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 |
Apple
AAPL
|
$186M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$86.2M |
| 3 |
SPDR S&P 500 ETF Trust
SPY
|
$56.8M |
| 4 |
iShares Silver Trust
SLV
|
$42.9M |
| 5 |
Advanced Micro Devices
AMD
|
$36.5M |
Top Sells
| 1 |
Occidental Petroleum
OXY
|
$44.4M |
| 2 |
Financial Select Sector SPDR Fund
XLF
|
$42.8M |
| 3 |
Verizon
VZ
|
$40.8M |
| 4 |
Direxion Daily S&P 500 Bull 3x Shares
SPXL
|
$33.6M |
| 5 |
iShares China Large-Cap ETF
FXI
|
$33M |
Sector Composition
| 1 | Technology | 23.31% |
| 2 | Consumer Discretionary | 13.02% |
| 3 | Industrials | 8.23% |
| 4 | Healthcare | 7.47% |
| 5 | Financials | 6.38% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
101
Energy Transfer Partners
ET
$60.8B
| $6.39M | 0.01% | 570,707 +196,180 | +52% | +$2.2M |
|
102
HealthEquity
HQY
$7.72B
| $6.33M | 0.01% | 93,852 +86,593 | +1,193% | +$5.84M |
|
103
lululemon athletica
LULU
$24.2B
| $6.29M | 0.01% | 17,231 +9,094 | +112% | +$3.32M |
|
104
Novavax
NVAX
$1.21B
| $6.28M | 0.01% | 85,278 -35,639 | -29% | -$2.62M |
|
105
American Electric Power
AEP
$59.4B
| $6.28M | 0.01% | +62,923 | New | +$6.28M |
|
106
Encompass Health
EHC
$12.3B
| $6.22M | 0.01% | 87,453 +84,383 | +2,749% | +$6M |
|
107
Direxion Daily Energy Bull 2X Shares
ERX
$233M
| $6.13M | 0.01% | 110,507 -9,379 | -8% | -$520K |
|
108
Vale
VALE
$43.9B
| $6.04M | 0.01% | 301,978 -1,149,425 | -79% | -$23M |
|
109
Bilibili
BILI
$9.6B
| $6.02M | 0.01% | 235,194 +149,945 | +176% | +$3.84M |
|
110
PENN Entertainment
PENN
$2.95B
| $6.01M | 0.01% | 141,658 +19,202 | +16% | +$815K |
|
111
CF Industries
CF
$14B
| $5.99M | 0.01% | 58,140 -8,389 | -13% | -$864K |
|
112
ServiceNow
NOW
$190B
| $5.98M | 0.01% | 10,730 -8,070 | -43% | -$4.49M |
|
113
Capital One
COF
$145B
| $5.9M | 0.01% | +44,906 | New | +$5.9M |
|
114
Southwest Airlines
LUV
$17.3B
| $5.62M | 0.01% | 122,729 +105,849 | +627% | +$4.85M |
|
115
Direxion Daily S&P Oil & Gas Exp & Prod Bull 2X Shares
GUSH
$260M
| $5.57M | 0.01% | 33,280 +3,556 | +12% | +$595K |
|
116
Northrop Grumman
NOC
$84.5B
| $5.56M | 0.01% | +12,438 | New | +$5.56M |
|
117
Novartis
NVS
$245B
| $5.44M | 0.01% | 61,959 -55,900 | -47% | -$4.9M |
|
118
SPDR S&P Metals & Mining ETF
XME
$2.31B
| $5.32M | ﹤0.01% | 86,795 +42,084 | +94% | +$2.58M |
|
119
Invesco CurrencyShares Euro Currency Trust
FXE
$529M
| $5.32M | ﹤0.01% | 51,847 +41,758 | +414% | +$4.28M |
|
120
JD.com
JD
$44.1B
| $5.31M | ﹤0.01% | 91,674 +31,271 | +52% | +$1.81M |
|
121
Big 5 Sporting Goods
BGFV
$32.5M
| $5.28M | ﹤0.01% | +307,991 | New | +$5.28M |
|
122
West Pharmaceutical
WST
$17.8B
| $5.26M | ﹤0.01% | 12,815 -1,232 | -9% | -$506K |
|
123
MetLife
MET
$54.1B
| $5.24M | ﹤0.01% | 74,598 -39,721 | -35% | -$2.79M |
|
|
PXD
124
DELISTED
Pioneer Natural Resource Co.
PXD
| $5.13M | ﹤0.01% | 20,499 -3,526 | -15% | -$882K |
|
125
Okta
OKTA
$16.4B
| $5.11M | ﹤0.01% | 33,823 -1,765 | -5% | -$266K |
|