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 |
Alibaba
BABA
|
+$117M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$97.6M |
| 3 |
Walt Disney
DIS
|
+$73.4M |
| 4 |
Citigroup
C
|
+$45.8M |
| 5 |
KraneShares CSI China Internet ETF
KWEB
|
+$41.5M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$149M |
| 2 |
Amazon
AMZN
|
+$107M |
| 3 |
SPDR Gold Trust
GLD
|
+$58.6M |
| 4 |
Coinbase
COIN
|
+$56.5M |
| 5 |
NVIDIA
NVDA
|
+$48.2M |
Sector Composition
| 1 | Technology | 16.06% |
| 2 | Consumer Discretionary | 14.45% |
| 3 | Communication Services | 10.03% |
| 4 | Financials | 9.44% |
| 5 | Healthcare | 9.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1151
CorMedix
CRMD
$966M
| $109K | ﹤0.01% |
29,186
-42,277
| -59% | -$158K |
|
|
AMAM
1152
DELISTED
Ambrx Biopharma, Inc. Common Stock
AMAM
| $109K | ﹤0.01% |
7,657
-60,894
| -89% | -$867K |
|
1153
Adtran
ADTN
$809M
| $108K | ﹤0.01% |
14,819
+11,266
| +317% | +$82.1K |
|
1154
Kura Oncology
KURA
$711M
| $108K | ﹤0.01% |
7,545
+7,330
| +3,409% | +$105K |
|
|
LLAP
1155
DELISTED
Terran Orbital Corporation
LLAP
| $108K | ﹤0.01% |
94,998
+61,065
| +180% | +$69.4K |
|
|
MDRX
1156
DELISTED
Veradigm Inc. Common Stock
MDRX
| $108K | ﹤0.01% |
10,303
+4,007
| +64% | +$42K |
|
1157
Cirrus Logic
CRUS
$6B
| $107K | ﹤0.01% |
+1,287
| New | +$107K |
|
1158
8x8 Inc
EGHT
$286M
| $107K | ﹤0.01% |
+28,439
| New | +$107K |
|
1159
Amplify Cybersecurity ETF
HACK
$2.3B
| $107K | ﹤0.01% |
+1,784
| New | +$107K |
|
1160
Kite Realty
KRG
$4.95B
| $107K | ﹤0.01% |
4,695
+2,721
| +138% | +$62K |
|
1161
Maximus
MMS
$5.05B
| $107K | ﹤0.01% |
1,284
+1,234
| +2,468% | +$103K |
|
1162
Ryanair
RYAAY
$31.1B
| $107K | ﹤0.01% |
+2,008
| New | +$107K |
|
1163
Vuzix
VUZI
$172M
| $106K | ﹤0.01% |
50,941
+27,740
| +120% | +$57.7K |
|
|
KNTE
1164
DELISTED
Kinnate Biopharma Inc. Common Stock
KNTE
| $105K | ﹤0.01% |
+44,339
| New | +$105K |
|
1165
Andersons Inc
ANDE
$1.38B
| $104K | ﹤0.01% |
1,820
+1,472
| +423% | +$84.1K |
|
1166
ProShares UltraShort Dow 30
DXD
$52.3M
| $104K | ﹤0.01% |
+3,078
| New | +$104K |
|
1167
iShares US Oil & Gas Exploration & Production ETF
IEO
$469M
| $104K | ﹤0.01% |
1,118
-3,973
| -78% | -$370K |
|
1168
Leidos
LDOS
$23.6B
| $104K | ﹤0.01% |
+964
| New | +$104K |
|
1169
VanEck Steel ETF
SLX
$82.3M
| $104K | ﹤0.01% |
+1,421
| New | +$104K |
|
|
BECN
1170
DELISTED
Beacon Roofing Supply, Inc.
BECN
| $104K | ﹤0.01% |
+1,200
| New | +$104K |
|
1171
SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$41.9B
| $103K | ﹤0.01% |
+1,132
| New | +$103K |
|
|
AHT
1172
Ashford Hospitality Trust
AHT
$38.1M
| $102K | ﹤0.01% |
+5,294
| New | +$102K |
|
1173
iShares MSCI ACWI ETF
ACWI
$22.5B
| $100K | ﹤0.01% |
+986
| New | +$100K |
|
1174
Bitwise Crypto Industry Innovators ETF
BITQ
$343M
| $100K | ﹤0.01% |
8,708
+1,497
| +21% | +$17.2K |
|
1175
Pioneer Power Solutions
PPSI
$50.3M
| $100K | ﹤0.01% |
14,755
-20,114
| -58% | -$136K |
|