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 | |
|---|---|---|---|---|---|---|
326
D-Wave Quantum
QBTS
$5.26B
| $1.58M | ﹤0.01% |
187,924
+83,108
| +79% | +$698K |
|
327
DHT Holdings
DHT
$2B
| $1.58M | ﹤0.01% |
169,823
+144,061
| +559% | +$1.34M |
|
328
Shopify
SHOP
$191B
| $1.58M | ﹤0.01% |
14,814
+14,247
| +2,513% | +$1.51M |
|
329
Liberty Global Class A
LBTYA
$4.05B
| $1.57M | ﹤0.01% |
123,139
+58,050
| +89% | +$741K |
|
330
Corning
GLW
$61B
| $1.57M | ﹤0.01% |
33,029
+23,777
| +257% | +$1.13M |
|
331
American Tower
AMT
$92.9B
| $1.55M | ﹤0.01% |
+8,471
| New | +$1.55M |
|
332
FirstCash
FCFS
$6.53B
| $1.55M | ﹤0.01% |
14,977
-919
| -6% | -$95.2K |
|
333
Altice USA
ATUS
$1.05B
| $1.55M | ﹤0.01% |
642,399
-2,249
| -0.3% | -$5.42K |
|
334
Harley-Davidson
HOG
$3.67B
| $1.55M | ﹤0.01% |
+51,287
| New | +$1.55M |
|
335
Kroger
KR
$44.8B
| $1.53M | ﹤0.01% |
25,044
-81,580
| -77% | -$4.99M |
|
336
BWX Technologies
BWXT
$15B
| $1.53M | ﹤0.01% |
13,730
-13,187
| -49% | -$1.47M |
|
337
Burlington
BURL
$18.4B
| $1.53M | ﹤0.01% |
5,362
+244
| +5% | +$69.5K |
|
338
Methanex
MEOH
$2.99B
| $1.53M | ﹤0.01% |
30,567
+27,720
| +974% | +$1.38M |
|
339
BHP
BHP
$138B
| $1.52M | ﹤0.01% |
31,137
-20,366
| -40% | -$994K |
|
340
Exelixis
EXEL
$10.2B
| $1.52M | ﹤0.01% |
+45,618
| New | +$1.52M |
|
341
Interpublic Group of Companies
IPG
$9.94B
| $1.52M | ﹤0.01% |
+54,094
| New | +$1.52M |
|
342
Gold Fields
GFI
$30.8B
| $1.51M | ﹤0.01% |
114,605
+54,823
| +92% | +$723K |
|
343
Under Armour
UAA
$2.2B
| $1.5M | ﹤0.01% |
181,541
+6,059
| +3% | +$50.2K |
|
344
Citizens Financial Group
CFG
$22.3B
| $1.5M | ﹤0.01% |
34,340
-45,701
| -57% | -$2M |
|
|
HCP
345
DELISTED
HashiCorp, Inc. Class A Common Stock
HCP
| $1.49M | ﹤0.01% |
43,581
+6,540
| +18% | +$224K |
|
346
SoundHound AI
SOUN
$5.81B
| $1.48M | ﹤0.01% |
+74,731
| New | +$1.48M |
|
347
Parsons
PSN
$8.08B
| $1.48M | ﹤0.01% |
+15,991
| New | +$1.48M |
|
348
Comstock Resources
CRK
$4.66B
| $1.47M | ﹤0.01% |
80,836
+43,608
| +117% | +$794K |
|
349
Louisiana-Pacific
LPX
$6.9B
| $1.47M | ﹤0.01% |
+14,197
| New | +$1.47M |
|
350
Vanguard Small-Cap ETF
VB
$67.2B
| $1.47M | ﹤0.01% |
+6,122
| New | +$1.47M |
|