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 |
Apple
AAPL
|
+$32.1M |
| 2 |
Bausch Health
BHC
|
+$18.4M |
| 3 |
GMCR
KEURIG GREEN MTN INC
GMCR
|
+$17.9M |
| 4 |
Chipotle Mexican Grill
CMG
|
+$14.9M |
| 5 |
Amazon
AMZN
|
+$13M |
Top Sells
| 1 |
iShares Russell 2000 ETF
IWM
|
+$27.5M |
| 2 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$13.7M |
| 3 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$12.1M |
| 4 |
Netflix
NFLX
|
+$10.7M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$10.7M |
Sector Composition
| 1 | Consumer Discretionary | 17.29% |
| 2 | Healthcare | 13.74% |
| 3 | Technology | 12.76% |
| 4 | Communication Services | 12.12% |
| 5 | Industrials | 10.49% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1126
Lexicon Pharmaceuticals
LXRX
$400M
| $23K | ﹤0.01% |
1,801
-31,622
| -95% | -$404K |
|
1127
Wolverine World Wide
WWW
$2.47B
| $23K | ﹤0.01% |
+1,381
| New | +$23K |
|
|
TPC
1128
Tutor Perini Corporation
TPC
$3.37B
| $23K | ﹤0.01% |
1,425
+1,248
| +705% | +$20.1K |
|
|
BNFT
1129
DELISTED
Benefitfocus, Inc.
BNFT
| $23K | ﹤0.01% |
653
-472
| -42% | -$16.6K |
|
|
GLBL
1130
DELISTED
TerraForm Global, Inc. Class A Common Stock
GLBL
| $23K | ﹤0.01% |
4,232
+1,220
| +41% | +$6.63K |
|
1131
Inogen
INGN
$230M
| $22K | ﹤0.01% |
564
+548
| +3,425% | +$21.4K |
|
1132
O-I Glass
OI
$1.97B
| $22K | ﹤0.01% |
1,266
+522
| +70% | +$9.07K |
|
1133
Vince Holding
VNCE
$33.8M
| $22K | ﹤0.01% |
485
+97
| +25% | +$4.4K |
|
|
CNXM
1134
DELISTED
CNX Midstream Partners LP
CNXM
| $22K | ﹤0.01% |
+2,249
| New | +$22K |
|
|
MSCC
1135
DELISTED
Microsemi Corp
MSCC
| $22K | ﹤0.01% |
678
-130
| -16% | -$4.22K |
|
|
ATW
1136
DELISTED
Atwood Oceanics
ATW
| $22K | ﹤0.01% |
+2,177
| New | +$22K |
|
|
KCG
1137
DELISTED
KCG Holdings, Inc.
KCG
| $22K | ﹤0.01% |
1,851
-2,203
| -54% | -$26.2K |
|
|
HAWK
1138
DELISTED
Blackhawk Network Holdings, Inc. Common Stock
HAWK
| $22K | ﹤0.01% |
519
-924
| -64% | -$39.2K |
|
1139
First Majestic Silver
AG
$5.07B
| $21K | ﹤0.01% |
6,496
+4,000
| +160% | +$12.9K |
|
|
AHT
1140
Ashford Hospitality Trust
AHT
$38M
| $21K | ﹤0.01% |
3
-1
| -25% | -$7K |
|
1141
Amkor Technology
AMKR
$6.68B
| $21K | ﹤0.01% |
3,547
+3,390
| +2,159% | +$20.1K |
|
1142
Cytosorbents Corp
CTSO
$57.1M
| $21K | ﹤0.01% |
3,904
+3,129
| +404% | +$16.8K |
|
1143
DHT Holdings
DHT
$2.04B
| $21K | ﹤0.01% |
+2,653
| New | +$21K |
|
1144
Edison International
EIX
$21.2B
| $21K | ﹤0.01% |
363
-97
| -21% | -$5.61K |
|
1145
FuelCell Energy
FCEL
$219M
| $21K | ﹤0.01% |
+12
| New | +$21K |
|
1146
HEICO
HEI
$44.9B
| $21K | ﹤0.01% |
+977
| New | +$21K |
|
1147
Louisiana-Pacific
LPX
$6.54B
| $21K | ﹤0.01% |
1,167
+657
| +129% | +$11.8K |
|
1148
Marvell Technology
MRVL
$59.4B
| $21K | ﹤0.01% |
+2,484
| New | +$21K |
|
1149
PhenixFIN
PFX
$96.4M
| $21K | ﹤0.01% |
+143
| New | +$21K |
|
1150
ProShares Ultra Industrials
UXI
$25.2M
| $21K | ﹤0.01% |
+2,400
| New | +$21K |
|