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 |
Energy Select Sector SPDR Fund
XLE
|
+$93.9M |
| 2 |
Pfizer
PFE
|
+$89.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Intel
INTC
|
+$60.2M |
| 5 |
Meta Platforms (Facebook)
META
|
+$52.5M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$146M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$109M |
| 3 |
Alibaba
BABA
|
+$81.8M |
| 4 |
Walt Disney
DIS
|
+$80.2M |
| 5 |
Citigroup
C
|
+$55.3M |
Sector Composition
| 1 | Technology | 19.03% |
| 2 | Healthcare | 13.86% |
| 3 | Consumer Discretionary | 12.44% |
| 4 | Industrials | 8.48% |
| 5 | Communication Services | 7.95% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
176
iShares US Real Estate ETF
IYR
$3.64B
| $3.74M | ﹤0.01% |
+41,596
| New | +$3.74M |
|
177
Lamb Weston
LW
$7.76B
| $3.73M | ﹤0.01% |
+35,031
| New | +$3.73M |
|
178
International Flavors & Fragrances
IFF
$16.3B
| $3.73M | ﹤0.01% |
+43,374
| New | +$3.73M |
|
179
Direxion Daily 20+ Year Treasury Bull 3X Shares
TMF
$5.01B
| $3.68M | ﹤0.01% |
67,561
-5,189
| -7% | -$283K |
|
180
Ferrari
RACE
$85.4B
| $3.68M | ﹤0.01% |
8,435
+3,444
| +69% | +$1.5M |
|
181
Deutsche Bank
DB
$69.8B
| $3.63M | ﹤0.01% |
229,936
+188,664
| +457% | +$2.98M |
|
182
Perrigo
PRGO
$2.93B
| $3.61M | ﹤0.01% |
112,210
+22,735
| +25% | +$732K |
|
183
Mercado Libre
MELI
$124B
| $3.58M | ﹤0.01% |
2,368
-3,977
| -63% | -$6.01M |
|
184
Invesco Senior Loan ETF
BKLN
$6.81B
| $3.56M | ﹤0.01% |
+168,527
| New | +$3.56M |
|
185
Martin Marietta Materials
MLM
$37.3B
| $3.54M | ﹤0.01% |
5,773
+5,381
| +1,373% | +$3.3M |
|
186
BILL Holdings
BILL
$5.32B
| $3.41M | ﹤0.01% |
49,611
-37,305
| -43% | -$2.56M |
|
187
EQT Corp
EQT
$30.7B
| $3.4M | ﹤0.01% |
+91,802
| New | +$3.4M |
|
188
Okta
OKTA
$16.5B
| $3.39M | ﹤0.01% |
32,426
+25,429
| +363% | +$2.66M |
|
189
Molson Coors Class B
TAP
$9.21B
| $3.36M | ﹤0.01% |
+49,933
| New | +$3.36M |
|
190
Bausch Health
BHC
$2.49B
| $3.35M | ﹤0.01% |
+315,765
| New | +$3.35M |
|
191
ZTO Express
ZTO
$14.9B
| $3.29M | ﹤0.01% |
157,092
+40,451
| +35% | +$847K |
|
192
Nextracker
NXT
$10.6B
| $3.27M | ﹤0.01% |
+58,115
| New | +$3.27M |
|
193
Radware
RDWR
$1.17B
| $3.25M | ﹤0.01% |
173,873
+92,062
| +113% | +$1.72M |
|
194
Dominion Energy
D
$51.1B
| $3.25M | ﹤0.01% |
+66,105
| New | +$3.25M |
|
195
Estee Lauder
EL
$31.6B
| $3.23M | ﹤0.01% |
20,953
-10,337
| -33% | -$1.59M |
|
196
STMicroelectronics
STM
$24.8B
| $3.23M | ﹤0.01% |
+74,627
| New | +$3.23M |
|
197
Futu Holdings
FUTU
$24.8B
| $3.2M | ﹤0.01% |
+59,131
| New | +$3.2M |
|
198
Direxion Daily Gold Miners Index Bull 2X Shares
NUGT
$954M
| $3.2M | ﹤0.01% |
93,119
+61,320
| +193% | +$2.11M |
|
199
VF Corp
VFC
$5.64B
| $3.2M | ﹤0.01% |
208,482
+53,165
| +34% | +$816K |
|
200
Rithm Capital
RITM
$6.42B
| $3.19M | ﹤0.01% |
285,535
+177,430
| +164% | +$1.98M |
|