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 |
Amazon
AMZN
|
+$144M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$68.7M |
| 3 |
AT&T
T
|
+$45.5M |
| 4 |
Meta Platforms (Facebook)
META
|
+$38M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$35.4M |
Top Sells
| 1 |
Microsoft
MSFT
|
+$94.2M |
| 2 |
Citigroup
C
|
+$62.3M |
| 3 |
JPMorgan Chase
JPM
|
+$56.2M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$45.8M |
| 5 |
SPDR Gold Trust
GLD
|
+$44.4M |
Sector Composition
| 1 | Consumer Discretionary | 16.85% |
| 2 | Technology | 15.5% |
| 3 | Communication Services | 10.53% |
| 4 | Healthcare | 8.8% |
| 5 | Consumer Staples | 5.63% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1126
SPDR Portfolio Long Term Treasury ETF
SPTL
$11.8B
| $77K | ﹤0.01% |
+2,677
| New | +$77K |
|
1127
Kforce
KFRC
$567M
| $76K | ﹤0.01% |
+1,393
| New | +$76K |
|
1128
Kulicke & Soffa
KLIC
$2.01B
| $76K | ﹤0.01% |
+1,727
| New | +$76K |
|
1129
Patterson-UTI
PTEN
$2.13B
| $76K | ﹤0.01% |
+4,539
| New | +$76K |
|
|
CMAX
1130
DELISTED
CareMax, Inc. Class A Common Stock
CMAX
| $76K | ﹤0.01% |
701
+563
| +408% | +$61K |
|
1131
James River Group
JRVR
$244M
| $75K | ﹤0.01% |
+3,608
| New | +$75K |
|
1132
Avita Medical
RCEL
$123M
| $75K | ﹤0.01% |
11,513
-26,298
| -70% | -$171K |
|
1133
United Airlines
UAL
$34.5B
| $75K | ﹤0.01% |
2,000
-43,682
| -96% | -$1.64M |
|
1134
Vanguard Utilities ETF
VPU
$7.37B
| $75K | ﹤0.01% |
492
-2,417
| -83% | -$368K |
|
1135
Wintrust Financial
WTFC
$9.08B
| $75K | ﹤0.01% |
898
+137
| +18% | +$11.4K |
|
1136
Bionano Genomics
BNGO
$18.2M
| $74K | ﹤0.01% |
+85
| New | +$74K |
|
1137
HighPeak Energy
HPK
$899M
| $74K | ﹤0.01% |
3,275
+2,315
| +241% | +$52.3K |
|
1138
Hexcel
HXL
$4.93B
| $74K | ﹤0.01% |
1,259
+1,018
| +422% | +$59.8K |
|
|
CPE
1139
DELISTED
Callon Petroleum Company
CPE
| $74K | ﹤0.01% |
1,999
-79,514
| -98% | -$2.94M |
|
1140
Invesco DB Oil Fund
DBO
$228M
| $73K | ﹤0.01% |
+4,832
| New | +$73K |
|
|
EFXT
1141
Enerflex
EFXT
$1.29B
| $73K | ﹤0.01% |
+11,596
| New | +$73K |
|
1142
iShares US Oil Equipment & Services ETF
IEZ
$113M
| $73K | ﹤0.01% |
3,468
+2,783
| +406% | +$58.6K |
|
1143
Inovio Pharmaceuticals
INO
$126M
| $73K | ﹤0.01% |
3,941
+618
| +19% | +$11.4K |
|
1144
Outdoor Holding Company Common Stock
POWW
$178M
| $73K | ﹤0.01% |
42,268
-91,770
| -68% | -$158K |
|
1145
First Trust NASDAQ-100 Technology Index Fund
QTEC
$2.73B
| $73K | ﹤0.01% |
696
+296
| +74% | +$31K |
|
1146
Weave Communications
WEAV
$591M
| $73K | ﹤0.01% |
15,964
+11,614
| +267% | +$53.1K |
|
1147
Cantaloupe
CTLP
$792M
| $72K | ﹤0.01% |
16,715
-2,853
| -15% | -$12.3K |
|
1148
Gaotu Techedu
GOTU
$901M
| $72K | ﹤0.01% |
+30,793
| New | +$72K |
|
|
TUP
1149
DELISTED
Tupperware Brands Corporation
TUP
| $72K | ﹤0.01% |
17,556
-18,500
| -51% | -$75.9K |
|
1150
Ero Copper
ERO
$1.75B
| $71K | ﹤0.01% |
5,180
+4,914
| +1,847% | +$67.4K |
|