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
|
$32.1M |
| 2 |
Bausch Health
BHC
|
$18.4M |
| 3 |
GMCR
KEURIG GREEN MTN INC
GMCR
|
$17.9M |
| 4 |
Chipotle Mexican Grill
CMG
|
$14.9M |
| 5 |
Amazon
AMZN
|
$13M |
Top Sells
| 1 |
iShares Russell 2000 ETF
IWM
|
$27.5M |
| 2 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
$13.7M |
| 3 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$12.1M |
| 4 |
Netflix
NFLX
|
$10.7M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
$10.7M |
Sector Composition
| 1 | Consumer Discretionary | 17.29% |
| 2 | Healthcare | 13.74% |
| 3 | Technology | 12.76% |
| 4 | Communication Services | 12.12% |
| 5 | Industrials | 10.49% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
KKD
151
DELISTED
KRISPY KREME DOUGHNUTS INC
KKD
| $810K | 0.06% |
53,787
-8,142
| -13% | -$123K |
|
|
MDAS
152
DELISTED
MEDASSETS INC COM STK (DE)
MDAS
| $803K | 0.06% |
25,983
+25,934
| +52,927% | +$801K |
|
153
Yum! Brands
YUM
$39.9B
| $799K | 0.06% |
15,233
-114,312
| -88% | -$6M |
|
154
VeriSign
VRSN
$25.9B
| $790K | 0.06% |
9,045
+8,785
| +3,379% | +$767K |
|
|
TGI
155
DELISTED
Triumph Group
TGI
| $788K | 0.06% |
19,832
+19,651
| +10,857% | +$781K |
|
156
Helmerich & Payne
HP
$2.07B
| $785K | 0.06% |
14,670
+11,023
| +302% | +$590K |
|
157
ProShares Ultra Bloomberg Crude Oil
UCO
$369M
| $784K | 0.06% |
5,004
-472
| -9% | -$74K |
|
|
HAR
158
DELISTED
Harman International Industries
HAR
| $783K | 0.06% |
8,312
+6,880
| +480% | +$648K |
|
159
Assertio
ASRT
$77.7M
| $780K | 0.06% |
10,762
+9,927
| +1,189% | +$719K |
|
160
Dycom Industries
DY
$7.35B
| $779K | 0.06% |
+11,140
| New | +$779K |
|
161
Southwest Airlines
LUV
$16.3B
| $778K | 0.06% |
18,083
+4,962
| +38% | +$213K |
|
|
CST
162
DELISTED
CST Brands, Inc.
CST
| $765K | 0.06% |
19,555
+15,863
| +430% | +$621K |
|
|
OVTI
163
DELISTED
OMNIVISION TECHNOLOGIES INC
OVTI
| $759K | 0.06% |
26,171
-34,622
| -57% | -$1M |
|
164
Schlumberger
SLB
$53.7B
| $748K | 0.06% |
10,737
+7,580
| +240% | +$528K |
|
165
Equinix
EQIX
$75.2B
| $746K | 0.06% |
+2,467
| New | +$746K |
|
166
Norfolk Southern
NSC
$62.8B
| $745K | 0.06% |
+8,809
| New | +$745K |
|
167
Deutsche Bank
DB
$68B
| $743K | 0.06% |
34,460
-20,430
| -37% | -$440K |
|
|
CXO
168
DELISTED
CONCHO RESOURCES INC.
CXO
| $735K | 0.06% |
7,917
+5,470
| +224% | +$508K |
|
169
Corning
GLW
$59.7B
| $731K | 0.06% |
+39,990
| New | +$731K |
|
|
ICPT
170
DELISTED
Intercept Pharmaceuticals, Inc.
ICPT
| $731K | 0.06% |
4,899
+1,551
| +46% | +$231K |
|
171
The Mosaic Company
MOS
$10.4B
| $726K | 0.06% |
26,342
+4,391
| +20% | +$121K |
|
172
Nokia
NOK
$24.7B
| $715K | 0.06% |
101,913
+47,551
| +87% | +$334K |
|
173
Charles Schwab
SCHW
$177B
| $713K | 0.06% |
+21,664
| New | +$713K |
|
174
SPDR S&P 500 ETF Trust
SPY
$662B
| $713K | 0.06% |
3,500
-12,735
| -78% | -$2.59M |
|
|
NTI
175
DELISTED
NORTHERN TIER ENERGY LP CLASS A
NTI
| $699K | 0.05% |
27,064
+23,594
| +680% | +$609K |
|