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 | |
|---|---|---|---|---|---|---|
1151
Beazer Homes USA
BZH
$770M
| $144K | ﹤0.01% |
9,508
+3,129
| +49% | +$47.4K |
|
1152
EPAM Systems
EPAM
$8.65B
| $144K | ﹤0.01% |
404
-3,136
| -89% | -$1.12M |
|
1153
Direxion Daily Financial Bear 3x Shares
FAZ
$109M
| $144K | ﹤0.01% |
+2,500
| New | +$144K |
|
1154
Herbalife
HLF
$977M
| $144K | ﹤0.01% |
3,015
+998
| +49% | +$47.7K |
|
1155
Custom Truck One Source
CTOS
$1.31B
| $143K | ﹤0.01% |
+19,490
| New | +$143K |
|
1156
KalVista Pharmaceuticals
KALV
$705M
| $143K | ﹤0.01% |
+7,570
| New | +$143K |
|
1157
Mistras Group
MG
$301M
| $143K | ﹤0.01% |
18,552
-425
| -2% | -$3.28K |
|
1158
The RealReal
REAL
$1.11B
| $143K | ﹤0.01% |
7,331
-14,154
| -66% | -$276K |
|
|
SVC
1159
Service Properties Trust
SVC
$479M
| $143K | ﹤0.01% |
12,504
+5,956
| +91% | +$68.1K |
|
|
ADAP
1160
Adaptimmune Therapeutics
ADAP
$14.2M
| $142K | ﹤0.01% |
+26,406
| New | +$142K |
|
1161
Aspen Aerogels
ASPN
$558M
| $142K | ﹤0.01% |
+8,511
| New | +$142K |
|
1162
SITE Centers
SITC
$464M
| $142K | ﹤0.01% |
18,089
-13,909
| -43% | -$109K |
|
1163
Wayfair
W
$11.3B
| $142K | ﹤0.01% |
633
-8,445
| -93% | -$1.89M |
|
|
APTS
1164
DELISTED
Preferred Apartment Communities, Inc.
APTS
| $142K | ﹤0.01% |
+19,308
| New | +$142K |
|
1165
Bank of America
BAC
$375B
| $141K | ﹤0.01% |
4,680
-223,600
| -98% | -$6.74M |
|
1166
VanEck Gaming ETF
BJK
$27.3M
| $141K | ﹤0.01% |
+3,022
| New | +$141K |
|
|
NBEV
1167
DELISTED
NewAge, Inc. Common Stock (Delaware)
NBEV
| $141K | ﹤0.01% |
53,874
+9,540
| +22% | +$25K |
|
1168
Honda
HMC
$43.9B
| $140K | ﹤0.01% |
4,977
+871
| +21% | +$24.5K |
|
1169
iShares MSCI USA Momentum Factor ETF
MTUM
$18.8B
| $140K | ﹤0.01% |
+873
| New | +$140K |
|
1170
VanEck Biotech ETF
BBH
$350M
| $139K | ﹤0.01% |
+824
| New | +$139K |
|
1171
SPDR S&P China ETF
GXC
$501M
| $139K | ﹤0.01% |
1,070
+570
| +114% | +$74K |
|
1172
Simulations Plus
SLP
$294M
| $139K | ﹤0.01% |
+1,946
| New | +$139K |
|
1173
MarineMax
HZO
$564M
| $138K | ﹤0.01% |
3,956
-6,785
| -63% | -$237K |
|
1174
LoveSac
LOVE
$255M
| $138K | ﹤0.01% |
+3,212
| New | +$138K |
|
1175
Tradeweb Markets
TW
$25.2B
| $138K | ﹤0.01% |
2,224
-3,906
| -64% | -$242K |
|