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 |
Advanced Micro Devices
AMD
|
+$17.7M |
| 2 |
iShares MSCI EAFE ETF
EFA
|
+$10.1M |
| 3 |
NIO
NIO
|
+$7.66M |
| 4 |
Alibaba
BABA
|
+$7.54M |
| 5 |
Micron Technology
MU
|
+$6.73M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$101M |
| 2 |
SPDR Gold Trust
GLD
|
+$15.2M |
| 3 |
Amazon
AMZN
|
+$9.5M |
| 4 |
SPDR S&P 500 ETF Trust
SPY
|
+$8.76M |
| 5 |
Technology Select Sector SPDR Fund
XLK
|
+$7.41M |
Sector Composition
| 1 | Technology | 18.66% |
| 2 | Consumer Discretionary | 14.99% |
| 3 | Communication Services | 10.06% |
| 4 | Healthcare | 9.68% |
| 5 | Financials | 9.59% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
801
SiriusXM
SIRI
$8.17B
| $547K | ﹤0.01% |
8,338
-366
| -4% | -$24K |
|
|
CCEC
802
Capital Clean Energy Carriers Corp. Common Share
CCEC
$1.26B
| $547K | ﹤0.01% |
44,298
-400
| -0.9% | -$4.94K |
|
|
SILV
803
DELISTED
SilverCrest Metals Inc. Common Shares
SILV
| $545K | ﹤0.01% |
63,085
| – | – |
|
804
Camden Property Trust
CPT
$11.9B
| $542K | ﹤0.01% |
4,067
| – | – |
|
805
Cabot Corp
CBT
$4.28B
| $542K | ﹤0.01% |
9,296
| – | – |
|
|
DOYU
806
DouYu International Holdings
DOYU
$241M
| $542K | ﹤0.01% |
8,023
+37
| +0.5% | +$2.5K |
|
807
Acuity Brands
AYI
$10.1B
| $540K | ﹤0.01% |
3,066
+956
| +45% | +$168K |
|
808
Payoneer
PAYO
$2.45B
| $540K | ﹤0.01% |
53,791
-14,885
| -22% | -$149K |
|
809
Zevra Therapeutics
ZVRA
$461M
| $539K | ﹤0.01% |
40,531
+2,405
| +6% | +$32K |
|
|
LOTZ
810
DELISTED
CarLotz, Inc. Class A Common Stock
LOTZ
| $539K | ﹤0.01% |
101,900
+1,717
| +2% | +$9.08K |
|
811
Dycom Industries
DY
$7.3B
| $537K | ﹤0.01% |
7,071
| – | – |
|
812
Huazhu Hotels Group
HTHT
$11.4B
| $537K | ﹤0.01% |
10,005
-760
| -7% | -$40.8K |
|
813
Ironwood Pharmaceuticals
IRWD
$180M
| $536K | ﹤0.01% |
41,525
-4,094
| -9% | -$52.8K |
|
814
Wintrust Financial
WTFC
$9.23B
| $536K | ﹤0.01% |
7,030
-200
| -3% | -$15.2K |
|
815
Xerox
XRX
$468M
| $536K | ﹤0.01% |
22,533
+216
| +1% | +$5.14K |
|
816
BGC Group
BGC
$4.76B
| $533K | ﹤0.01% |
93,081
| – | – |
|
817
TechnipFMC
FTI
$16.3B
| $533K | ﹤0.01% |
57,024
| – | – |
|
|
BNFT
818
DELISTED
Benefitfocus, Inc.
BNFT
| $533K | ﹤0.01% |
37,649
+1,700
| +5% | +$24.1K |
|
819
Marqeta
MQ
$2.69B
| $532K | ﹤0.01% |
18,958
+1,700
| +10% | +$47.7K |
|
820
J.M. Smucker
SJM
$11.8B
| $532K | ﹤0.01% |
4,095
+276
| +7% | +$35.9K |
|
821
Applovin
APP
$189B
| $531K | ﹤0.01% |
7,487
+3,716
| +99% | +$264K |
|
|
AZUL
822
DELISTED
Azul
AZUL
| $531K | ﹤0.01% |
20,342
| – | – |
|
823
iShares Select Dividend ETF
DVY
$20.7B
| $528K | ﹤0.01% |
4,501
+300
| +7% | +$35.2K |
|
824
DNOW Inc
DNOW
$1.6B
| $527K | ﹤0.01% |
54,284
+987
| +2% | +$9.58K |
|
825
ICICI Bank
IBN
$114B
| $527K | ﹤0.01% |
30,855
| – | – |
|