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 | |
|---|---|---|---|---|---|---|
151
Union Pacific
UNP
$133B
| $4.05M | ﹤0.01% | 18,421 +2,937 | +19% | +$646K |
|
|
152
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$262M
| $4.03M | ﹤0.01% | 136,857 -1,313,395 | -91% | -$38.7M |
|
153
Marsh & McLennan
MMC
$101B
| $4.03M | ﹤0.01% | +28,652 | New | +$4.03M |
|
154
Direxion Daily Energy Bull 2X Shares
ERX
$233M
| $3.92M | ﹤0.01% | 138,724 -42,721 | -24% | -$1.21M |
|
155
Diamondback Energy
FANG
$43.1B
| $3.86M | ﹤0.01% | +41,105 | New | +$3.86M |
|
156
Honeywell
HON
$139B
| $3.84M | ﹤0.01% | 17,492 +17,418 | +23,538% | +$3.82M |
|
157
Broadcom
AVGO
$1.4T
| $3.78M | ﹤0.01% | 7,922 -2,415 | -23% | -$1.15M |
|
158
Occidental Petroleum
OXY
$46.9B
| $3.78M | ﹤0.01% | 120,732 -5,113 | -4% | -$160K |
|
159
NextEra Energy, Inc.
NEE
$148B
| $3.76M | ﹤0.01% | 51,353 +51,340 | +394,923% | +$3.76M |
|
160
Qorvo
QRVO
$8.4B
| $3.74M | ﹤0.01% | 19,116 +7,583 | +66% | +$1.48M |
|
161
KLA
KLAC
$115B
| $3.64M | ﹤0.01% | 11,224 +9,857 | +721% | +$3.19M |
|
162
JD.com
JD
$44.1B
| $3.63M | ﹤0.01% | 45,502 -21,421 | -32% | -$1.71M |
|
163
The Mosaic Company
MOS
$10.6B
| $3.6M | ﹤0.01% | 112,964 +6,309 | +6% | +$201K |
|
|
JWN
164
DELISTED
Nordstrom
JWN
| $3.57M | ﹤0.01% | 97,573 +61,690 | +172% | +$2.26M |
|
165
Sysco
SYY
$38.5B
| $3.49M | ﹤0.01% | 44,877 +39,800 | +784% | +$3.09M |
|
166
C3.ai
AI
$2.33B
| $3.48M | ﹤0.01% | 55,674 +30,137 | +118% | +$1.88M |
|
167
DoorDash
DASH
$105B
| $3.45M | ﹤0.01% | 19,362 +19,293 | +27,961% | +$3.44M |
|
168
iShares Global Clean Energy ETF
ICLN
$1.56B
| $3.45M | ﹤0.01% | 147,127 -148,302 | -50% | -$3.48M |
|
|
TIGR
169
UP Fintech Holding
TIGR
$2.21B
| $3.45M | ﹤0.01% | 118,985 -46,780 | -28% | -$1.36M |
|
|
ALXN
170
DELISTED
Alexion Pharmaceuticals Inc
ALXN
| $3.44M | ﹤0.01% | 18,712 -16,844 | -47% | -$3.09M |
|
171
KB Home
KBH
$4.32B
| $3.4M | ﹤0.01% | 83,440 +50,308 | +152% | +$2.05M |
|
172
Apple
AAPL
$3.45T
| $3.38M | ﹤0.01% | 24,700 -17,055 | -41% | -$2.34M |
|
173
Bank of America
BAC
$376B
| $3.38M | ﹤0.01% | 81,877 -65,130 | -44% | -$2.68M |
|
|
IPOF
174
DELISTED
Social Capital Hedosophia Holdings Corp. VI
IPOF
| $3.37M | ﹤0.01% | 330,078 +31,027 | +10% | +$316K |
|
175
Clean Energy Fuels
CLNE
$577M
| $3.34M | ﹤0.01% | 329,378 +305,933 | +1,305% | +$3.11M |
|