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 |
LNKD
LinkedIn Corporation
LNKD
|
$29.3M |
| 2 |
SPDR Gold Trust
GLD
|
$18.1M |
| 3 |
QIHU
QIHOO 360 TECHNOLOGY CO LTD ADS RPSTG 3 CL A SHS
QIHU
|
$14.9M |
| 4 |
Biogen
BIIB
|
$13.7M |
| 5 |
Visa
V
|
$13.3M |
Top Sells
| 1 |
Broadcom
AVGO
|
$37.4M |
| 2 |
Alphabet (Google) Class C
GOOG
|
$20.1M |
| 3 |
iShares MSCI Emerging Markets ETF
EEM
|
$15.8M |
| 4 |
Citigroup
C
|
$13.9M |
| 5 |
SPDR S&P MidCap 400 ETF Trust
MDY
|
$12.9M |
Sector Composition
| 1 | Communication Services | 12.51% |
| 2 | Healthcare | 12.38% |
| 3 | Technology | 12.22% |
| 4 | Consumer Discretionary | 8.59% |
| 5 | Financials | 8.53% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
51
United Airlines
UAL
$34B
| $2.63M | 0.18% | 64,113 +32,106 | +100% | +$1.32M |
|
|
CVT
52
DELISTED
CVENT, INC.
CVT
| $2.61M | 0.17% | 73,166 +59,307 | +428% | +$2.12M |
|
53
Aflac
AFL
$57.2B
| $2.61M | 0.17% | 36,166 +23,941 | +196% | +$1.73M |
|
|
VMW
54
DELISTED
VMware, Inc
VMW
| $2.58M | 0.17% | 45,052 +35,821 | +388% | +$2.05M |
|
55
Home Depot
HD
$405B
| $2.56M | 0.17% | +20,066 | New | +$2.56M |
|
56
Union Pacific
UNP
$133B
| $2.52M | 0.17% | +28,914 | New | +$2.52M |
|
57
Direxion Daily Financial Bull 3x Shares
FAS
$2.74B
| $2.51M | 0.17% | 98,424 +25,967 | +36% | +$661K |
|
|
WWAV
58
DELISTED
The WhiteWave Foods Company
WWAV
| $2.5M | 0.17% | 53,312 +20,684 | +63% | +$971K |
|
59
Coca-Cola
KO
$297B
| $2.5M | 0.17% | 55,111 +1,563 | +3% | +$70.8K |
|
60
Boeing
BA
$177B
| $2.47M | 0.17% | +19,039 | New | +$2.47M |
|
|
CBPO
61
DELISTED
China Biologic Products Holdings, Inc.
CBPO
| $2.47M | 0.17% | 23,254 +17,183 | +283% | +$1.83M |
|
62
JD.com
JD
$44.1B
| $2.43M | 0.16% | +114,608 | New | +$2.43M |
|
|
POT
63
DELISTED
Potash Corp Of Saskatchewan
POT
| $2.41M | 0.16% | +148,123 | New | +$2.41M |
|
64
Apple
AAPL
$3.45T
| $2.4M | 0.16% | +25,110 | New | +$2.4M |
|
|
JO
65
DELISTED
iPath Bloomberg Coffee Subindex Total Return ETN due June 24, 2038
JO
| $2.38M | 0.16% | 107,417 +104,908 | +4,181% | +$2.32M |
|
66
Rio Tinto
RIO
$102B
| $2.38M | 0.16% | 75,998 +37,816 | +99% | +$1.18M |
|
67
Morgan Stanley
MS
$240B
| $2.38M | 0.16% | +91,484 | New | +$2.38M |
|
68
WisdomTree Europe Hedged Equity Fund
HEDJ
$1.8B
| $2.37M | 0.16% | 46,939 +24,633 | +110% | +$1.24M |
|
69
iShares Biotechnology ETF
IBB
$5.6B
| $2.37M | 0.16% | 9,200 -16,669 | -64% | -$4.29M |
|
70
Micron Technology
MU
$133B
| $2.36M | 0.16% | +171,555 | New | +$2.36M |
|
|
ICPT
71
DELISTED
Intercept Pharmaceuticals, Inc.
ICPT
| $2.35M | 0.16% | +16,469 | New | +$2.35M |
|
72
Charter Communications
CHTR
$36.3B
| $2.32M | 0.16% | 10,168 -6,857 | -40% | -$1.57M |
|
73
ConocoPhillips
COP
$124B
| $2.32M | 0.16% | +53,310 | New | +$2.32M |
|
74
Direxion Daily S&P 500 Bull 3x Shares
SPXL
$5.45B
| $2.28M | 0.15% | 25,915 -3,213 | -11% | -$283K |
|
|
TIF
75
DELISTED
Tiffany & Co.
TIF
| $2.26M | 0.15% | 37,286 +18,344 | +97% | +$1.11M |
|