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 |
Invesco QQQ Trust
QQQ
|
$41.7M |
| 2 |
Mastercard
MA
|
$33.6M |
| 3 |
Alibaba
BABA
|
$33.4M |
| 4 |
Apple
AAPL
|
$27.9M |
| 5 |
Alphabet (Google) Class C
GOOG
|
$26M |
Top Sells
| 1 |
JPMorgan Chase
JPM
|
$60M |
| 2 |
TSMC
TSM
|
$49.5M |
| 3 |
iShares Silver Trust
SLV
|
$26M |
| 4 |
Amazon
AMZN
|
$25.2M |
| 5 |
Boeing
BA
|
$22.1M |
Sector Composition
| 1 | Consumer Discretionary | 23.12% |
| 2 | Technology | 13.05% |
| 3 | Healthcare | 11.53% |
| 4 | Industrials | 7.38% |
| 5 | Communication Services | 6.71% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
51
Fair Isaac
FICO
$36.4B
| $7.81M | 0.01% |
+15,281
| New | +$7.81M |
|
52
Financial Select Sector SPDR Fund
XLF
$53.4B
| $7.55M | 0.01% |
256,271
-113,222
| -31% | -$3.34M |
|
53
Las Vegas Sands
LVS
$38B
| $7.52M | 0.01% |
126,188
-107,727
| -46% | -$6.42M |
|
54
Norwegian Cruise Line
NCLH
$11.4B
| $7.47M | 0.01% |
293,647
-21,625
| -7% | -$550K |
|
55
iShares Russell 2000 ETF
IWM
$66.4B
| $7.46M | 0.01% |
38,039
+36,039
| +1,802% | +$7.06M |
|
56
Bristol-Myers Squibb
BMY
$96.5B
| $7.24M | 0.01% |
116,736
+94,467
| +424% | +$5.86M |
|
57
TJX Companies
TJX
$155B
| $7.22M | 0.01% |
105,753
+34,501
| +48% | +$2.36M |
|
58
Southwest Airlines
LUV
$16.9B
| $7.19M | 0.01% |
154,183
-548
| -0.4% | -$25.5K |
|
59
Palo Alto Networks
PANW
$128B
| $7.12M | 0.01% |
20,040
-178
| -0.9% | -$63.3K |
|
60
Kohl's
KSS
$1.73B
| $6.84M | 0.01% |
168,124
-7,911
| -4% | -$322K |
|
61
iShares Russell 1000 Growth ETF
IWF
$116B
| $6.76M | 0.01% |
+28,019
| New | +$6.76M |
|
62
Nike
NKE
$110B
| $6.75M | 0.01% |
+47,734
| New | +$6.75M |
|
63
ProShares Ultra VIX Short-Term Futures ETF
UVXY
$705M
| $6.74M | 0.01% |
632,989
+624,989
| +7,812% | +$6.66M |
|
64
Intel
INTC
$105B
| $6.46M | 0.01% |
129,598
+75,544
| +140% | +$3.76M |
|
65
Becton Dickinson
BDX
$53.8B
| $6.33M | 0.01% |
25,306
+23,134
| +1,065% | +$5.79M |
|
66
Home Depot
HD
$405B
| $6.29M | 0.01% |
+23,687
| New | +$6.29M |
|
67
ProShares Ultra S&P500
SSO
$7.07B
| $6.26M | 0.01% |
68,581
+22,019
| +47% | +$2.01M |
|
|
COUP
68
DELISTED
Coupa Software Incorporated
COUP
| $6.04M | 0.01% |
+17,814
| New | +$6.04M |
|
|
PSTH
69
DELISTED
Pershing Square Tontine Holdings, Ltd.
PSTH
| $5.97M | 0.01% |
215,481
+158,260
| +277% | +$4.39M |
|
70
Industrial Select Sector SPDR Fund
XLI
$22.9B
| $5.96M | 0.01% |
67,317
-41,209
| -38% | -$3.65M |
|
71
Moderna
MRNA
$9.31B
| $5.95M | 0.01% |
56,919
-96,909
| -63% | -$10.1M |
|
|
WBA
72
DELISTED
Walgreens Boots Alliance
WBA
| $5.9M | 0.01% |
147,937
+13,907
| +10% | +$555K |
|
73
Hilton Worldwide
HLT
$64.7B
| $5.89M | 0.01% |
+52,949
| New | +$5.89M |
|
74
MSCI
MSCI
$42.6B
| $5.78M | 0.01% |
+12,949
| New | +$5.78M |
|
75
Lam Research
LRCX
$122B
| $5.77M | 0.01% |
12,222
+7,642
| +167% | +$3.61M |
|