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 | |
|---|---|---|---|---|---|---|
|
YALA
876
Yalla Group
YALA
$1.18B
| $189K | ﹤0.01% |
36,309
-4,433
| -11% | -$23.1K |
|
877
Woodside Energy
WDS
$31.6B
| $188K | ﹤0.01% |
12,981
-12,484
| -49% | -$181K |
|
878
Global X Cybersecurity ETF
BUG
$1.14B
| $187K | ﹤0.01% |
5,805
+390
| +7% | +$12.6K |
|
879
Green Brick Partners
GRBK
$3.28B
| $187K | ﹤0.01% |
3,211
+1,690
| +111% | +$98.4K |
|
880
Grindr
GRND
$3.07B
| $187K | ﹤0.01% |
+10,484
| New | +$187K |
|
881
Baytex Energy
BTE
$1.83B
| $186K | ﹤0.01% |
83,726
+45,973
| +122% | +$102K |
|
882
Xerox
XRX
$466M
| $186K | ﹤0.01% |
+38,557
| New | +$186K |
|
883
Clean Harbors
CLH
$12.8B
| $185K | ﹤0.01% |
+942
| New | +$185K |
|
884
Teucrium Corn Fund
CORN
$48.8M
| $185K | ﹤0.01% |
9,989
-4,223
| -30% | -$78.2K |
|
885
Intapp
INTA
$3.73B
| $185K | ﹤0.01% |
3,186
+2,199
| +223% | +$128K |
|
|
ROBN
886
T-Rex 2X Long HOOD Daily Target ETF
ROBN
$286M
| $185K | ﹤0.01% |
+14,783
| New | +$185K |
|
|
DM
887
DELISTED
Desktop Metal, Inc.
DM
| $185K | ﹤0.01% |
37,822
+29,793
| +371% | +$146K |
|
888
iShares Global Clean Energy ETF
ICLN
$1.59B
| $184K | ﹤0.01% |
16,117
-6,339
| -28% | -$72.4K |
|
|
JBTM
889
JBT Marel Corporation
JBTM
$7.28B
| $183K | ﹤0.01% |
+1,499
| New | +$183K |
|
890
Microvision
MVIS
$346M
| $182K | ﹤0.01% |
+146,897
| New | +$182K |
|
891
Target Hospitality
TH
$889M
| $182K | ﹤0.01% |
27,716
-38,227
| -58% | -$251K |
|
892
Vita Coco
COCO
$2.22B
| $180K | ﹤0.01% |
5,880
+5,865
| +39,100% | +$180K |
|
893
T-Rex 2X Long NVIDIA Daily Target ETF
NVDX
$659M
| $180K | ﹤0.01% |
23,141
-170
| -0.7% | -$1.32K |
|
894
Vicor
VICR
$2.29B
| $179K | ﹤0.01% |
+3,840
| New | +$179K |
|
895
Casey's General Stores
CASY
$20.6B
| $178K | ﹤0.01% |
411
-191
| -32% | -$82.7K |
|
896
Seanergy Maritime Holdings
SHIP
$181M
| $178K | ﹤0.01% |
27,889
+20,616
| +283% | +$132K |
|
897
Direxion Daily Real Estate Bull 3X Shares
DRN
$67.3M
| $177K | ﹤0.01% |
17,171
+12,107
| +239% | +$125K |
|
898
KULR Technology Group
KULR
$183M
| $177K | ﹤0.01% |
16,802
+15,290
| +1,011% | +$161K |
|
899
Soho House & Co
SHCO
$1.73B
| $177K | ﹤0.01% |
28,762
+13,310
| +86% | +$81.9K |
|
|
ANSS
900
DELISTED
Ansys
ANSS
| $176K | ﹤0.01% |
+559
| New | +$176K |
|