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
|
$45.7M |
| 2 |
Walmart
WMT
|
$45.2M |
| 3 |
VanEck Oil Services ETF
OIH
|
$34.2M |
| 4 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$33.2M |
| 5 |
Citigroup
C
|
$32.7M |
Top Sells
| 1 |
Amazon
AMZN
|
$164M |
| 2 |
Invesco QQQ Trust
QQQ
|
$111M |
| 3 |
NVIDIA
NVDA
|
$77.7M |
| 4 |
Meta Platforms (Facebook)
META
|
$60.9M |
| 5 |
Procter & Gamble
PG
|
$38.8M |
Sector Composition
| 1 | Technology | 21.73% |
| 2 | Consumer Discretionary | 10.23% |
| 3 | Healthcare | 8.76% |
| 4 | Industrials | 7.59% |
| 5 | Communication Services | 6.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
201
Health Care Select Sector SPDR Fund
XLV
$34B
| $2.12M | ﹤0.01% |
16,373
-1,912
| -10% | -$247K |
|
202
Humana
HUM
$37B
| $2.1M | ﹤0.01% |
+4,336
| New | +$2.1M |
|
203
iShares MSCI Singapore ETF
EWS
$805M
| $2.1M | ﹤0.01% |
105,990
+15,228
| +17% | +$302K |
|
|
DQ
204
Daqo New Energy
DQ
$1.96B
| $2.1M | ﹤0.01% |
44,872
+12,746
| +40% | +$597K |
|
205
Veeva Systems
VEEV
$44.7B
| $2.1M | ﹤0.01% |
11,401
-12,175
| -52% | -$2.24M |
|
206
Twilio
TWLO
$16.7B
| $2.09M | ﹤0.01% |
31,381
-36,445
| -54% | -$2.43M |
|
207
WESCO International
WCC
$10.7B
| $2.06M | ﹤0.01% |
13,357
+11,362
| +570% | +$1.76M |
|
208
Ferrari
RACE
$87.1B
| $2.04M | ﹤0.01% |
+7,519
| New | +$2.04M |
|
|
GAP
209
The Gap, Inc.
GAP
$8.83B
| $2.03M | ﹤0.01% |
201,844
+152,860
| +312% | +$1.53M |
|
210
Marqeta
MQ
$2.76B
| $2.01M | ﹤0.01% |
440,710
+435,203
| +7,903% | +$1.99M |
|
211
RH
RH
$4.7B
| $2M | ﹤0.01% |
+8,208
| New | +$2M |
|
212
MetLife
MET
$52.9B
| $1.99M | ﹤0.01% |
+34,388
| New | +$1.99M |
|
213
Warner Bros
WBD
$30B
| $1.98M | ﹤0.01% |
131,220
-1,151,384
| -90% | -$17.4M |
|
214
AdvisorShares Pure US Cannabis ETF
MSOS
$837M
| $1.95M | ﹤0.01% |
342,013
+187,640
| +122% | +$1.07M |
|
|
ABB
215
DELISTED
ABB Ltd.
ABB
| $1.92M | ﹤0.01% |
55,896
+49,721
| +805% | +$1.71M |
|
216
iShares Core MSCI Emerging Markets ETF
IEMG
$103B
| $1.91M | ﹤0.01% |
39,221
+36,647
| +1,424% | +$1.79M |
|
217
JB Hunt Transport Services
JBHT
$13.9B
| $1.91M | ﹤0.01% |
10,887
+6,435
| +145% | +$1.13M |
|
218
Ambac
AMBC
$422M
| $1.88M | ﹤0.01% |
121,605
+106,206
| +690% | +$1.64M |
|
219
Clear Secure
YOU
$3.35B
| $1.87M | ﹤0.01% |
+71,518
| New | +$1.87M |
|
220
ING
ING
$71B
| $1.87M | ﹤0.01% |
157,239
+8,087
| +5% | +$96K |
|
221
CenterPoint Energy
CNP
$24.7B
| $1.83M | ﹤0.01% |
62,053
-2,270
| -4% | -$66.9K |
|
222
Fox Class A
FOXA
$27.4B
| $1.81M | ﹤0.01% |
53,073
+52,305
| +6,811% | +$1.78M |
|
223
DigitalOcean
DOCN
$2.98B
| $1.77M | ﹤0.01% |
+45,176
| New | +$1.77M |
|
224
NXP Semiconductors
NXPI
$57.2B
| $1.77M | ﹤0.01% |
+9,490
| New | +$1.77M |
|
225
AerCap
AER
$22B
| $1.7M | ﹤0.01% |
+30,195
| New | +$1.7M |
|