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 |
Tesla
TSLA
|
+$27.1M |
| 2 |
Netflix
NFLX
|
+$24.7M |
| 3 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$20.1M |
| 4 |
TWX
Time Warner Inc
TWX
|
+$18.3M |
| 5 |
Alibaba
BABA
|
+$14.8M |
Top Sells
| 1 |
Amazon
AMZN
|
+$71.9M |
| 2 |
Micron Technology
MU
|
+$47.7M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$26.3M |
| 4 |
Boeing
BA
|
+$21M |
| 5 |
Citigroup
C
|
+$19.6M |
Sector Composition
| 1 | Consumer Discretionary | 15.64% |
| 2 | Communication Services | 14.16% |
| 3 | Technology | 12.46% |
| 4 | Financials | 10.94% |
| 5 | Healthcare | 10.33% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1476
US Global Investors
GROW
$32.3M
| $15K | ﹤0.01% |
5,987
+916
| +18% | +$2.3K |
|
1477
Imperial Oil
IMO
$46.3B
| $15K | ﹤0.01% |
578
-3,190
| -85% | -$82.8K |
|
1478
Kopin
KOPN
$412M
| $15K | ﹤0.01% |
5,126
+3,711
| +262% | +$10.9K |
|
1479
Peoples Bancorp
PEBO
$1.08B
| $15K | ﹤0.01% |
434
+134
| +45% | +$4.63K |
|
1480
RB Global
RBA
$21.7B
| $15K | ﹤0.01% |
+484
| New | +$15K |
|
1481
TIM SA
TIMB
$10.3B
| $15K | ﹤0.01% |
728
+142
| +24% | +$2.93K |
|
1482
USA Compression Partners
USAC
$2.96B
| $15K | ﹤0.01% |
+898
| New | +$15K |
|
|
AIOT
1483
PowerFleet, Inc. Common Stock
AIOT
$701M
| $15K | ﹤0.01% |
2,430
-2,558
| -51% | -$15.8K |
|
|
SIOX
1484
DELISTED
Sio Gene Therapies Inc. Common Stock
SIOX
| $15K | ﹤0.01% |
1,436
-989
| -41% | -$10.3K |
|
|
ARTX
1485
DELISTED
Arotech Corporation
ARTX
| $15K | ﹤0.01% |
5,111
+2,082
| +69% | +$6.11K |
|
|
AREX
1486
DELISTED
Approach Resources Inc.
AREX
| $15K | ﹤0.01% |
5,958
-16,975
| -74% | -$42.7K |
|
1487
Genpact
G
$7.41B
| $14K | ﹤0.01% |
+462
| New | +$14K |
|
1488
Kearny Financial
KRNY
$412M
| $14K | ﹤0.01% |
1,087
-377
| -26% | -$4.86K |
|
1489
McKesson
MCK
$88.5B
| $14K | ﹤0.01% |
100
-10,660
| -99% | -$1.49M |
|
1490
McEwen Inc.
MUX
$748M
| $14K | ﹤0.01% |
676
-1,822
| -73% | -$37.7K |
|
1491
Nutanix
NTNX
$21.2B
| $14K | ﹤0.01% |
300
-18,663
| -98% | -$871K |
|
1492
Powell Industries
POWL
$3.47B
| $14K | ﹤0.01% |
+535
| New | +$14K |
|
1493
Schwab US Large-Cap Value ETF
SCHV
$13.5B
| $14K | ﹤0.01% |
+822
| New | +$14K |
|
1494
SiteOne Landscape Supply
SITE
$6.23B
| $14K | ﹤0.01% |
+184
| New | +$14K |
|
1495
Talphera
TLPH
$19.3M
| $14K | ﹤0.01% |
338
+205
| +154% | +$8.49K |
|
|
ENZ
1496
DELISTED
Enzo Biochem, Inc.
ENZ
| $14K | ﹤0.01% |
2,582
+1,421
| +122% | +$7.71K |
|
|
VIRX
1497
DELISTED
Viracta Therapeutics, Inc. Common Stock
VIRX
| $14K | ﹤0.01% |
+155
| New | +$14K |
|
|
NM
1498
DELISTED
Navios Maritime Holdings Inc.
NM
| $14K | ﹤0.01% |
1,625
-683
| -30% | -$5.88K |
|
|
PBFX
1499
DELISTED
PBF LOGISTICS LP
PBFX
| $14K | ﹤0.01% |
779
-824
| -51% | -$14.8K |
|
|
CCXI
1500
DELISTED
ChemoCentryx, Inc.
CCXI
| $14K | ﹤0.01% |
1,082
+1,075
| +15,357% | +$13.9K |
|