2M |
| 5 |
RHT
Red Hat Inc
RHT
|
+$11.6M |
Top Sells
| 1 |
iShares Russell 2000 ETF
IWM
|
+$61.4M |
| 2 |
Amazon
AMZN
|
+$59.6M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$35.5M |
| 4 |
Apple
AAPL
|
+$19.6M |
| 5 |
Financial Select Sector SPDR Fund
XLF
|
+$18.2M |
Sector Composition
| 1 | Communication Services | 16.98% |
| 2 | Technology | 12.42% |
| 3 | Healthcare | 10.02% |
| 4 | Consumer Discretionary | 8.53% |
| 5 | Industrials | 6.01% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1126
iShares US Telecommunications ETF
IYZ
$613M
| $44K | ﹤0.01% |
1,492
+1,350
| +951% | +$39.8K |
|
1127
Travelzoo
TZOO
$104M
| $44K | ﹤0.01% |
3,333
+1,942
| +140% | +$25.6K |
|
|
VRS
1128
DELISTED
Verso Corporation
VRS
| $44K | ﹤0.01% |
2,097
+976
| +87% | +$20.5K |
|
|
MNR
1129
DELISTED
Monmouth Real Estate Investment Corp
MNR
| $44K | ﹤0.01% |
3,377
+1,702
| +102% | +$22.2K |
|
1130
Ball Corp
BALL
$13.8B
| $43K | ﹤0.01% |
+745
| New | +$43K |
|
1131
Build-A-Bear
BBW
$955M
| $43K | ﹤0.01% |
7,073
+6,210
| +720% | +$37.8K |
|
1132
Dorman Products
DORM
$4.96B
| $43K | ﹤0.01% |
+492
| New | +$43K |
|
1133
ODP
ODP
$635M
| $43K | ﹤0.01% |
1,191
-44
| -4% | -$1.59K |
|
1134
Oil States International
OIS
$348M
| $43K | ﹤0.01% |
+2,556
| New | +$43K |
|
1135
QuinStreet
QNST
$918M
| $43K | ﹤0.01% |
+3,269
| New | +$43K |
|
1136
ProShares Ultra Health Care
RXL
$67.6M
| $43K | ﹤0.01% |
1,660
-212
| -11% | -$5.49K |
|
1137
Sandstorm Gold
SAND
$3.41B
| $43K | ﹤0.01% |
+7,942
| New | +$43K |
|
|
IVAC
1138
DELISTED
Intevac Inc
IVAC
| $43K | ﹤0.01% |
7,115
+1,657
| +30% | +$10K |
|
1139
AES
AES
$9.17B
| $42K | ﹤0.01% |
+2,360
| New | +$42K |
|
|
ARI
1140
Apollo Commercial Real Estate
ARI
$1.54B
| $42K | ﹤0.01% |
2,357
+1,278
| +118% | +$22.8K |
|
1141
City Holding Co
CHCO
$1.83B
| $42K | ﹤0.01% |
+564
| New | +$42K |
|
1142
Direxion Daily Real Estate Bull 3X Shares
DRN
$66.6M
| $42K | ﹤0.01% |
1,658
+1,249
| +305% | +$31.6K |
|
1143
IAMGOLD
IAG
$6.3B
| $42K | ﹤0.01% |
12,192
-16,409
| -57% | -$56.5K |
|
|
TTOO
1144
DELISTED
T2 Biosystems, Inc
TTOO
| $42K | ﹤0.01% |
3
+1
| +50% | +$14K |
|
|
CPE
1145
DELISTED
Callon Petroleum Company
CPE
| $42K | ﹤0.01% |
564
-3,041
| -84% | -$226K |
|
1146
Anavex Life Sciences
AVXL
$806M
| $41K | ﹤0.01% |
13,481
+6,455
| +92% | +$19.6K |
|
1147
iShares Russell 2000 Value ETF
IWN
$12B
| $41K | ﹤0.01% |
+345
| New | +$41K |
|
1148
Moelis & Co
MC
$5.6B
| $41K | ﹤0.01% |
+1,000
| New | +$41K |
|
|
AIOT
1149
PowerFleet, Inc. Common Stock
AIOT
$717M
| $41K | ﹤0.01% |
+6,992
| New | +$41K |
|
|
CURO
1150
DELISTED
CURO Group Holdings Corp.
CURO
| $41K | ﹤0.01% |
4,117
+3,553
| +630% | +$35.4K |
|