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 |
Goldman Sachs
GS
|
$38.4M |
| 2 |
Micron Technology
MU
|
$23.7M |
| 3 |
NVIDIA
NVDA
|
$23.6M |
| 4 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$21.7M |
| 5 |
Wells Fargo
WFC
|
$20.4M |
Top Sells
| 1 |
Citigroup
C
|
$21.6M |
| 2 |
Apple
AAPL
|
$17.2M |
| 3 |
Invesco QQQ Trust
QQQ
|
$13.3M |
| 4 |
Eli Lilly
LLY
|
$9.69M |
| 5 |
Mastercard
MA
|
$8.27M |
Sector Composition
| 1 | Technology | 14.2% |
| 2 | Communication Services | 13.46% |
| 3 | Consumer Discretionary | 12.76% |
| 4 | Healthcare | 12.43% |
| 5 | Financials | 10.75% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
76
Citigroup
C
$178B
| $4.48M | 0.19% | 74,835 -361,371 | -83% | -$21.6M |
|
77
FedEx
FDX
$54.5B
| $4.44M | 0.19% | 22,755 +20,944 | +1,156% | +$4.09M |
|
78
DuPont de Nemours
DD
$32.2B
| $4.36M | 0.19% | 68,591 -15,050 | -18% | -$956K |
|
|
CIT
79
DELISTED
CIT Group Inc.
CIT
| $4.22M | 0.18% | +98,311 | New | +$4.22M |
|
80
SPDR S&P Regional Banking ETF
KRE
$3.99B
| $4.18M | 0.18% | +76,549 | New | +$4.18M |
|
81
Teva Pharmaceuticals
TEVA
$21.1B
| $4.17M | 0.18% | 129,942 +55,381 | +74% | +$1.78M |
|
82
Boeing
BA
$177B
| $4.08M | 0.18% | +23,070 | New | +$4.08M |
|
|
ANDV
83
DELISTED
Andeavor
ANDV
| $3.99M | 0.17% | +49,269 | New | +$3.99M |
|
84
Devon Energy
DVN
$22.9B
| $3.95M | 0.17% | +94,590 | New | +$3.95M |
|
85
Signet Jewelers
SIG
$3.62B
| $3.93M | 0.17% | 56,784 +54,575 | +2,471% | +$3.78M |
|
|
TSRO
86
DELISTED
TESARO, Inc.
TSRO
| $3.85M | 0.17% | +25,043 | New | +$3.85M |
|
|
GG
87
DELISTED
Goldcorp Inc
GG
| $3.72M | 0.16% | 254,947 +195,891 | +332% | +$2.86M |
|
88
Kimberly-Clark
KMB
$42.8B
| $3.66M | 0.16% | +27,803 | New | +$3.66M |
|
89
Alcoa
AA
$8.33B
| $3.63M | 0.16% | +105,613 | New | +$3.63M |
|
90
Schlumberger
SLB
$55B
| $3.59M | 0.16% | 45,908 +44,807 | +4,070% | +$3.5M |
|
91
Bausch Health
BHC
$2.74B
| $3.51M | 0.15% | 317,899 +68,464 | +27% | +$755K |
|
92
VanEck Gold Miners ETF
GDX
$19B
| $3.47M | 0.15% | 151,969 -172,555 | -53% | -$3.94M |
|
93
JD.com
JD
$44.1B
| $3.37M | 0.15% | +108,344 | New | +$3.37M |
|
94
Lumentum
LITE
$9.28B
| $3.37M | 0.15% | 63,098 +59,832 | +1,832% | +$3.19M |
|
95
Vale
VALE
$43.9B
| $3.36M | 0.15% | +354,136 | New | +$3.36M |
|
96
Intuit
INTU
$186B
| $3.28M | 0.14% | +28,279 | New | +$3.28M |
|
97
Morgan Stanley
MS
$240B
| $3.25M | 0.14% | +75,966 | New | +$3.25M |
|
98
Sprouts Farmers Market
SFM
$13.7B
| $3.16M | 0.14% | 136,729 +136,630 | +138,010% | +$3.16M |
|
99
Tyson Foods
TSN
$20.2B
| $3.15M | 0.14% | +51,071 | New | +$3.15M |
|
100
Microchip Technology
MCHP
$35.1B
| $3.15M | 0.14% | +42,654 | New | +$3.15M |
|