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
|
$107M |
| 2 |
SPDR Gold Trust
GLD
|
$65.8M |
| 3 |
NVIDIA
NVDA
|
$61.6M |
| 4 |
Apple
AAPL
|
$51.2M |
| 5 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$50.9M |
Top Sells
| 1 |
Qualcomm
QCOM
|
$25.2M |
| 2 |
Netflix
NFLX
|
$24.1M |
| 3 |
Walt Disney
DIS
|
$22.2M |
| 4 |
Snowflake
SNOW
|
$17.4M |
| 5 |
Advanced Micro Devices
AMD
|
$17.2M |
Sector Composition
| 1 | Technology | 20.43% |
| 2 | Consumer Discretionary | 15% |
| 3 | Healthcare | 10.19% |
| 4 | Financials | 8.16% |
| 5 | Communication Services | 6.81% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
126
Robinhood
HOOD
$90B
| $4.01M | ﹤0.01% |
408,474
-46,545
| -10% | -$457K |
|
127
Rio Tinto
RIO
$104B
| $4M | ﹤0.01% |
62,801
+45,836
| +270% | +$2.92M |
|
128
MGM Resorts International
MGM
$9.98B
| $3.98M | ﹤0.01% |
108,398
+105,926
| +4,285% | +$3.89M |
|
129
Nice
NICE
$8.67B
| $3.87M | ﹤0.01% |
22,768
+18,491
| +432% | +$3.14M |
|
130
PennyMac Financial
PFSI
$6.08B
| $3.86M | ﹤0.01% |
58,013
+25,732
| +80% | +$1.71M |
|
131
Mondelez International
MDLZ
$79.9B
| $3.82M | ﹤0.01% |
+55,114
| New | +$3.82M |
|
132
ZIM Integrated Shipping Services
ZIM
$1.62B
| $3.82M | ﹤0.01% |
365,198
+39,862
| +12% | +$417K |
|
133
The Mosaic Company
MOS
$10.3B
| $3.81M | ﹤0.01% |
106,910
-24,054
| -18% | -$856K |
|
134
Vertex Pharmaceuticals
VRTX
$102B
| $3.68M | ﹤0.01% |
10,573
+10,273
| +3,424% | +$3.57M |
|
135
Carvana
CVNA
$50.9B
| $3.66M | ﹤0.01% |
+87,164
| New | +$3.66M |
|
136
Canadian Solar
CSIQ
$748M
| $3.62M | ﹤0.01% |
147,226
+37,677
| +34% | +$927K |
|
137
Intercontinental Exchange
ICE
$99.8B
| $3.6M | ﹤0.01% |
+32,734
| New | +$3.6M |
|
138
Best Buy
BBY
$16.1B
| $3.57M | ﹤0.01% |
51,405
+27,180
| +112% | +$1.89M |
|
139
AdvisorShares Pure US Cannabis ETF
MSOS
$837M
| $3.53M | ﹤0.01% |
445,055
+329,232
| +284% | +$2.61M |
|
140
Pan American Silver
PAAS
$14.6B
| $3.48M | ﹤0.01% |
240,063
+65,140
| +37% | +$943K |
|
141
Elbit Systems
ESLT
$22.3B
| $3.46M | ﹤0.01% |
17,469
+13,951
| +397% | +$2.76M |
|
142
Sony
SONY
$165B
| $3.45M | ﹤0.01% |
209,245
+163,550
| +358% | +$2.7M |
|
143
BHP
BHP
$138B
| $3.43M | ﹤0.01% |
60,221
-5,747
| -9% | -$327K |
|
144
Tyson Foods
TSN
$20B
| $3.4M | ﹤0.01% |
+67,355
| New | +$3.4M |
|
145
Carnival Corp
CCL
$42.8B
| $3.34M | ﹤0.01% |
+243,620
| New | +$3.34M |
|
|
IMGN
146
DELISTED
Immunogen Inc
IMGN
| $3.34M | ﹤0.01% |
210,500
-95,478
| -31% | -$1.51M |
|
147
Foot Locker
FL
$2.29B
| $3.3M | ﹤0.01% |
189,927
+167,345
| +741% | +$2.9M |
|
|
WBA
148
DELISTED
Walgreens Boots Alliance
WBA
| $3.28M | ﹤0.01% |
147,659
-73,279
| -33% | -$1.63M |
|
149
Crinetics Pharmaceuticals
CRNX
$3.35B
| $3.28M | ﹤0.01% |
110,376
+107,831
| +4,237% | +$3.21M |
|
150
APA Corp
APA
$8.14B
| $3.26M | ﹤0.01% |
+79,279
| New | +$3.26M |
|