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 | |
|---|---|---|---|---|---|---|
51
Agnico Eagle Mines
AEM
$72.4B
| $13.1M | 0.01% | 167,150 +113,720 | +213% | +$8.89M |
|
52
Direxion Daily TSLA Bull 2X Shares
TSLL
$5.76B
| $12.8M | 0.01% | 465,134 +324,332 | +230% | +$8.93M |
|
53
Coca-Cola
KO
$297B
| $12.4M | 0.01% | +199,658 | New | +$12.4M |
|
|
X
54
DELISTED
US Steel
X
| $11.9M | 0.01% | 350,448 -136,818 | -28% | -$4.65M |
|
55
Dell
DELL
$82.6B
| $11.8M | 0.01% | 102,172 -34,715 | -25% | -$4M |
|
56
Utilities Select Sector SPDR Fund
XLU
$20.9B
| $11.7M | 0.01% | +154,971 | New | +$11.7M |
|
57
Sea Limited
SE
$110B
| $11.4M | 0.01% | +107,412 | New | +$11.4M |
|
58
Vale
VALE
$43.9B
| $11.3M | 0.01% | 1,278,040 +924,634 | +262% | +$8.2M |
|
59
Dollar Tree
DLTR
$22.8B
| $11.1M | 0.01% | 148,540 +118,461 | +394% | +$8.88M |
|
60
Meta Platforms (Facebook)
META
$1.86T
| $10.9M | 0.01% | +18,551 | New | +$10.9M |
|
61
Albemarle
ALB
$9.99B
| $10.9M | 0.01% | 126,075 -44,141 | -26% | -$3.8M |
|
62
Las Vegas Sands
LVS
$39.6B
| $10.8M | 0.01% | 210,436 +17,864 | +9% | +$917K |
|
63
JD.com
JD
$44.1B
| $10.7M | 0.01% | 309,667 +277,804 | +872% | +$9.63M |
|
64
VanEck Gold Miners ETF
GDX
$19B
| $10.7M | 0.01% | 314,070 -149,035 | -32% | -$5.05M |
|
65
Marathon Digital Holdings
MARA
$5.92B
| $10.6M | 0.01% | 629,246 -11,919 | -2% | -$200K |
|
66
Core Scientific
CORZ
$4.38B
| $10.5M | 0.01% | 746,953 +250,503 | +50% | +$3.52M |
|
67
iShares National Muni Bond ETF
MUB
$38.6B
| $10.3M | 0.01% | 96,654 -4,699 | -5% | -$501K |
|
|
MSTU
68
T-Rex 2X Long MSTR Daily Target ETF
MSTU
$1.02B
| $10.2M | 0.01% | 1,345,416 +1,345,384 | +4,204,325% | +$10.2M |
|
69
Chevron
CVX
$324B
| $10.2M | 0.01% | 70,250 +14,085 | +25% | +$2.04M |
|
70
Iris Energy
IREN
$6.4B
| $10.2M | 0.01% | 1,035,800 -149,523 | -13% | -$1.47M |
|
71
VanEck Semiconductor ETF
SMH
$27B
| $10.2M | 0.01% | +41,923 | New | +$10.2M |
|
72
Schlumberger
SLB
$55B
| $10M | 0.01% | 262,092 +169,619 | +183% | +$6.5M |
|
|
XYZ
73
Block, Inc.
XYZ
$48.5B
| $9.95M | 0.01% | +117,078 | New | +$9.95M |
|
74
Freeport-McMoran
FCX
$63.7B
| $9.92M | 0.01% | 260,533 -164,664 | -39% | -$6.27M |
|
75
VF Corp
VFC
$5.91B
| $9.83M | 0.01% | 457,943 +110,569 | +32% | +$2.37M |
|