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 |
Boeing
BA
|
$49.5M |
| 2 |
Pinduoduo
PDD
|
$45.3M |
| 3 |
Microsoft
MSFT
|
$42.5M |
| 4 |
Apple
AAPL
|
$33.3M |
| 5 |
Direxion Daily Semiconductor Bull 3X Shares
SOXL
|
$25.4M |
Top Sells
| 1 |
Broadcom
AVGO
|
$95.4M |
| 2 |
Citigroup
C
|
$57.9M |
| 3 |
Pfizer
PFE
|
$55.9M |
| 4 |
TSMC
TSM
|
$40.4M |
| 5 |
Starbucks
SBUX
|
$40.4M |
Sector Composition
| 1 | Technology | 23.11% |
| 2 | Consumer Discretionary | 16.53% |
| 3 | Healthcare | 8.58% |
| 4 | Industrials | 7.58% |
| 5 | Financials | 7.29% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
101
Lyft
LYFT
$6.73B
| $6.71M | ﹤0.01% | +526,556 | New | +$6.71M |
|
102
Bank of New York Mellon
BK
$74.5B
| $6.54M | ﹤0.01% | 90,974 -64,557 | -42% | -$4.64M |
|
103
Global X Uranium ETF
URA
$4.16B
| $6.53M | ﹤0.01% | 228,199 +143,101 | +168% | +$4.09M |
|
104
First Solar
FSLR
$20.9B
| $6.47M | ﹤0.01% | 25,931 +16,482 | +174% | +$4.11M |
|
105
Transocean
RIG
$2.86B
| $6.42M | ﹤0.01% | 1,510,967 +421,470 | +39% | +$1.79M |
|
106
Cogent Communications
CCOI
$1.88B
| $6.24M | ﹤0.01% | 82,185 +31,391 | +62% | +$2.38M |
|
107
Stellantis
STLA
$27.8B
| $6.18M | ﹤0.01% | 440,145 +377,770 | +606% | +$5.31M |
|
108
Kroger
KR
$44.9B
| $6.11M | ﹤0.01% | +106,624 | New | +$6.11M |
|
109
iShares MSCI India ETF
INDA
$9.17B
| $5.95M | ﹤0.01% | 101,706 +88,655 | +679% | +$5.19M |
|
110
Teck Resources
TECK
$16.7B
| $5.94M | ﹤0.01% | 113,618 +65,143 | +134% | +$3.4M |
|
111
BP
BP
$90.8B
| $5.93M | ﹤0.01% | 188,994 +140,087 | +286% | +$4.4M |
|
112
Invitation Homes
INVH
$19.2B
| $5.93M | ﹤0.01% | 168,077 +59,618 | +55% | +$2.1M |
|
113
Core Scientific
CORZ
$4.38B
| $5.89M | ﹤0.01% | +496,450 | New | +$5.89M |
|
114
BioNTech
BNTX
$24B
| $5.78M | ﹤0.01% | 48,687 +13,051 | +37% | +$1.55M |
|
115
Clorox
CLX
$14.5B
| $5.72M | ﹤0.01% | 35,124 +14,436 | +70% | +$2.35M |
|
116
Whirlpool
WHR
$5.21B
| $5.7M | ﹤0.01% | 53,303 +31,573 | +145% | +$3.38M |
|
117
NextEra Energy, Inc.
NEE
$148B
| $5.68M | ﹤0.01% | 67,203 +32,409 | +93% | +$2.74M |
|
118
Golar LNG
GLNG
$4.48B
| $5.64M | ﹤0.01% | 153,307 +45,506 | +42% | +$1.67M |
|
119
Industrial Select Sector SPDR Fund
XLI
$23.3B
| $5.42M | ﹤0.01% | 40,044 +5,137 | +15% | +$696K |
|
120
Shell
SHEL
$215B
| $5.41M | ﹤0.01% | 82,055 +71,912 | +709% | +$4.74M |
|
121
C3.ai
AI
$2.33B
| $5.26M | ﹤0.01% | 217,036 -143,638 | -40% | -$3.48M |
|
122
American Airlines Group
AAL
$8.82B
| $5.19M | ﹤0.01% | 462,042 -292,703 | -39% | -$3.29M |
|
123
Coinbase
COIN
$78.2B
| $5.18M | ﹤0.01% | 29,066 -68,643 | -70% | -$12.2M |
|
124
Johnson & Johnson
JNJ
$427B
| $5.1M | ﹤0.01% | 31,467 -107,178 | -77% | -$17.4M |
|
125
Gilead Sciences
GILD
$140B
| $5.02M | ﹤0.01% | 59,853 -92,589 | -61% | -$7.76M |
|