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 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$278M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$84.4M |
| 3 |
NVIDIA
NVDA
|
+$76.9M |
| 4 |
TSMC
TSM
|
+$74.9M |
| 5 |
Amazon
AMZN
|
+$53.5M |
Top Sells
| 1 |
Apple
AAPL
|
+$497M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$73.7M |
| 3 |
Alibaba
BABA
|
+$49M |
| 4 |
Advanced Micro Devices
AMD
|
+$48.1M |
| 5 |
Uber
UBER
|
+$41.8M |
Sector Composition
| 1 | Technology | 22.9% |
| 2 | Consumer Discretionary | 12.26% |
| 3 | Healthcare | 9.52% |
| 4 | Communication Services | 8.42% |
| 5 | Financials | 7.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
826
New Oriental
EDU
$8.93B
| $211K | ﹤0.01% |
4,430
+3,677
| +488% | +$175K |
|
827
Esperion Therapeutics
ESPR
$563M
| $211K | ﹤0.01% |
+146,741
| New | +$211K |
|
828
Global X NASDAQ-100 Covered Call ETF
QYLD
$8.28B
| $211K | ﹤0.01% |
+12,702
| New | +$211K |
|
829
Cboe Global Markets
CBOE
$24.7B
| $210K | ﹤0.01% |
+929
| New | +$210K |
|
830
Compass Minerals
CMP
$771M
| $210K | ﹤0.01% |
22,660
+1,881
| +9% | +$17.4K |
|
|
DQ
831
Daqo New Energy
DQ
$1.73B
| $210K | ﹤0.01% |
11,603
+4,229
| +57% | +$76.5K |
|
|
CRESY
832
Cresud
CRESY
$537M
| $209K | ﹤0.01% |
18,929
+6,826
| +56% | +$75.4K |
|
833
Hexcel
HXL
$4.98B
| $209K | ﹤0.01% |
3,832
+3,654
| +2,053% | +$199K |
|
834
Thor Industries
THO
$5.83B
| $209K | ﹤0.01% |
2,760
+2,255
| +447% | +$171K |
|
835
Telefonica
TEF
$30.3B
| $208K | ﹤0.01% |
44,847
+43,731
| +3,919% | +$203K |
|
|
GRAL
836
GRAIL, Inc. Common Stock
GRAL
$1.39B
| $208K | ﹤0.01% |
8,169
+3,960
| +94% | +$101K |
|
837
Kratos Defense & Security Solutions
KTOS
$11.4B
| $207K | ﹤0.01% |
6,981
+4,625
| +196% | +$137K |
|
838
ProShares VIX Mid-Term Futures ETF
VIXM
$40.8M
| $206K | ﹤0.01% |
13,042
-2,811
| -18% | -$44.4K |
|
839
Barnes & Noble Education
BNED
$289M
| $204K | ﹤0.01% |
19,485
-9,619
| -33% | -$101K |
|
840
RLX Technology
RLX
$3.28B
| $204K | ﹤0.01% |
+108,681
| New | +$204K |
|
841
TAL Education Group
TAL
$6.54B
| $204K | ﹤0.01% |
15,447
-30,682
| -67% | -$405K |
|
842
WideOpenWest
WOW
$440M
| $204K | ﹤0.01% |
+41,374
| New | +$204K |
|
|
AIOT
843
PowerFleet, Inc. Common Stock
AIOT
$699M
| $204K | ﹤0.01% |
+37,275
| New | +$204K |
|
844
Ryan Specialty Holdings
RYAN
$6.62B
| $203K | ﹤0.01% |
2,753
-5,377
| -66% | -$396K |
|
|
BORR
845
Borr Drilling
BORR
$879M
| $202K | ﹤0.01% |
92,273
-75,519
| -45% | -$165K |
|
846
REX American Resources
REX
$1.02B
| $202K | ﹤0.01% |
5,402
+5,370
| +16,781% | +$201K |
|
847
Woodward
WWD
$14.4B
| $202K | ﹤0.01% |
+1,111
| New | +$202K |
|
848
Open Text
OTEX
$8.96B
| $201K | ﹤0.01% |
+7,976
| New | +$201K |
|
849
ProShares UltraShort Real Estate
SRS
$21.6M
| $201K | ﹤0.01% |
4,160
+3,967
| +2,055% | +$192K |
|
850
VEON
VEON
$3.71B
| $201K | ﹤0.01% |
4,631
-456
| -9% | -$19.8K |
|