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 |
Alibaba
BABA
|
$117M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
$97.6M |
| 3 |
Walt Disney
DIS
|
$73.4M |
| 4 |
Citigroup
C
|
$45.8M |
| 5 |
KraneShares CSI China Internet ETF
KWEB
|
$41.5M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$149M |
| 2 |
Amazon
AMZN
|
$107M |
| 3 |
SPDR Gold Trust
GLD
|
$58.6M |
| 4 |
Coinbase
COIN
|
$56.5M |
| 5 |
NVIDIA
NVDA
|
$48.2M |
Sector Composition
| 1 | Technology | 16.06% |
| 2 | Consumer Discretionary | 14.45% |
| 3 | Communication Services | 10.03% |
| 4 | Financials | 9.44% |
| 5 | Healthcare | 9.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
1
Alibaba
BABA
$322B
| $136M | 0.09% | 1,760,268 +1,504,903 | +589% | +$117M |
|
|
2
Alphabet (Google) Class A
GOOGL
$2.57T
| $117M | 0.08% | 839,689 +698,693 | +496% | +$97.6M |
|
|
3
NVIDIA
NVDA
$4.24T
| $92.2M | 0.06% | 186,124 -97,410 | -34% | -$48.2M |
|
|
4
Walt Disney
DIS
$213B
| $73.4M | 0.05% | +812,984 | New | +$73.4M |
|
5
JD.com
JD
$44.1B
| $59.9M | 0.04% | 2,074,246 +1,033,637 | +99% | +$29.9M |
|
|
6
Citigroup
C
$178B
| $55.3M | 0.04% | 1,075,290 +889,575 | +479% | +$45.8M |
|
|
7
KraneShares CSI China Internet ETF
KWEB
$8.49B
| $50.8M | 0.03% | 1,881,475 +1,538,736 | +449% | +$41.5M |
|
8
Utilities Select Sector SPDR Fund
XLU
$20.9B
| $50.6M | 0.03% | 798,823 +98,148 | +14% | +$6.22M |
|
9
Salesforce
CRM
$245B
| $40.4M | 0.03% | 153,687 +42,488 | +38% | +$11.2M |
|
10
Pfizer
PFE
$141B
| $39.7M | 0.03% | 1,380,121 -575,573 | -29% | -$16.6M |
|
11
iShares China Large-Cap ETF
FXI
$6.65B
| $38.3M | 0.02% | 1,594,712 +1,022,915 | +179% | +$24.6M |
|
12
Procter & Gamble
PG
$368B
| $37M | 0.02% | 252,247 +98,912 | +65% | +$14.5M |
|
13
Nike
NKE
$114B
| $34.8M | 0.02% | 320,078 +131,684 | +70% | +$14.3M |
|
|
B
14
Barrick Mining Corporation
B
$45.4B
| $33.3M | 0.02% | 1,839,464 +772,822 | +72% | +$14M |
|
15
Micron Technology
MU
$133B
| $32.1M | 0.02% | +376,708 | New | +$32.1M |
|
16
Tesla
TSLA
$1.08T
| $31.8M | 0.02% | +127,962 | New | +$31.8M |
|
17
PayPal
PYPL
$67.1B
| $30.9M | 0.02% | 502,579 -334,382 | -40% | -$20.5M |
|
18
Chevron
CVX
$324B
| $29.8M | 0.02% | +199,869 | New | +$29.8M |
|
19
ARK Innovation ETF
ARKK
$7.45B
| $29.4M | 0.02% | +560,455 | New | +$29.4M |
|
20
Walmart
WMT
$774B
| $28.6M | 0.02% | 181,161 +143,162 | +377% | +$22.6M |
|
21
Humana
HUM
$36.5B
| $27.9M | 0.02% | 61,035 +59,060 | +2,990% | +$27M |
|
22
iShares Russell 2000 ETF
IWM
$67B
| $26.7M | 0.02% | +132,945 | New | +$26.7M |
|
23
First Solar
FSLR
$20.9B
| $24.3M | 0.02% | +140,831 | New | +$24.3M |
|
24
Broadcom
AVGO
$1.4T
| $24.2M | 0.02% | +21,718 | New | +$24.2M |
|
25
Newmont
NEM
$81.7B
| $22.8M | 0.01% | 551,810 -108,490 | -16% | -$4.49M |
|