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 |
Broadcom
AVGO
|
$38.5M |
| 2 |
SPDR Gold Trust
GLD
|
$18.5M |
| 3 |
iShares MSCI Emerging Markets ETF
EEM
|
$15.8M |
| 4 |
SPDR S&P MidCap 400 ETF Trust
MDY
|
$12.9M |
| 5 |
QIHU
QIHOO 360 TECHNOLOGY CO LTD ADS RPSTG 3 CL A SHS
QIHU
|
$8.72M |
Top Sells
| 1 |
Apple
AAPL
|
$36.1M |
| 2 |
GMCR
KEURIG GREEN MTN INC
GMCR
|
$17.9M |
| 3 |
Chipotle Mexican Grill
CMG
|
$14.9M |
| 4 |
Walt Disney
DIS
|
$14.5M |
| 5 |
Alibaba
BABA
|
$13.3M |
Sector Composition
| 1 | Technology | 15.08% |
| 2 | Communication Services | 13.51% |
| 3 | Consumer Discretionary | 9.68% |
| 4 | Healthcare | 8.98% |
| 5 | Financials | 8.3% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
101
ProShares UltraShort NASDAQ Biotechnology
BIS
$2.39M
| $1.19M | 0.09% |
+6,811
| New | +$1.19M |
|
102
Toronto Dominion Bank
TD
$128B
| $1.17M | 0.09% |
27,100
+21,851
| +416% | +$942K |
|
103
WisdomTree Europe Hedged Equity Fund
HEDJ
$1.79B
| $1.16M | 0.09% |
44,612
+7,402
| +20% | +$192K |
|
104
Zimmer Biomet
ZBH
$20.8B
| $1.16M | 0.09% |
+11,162
| New | +$1.16M |
|
105
iShares Russell 2000 ETF
IWM
$67.4B
| $1.15M | 0.09% |
+10,374
| New | +$1.15M |
|
|
OUTR
106
DELISTED
OUTERWALL INC
OUTR
| $1.15M | 0.09% |
+31,005
| New | +$1.15M |
|
107
Comerica
CMA
$9.07B
| $1.13M | 0.09% |
+29,844
| New | +$1.13M |
|
|
ALR
108
DELISTED
Alere Inc
ALR
| $1.12M | 0.09% |
22,212
+20,474
| +1,178% | +$1.04M |
|
109
Emerson Electric
EMR
$74.9B
| $1.12M | 0.09% |
20,655
+13,345
| +183% | +$726K |
|
|
ETFC
110
DELISTED
E*Trade Financial Corporation
ETFC
| $1.1M | 0.09% |
+44,813
| New | +$1.1M |
|
111
ServiceNow
NOW
$186B
| $1.1M | 0.09% |
+17,910
| New | +$1.1M |
|
112
Elevance Health
ELV
$69.4B
| $1.09M | 0.09% |
7,876
-4,231
| -35% | -$588K |
|
|
ACAS
113
DELISTED
American Capital Ltd
ACAS
| $1.09M | 0.09% |
71,771
-4,235
| -6% | -$64.5K |
|
114
Comcast
CMCSA
$125B
| $1.08M | 0.09% |
35,366
-41,362
| -54% | -$1.26M |
|
115
Rio Tinto
RIO
$101B
| $1.08M | 0.09% |
38,182
+27,616
| +261% | +$780K |
|
116
RH
RH
$4.41B
| $1.07M | 0.09% |
25,606
+25,076
| +4,731% | +$1.05M |
|
|
RSX
117
DELISTED
VanEck Russia ETF
RSX
| $1.06M | 0.08% |
64,633
-117,908
| -65% | -$1.93M |
|
118
Canadian Pacific Kansas City
CP
$70.5B
| $1.05M | 0.08% |
39,450
+19,755
| +100% | +$524K |
|
119
Autodesk
ADSK
$68.1B
| $1.04M | 0.08% |
+17,905
| New | +$1.04M |
|
|
SNP
120
DELISTED
CHINA PETROLEUM & CHEMICAL CORPORATION ADS (REP 100 ORDINARY H SHARES)
SNP
| $1.04M | 0.08% |
15,907
+12,598
| +381% | +$820K |
|
121
NextEra Energy, Inc.
NEE
$146B
| $1.04M | 0.08% |
+34,996
| New | +$1.04M |
|
|
HA
122
DELISTED
Hawaiian Holdings, Inc.
HA
| $1.04M | 0.08% |
+21,953
| New | +$1.04M |
|
|
SINA
123
DELISTED
Sina Corp
SINA
| $1.04M | 0.08% |
21,858
-23,627
| -52% | -$1.12M |
|
124
Colgate-Palmolive
CL
$67.6B
| $1.03M | 0.08% |
+14,620
| New | +$1.03M |
|
125
iShares National Muni Bond ETF
MUB
$38.7B
| $1.02M | 0.08% |
+9,154
| New | +$1.02M |
|