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 | |
|---|---|---|---|---|---|---|
551
Omeros
OMER
$291M
| $521K | ﹤0.01% |
63,465
-41,141
| -39% | -$338K |
|
552
Valley National Bancorp
VLY
$5.99B
| $516K | ﹤0.01% |
+58,130
| New | +$516K |
|
553
monday.com
MNDY
$9.66B
| $515K | ﹤0.01% |
+2,122
| New | +$515K |
|
554
Newell Brands
NWL
$2.54B
| $513K | ﹤0.01% |
82,809
-114,745
| -58% | -$711K |
|
555
UiPath
PATH
$6.21B
| $513K | ﹤0.01% |
49,821
-393,130
| -89% | -$4.05M |
|
556
SPDR S&P Metals & Mining ETF
XME
$2.37B
| $510K | ﹤0.01% |
+9,109
| New | +$510K |
|
557
Tenet Healthcare
THC
$16.9B
| $506K | ﹤0.01% |
+3,764
| New | +$506K |
|
558
Mohawk Industries
MHK
$8.41B
| $505K | ﹤0.01% |
+4,427
| New | +$505K |
|
559
uniQure
QURE
$959M
| $503K | ﹤0.01% |
47,524
-30,115
| -39% | -$319K |
|
560
CommScope
COMM
$3.59B
| $502K | ﹤0.01% |
+94,693
| New | +$502K |
|
561
IQVIA
IQV
$31.3B
| $501K | ﹤0.01% |
+2,847
| New | +$501K |
|
562
Clover Health Investments
CLOV
$1.55B
| $499K | ﹤0.01% |
139,001
-163,668
| -54% | -$588K |
|
563
Mama's Creations
MAMA
$363M
| $499K | ﹤0.01% |
76,700
+66,708
| +668% | +$434K |
|
564
Companhia Siderúrgica Nacional
SID
$1.99B
| $498K | ﹤0.01% |
298,671
+235,862
| +376% | +$393K |
|
565
Invesco CurrencyShares Japanese Yen Trust
FXY
$562M
| $497K | ﹤0.01% |
8,089
+762
| +10% | +$46.8K |
|
566
Symbotic
SYM
$5.44B
| $497K | ﹤0.01% |
+24,628
| New | +$497K |
|
567
Liberty Global Class A
LBTYA
$3.93B
| $494K | ﹤0.01% |
42,922
-80,217
| -65% | -$923K |
|
568
BigBear.ai
BBAI
$1.75B
| $492K | ﹤0.01% |
+172,253
| New | +$492K |
|
569
HealthEquity
HQY
$7.88B
| $487K | ﹤0.01% |
5,517
+1,244
| +29% | +$110K |
|
570
HighPeak Energy
HPK
$926M
| $484K | ﹤0.01% |
38,280
+6,916
| +22% | +$87.4K |
|
571
Delek US
DK
$1.79B
| $483K | ﹤0.01% |
32,076
+7,147
| +29% | +$108K |
|
572
Packaging Corp of America
PKG
$19.2B
| $469K | ﹤0.01% |
+2,369
| New | +$469K |
|
573
Jazz Pharmaceuticals
JAZZ
$7.7B
| $468K | ﹤0.01% |
3,771
+3,524
| +1,427% | +$437K |
|
574
Sibanye-Stillwater
SBSW
$6.11B
| $467K | ﹤0.01% |
102,022
-40,559
| -28% | -$186K |
|
575
Vodafone
VOD
$28.1B
| $464K | ﹤0.01% |
49,605
-253,189
| -84% | -$2.37M |
|