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 | |
|---|---|---|---|---|---|---|
1276
OptimizeRx
OPRX
$322M
| $54K | ﹤0.01% |
6,351
-11,482
| -64% | -$97.6K |
|
1277
Peoples Bancorp
PEBO
$1.08B
| $54K | ﹤0.01% |
+1,840
| New | +$54K |
|
1278
RCI Hospitality Holdings
RICK
$304M
| $54K | ﹤0.01% |
1,259
-4,942
| -80% | -$212K |
|
1279
Cognyte Software
CGNT
$622M
| $53K | ﹤0.01% |
6,894
+3,790
| +122% | +$29.1K |
|
1280
SGHC Ltd
SGHC
$6.39B
| $53K | ﹤0.01% |
8,278
+3,294
| +66% | +$21.1K |
|
1281
Valkyrie ETF Trust II CoinShares Bitcoin Mining ETF
WGMI
$209M
| $53K | ﹤0.01% |
+4,159
| New | +$53K |
|
|
OS
1282
OneStream, Inc. Class A Common Stock
OS
$3.54B
| $53K | ﹤0.01% |
+2,493
| New | +$53K |
|
1283
Semrush
SEMR
$1.1B
| $52K | ﹤0.01% |
5,672
+5,662
| +56,620% | +$51.9K |
|
1284
Veru
VERU
$50.5M
| $52K | ﹤0.01% |
10,760
+5,721
| +114% | +$27.6K |
|
|
CON
1285
Concentra Group Holdings Parent, Inc.
CON
$2.84B
| $52K | ﹤0.01% |
2,430
-1,700
| -41% | -$36.4K |
|
1286
Asbury Automotive
ABG
$4.8B
| $52K | ﹤0.01% |
+237
| New | +$52K |
|
1287
AdvanSix
ASIX
$576M
| $52K | ﹤0.01% |
+2,316
| New | +$52K |
|
|
SRTA
1288
Strata Critical Medical, Inc. Class A Common Stock
SRTA
$351M
| $52K | ﹤0.01% |
19,113
-21,452
| -53% | -$58.4K |
|
1289
Acushnet Holdings
GOLF
$4.38B
| $52K | ﹤0.01% |
+765
| New | +$52K |
|
1290
Monro
MNRO
$519M
| $52K | ﹤0.01% |
3,614
+3,117
| +627% | +$44.8K |
|
1291
Magnachip Semiconductor
MX
$112M
| $52K | ﹤0.01% |
+15,371
| New | +$52K |
|
1292
NeoGenomics
NEO
$1.03B
| $52K | ﹤0.01% |
+5,552
| New | +$52K |
|
1293
Inotiv
NOTV
$48.4M
| $52K | ﹤0.01% |
23,766
+11,520
| +94% | +$25.2K |
|
1294
Penske Automotive Group
PAG
$11.9B
| $52K | ﹤0.01% |
367
-32
| -8% | -$4.53K |
|
1295
Real Brokerage
REAX
$1.04B
| $51K | ﹤0.01% |
12,765
-9,589
| -43% | -$38.3K |
|
1296
Energizer
ENR
$2.02B
| $51K | ﹤0.01% |
+1,736
| New | +$51K |
|
1297
EverQuote
EVER
$896M
| $51K | ﹤0.01% |
+1,965
| New | +$51K |
|
1298
KB Financial Group
KB
$31.1B
| $51K | ﹤0.01% |
+951
| New | +$51K |
|
1299
NewAmsterdam Pharma
NAMS
$2.72B
| $51K | ﹤0.01% |
2,528
+1,454
| +135% | +$29.3K |
|
1300
Quantum-Si Incorporated
QSI
$239M
| $51K | ﹤0.01% |
42,909
-263,860
| -86% | -$314K |
|