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
|
+$102M |
| 2 |
TSMC
TSM
|
+$29.6M |
| 3 |
JPMorgan Chase
JPM
|
+$21.9M |
| 4 |
Boeing
BA
|
+$18.8M |
| 5 |
Target
TGT
|
+$13.5M |
Top Sells
| 1 |
SPDR Gold Trust
GLD
|
+$94.2M |
| 2 |
Tesla
TSLA
|
+$91.2M |
| 3 |
Invesco QQQ Trust
QQQ
|
+$81.5M |
| 4 |
NVIDIA
NVDA
|
+$60M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Sector Composition
| 1 | Consumer Discretionary | 21.73% |
| 2 | Technology | 16.48% |
| 3 | Healthcare | 9.06% |
| 4 | Financials | 8.3% |
| 5 | Communication Services | 7.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
751
HP
HPQ
$26.5B
| $258K | ﹤0.01% |
13,632
+13,532
| +13,532% | +$256K |
|
752
Smith & Wesson
SWBI
$419M
| $258K | ﹤0.01% |
16,638
+764
| +5% | +$11.8K |
|
753
Hercules Capital
HTGC
$3.53B
| $257K | ﹤0.01% |
22,297
-24,154
| -52% | -$278K |
|
|
MAG
754
DELISTED
MAG Silver
MAG
| $256K | ﹤0.01% |
+15,745
| New | +$256K |
|
755
Virtu Financial
VIRT
$3.12B
| $256K | ﹤0.01% |
11,156
+5,468
| +96% | +$125K |
|
756
B2Gold
BTG
$5.86B
| $255K | ﹤0.01% |
39,250
+4,442
| +13% | +$28.9K |
|
757
Celldex Therapeutics
CLDX
$1.66B
| $253K | ﹤0.01% |
17,062
-45,530
| -73% | -$675K |
|
758
Digital Ally
DGLY
$3.18M
| $253K | ﹤0.01% |
+3
| New | +$253K |
|
759
Wheaton Precious Metals
WPM
$48.2B
| $253K | ﹤0.01% |
5,166
+4,221
| +447% | +$207K |
|
760
Rocket Pharmaceuticals
RCKT
$342M
| $251K | ﹤0.01% |
11,021
+2,036
| +23% | +$46.4K |
|
761
Calix
CALX
$4.13B
| $249K | ﹤0.01% |
14,026
+2,466
| +21% | +$43.8K |
|
762
3D Systems Corporation
DDD
$290M
| $249K | ﹤0.01% |
50,771
+9,673
| +24% | +$47.4K |
|
763
Murphy USA
MUSA
$7.54B
| $249K | ﹤0.01% |
+1,943
| New | +$249K |
|
764
BioLife Solutions
BLFS
$1.28B
| $247K | ﹤0.01% |
+8,556
| New | +$247K |
|
765
Silgan Holdings
SLGN
$4.74B
| $247K | ﹤0.01% |
6,718
+6,274
| +1,413% | +$231K |
|
|
TCS
766
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
| $247K | ﹤0.01% |
2,660
+2,547
| +2,254% | +$237K |
|
767
Alto Ingredients
ALTO
$89.8M
| $246K | ﹤0.01% |
+33,687
| New | +$246K |
|
768
FIVE9
FIVN
$1.99B
| $246K | ﹤0.01% |
+1,897
| New | +$246K |
|
769
Incyte
INCY
$16.9B
| $246K | ﹤0.01% |
2,749
+2,426
| +751% | +$217K |
|
770
NiSource
NI
$19.3B
| $246K | ﹤0.01% |
+11,223
| New | +$246K |
|
|
CBPO
771
DELISTED
China Biologic Products Holdings, Inc.
CBPO
| $245K | ﹤0.01% |
+2,210
| New | +$245K |
|
772
Akebia Therapeutics
AKBA
$785M
| $244K | ﹤0.01% |
97,449
+52,801
| +118% | +$132K |
|
773
GoodRx Holdings
GDRX
$1.45B
| $244K | ﹤0.01% |
+4,401
| New | +$244K |
|
774
Health Catalyst
HCAT
$230M
| $244K | ﹤0.01% |
+6,679
| New | +$244K |
|
775
Cal-Maine
CALM
$5.4B
| $243K | ﹤0.01% |
+6,339
| New | +$243K |
|