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 | |
|---|---|---|---|---|---|---|
26
Uber
UBER
$194B
| $12.3M | 0.01% |
+498,532
| New | +$12.3M |
|
27
Warner Bros
WBD
$29.5B
| $12.2M | 0.01% |
1,282,604
+1,282,079
| +244,206% | +$12.2M |
|
28
Invesco DB US Dollar Index Bullish Fund
UUP
$175M
| $12M | 0.01% |
+429,854
| New | +$12M |
|
29
Zoom
ZM
$25B
| $11.8M | 0.01% |
174,427
+134,531
| +337% | +$9.11M |
|
30
Teva Pharmaceuticals
TEVA
$21.5B
| $11.6M | 0.01% |
1,274,118
+230,786
| +22% | +$2.1M |
|
31
Colgate-Palmolive
CL
$67.7B
| $11.4M | 0.01% |
144,413
-34,443
| -19% | -$2.71M |
|
32
First Solar
FSLR
$21.6B
| $11.2M | 0.01% |
74,516
-12,819
| -15% | -$1.92M |
|
33
VF Corp
VFC
$5.79B
| $11M | 0.01% |
398,358
+369,105
| +1,262% | +$10.2M |
|
34
Qfin Holdings, Inc. American Depositary Shares
QFIN
$3.86B
| $10.8M | 0.01% |
532,474
+113,457
| +27% | +$2.31M |
|
35
Estee Lauder
EL
$33.1B
| $10.8M | 0.01% |
+43,556
| New | +$10.8M |
|
36
United States Oil Fund
USO
$967M
| $10.7M | 0.01% |
+152,533
| New | +$10.7M |
|
37
Airbnb
ABNB
$76.5B
| $10.3M | 0.01% |
120,628
+115,845
| +2,422% | +$9.9M |
|
38
Novartis
NVS
$248B
| $10.1M | 0.01% |
111,100
+50,141
| +82% | +$4.55M |
|
39
GSK
GSK
$79.3B
| $10M | 0.01% |
285,138
-112,980
| -28% | -$3.97M |
|
40
Schlumberger
SLB
$52.2B
| $9.79M | 0.01% |
183,048
+106,005
| +138% | +$5.67M |
|
41
Accenture
ACN
$158B
| $9.43M | 0.01% |
+35,353
| New | +$9.43M |
|
|
42
Microsoft
MSFT
$3.76T
| $9.41M | 0.01% |
39,221
-392,841
| -91% | -$94.2M |
|
43
Crocs
CROX
$4.74B
| $9.25M | 0.01% |
85,323
+49,721
| +140% | +$5.39M |
|
44
Home Depot
HD
$406B
| $8.95M | 0.01% |
+28,341
| New | +$8.95M |
|
45
Suncor Energy
SU
$49.3B
| $8.52M | 0.01% |
268,361
-10,147
| -4% | -$322K |
|
46
Cenovus Energy
CVE
$29.7B
| $7.98M | 0.01% |
411,046
+383,086
| +1,370% | +$7.44M |
|
47
Mondelez International
MDLZ
$79.3B
| $7.84M | 0.01% |
117,593
+23,033
| +24% | +$1.54M |
|
48
Dominion Energy
D
$50.3B
| $7.83M | 0.01% |
127,761
+126,292
| +8,597% | +$7.74M |
|
49
Valero Energy
VLO
$48.3B
| $7.82M | 0.01% |
61,639
-104,114
| -63% | -$13.2M |
|
50
NextEra Energy, Inc.
NEE
$148B
| $7.79M | 0.01% |
+93,228
| New | +$7.79M |
|