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 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$278M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$84.4M |
| 3 |
NVIDIA
NVDA
|
+$76.9M |
| 4 |
TSMC
TSM
|
+$74.9M |
| 5 |
Amazon
AMZN
|
+$53.5M |
Top Sells
| 1 |
Apple
AAPL
|
+$497M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$73.7M |
| 3 |
Alibaba
BABA
|
+$49M |
| 4 |
Advanced Micro Devices
AMD
|
+$48.1M |
| 5 |
Uber
UBER
|
+$41.8M |
Sector Composition
| 1 | Technology | 22.9% |
| 2 | Consumer Discretionary | 12.26% |
| 3 | Healthcare | 9.52% |
| 4 | Communication Services | 8.42% |
| 5 | Financials | 7.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1726
TriMas Corp
TRS
$1.59B
| $12K | ﹤0.01% |
+524
| New | +$12K |
|
1727
VOC Energy
VOC
$46.6M
| $12K | ﹤0.01% |
+3,830
| New | +$12K |
|
1728
Invesco S&P MidCap Momentum ETF
XMMO
$4.43B
| $12K | ﹤0.01% |
110
-106
| -49% | -$11.6K |
|
1729
Leslie's
LESL
$62M
| $11K | ﹤0.01% |
15,257
+12,330
| +421% | +$8.89K |
|
1730
El Pollo Loco
LOCO
$304M
| $11K | ﹤0.01% |
+1,093
| New | +$11K |
|
1731
Montauk Renewables
MNTK
$287M
| $11K | ﹤0.01% |
5,638
+5,519
| +4,638% | +$10.8K |
|
1732
Enact Holdings
ACT
$5.74B
| $11K | ﹤0.01% |
+326
| New | +$11K |
|
1733
Ameresco
AMRC
$1.44B
| $11K | ﹤0.01% |
948
+732
| +339% | +$8.49K |
|
1734
Artisan Partners
APAM
$3.27B
| $11K | ﹤0.01% |
293
-472
| -62% | -$17.7K |
|
1735
BOK Financial
BOKF
$7.06B
| $11K | ﹤0.01% |
+106
| New | +$11K |
|
1736
BRC Inc
BRCC
$183M
| $11K | ﹤0.01% |
5,584
-57,621
| -91% | -$114K |
|
1737
Direxion Daily MSCI Brazil Bull 2X Shares
BRZU
$136M
| $11K | ﹤0.01% |
+215
| New | +$11K |
|
1738
Carriage Services
CSV
$670M
| $11K | ﹤0.01% |
300
-11,585
| -97% | -$425K |
|
1739
Electromed
ELMD
$199M
| $11K | ﹤0.01% |
474
-1,301
| -73% | -$30.2K |
|
1740
Fate Therapeutics
FATE
$111M
| $11K | ﹤0.01% |
+14,380
| New | +$11K |
|
1741
GrowGeneration
GRWG
$103M
| $11K | ﹤0.01% |
10,732
-49,059
| -82% | -$50.3K |
|
1742
HF Foods Group
HFFG
$177M
| $11K | ﹤0.01% |
2,377
+682
| +40% | +$3.16K |
|
1743
IonQ
IONQ
$16.6B
| $11K | ﹤0.01% |
+505
| New | +$11K |
|
1744
Kemper
KMPR
$3.35B
| $11K | ﹤0.01% |
165
+73
| +79% | +$4.87K |
|
|
MODV
1745
DELISTED
ModivCare
MODV
| $11K | ﹤0.01% |
9,070
+6,184
| +214% | +$7.5K |
|
1746
Myriad Genetics
MYGN
$674M
| $11K | ﹤0.01% |
1,275
-206
| -14% | -$1.78K |
|
|
NTST
1747
NETSTREIT Corp
NTST
$1.75B
| $11K | ﹤0.01% |
+742
| New | +$11K |
|
1748
Siebert Financial
SIEB
$118M
| $11K | ﹤0.01% |
+3,902
| New | +$11K |
|
1749
Stewart Information Services
STC
$2.09B
| $11K | ﹤0.01% |
167
-137
| -45% | -$9.02K |
|
1750
Timken Company
TKR
$5.4B
| $11K | ﹤0.01% |
157
-9,817
| -98% | -$688K |
|