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 |
Alibaba
BABA
|
$117M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
$97.6M |
| 3 |
Walt Disney
DIS
|
$73.4M |
| 4 |
Citigroup
C
|
$45.8M |
| 5 |
KraneShares CSI China Internet ETF
KWEB
|
$41.5M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$149M |
| 2 |
Amazon
AMZN
|
$107M |
| 3 |
SPDR Gold Trust
GLD
|
$58.6M |
| 4 |
Coinbase
COIN
|
$56.5M |
| 5 |
NVIDIA
NVDA
|
$48.2M |
Sector Composition
| 1 | Technology | 16.06% |
| 2 | Consumer Discretionary | 14.45% |
| 3 | Communication Services | 10.03% |
| 4 | Financials | 9.44% |
| 5 | Healthcare | 9.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
GAP
151
The Gap, Inc.
GAP
$8.83B
| $4.57M | ﹤0.01% |
218,460
+199,243
| +1,037% | +$4.17M |
|
152
PG&E
PCG
$33.2B
| $4.54M | ﹤0.01% |
251,573
+251,034
| +46,574% | +$4.53M |
|
153
APA Corp
APA
$8.14B
| $4.47M | ﹤0.01% |
124,644
+45,365
| +57% | +$1.63M |
|
154
ASML
ASML
$307B
| $4.36M | ﹤0.01% |
5,756
-30,621
| -84% | -$23.2M |
|
155
Elevance Health
ELV
$70.6B
| $4.33M | ﹤0.01% |
+9,178
| New | +$4.33M |
|
156
AerCap
AER
$22B
| $4.32M | ﹤0.01% |
+58,188
| New | +$4.32M |
|
157
AdvisorShares Pure US Cannabis ETF
MSOS
$837M
| $4.29M | ﹤0.01% |
612,614
+167,559
| +38% | +$1.17M |
|
158
FMC
FMC
$4.72B
| $4.22M | ﹤0.01% |
66,959
+21,781
| +48% | +$1.37M |
|
159
Coca-Cola
KO
$292B
| $4.22M | ﹤0.01% |
71,584
+31,508
| +79% | +$1.86M |
|
160
Strategy Inc Common Stock Class A
MSTR
$95.2B
| $4.19M | ﹤0.01% |
66,320
-288,190
| -81% | -$18.2M |
|
161
American Eagle Outfitters
AEO
$3.26B
| $4.15M | ﹤0.01% |
196,357
+43,986
| +29% | +$931K |
|
162
Chubb
CB
$111B
| $4.15M | ﹤0.01% |
+18,348
| New | +$4.15M |
|
163
LyondellBasell Industries
LYB
$17.7B
| $4.14M | ﹤0.01% |
43,559
+43,246
| +13,817% | +$4.11M |
|
164
Devon Energy
DVN
$22.1B
| $4.07M | ﹤0.01% |
89,941
-25,027
| -22% | -$1.13M |
|
165
Golar LNG
GLNG
$4.52B
| $4.06M | ﹤0.01% |
176,796
+126,586
| +252% | +$2.91M |
|
166
SAP
SAP
$313B
| $4.06M | ﹤0.01% |
26,249
+13,780
| +111% | +$2.13M |
|
|
AYX
167
DELISTED
Alteryx, Inc.
AYX
| $4.05M | ﹤0.01% |
85,948
-128,328
| -60% | -$6.05M |
|
168
Foot Locker
FL
$2.29B
| $4.02M | ﹤0.01% |
129,004
-60,923
| -32% | -$1.9M |
|
169
iShares Russell 1000 Growth ETF
IWF
$117B
| $4M | ﹤0.01% |
13,203
-8,480
| -39% | -$2.57M |
|
170
Olin
OLN
$2.9B
| $3.99M | ﹤0.01% |
74,019
+65,991
| +822% | +$3.56M |
|
171
IQVIA
IQV
$31.9B
| $3.89M | ﹤0.01% |
16,813
+10,912
| +185% | +$2.52M |
|
172
W.P. Carey
WPC
$14.9B
| $3.89M | ﹤0.01% |
+59,991
| New | +$3.89M |
|
|
ETRN
173
DELISTED
Equitrans Midstream Corporation Common Stock
ETRN
| $3.88M | ﹤0.01% |
380,883
+109,733
| +40% | +$1.12M |
|
|
ANSS
174
DELISTED
Ansys
ANSS
| $3.8M | ﹤0.01% |
+10,481
| New | +$3.8M |
|
175
FIVE9
FIVN
$2.06B
| $3.79M | ﹤0.01% |
+48,211
| New | +$3.79M |
|