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 |
Amazon
AMZN
|
$102M |
| 2 |
TSMC
TSM
|
$29.6M |
| 3 |
JPMorgan Chase
JPM
|
$21.9M |
| 4 |
Boeing
BA
|
$18.8M |
| 5 |
Target
TGT
|
$13.5M |
Top Sells
| 1 |
SPDR Gold Trust
GLD
|
$94.2M |
| 2 |
Tesla
TSLA
|
$91.2M |
| 3 |
Invesco QQQ Trust
QQQ
|
$81.5M |
| 4 |
NVIDIA
NVDA
|
$60M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
$40.5M |
Sector Composition
| 1 | Consumer Discretionary | 21.73% |
| 2 | Technology | 16.48% |
| 3 | Healthcare | 9.06% |
| 4 | Financials | 8.3% |
| 5 | Communication Services | 7.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
226
Lam Research
LRCX
$130B
| $1.52M | ﹤0.01% |
+45,800
| New | +$1.52M |
|
227
American Water Works
AWK
$28B
| $1.52M | ﹤0.01% |
10,482
+5,744
| +121% | +$832K |
|
228
Bright Horizons
BFAM
$6.64B
| $1.51M | ﹤0.01% |
+9,947
| New | +$1.51M |
|
229
Thor Industries
THO
$5.94B
| $1.51M | ﹤0.01% |
+15,863
| New | +$1.51M |
|
230
PVH
PVH
$4.22B
| $1.5M | ﹤0.01% |
25,230
+6,099
| +32% | +$364K |
|
231
Cadence Design Systems
CDNS
$95.6B
| $1.5M | ﹤0.01% |
+14,066
| New | +$1.5M |
|
|
SIX
232
DELISTED
Six Flags Entertainment Corp.
SIX
| $1.49M | ﹤0.01% |
73,442
+45,321
| +161% | +$919K |
|
|
CHL
233
DELISTED
China Mobile Limited
CHL
| $1.48M | ﹤0.01% |
46,069
-23,436
| -34% | -$753K |
|
234
GSK
GSK
$81.5B
| $1.48M | ﹤0.01% |
31,358
+10,463
| +50% | +$492K |
|
|
BFX
235
DELISTED
BowFlex Inc.
BFX
| $1.47M | ﹤0.01% |
85,668
+81,581
| +1,996% | +$1.4M |
|
236
Boston Properties
BXP
$12.2B
| $1.47M | ﹤0.01% |
+18,301
| New | +$1.47M |
|
|
CERN
237
DELISTED
Cerner Corp
CERN
| $1.47M | ﹤0.01% |
+20,328
| New | +$1.47M |
|
|
UNIT
238
Uniti Group
UNIT
$1.59B
| $1.46M | ﹤0.01% |
138,988
-4,921
| -3% | -$51.8K |
|
239
SPDR S&P Homebuilders ETF
XHB
$2.01B
| $1.46M | ﹤0.01% |
27,073
+24,507
| +955% | +$1.32M |
|
240
Canadian Solar
CSIQ
$748M
| $1.45M | ﹤0.01% |
41,386
+37,219
| +893% | +$1.31M |
|
241
Williams-Sonoma
WSM
$24.7B
| $1.45M | ﹤0.01% |
+32,122
| New | +$1.45M |
|
|
ADAM
242
Adamas Trust, Inc. Common Stock
ADAM
$669M
| $1.45M | ﹤0.01% |
142,013
+141,594
| +33,793% | +$1.44M |
|
243
Tyler Technologies
TYL
$24.2B
| $1.45M | ﹤0.01% |
4,150
+105
| +3% | +$36.6K |
|
244
Qorvo
QRVO
$8.61B
| $1.44M | ﹤0.01% |
11,148
-6,836
| -38% | -$882K |
|
|
SNP
245
DELISTED
CHINA PETROLEUM & CHEMICAL CORPORATION ADS (REP 100 ORDINARY H SHARES)
SNP
| $1.43M | ﹤0.01% |
35,448
-1,434
| -4% | -$58K |
|
246
ARK Fintech Innovation ETF
ARKF
$1.33B
| $1.43M | ﹤0.01% |
+36,114
| New | +$1.43M |
|
247
Comerica
CMA
$8.85B
| $1.42M | ﹤0.01% |
+37,180
| New | +$1.42M |
|
248
Plug Power
PLUG
$1.69B
| $1.42M | ﹤0.01% |
105,886
+26,690
| +34% | +$358K |
|
249
Teucrium Corn Fund
CORN
$48.6M
| $1.42M | ﹤0.01% |
108,027
+85,360
| +377% | +$1.12M |
|
250
SPDR Bloomberg High Yield Bond ETF
JNK
$8.1B
| $1.4M | ﹤0.01% |
13,455
-20,835
| -61% | -$2.17M |
|