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 |
Apple
AAPL
|
+$45.7M |
| 2 |
Walmart
WMT
|
+$45.2M |
| 3 |
VanEck Oil Services ETF
OIH
|
+$34.2M |
| 4 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$33.2M |
| 5 |
Citigroup
C
|
+$32.7M |
Top Sells
| 1 |
Amazon
AMZN
|
+$164M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$111M |
| 3 |
NVIDIA
NVDA
|
+$77.7M |
| 4 |
Meta Platforms (Facebook)
META
|
+$60.9M |
| 5 |
Procter & Gamble
PG
|
+$38.8M |
Sector Composition
| 1 | Technology | 21.73% |
| 2 | Consumer Discretionary | 10.23% |
| 3 | Healthcare | 8.76% |
| 4 | Industrials | 7.59% |
| 5 | Communication Services | 6.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
726
Iridium Communications
IRDM
$2.03B
| $249K | ﹤0.01% |
+4,028
| New | +$249K |
|
727
Molson Coors Class B
TAP
$9.62B
| $248K | ﹤0.01% |
4,800
-30,201
| -86% | -$1.56M |
|
728
Boot Barn
BOOT
$5.64B
| $247K | ﹤0.01% |
+3,235
| New | +$247K |
|
729
Global X Robotics & Artificial Intelligence ETF
BOTZ
$2.87B
| $247K | ﹤0.01% |
9,712
+114
| +1% | +$2.9K |
|
|
MTLS
730
Materialise
MTLS
$303M
| $247K | ﹤0.01% |
29,831
+8,659
| +41% | +$71.7K |
|
731
Invesco Aerospace & Defense ETF
PPA
$6.25B
| $247K | ﹤0.01% |
+3,074
| New | +$247K |
|
732
Magnachip Semiconductor
MX
$111M
| $246K | ﹤0.01% |
26,524
-31,779
| -55% | -$295K |
|
733
AeroVironment
AVAV
$11.8B
| $245K | ﹤0.01% |
2,679
+1,349
| +101% | +$123K |
|
734
Immunovant
IMVT
$2.91B
| $245K | ﹤0.01% |
15,854
+7,362
| +87% | +$114K |
|
735
TETRA Technologies
TTI
$636M
| $245K | ﹤0.01% |
92,484
+19,142
| +26% | +$50.7K |
|
|
DAO
736
Youdao
DAO
$1.05B
| $243K | ﹤0.01% |
28,653
+13,713
| +92% | +$116K |
|
737
Sprinklr
CXM
$1.89B
| $242K | ﹤0.01% |
18,721
+11,139
| +147% | +$144K |
|
|
JBGS
738
JBG SMITH
JBGS
$1.44B
| $241K | ﹤0.01% |
16,037
+4,020
| +33% | +$60.4K |
|
739
Mohawk Industries
MHK
$8.36B
| $240K | ﹤0.01% |
2,404
+136
| +6% | +$13.6K |
|
|
CERE
740
DELISTED
Cerevel Therapeutics Holdings, Inc. Common Stock
CERE
| $240K | ﹤0.01% |
+9,848
| New | +$240K |
|
741
Aaon
AAON
$6.77B
| $239K | ﹤0.01% |
3,719
+2,864
| +335% | +$184K |
|
|
CGC
742
Canopy Growth
CGC
$452M
| $239K | ﹤0.01% |
13,708
+13,399
| +4,336% | +$234K |
|
743
iShares Russell 3000 ETF
IWV
$16.8B
| $239K | ﹤0.01% |
1,016
-1,085
| -52% | -$255K |
|
744
M&T Bank
MTB
$31.1B
| $239K | ﹤0.01% |
2,000
-8,759
| -81% | -$1.05M |
|
745
Xponential Fitness
XPOF
$285M
| $236K | ﹤0.01% |
7,771
+5,666
| +269% | +$172K |
|
746
iShares US Oil & Gas Exploration & Production ETF
IEO
$470M
| $235K | ﹤0.01% |
+2,748
| New | +$235K |
|
747
Louisiana-Pacific
LPX
$6.67B
| $235K | ﹤0.01% |
4,337
-12,384
| -74% | -$671K |
|
748
Rambus
RMBS
$8.31B
| $235K | ﹤0.01% |
4,591
-1,443
| -24% | -$73.9K |
|
749
AdvisorShares Ranger Equity Bear ETF
HDGE
$49.8M
| $234K | ﹤0.01% |
9,232
+8,644
| +1,470% | +$219K |
|
750
Napco Security Technologies
NSSC
$1.43B
| $234K | ﹤0.01% |
6,253
+6,106
| +4,154% | +$228K |
|