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 | |
|---|---|---|---|---|---|---|
76
Boston Scientific
BSX
$156B
| $8.32M | ﹤0.01% | 99,260 +73,106 | +280% | +$6.13M |
|
77
Chevron
CVX
$324B
| $8.27M | ﹤0.01% | +56,165 | New | +$8.27M |
|
78
Qualcomm
QCOM
$173B
| $8.23M | ﹤0.01% | 48,389 -125,600 | -72% | -$21.4M |
|
79
Canadian Solar
CSIQ
$655M
| $8.21M | ﹤0.01% | 489,874 +186,487 | +61% | +$3.13M |
|
80
Riot Platforms
RIOT
$5.09B
| $8.14M | ﹤0.01% | 1,097,648 +514,826 | +88% | +$3.82M |
|
81
Trane Technologies
TT
$92.5B
| $8.02M | ﹤0.01% | 20,631 +4,680 | +29% | +$1.82M |
|
82
D.R. Horton
DHI
$50.5B
| $7.98M | ﹤0.01% | +41,837 | New | +$7.98M |
|
83
Wynn Resorts
WYNN
$13.2B
| $7.88M | ﹤0.01% | 82,211 -16,826 | -17% | -$1.61M |
|
84
Rivian
RIVN
$16.5B
| $7.88M | ﹤0.01% | 701,907 +501,061 | +249% | +$5.62M |
|
85
iShares MSCI China ETF
MCHI
$7.91B
| $7.76M | ﹤0.01% | 152,352 -8,463 | -5% | -$431K |
|
86
First Citizens BancShares
FCNCA
$25.6B
| $7.74M | ﹤0.01% | 4,207 +2,265 | +117% | +$4.17M |
|
87
Comcast
CMCSA
$125B
| $7.66M | ﹤0.01% | 183,370 +79,072 | +76% | +$3.3M |
|
|
88
Pfizer
PFE
$141B
| $7.61M | ﹤0.01% | 262,966 -1,932,294 | -88% | -$55.9M |
|
89
General Motors
GM
$55.8B
| $7.6M | ﹤0.01% | +169,441 | New | +$7.6M |
|
90
e.l.f. Beauty
ELF
$7.09B
| $7.58M | ﹤0.01% | +69,490 | New | +$7.58M |
|
91
FedEx
FDX
$54.5B
| $7.54M | ﹤0.01% | +27,543 | New | +$7.54M |
|
92
Direxion Daily 20+ Year Treasury Bull 3X Shares
TMF
$4.91B
| $7.53M | ﹤0.01% | 130,339 -6,410 | -5% | -$370K |
|
93
Ford
F
$46.8B
| $7.41M | ﹤0.01% | 701,646 +609,031 | +658% | +$6.43M |
|
94
Palo Alto Networks
PANW
$127B
| $7.28M | ﹤0.01% | 21,298 -15,868 | -43% | -$5.42M |
|
95
NIO
NIO
$14.3B
| $7.27M | ﹤0.01% | 1,088,972 +226,195 | +26% | +$1.51M |
|
96
Stanley Black & Decker
SWK
$11.5B
| $7.23M | ﹤0.01% | 65,606 +58,757 | +858% | +$6.47M |
|
97
AST SpaceMobile
ASTS
$13.2B
| $7.2M | ﹤0.01% | 275,492 +139,491 | +103% | +$3.65M |
|
98
Netflix
NFLX
$513B
| $6.99M | ﹤0.01% | 9,857 +6,164 | +167% | +$4.37M |
|
99
VF Corp
VFC
$5.91B
| $6.93M | ﹤0.01% | 347,374 -107,839 | -24% | -$2.15M |
|
100
Intuit
INTU
$186B
| $6.88M | ﹤0.01% | 11,078 +10,177 | +1,130% | +$6.32M |
|