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 |
iShares Russell 2000 ETF
IWM
|
$27.5M |
| 2 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
$16.3M |
| 3 |
Walt Disney
DIS
|
$13.9M |
| 4 |
iShares MSCI Emerging Markets ETF
EEM
|
$10.4M |
| 5 |
Gilead Sciences
GILD
|
$10.4M |
Top Sells
| 1 |
Alphabet (Google) Class C
GOOG
|
$95.3M |
| 2 |
Apple
AAPL
|
$21.1M |
| 3 |
Meta Platforms (Facebook)
META
|
$20M |
| 4 |
IBM
IBM
|
$13.4M |
| 5 |
Baidu
BIDU
|
$12.1M |
Sector Composition
| 1 | Healthcare | 13.63% |
| 2 | Communication Services | 9.81% |
| 3 | Consumer Discretionary | 9.7% |
| 4 | Technology | 9.67% |
| 5 | Financials | 9.48% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
CVC
76
DELISTED
CABLEVISION SYS CP NY GRP CL-A
CVC
| $1.62M | 0.12% |
+49,887
| New | +$1.62M |
|
77
Monster Beverage
MNST
$62B
| $1.61M | 0.12% |
71,460
+61,884
| +646% | +$1.39M |
|
78
Direxion Daily Small Cap Bull 3x Shares
TNA
$2.21B
| $1.6M | 0.12% |
54,104
+2,586
| +5% | +$76.3K |
|
|
OVTI
79
DELISTED
OMNIVISION TECHNOLOGIES INC
OVTI
| $1.6M | 0.12% |
60,793
+15,042
| +33% | +$395K |
|
80
Kimberly-Clark
KMB
$42.9B
| $1.59M | 0.12% |
14,578
+12,178
| +507% | +$1.33M |
|
81
ProShares Ultra Bloomberg Crude Oil
UCO
$369M
| $1.55M | 0.11% |
5,476
+674
| +14% | +$191K |
|
82
Kraft Heinz
KHC
$31.9B
| $1.55M | 0.11% |
+21,929
| New | +$1.55M |
|
83
iShares Russell 2000 Growth ETF
IWO
$12.4B
| $1.54M | 0.11% |
+11,481
| New | +$1.54M |
|
84
VanEck Semiconductor ETF
SMH
$27B
| $1.54M | 0.11% |
61,574
+7,542
| +14% | +$188K |
|
85
SPDR S&P Retail ETF
XRT
$439M
| $1.51M | 0.11% |
+34,103
| New | +$1.51M |
|
|
MDVN
86
DELISTED
MEDIVATION, INC.
MDVN
| $1.5M | 0.11% |
+35,331
| New | +$1.5M |
|
87
Walmart
WMT
$805B
| $1.48M | 0.11% |
68,271
-176,430
| -72% | -$3.81M |
|
88
Kinder Morgan
KMI
$59.4B
| $1.47M | 0.11% |
+53,068
| New | +$1.47M |
|
|
SLH
89
DELISTED
SOLERA HOLDINGS, INC. COM
SLH
| $1.45M | 0.11% |
+26,852
| New | +$1.45M |
|
90
GE Aerospace
GE
$299B
| $1.44M | 0.11% |
11,901
+10,100
| +561% | +$1.22M |
|
|
BEAV
91
DELISTED
B/E Aerospace Inc
BEAV
| $1.43M | 0.11% |
32,649
+28,185
| +631% | +$1.24M |
|
92
Ralph Lauren
RL
$19.4B
| $1.39M | 0.1% |
+11,755
| New | +$1.39M |
|
93
Invesco DB US Dollar Index Bullish Fund
UUP
$175M
| $1.39M | 0.1% |
+55,306
| New | +$1.39M |
|
94
APA Corp
APA
$8.39B
| $1.38M | 0.1% |
35,287
+19,641
| +126% | +$769K |
|
|
HME
95
DELISTED
HOME PROPERTIES, INC
HME
| $1.36M | 0.1% |
18,225
+8,160
| +81% | +$610K |
|
|
VIAB
96
DELISTED
Viacom Inc. Class B
VIAB
| $1.32M | 0.1% |
30,704
+4,338
| +16% | +$187K |
|
97
Deutsche Bank
DB
$68B
| $1.32M | 0.1% |
54,890
+28,160
| +105% | +$678K |
|
|
CTXS
98
DELISTED
Citrix Systems Inc
CTXS
| $1.31M | 0.1% |
23,774
+961
| +4% | +$53K |
|
99
Materials Select Sector SPDR Fund
XLB
$5.48B
| $1.31M | 0.1% |
+32,704
| New | +$1.31M |
|
100
General Motors
GM
$55.4B
| $1.3M | 0.1% |
43,173
+21,553
| +100% | +$647K |
|