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
|
+$144M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$68.7M |
| 3 |
AT&T
T
|
+$45.5M |
| 4 |
Meta Platforms (Facebook)
META
|
+$38M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$35.4M |
Top Sells
| 1 |
Microsoft
MSFT
|
+$94.2M |
| 2 |
Citigroup
C
|
+$62.3M |
| 3 |
JPMorgan Chase
JPM
|
+$56.2M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$45.8M |
| 5 |
SPDR Gold Trust
GLD
|
+$44.4M |
Sector Composition
| 1 | Consumer Discretionary | 16.85% |
| 2 | Technology | 15.5% |
| 3 | Communication Services | 10.53% |
| 4 | Healthcare | 8.8% |
| 5 | Consumer Staples | 5.63% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
676
Visteon
VC
$3.49B
| $283K | ﹤0.01% |
2,165
+1,855
| +598% | +$242K |
|
|
VWE
677
DELISTED
Vintage Wine Estates, Inc. Common Stock
VWE
| $282K | ﹤0.01% |
86,799
+74,374
| +599% | +$242K |
|
678
XP
XP
$10B
| $281K | ﹤0.01% |
18,379
-32,755
| -64% | -$501K |
|
679
Bloom Energy
BE
$15.6B
| $280K | ﹤0.01% |
14,656
-8,636
| -37% | -$165K |
|
680
Westrock Coffee
WEST
$515M
| $279K | ﹤0.01% |
20,909
-3,469
| -14% | -$46.3K |
|
681
American Resources Corp
AREC
$174M
| $278K | ﹤0.01% |
211,064
-93,853
| -31% | -$124K |
|
|
SILK
682
DELISTED
Silk Road Medical, Inc. Common Stock
SILK
| $275K | ﹤0.01% |
+5,214
| New | +$275K |
|
683
Compañía de Minas Buenaventura
BVN
$5.13B
| $275K | ﹤0.01% |
37,016
+24,127
| +187% | +$179K |
|
684
Babcock & Wilcox
BW
$247M
| $275K | ﹤0.01% |
+47,771
| New | +$275K |
|
685
Arhaus
ARHS
$1.58B
| $274K | ﹤0.01% |
+28,154
| New | +$274K |
|
686
DoubleVerify
DV
$2.26B
| $273K | ﹤0.01% |
+12,449
| New | +$273K |
|
687
Remitly
RELY
$3.8B
| $273K | ﹤0.01% |
+23,852
| New | +$273K |
|
688
Murphy Oil
MUR
$3.67B
| $272K | ﹤0.01% |
6,327
+283
| +5% | +$12.2K |
|
689
Alpha Metallurgical Resources
AMR
$1.86B
| $271K | ﹤0.01% |
1,853
-18,253
| -91% | -$2.67M |
|
690
Philips
PHG
$27.1B
| $271K | ﹤0.01% |
+20,373
| New | +$271K |
|
691
First Trust Dow Jones Internet Index Fund ETF
FDN
$7.94B
| $270K | ﹤0.01% |
+2,197
| New | +$270K |
|
692
Sundial Growers
SNDL
$615M
| $269K | ﹤0.01% |
129,167
-22,930
| -15% | -$47.8K |
|
693
Ambac
AMBC
$408M
| $268K | ﹤0.01% |
15,399
-82,455
| -84% | -$1.44M |
|
694
Digital Turbine
APPS
$484M
| $268K | ﹤0.01% |
+17,590
| New | +$268K |
|
695
Universal Display
OLED
$6.53B
| $266K | ﹤0.01% |
2,470
-7,053
| -74% | -$760K |
|
696
TaskUs
TASK
$1.56B
| $265K | ﹤0.01% |
15,734
+164
| +1% | +$2.76K |
|
697
Diageo
DEO
$57.8B
| $262K | ﹤0.01% |
1,473
+63
| +4% | +$11.2K |
|
698
Cedar Fair
FUN
$2.22B
| $262K | ﹤0.01% |
6,355
-328
| -5% | -$13.5K |
|
699
ProShares Ultra Bloomberg Natural Gas
BOIL
$124M
| $261K | ﹤0.01% |
147
-222
| -60% | -$394K |
|
|
SOHU
700
Sohu.com
SOHU
$481M
| $260K | ﹤0.01% |
+18,974
| New | +$260K |
|