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 |
Invesco QQQ Trust
QQQ
|
$41.7M |
| 2 |
Mastercard
MA
|
$33.6M |
| 3 |
Alibaba
BABA
|
$33.4M |
| 4 |
Apple
AAPL
|
$27.9M |
| 5 |
Alphabet (Google) Class C
GOOG
|
$26M |
Top Sells
| 1 |
JPMorgan Chase
JPM
|
$60M |
| 2 |
TSMC
TSM
|
$49.5M |
| 3 |
iShares Silver Trust
SLV
|
$26M |
| 4 |
Amazon
AMZN
|
$25.2M |
| 5 |
Boeing
BA
|
$22.1M |
Sector Composition
| 1 | Consumer Discretionary | 23.12% |
| 2 | Technology | 13.05% |
| 3 | Healthcare | 11.53% |
| 4 | Industrials | 7.38% |
| 5 | Communication Services | 6.71% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
SOHU
226
Sohu.com
SOHU
$467M
| $1.93M | ﹤0.01% |
121,223
+94,407
| +352% | +$1.5M |
|
227
Roundhill Sports Betting & iGaming ETF
BETZ
$84.9M
| $1.93M | ﹤0.01% |
74,609
+30,542
| +69% | +$789K |
|
228
Aramark
ARMK
$10.2B
| $1.92M | ﹤0.01% |
69,256
+25,939
| +60% | +$721K |
|
229
Futu Holdings
FUTU
$26.1B
| $1.92M | ﹤0.01% |
41,999
+27,584
| +191% | +$1.26M |
|
230
Direxion Work From Home ETF
WFH
$15.3M
| $1.91M | ﹤0.01% |
28,233
+24,160
| +593% | +$1.63M |
|
231
Pool Corp
POOL
$12.4B
| $1.88M | ﹤0.01% |
5,059
-4,105
| -45% | -$1.53M |
|
232
Sabre
SABR
$675M
| $1.87M | ﹤0.01% |
155,953
-149,202
| -49% | -$1.79M |
|
233
BioCryst Pharmaceuticals
BCRX
$1.74B
| $1.87M | ﹤0.01% |
250,512
+224,394
| +859% | +$1.67M |
|
234
Simon Property Group
SPG
$59.5B
| $1.86M | ﹤0.01% |
21,785
-13,636
| -38% | -$1.16M |
|
235
Invesco DB US Dollar Index Bearish Fund
UDN
$147M
| $1.86M | ﹤0.01% |
85,308
-16,166
| -16% | -$352K |
|
236
Equinox Gold
EQX
$7.65B
| $1.85M | ﹤0.01% |
179,061
+70,018
| +64% | +$724K |
|
|
IPOF
237
DELISTED
Social Capital Hedosophia Holdings Corp. VI
IPOF
| $1.85M | ﹤0.01% |
+150,188
| New | +$1.85M |
|
238
Bath & Body Works
BBWI
$6.06B
| $1.84M | ﹤0.01% |
61,193
-14,233
| -19% | -$428K |
|
239
Amplify Transformational Data Sharing ETF
BLOK
$1.16B
| $1.84M | ﹤0.01% |
52,481
+48,992
| +1,404% | +$1.71M |
|
240
SPDR S&P Regional Banking ETF
KRE
$3.99B
| $1.83M | ﹤0.01% |
+35,226
| New | +$1.83M |
|
241
Toll Brothers
TOL
$14.2B
| $1.82M | ﹤0.01% |
41,866
-10,280
| -20% | -$447K |
|
242
Keurig Dr Pepper
KDP
$38.9B
| $1.81M | ﹤0.01% |
56,553
+55,901
| +8,574% | +$1.79M |
|
243
Silicon Motion
SIMO
$2.8B
| $1.8M | ﹤0.01% |
37,474
+35,886
| +2,260% | +$1.73M |
|
244
United States Natural Gas Fund
UNG
$615M
| $1.8M | ﹤0.01% |
48,799
+8,004
| +20% | +$294K |
|
245
The Communication Services Select Sector SPDR Fund
XLC
$25.8B
| $1.78M | ﹤0.01% |
26,425
-6,567
| -20% | -$443K |
|
246
Invesco NASDAQ Next Gen 100 ETF
QQQJ
$667M
| $1.78M | ﹤0.01% |
+57,534
| New | +$1.78M |
|
|
KC
247
Kingsoft Cloud Holdings
KC
$3.78B
| $1.77M | ﹤0.01% |
40,688
+341
| +0.8% | +$14.8K |
|
248
Southern Copper
SCCO
$83.6B
| $1.76M | ﹤0.01% |
28,353
+22,156
| +358% | +$1.37M |
|
249
Planet Fitness
PLNT
$8.77B
| $1.75M | ﹤0.01% |
22,572
-19,850
| -47% | -$1.54M |
|
250
QuantumScape
QS
$4.44B
| $1.75M | ﹤0.01% |
20,709
+10,680
| +106% | +$901K |
|