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 |
SPDR S&P 500 ETF Trust
SPY
|
$50.9M |
| 2 |
Citigroup
C
|
$25.9M |
| 3 |
Apple
AAPL
|
$25.1M |
| 4 |
Amazon
AMZN
|
$21.7M |
| 5 |
Alphabet (Google) Class C
GOOG
|
$18.3M |
Top Sells
| 1 |
LNKD
LinkedIn Corporation
LNKD
|
$17.4M |
| 2 |
Wells Fargo
WFC
|
$11.9M |
| 3 |
Goldman Sachs
GS
|
$9.91M |
| 4 |
MDVN
MEDIVATION, INC.
MDVN
|
$8.62M |
| 5 |
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
|
$8.15M |
Sector Composition
| 1 | Communication Services | 15.08% |
| 2 | Technology | 12.4% |
| 3 | Healthcare | 11.9% |
| 4 | Consumer Discretionary | 11.24% |
| 5 | Financials | 9.26% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
ACIA
126
DELISTED
Acacia Communications, Inc. Common Stock
ACIA
| $1.38M | 0.08% |
+22,382
| New | +$1.38M |
|
127
Hilton Worldwide
HLT
$65.4B
| $1.38M | 0.08% |
+16,917
| New | +$1.38M |
|
128
Cheniere Energy
CQP
$26.2B
| $1.36M | 0.08% |
47,017
+42,363
| +910% | +$1.22M |
|
|
BEAV
129
DELISTED
B/E Aerospace Inc
BEAV
| $1.35M | 0.08% |
22,489
+18,708
| +495% | +$1.13M |
|
130
Macy's
M
$4.61B
| $1.35M | 0.08% |
+37,694
| New | +$1.35M |
|
|
AWH
131
DELISTED
Allied World Assurance Co Hld Lt
AWH
| $1.33M | 0.08% |
24,820
+19,763
| +391% | +$1.06M |
|
132
CVS Health
CVS
$93.5B
| $1.33M | 0.08% |
16,862
-8,990
| -35% | -$709K |
|
133
Lear
LEA
$5.87B
| $1.32M | 0.08% |
+9,970
| New | +$1.32M |
|
134
BioMarin Pharmaceuticals
BMRN
$10.9B
| $1.3M | 0.08% |
15,642
-2,489
| -14% | -$206K |
|
135
Huntington Ingalls Industries
HII
$10.6B
| $1.3M | 0.08% |
7,034
+5,108
| +265% | +$940K |
|
|
VIAB
136
DELISTED
Viacom Inc. Class B
VIAB
| $1.29M | 0.08% |
36,755
-51,353
| -58% | -$1.8M |
|
137
VanEck Oil Services ETF
OIH
$890M
| $1.29M | 0.08% |
+1,933
| New | +$1.29M |
|
138
Kohl's
KSS
$1.84B
| $1.27M | 0.08% |
+25,635
| New | +$1.27M |
|
139
Travelers Companies
TRV
$62.9B
| $1.27M | 0.08% |
10,336
+7,009
| +211% | +$858K |
|
|
ICPT
140
DELISTED
Intercept Pharmaceuticals, Inc.
ICPT
| $1.26M | 0.08% |
+11,619
| New | +$1.26M |
|
141
VanEck Junior Gold Miners ETF
GDXJ
$6.82B
| $1.23M | 0.07% |
+39,091
| New | +$1.23M |
|
|
BOBE
142
DELISTED
Bob Evans Farms, Inc.
BOBE
| $1.23M | 0.07% |
23,188
+10,836
| +88% | +$576K |
|
|
CSOD
143
DELISTED
Cornerstone OnDemand, Inc.
CSOD
| $1.23M | 0.07% |
29,067
+18,723
| +181% | +$792K |
|
144
Conagra Brands
CAG
$9.07B
| $1.23M | 0.07% |
+30,991
| New | +$1.23M |
|
145
Ford
F
$46.5B
| $1.21M | 0.07% |
100,152
+67,937
| +211% | +$824K |
|
|
GPOR
146
DELISTED
Gulfport Energy Corp.
GPOR
| $1.21M | 0.07% |
55,933
+44,054
| +371% | +$953K |
|
147
Mid-America Apartment Communities
MAA
$16.9B
| $1.2M | 0.07% |
12,211
+2,106
| +21% | +$206K |
|
148
United Therapeutics
UTHR
$17.2B
| $1.19M | 0.07% |
+8,307
| New | +$1.19M |
|
|
ALR
149
DELISTED
Alere Inc
ALR
| $1.18M | 0.07% |
30,200
+18,689
| +162% | +$728K |
|
150
iShares MSCI United Kingdom ETF
EWU
$2.89B
| $1.16M | 0.07% |
+37,894
| New | +$1.16M |
|