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 | |
|---|---|---|---|---|---|---|
|
1
Amazon
AMZN
$2.44T
| $164M | 0.18% | 1,956,696 +1,718,104 | +720% | +$144M |
|
|
2
Invesco QQQ Trust
QQQ
$364B
| $111M | 0.12% | 417,448 +257,895 | +162% | +$68.7M |
|
3
NVIDIA
NVDA
$4.24T
| $77.7M | 0.08% | 531,614 -145,553 | -21% | -$21.3M |
|
|
4
AT&T
T
$209B
| $45.5M | 0.05% | 2,469,715 +2,469,615 | +2,469,615% | +$45.5M |
|
5
iShares China Large-Cap ETF
FXI
$6.65B
| $44.8M | 0.05% | 1,583,938 +2,387 | +0.2% | +$67.6K |
|
6
Procter & Gamble
PG
$368B
| $38.8M | 0.04% | 256,289 +207,339 | +424% | +$31.4M |
|
|
7
Meta Platforms (Facebook)
META
$1.86T
| $38.6M | 0.04% | 321,096 +315,726 | +5,879% | +$38M |
|
8
Tesla
TSLA
$1.08T
| $36.7M | 0.04% | 297,832 +102,882 | +53% | +$12.7M |
|
|
9
iShares MSCI Emerging Markets ETF
EEM
$19B
| $35.4M | 0.04% | +932,756 | New | +$35.4M |
|
10
Alphabet (Google) Class A
GOOGL
$2.57T
| $29.3M | 0.03% | 331,874 -385,250 | -54% | -$34M |
|
11
Alibaba
BABA
$322B
| $23.1M | 0.03% | +262,591 | New | +$23.1M |
|
12
Oracle
ORCL
$635B
| $20.9M | 0.02% | 255,931 +48,432 | +23% | +$3.96M |
|
|
B
13
Barrick Mining Corporation
B
$45.4B
| $20.7M | 0.02% | 1,205,407 -313,396 | -21% | -$5.38M |
|
|
14
Alphabet (Google) Class C
GOOG
$2.58T
| $19.3M | 0.02% | 217,128 -33,847 | -13% | -$3M |
|
15
PayPal
PYPL
$67.1B
| $19.1M | 0.02% | 268,568 +125,770 | +88% | +$8.96M |
|
16
Utilities Select Sector SPDR Fund
XLU
$20.9B
| $17.8M | 0.02% | +252,577 | New | +$17.8M |
|
17
iShares 20+ Year Treasury Bond ETF
TLT
$47.8B
| $15.8M | 0.02% | 159,121 -427,186 | -73% | -$42.5M |
|
18
Walt Disney
DIS
$213B
| $15.5M | 0.02% | +178,399 | New | +$15.5M |
|
19
Bristol-Myers Squibb
BMY
$96B
| $15.2M | 0.02% | 210,946 +23,361 | +12% | +$1.68M |
|
20
Verizon
VZ
$186B
| $14.7M | 0.02% | 373,817 +169,433 | +83% | +$6.68M |
|
|
XYZ
21
Block, Inc.
XYZ
$48.5B
| $14.2M | 0.02% | 225,937 +222,337 | +6,176% | +$14M |
|
22
General Dynamics
GD
$87.3B
| $14.1M | 0.02% | 56,673 +53,929 | +1,965% | +$13.4M |
|
23
Medtronic
MDT
$119B
| $13.5M | 0.01% | 173,505 +149,250 | +615% | +$11.6M |
|
24
General Mills
GIS
$26.4B
| $13.1M | 0.01% | 156,487 +140,595 | +885% | +$11.8M |
|
|
COUP
25
DELISTED
Coupa Software Incorporated
COUP
| $12.6M | 0.01% | 159,522 +158,632 | +17,824% | +$12.6M |
|