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 |
Apple
AAPL
|
$586M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
$82.5M |
| 3 |
Intel
INTC
|
$40.4M |
| 4 |
Invesco QQQ Trust
QQQ
|
$39.4M |
| 5 |
Uber
UBER
|
$36.3M |
Top Sells
| 1 |
NVIDIA
NVDA
|
$130M |
| 2 |
Pinduoduo
PDD
|
$95.7M |
| 3 |
Boeing
BA
|
$56.2M |
| 4 |
KraneShares CSI China Internet ETF
KWEB
|
$40.7M |
| 5 |
Microsoft
MSFT
|
$40.5M |
Sector Composition
| 1 | Technology | 34.29% |
| 2 | Consumer Discretionary | 11.38% |
| 3 | Healthcare | 9.65% |
| 4 | Financials | 6.33% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
251
Invesco
IVZ
$9.76B
| $2.2M | ﹤0.01% |
125,734
-37,901
| -23% | -$662K |
|
252
Trip.com Group
TCOM
$47.7B
| $2.19M | ﹤0.01% |
31,835
+2,576
| +9% | +$177K |
|
253
Pentair
PNR
$18.1B
| $2.18M | ﹤0.01% |
21,666
+3,228
| +18% | +$325K |
|
254
Mobileye
MBLY
$12B
| $2.17M | ﹤0.01% |
109,083
-98,702
| -48% | -$1.97M |
|
255
NextNav
NN
$2.15B
| $2.17M | ﹤0.01% |
139,590
-11,888
| -8% | -$185K |
|
256
Ciena
CIEN
$16.4B
| $2.17M | ﹤0.01% |
25,600
-37,557
| -59% | -$3.19M |
|
257
Sempra
SRE
$53B
| $2.15M | ﹤0.01% |
24,553
+21,933
| +837% | +$1.92M |
|
258
Immunovant
IMVT
$2.96B
| $2.15M | ﹤0.01% |
86,847
+38,656
| +80% | +$957K |
|
259
ACM Research
ACMR
$1.76B
| $2.14M | ﹤0.01% |
141,436
+106,610
| +306% | +$1.61M |
|
260
Deere & Co
DE
$128B
| $2.1M | ﹤0.01% |
+4,968
| New | +$2.1M |
|
261
Gogo Inc
GOGO
$1.42B
| $2.1M | ﹤0.01% |
259,133
+225,677
| +675% | +$1.83M |
|
262
Tilray
TLRY
$1.3B
| $2.09M | ﹤0.01% |
1,573,679
+89,978
| +6% | +$120K |
|
263
Schwab US Dividend Equity ETF
SCHD
$71.7B
| $2.09M | ﹤0.01% |
76,471
+34,420
| +82% | +$940K |
|
264
Cleveland-Cliffs
CLF
$5.54B
| $2.06M | ﹤0.01% |
218,946
+38,610
| +21% | +$363K |
|
265
Warby Parker
WRBY
$3.13B
| $2.05M | ﹤0.01% |
84,800
+23,147
| +38% | +$560K |
|
266
Tractor Supply
TSCO
$32B
| $2.04M | ﹤0.01% |
+38,489
| New | +$2.04M |
|
|
SMAR
267
DELISTED
Smartsheet Inc.
SMAR
| $2.02M | ﹤0.01% |
+36,079
| New | +$2.02M |
|
268
Zoetis
ZTS
$67.7B
| $2.01M | ﹤0.01% |
+12,357
| New | +$2.01M |
|
269
Urban Outfitters
URBN
$6.35B
| $2.01M | ﹤0.01% |
+36,597
| New | +$2.01M |
|
270
StoneCo
STNE
$4.59B
| $2M | ﹤0.01% |
250,724
+157,014
| +168% | +$1.25M |
|
271
Xcel Energy
XEL
$42.9B
| $1.98M | ﹤0.01% |
29,314
-23,577
| -45% | -$1.59M |
|
272
Range Resources
RRC
$8.24B
| $1.98M | ﹤0.01% |
+54,999
| New | +$1.98M |
|
273
Newell Brands
NWL
$2.68B
| $1.97M | ﹤0.01% |
+197,554
| New | +$1.97M |
|
274
Alamos Gold
AGI
$13.5B
| $1.96M | ﹤0.01% |
+106,095
| New | +$1.96M |
|
275
VanEck Junior Gold Miners ETF
GDXJ
$6.98B
| $1.94M | ﹤0.01% |
45,393
-6,439
| -12% | -$275K |
|