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
|
$45.7M |
| 2 |
Walmart
WMT
|
$45.2M |
| 3 |
VanEck Oil Services ETF
OIH
|
$34.2M |
| 4 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$33.2M |
| 5 |
Citigroup
C
|
$32.7M |
Top Sells
| 1 |
Amazon
AMZN
|
$164M |
| 2 |
Invesco QQQ Trust
QQQ
|
$111M |
| 3 |
NVIDIA
NVDA
|
$77.7M |
| 4 |
Meta Platforms (Facebook)
META
|
$60.9M |
| 5 |
Procter & Gamble
PG
|
$38.8M |
Sector Composition
| 1 | Technology | 21.73% |
| 2 | Consumer Discretionary | 10.23% |
| 3 | Healthcare | 8.76% |
| 4 | Industrials | 7.59% |
| 5 | Communication Services | 6.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
ARCE
4801
DELISTED
Arco Platform Limited Class A Common Shares
ARCE
| – | – |
-183
| Closed | -$2K |
|
|
ODVWW
4802
DELISTED
Osisko Development Corp. Warrant
ODVWW
| – | – |
0
| – | – |
|
|
HT
4803
DELISTED
Hersha Hospitality Trust Priority Class A Common Shares of Beneficial Interest
HT
| – | – |
-4,083
| Closed | -$34K |
|
|
AVTA
4804
DELISTED
Avantax, Inc. Common Stock
AVTA
| – | – |
0
| – | – |
|
|
KBNT
4805
DELISTED
Kubient, Inc. Common Stock
KBNT
| – | – |
-185
| Closed | – |
|
4806
SPDR S&P Kensho New Economies Composite ETF
KOMP
$2.4B
| – | – |
-1
| Closed | – |
|
4807
Consensus Cloud Solutions
CCSI
$501M
| – | – |
0
| – | – |
|