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 |
AMC Entertainment Holdings
AMC
|
$84.2M |
| 2 |
NVIDIA
NVDA
|
$35.3M |
| 3 |
AT&T
T
|
$28.5M |
| 4 |
Micron Technology
MU
|
$23.1M |
| 5 |
Baidu
BIDU
|
$22.7M |
Top Sells
| 1 |
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
|
$38.7M |
| 2 |
Palantir
PLTR
|
$29.3M |
| 3 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
$26.2M |
| 4 |
PARA
Paramount Global Class B
PARA
|
$21.7M |
| 5 |
Exxon Mobil
XOM
|
$18M |
Sector Composition
| 1 | Technology | 17.69% |
| 2 | Consumer Discretionary | 14.79% |
| 3 | Communication Services | 10.15% |
| 4 | Healthcare | 9.69% |
| 5 | Financials | 9.42% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
76
Chewy
CHWY
$16.9B
| $7.17M | 0.01% | 90,012 +63,928 | +245% | +$5.1M |
|
77
Radware
RDWR
$1.08B
| $7.12M | 0.01% | 231,259 +181,125 | +361% | +$5.57M |
|
78
DraftKings
DKNG
$23.8B
| $7.08M | 0.01% | 135,676 -39,198 | -22% | -$2.04M |
|
79
Southwest Airlines
LUV
$17.3B
| $7.02M | 0.01% | 132,154 -5,403 | -4% | -$287K |
|
80
Workday
WDAY
$61.6B
| $6.97M | 0.01% | +29,201 | New | +$6.97M |
|
81
ConocoPhillips
COP
$124B
| $6.92M | 0.01% | 113,645 -8,036 | -7% | -$489K |
|
82
Coca-Cola
KO
$297B
| $6.91M | 0.01% | 127,631 +67,481 | +112% | +$3.65M |
|
83
fuboTV
FUBO
$1.21B
| $6.9M | 0.01% | 214,833 +55,148 | +35% | +$1.77M |
|
84
Las Vegas Sands
LVS
$39.6B
| $6.86M | 0.01% | 130,257 -29,901 | -19% | -$1.58M |
|
85
Visa
V
$683B
| $6.78M | 0.01% | 29,015 +24,515 | +545% | +$5.73M |
|
86
SoFi Technologies
SOFI
$30.6B
| $6.78M | 0.01% | 353,884 +344,614 | +3,718% | +$6.61M |
|
87
Expedia Group
EXPE
$26.6B
| $6.66M | 0.01% | 40,665 +39,120 | +2,532% | +$6.4M |
|
88
iShares Expanded Tech-Software Sector ETF
IGV
$9.84B
| $6.58M | 0.01% | 16,867 -3,027 | -15% | -$1.18M |
|
89
Bristol-Myers Squibb
BMY
$96B
| $6.56M | 0.01% | 98,167 +15,427 | +19% | +$1.03M |
|
90
Tencent Music
TME
$37.8B
| $6.51M | 0.01% | 420,355 +177,083 | +73% | +$2.74M |
|
91
Shopify
SHOP
$184B
| $6.49M | 0.01% | 4,445 -6,562 | -60% | -$9.59M |
|
92
Take-Two Interactive
TTWO
$43B
| $6.49M | 0.01% | 36,687 -3,956 | -10% | -$700K |
|
93
Walmart
WMT
$774B
| $6.48M | 0.01% | 45,948 -30,384 | -40% | -$4.28M |
|
94
United States Oil Fund
USO
$967M
| $6.38M | 0.01% | 127,843 -105,260 | -45% | -$5.25M |
|
95
Qualcomm
QCOM
$173B
| $6.37M | 0.01% | 44,546 -69,713 | -61% | -$9.96M |
|
96
Caesars Entertainment
CZR
$5.57B
| $6.35M | 0.01% | 61,248 +59,302 | +3,047% | +$6.15M |
|
97
Newmont
NEM
$81.7B
| $6.31M | 0.01% | 99,630 +49,880 | +100% | +$3.16M |
|
98
Blackstone
BX
$134B
| $6.29M | 0.01% | +64,714 | New | +$6.29M |
|
|
WBA
99
DELISTED
Walgreens Boots Alliance
WBA
| $6.17M | 0.01% | 117,340 +12,096 | +11% | +$636K |
|
100
Direxion Daily Small Cap Bull 3x Shares
TNA
$2.18B
| $6.16M | 0.01% | 62,877 -2,583 | -4% | -$253K |
|