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 | |
|---|---|---|---|---|---|---|
976
Inter&Co
INTR
$3.87B
| $189K | ﹤0.01% |
44,846
+37,408
| +503% | +$158K |
|
|
LAND
977
Gladstone Land Corp
LAND
$321M
| $188K | ﹤0.01% |
17,416
+14,591
| +516% | +$158K |
|
978
Mueller Industries
MLI
$10.8B
| $188K | ﹤0.01% |
2,371
-371
| -14% | -$29.4K |
|
979
Aviat Networks
AVNW
$289M
| $187K | ﹤0.01% |
+10,368
| New | +$187K |
|
980
LifeVantage
LFVN
$143M
| $187K | ﹤0.01% |
10,706
+1,742
| +19% | +$30.4K |
|
|
SA
981
Seabridge Gold
SA
$1.8B
| $187K | ﹤0.01% |
16,474
-102,802
| -86% | -$1.17M |
|
982
Teleflex
TFX
$5.76B
| $187K | ﹤0.01% |
1,051
-2,667
| -72% | -$475K |
|
983
Omnicell
OMCL
$1.46B
| $186K | ﹤0.01% |
4,180
+3,605
| +627% | +$160K |
|
984
Qorvo
QRVO
$8.26B
| $186K | ﹤0.01% |
+2,665
| New | +$186K |
|
985
Equifax
EFX
$30.3B
| $184K | ﹤0.01% |
+725
| New | +$184K |
|
986
VanEck Uranium + Nuclear Energy ETF
NLR
$2.48B
| $184K | ﹤0.01% |
+2,268
| New | +$184K |
|
987
Guardant Health
GH
$7.05B
| $183K | ﹤0.01% |
+5,992
| New | +$183K |
|
988
Anywhere Real Estate
HOUS
$699M
| $183K | ﹤0.01% |
55,605
+26,203
| +89% | +$86.2K |
|
989
The Bancorp
TBBK
$3.5B
| $183K | ﹤0.01% |
+3,494
| New | +$183K |
|
990
Prospect Capital
PSEC
$1.29B
| $182K | ﹤0.01% |
42,409
+27,531
| +185% | +$118K |
|
991
SkyWater Technology
SKYT
$474M
| $182K | ﹤0.01% |
13,231
+8,609
| +186% | +$118K |
|
992
Argan
AGX
$3.12B
| $181K | ﹤0.01% |
+1,323
| New | +$181K |
|
993
Philips
PHG
$26.9B
| $180K | ﹤0.01% |
7,436
-121,307
| -94% | -$2.94M |
|
994
CVR Energy
CVI
$3.21B
| $179K | ﹤0.01% |
+9,577
| New | +$179K |
|
995
Dine Brands
DIN
$361M
| $179K | ﹤0.01% |
5,976
-11,839
| -66% | -$355K |
|
996
Spire Global
SPIR
$278M
| $179K | ﹤0.01% |
+12,728
| New | +$179K |
|
997
Rackspace Technology
RXT
$337M
| $178K | ﹤0.01% |
+80,920
| New | +$178K |
|
998
Crescent Energy
CRGY
$2.22B
| $177K | ﹤0.01% |
12,151
-18,462
| -60% | -$269K |
|
999
Murphy Oil
MUR
$3.72B
| $177K | ﹤0.01% |
5,858
+2,218
| +61% | +$67K |
|
1000
GoPro
GPRO
$258M
| $175K | ﹤0.01% |
161,128
+80,753
| +100% | +$87.7K |
|