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 |
NVIDIA
NVDA
|
+$114M |
| 2 |
Citigroup
C
|
+$77M |
| 3 |
Broadcom
AVGO
|
+$53M |
| 4 |
Pinduoduo
PDD
|
+$49.7M |
| 5 |
Intel
INTC
|
+$44.5M |
Top Sells
| 1 |
Energy Select Sector SPDR Fund
XLE
|
+$92.5M |
| 2 |
Pfizer
PFE
|
+$67.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Direxion Daily Semiconductor Bull 3X Shares
SOXL
|
+$44.9M |
| 5 |
PayPal
PYPL
|
+$44.4M |
Sector Composition
| 1 | Technology | 27.91% |
| 2 | Consumer Discretionary | 14.92% |
| 3 | Healthcare | 10.74% |
| 4 | Financials | 10.11% |
| 5 | Materials | 6.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1201
National Beverage
FIZZ
$3.67B
| $82K | ﹤0.01% |
+1,619
| New | +$82K |
|
1202
TaskUs
TASK
$1.56B
| $82K | ﹤0.01% |
6,161
+5,440
| +755% | +$72.4K |
|
1203
AZZ Inc
AZZ
$3.52B
| $81K | ﹤0.01% |
+1,051
| New | +$81K |
|
1204
Booz Allen Hamilton
BAH
$12.9B
| $81K | ﹤0.01% |
+529
| New | +$81K |
|
1205
Capricor Therapeutics
CAPR
$291M
| $81K | ﹤0.01% |
17,169
-8,028
| -32% | -$37.9K |
|
1206
Co-Diagnostics
CODX
$13.1M
| $81K | ﹤0.01% |
64,843
+53,268
| +460% | +$66.5K |
|
1207
Imperial Petroleum
IMPP
$156M
| $81K | ﹤0.01% |
20,942
-12,385
| -37% | -$47.9K |
|
|
ODV
1208
Osisko Development Corp
ODV
$733M
| $81K | ﹤0.01% |
43,975
+42,383
| +2,662% | +$78.1K |
|
|
SVC
1209
Service Properties Trust
SVC
$476M
| $81K | ﹤0.01% |
15,837
+2,975
| +23% | +$15.2K |
|
|
CDMO
1210
DELISTED
Avid Bioservices, Inc. Common Stock
CDMO
| $81K | ﹤0.01% |
11,458
-15,705
| -58% | -$111K |
|
1211
eBay
EBAY
$41.5B
| $80K | ﹤0.01% |
+1,493
| New | +$80K |
|
1212
DT Midstream
DTM
$10.9B
| $80K | ﹤0.01% |
+1,139
| New | +$80K |
|
1213
SGHC Ltd
SGHC
$6.39B
| $80K | ﹤0.01% |
25,034
+19,589
| +360% | +$62.6K |
|
1214
United States Gasoline Fund
UGA
$77.2M
| $80K | ﹤0.01% |
+1,184
| New | +$80K |
|
1215
HF Sinclair
DINO
$9.56B
| $79K | ﹤0.01% |
+1,492
| New | +$79K |
|
1216
Dynavax Technologies
DVAX
$1.1B
| $79K | ﹤0.01% |
7,042
-62,949
| -90% | -$706K |
|
1217
iShares US Oil Equipment & Services ETF
IEZ
$113M
| $79K | ﹤0.01% |
3,567
+1,353
| +61% | +$30K |
|
1218
Crown Holdings
CCK
$11.2B
| $78K | ﹤0.01% |
+1,058
| New | +$78K |
|
1219
Corbus Pharmaceuticals
CRBP
$116M
| $78K | ﹤0.01% |
1,727
-263
| -13% | -$11.9K |
|
1220
Ginkgo Bioworks
DNA
$593M
| $78K | ﹤0.01% |
5,841
-3,710
| -39% | -$49.5K |
|
1221
Kornit Digital
KRNT
$647M
| $78K | ﹤0.01% |
5,375
+3,809
| +243% | +$55.3K |
|
1222
Valvoline
VVV
$5.14B
| $78K | ﹤0.01% |
1,824
-17,470
| -91% | -$747K |
|
|
MORF
1223
DELISTED
Morphic Holding, Inc. Common Stock
MORF
| $78K | ﹤0.01% |
2,310
-1,090
| -32% | -$36.8K |
|
1224
Mohawk Industries
MHK
$8.45B
| $77K | ﹤0.01% |
683
-10,442
| -94% | -$1.18M |
|
1225
Mersana Therapeutics
MRSN
$35.6M
| $77K | ﹤0.01% |
1,546
+1,224
| +380% | +$61K |
|