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 | |
|---|---|---|---|---|---|---|
251
Progressive
PGR
$143B
| $1.74M | ﹤0.01% |
+17,610
| New | +$1.74M |
|
252
NetEase
NTES
$91.2B
| $1.74M | ﹤0.01% |
18,174
-2,831
| -13% | -$271K |
|
253
American Eagle Outfitters
AEO
$3.05B
| $1.73M | ﹤0.01% |
+86,120
| New | +$1.73M |
|
254
Vodafone
VOD
$28.6B
| $1.73M | ﹤0.01% |
+104,764
| New | +$1.73M |
|
|
FSR
255
DELISTED
Fisker Inc.
FSR
| $1.72M | ﹤0.01% |
117,650
+59,684
| +103% | +$874K |
|
256
Trip.com Group
TCOM
$47.2B
| $1.72M | ﹤0.01% |
50,986
+12,491
| +32% | +$421K |
|
257
Carvana
CVNA
$51.3B
| $1.71M | ﹤0.01% |
7,158
-17,594
| -71% | -$4.21M |
|
258
Equity Residential
EQR
$25.4B
| $1.7M | ﹤0.01% |
28,742
-28,711
| -50% | -$1.7M |
|
259
Carnival Corp
CCL
$43.3B
| $1.7M | ﹤0.01% |
78,407
-167,824
| -68% | -$3.63M |
|
260
Halliburton
HAL
$18.7B
| $1.7M | ﹤0.01% |
89,761
-98,705
| -52% | -$1.86M |
|
261
Sysco
SYY
$38.4B
| $1.7M | ﹤0.01% |
+22,852
| New | +$1.7M |
|
262
Nucor
NUE
$32.6B
| $1.69M | ﹤0.01% |
31,807
+23,968
| +306% | +$1.27M |
|
263
Digital Turbine
APPS
$492M
| $1.69M | ﹤0.01% |
29,844
+17,230
| +137% | +$974K |
|
264
Arvinas
ARVN
$589M
| $1.69M | ﹤0.01% |
19,871
+15,865
| +396% | +$1.35M |
|
265
ProShares Ultra Bloomberg Crude Oil
UCO
$354M
| $1.68M | ﹤0.01% |
185,460
-30,516
| -14% | -$277K |
|
266
Coca-Cola
KO
$292B
| $1.67M | ﹤0.01% |
30,454
+22,754
| +296% | +$1.25M |
|
267
Direxion Daily Financial Bull 3x Shares
FAS
$2.62B
| $1.66M | ﹤0.01% |
27,344
-44,135
| -62% | -$2.68M |
|
268
ICU Medical
ICUI
$3.2B
| $1.66M | ﹤0.01% |
7,740
+6,806
| +729% | +$1.46M |
|
269
iShares MSCI South Korea ETF
EWY
$5.31B
| $1.64M | ﹤0.01% |
+19,092
| New | +$1.64M |
|
270
Direxion Daily S&P Oil & Gas Exp & Prod Bull 2X Shares
GUSH
$242M
| $1.63M | ﹤0.01% |
171,172
+100,820
| +143% | +$962K |
|
271
NextEra Energy, Inc.
NEE
$144B
| $1.63M | ﹤0.01% |
21,175
-170,441
| -89% | -$13.1M |
|
272
PVH
PVH
$3.99B
| $1.61M | ﹤0.01% |
17,192
-8,038
| -32% | -$755K |
|
273
iShares MSCI ACWI ETF
ACWI
$22.2B
| $1.61M | ﹤0.01% |
17,790
-5,277
| -23% | -$478K |
|
274
Restaurant Brands International
QSR
$20.2B
| $1.61M | ﹤0.01% |
26,366
-27,203
| -51% | -$1.66M |
|
|
BHVN
275
DELISTED
Biohaven Pharmaceutical Holding Company Ltd.
BHVN
| $1.61M | ﹤0.01% |
18,776
+2,784
| +17% | +$239K |
|