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 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$278M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$84.4M |
| 3 |
NVIDIA
NVDA
|
+$76.9M |
| 4 |
TSMC
TSM
|
+$74.9M |
| 5 |
Amazon
AMZN
|
+$53.5M |
Top Sells
| 1 |
Apple
AAPL
|
+$497M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$73.7M |
| 3 |
Alibaba
BABA
|
+$49M |
| 4 |
Advanced Micro Devices
AMD
|
+$48.1M |
| 5 |
Uber
UBER
|
+$41.8M |
Sector Composition
| 1 | Technology | 22.9% |
| 2 | Consumer Discretionary | 12.26% |
| 3 | Healthcare | 9.52% |
| 4 | Communication Services | 8.42% |
| 5 | Financials | 7.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1126
Corvus Pharmaceuticals
CRVS
$440M
| $85K | ﹤0.01% |
26,990
-112,943
| -81% | -$356K |
|
1127
Hawaiian Electric Industries
HE
$2.09B
| $85K | ﹤0.01% |
7,764
-106,485
| -93% | -$1.17M |
|
1128
International Seaways
INSW
$2.34B
| $85K | ﹤0.01% |
2,575
-5,990
| -70% | -$198K |
|
1129
Innoviz Technologies
INVZ
$365M
| $85K | ﹤0.01% |
130,881
-105,304
| -45% | -$68.4K |
|
1130
Old National Bancorp
ONB
$8.97B
| $85K | ﹤0.01% |
4,013
-9,230
| -70% | -$196K |
|
1131
Tradr 2X Long Innovation ETFShort Innovation Daily ETF
SARK
$65.3M
| $85K | ﹤0.01% |
1,649
-3,262
| -66% | -$168K |
|
1132
Sally Beauty Holdings
SBH
$1.49B
| $85K | ﹤0.01% |
9,497
-1,931
| -17% | -$17.3K |
|
|
DADA
1133
DELISTED
Dada Nexus
DADA
| $84K | ﹤0.01% |
45,557
+21,905
| +93% | +$40.4K |
|
1134
Helmerich & Payne
HP
$2.12B
| $84K | ﹤0.01% |
3,242
-3,202
| -50% | -$83K |
|
1135
Global X US Infrastructure Development ETF
PAVE
$9.43B
| $84K | ﹤0.01% |
2,229
-363
| -14% | -$13.7K |
|
1136
Valmont Industries
VMI
$7.49B
| $84K | ﹤0.01% |
297
-635
| -68% | -$180K |
|
|
SOBO
1137
South Bow Corporation
SOBO
$5.79B
| $84K | ﹤0.01% |
3,310
+1,402
| +73% | +$35.6K |
|
1138
Ardagh Metal Packaging
AMBP
$2.12B
| $83K | ﹤0.01% |
27,739
+10,333
| +59% | +$30.9K |
|
1139
Evercore
EVR
$13.3B
| $83K | ﹤0.01% |
+419
| New | +$83K |
|
1140
Gildan
GIL
$8.08B
| $83K | ﹤0.01% |
+1,894
| New | +$83K |
|
1141
Haverty Furniture Companies
HVT
$374M
| $83K | ﹤0.01% |
+4,227
| New | +$83K |
|
1142
Under Armour Class C
UA
$2.05B
| $83K | ﹤0.01% |
14,065
+1,637
| +13% | +$9.66K |
|
|
PPTA
1143
Perpetua Resources
PPTA
$1.83B
| $82K | ﹤0.01% |
7,744
-6,720
| -46% | -$71.2K |
|
1144
Hafnia
HAFN
$3.03B
| $82K | ﹤0.01% |
+19,814
| New | +$82K |
|
|
API
1145
Agora
API
$340M
| $81K | ﹤0.01% |
20,151
+17,167
| +575% | +$69K |
|
1146
ChargePoint
CHPT
$241M
| $81K | ﹤0.01% |
6,719
+5,851
| +674% | +$70.5K |
|
1147
Fiverr
FVRR
$882M
| $81K | ﹤0.01% |
+3,426
| New | +$81K |
|
1148
Illumina
ILMN
$14.7B
| $81K | ﹤0.01% |
1,024
-6,071
| -86% | -$480K |
|
1149
Immunome
IMNM
$879M
| $81K | ﹤0.01% |
12,154
+5,874
| +94% | +$39.1K |
|
1150
Prologis
PLD
$106B
| $81K | ﹤0.01% |
+729
| New | +$81K |
|