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 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$278M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
$84.4M |
| 3 |
NVIDIA
NVDA
|
$76.9M |
| 4 |
TSMC
TSM
|
$74.9M |
| 5 |
Amazon
AMZN
|
$53.5M |
Top Sells
| 1 |
Apple
AAPL
|
$497M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
$73.7M |
| 3 |
Alibaba
BABA
|
$49M |
| 4 |
Advanced Micro Devices
AMD
|
$48.1M |
| 5 |
Uber
UBER
|
$41.8M |
Sector Composition
| 1 | Technology | 22.9% |
| 2 | Consumer Discretionary | 12.26% |
| 3 | Healthcare | 9.52% |
| 4 | Communication Services | 8.42% |
| 5 | Financials | 7.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
26
UnitedHealth
UNH
$279B
| $18.9M | 0.01% |
36,061
+5,973
| +20% | +$3.13M |
|
27
Novo Nordisk
NVO
$252B
| $16.6M | 0.01% |
+239,010
| New | +$16.6M |
|
28
Humana
HUM
$37.5B
| $16.3M | 0.01% |
61,672
-37,223
| -38% | -$9.85M |
|
29
Wells Fargo
WFC
$258B
| $16.3M | 0.01% |
227,152
-55,316
| -20% | -$3.97M |
|
30
Newmont
NEM
$82.8B
| $15.9M | 0.01% |
328,401
-350,811
| -52% | -$16.9M |
|
31
Coinbase
COIN
$77.7B
| $15.1M | 0.01% |
87,558
+10,334
| +13% | +$1.78M |
|
32
Broadcom
AVGO
$1.42T
| $14.5M | 0.01% |
+86,845
| New | +$14.5M |
|
33
Direxion Daily Semiconductor Bull 3X Shares
SOXL
$10.7B
| $14.1M | 0.01% |
882,724
-117,614
| -12% | -$1.88M |
|
34
Microsoft
MSFT
$3.76T
| $13.8M | 0.01% |
36,777
+34,181
| +1,317% | +$12.8M |
|
35
Booking.com
BKNG
$181B
| $13M | 0.01% |
2,827
-772
| -21% | -$3.56M |
|
36
Direxion Daily Financial Bull 3x Shares
FAS
$2.66B
| $12.9M | 0.01% |
81,620
-51,979
| -39% | -$8.22M |
|
37
SoFi Technologies
SOFI
$29.3B
| $12.5M | 0.01% |
1,074,410
+515,627
| +92% | +$6M |
|
38
Ford
F
$46.2B
| $12.3M | 0.01% |
1,223,600
+367,517
| +43% | +$3.69M |
|
39
Walt Disney
DIS
$211B
| $12.2M | 0.01% |
123,121
+46,086
| +60% | +$4.55M |
|
40
DoorDash
DASH
$106B
| $12.1M | 0.01% |
+65,971
| New | +$12.1M |
|
|
41
Alphabet (Google) Class C
GOOG
$2.79T
| $11.7M | 0.01% |
74,827
-15,351
| -17% | -$2.4M |
|
42
Warner Bros
WBD
$29.5B
| $11.7M | 0.01% |
1,086,804
-655,135
| -38% | -$7.03M |
|
43
Home Depot
HD
$406B
| $11.6M | 0.01% |
+31,546
| New | +$11.6M |
|
44
Pinduoduo
PDD
$177B
| $11.5M | 0.01% |
+97,380
| New | +$11.5M |
|
45
Bristol-Myers Squibb
BMY
$96.7B
| $11.5M | 0.01% |
188,899
-147,729
| -44% | -$9.01M |
|
46
Blackstone
BX
$131B
| $11.5M | 0.01% |
+82,337
| New | +$11.5M |
|
47
KE Holdings
BEKE
$21.8B
| $11.5M | 0.01% |
570,560
+479,153
| +524% | +$9.63M |
|
48
Carvana
CVNA
$50B
| $11.3M | 0.01% |
53,855
+11,762
| +28% | +$2.46M |
|
49
Schlumberger
SLB
$52.2B
| $10.9M | 0.01% |
260,039
-2,053
| -0.8% | -$85.8K |
|
50
Technology Select Sector SPDR Fund
XLK
$83.6B
| $10.5M | 0.01% |
+50,713
| New | +$10.5M |
|