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 |
NVIDIA
NVDA
|
+$60M |
| 2 |
Microsoft
MSFT
|
+$58.6M |
| 3 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$52.5M |
| 4 |
PayPal
PYPL
|
+$40.9M |
| 5 |
Netflix
NFLX
|
+$29.7M |
Top Sells
| 1 |
Apple
AAPL
|
+$48.7M |
| 2 |
Walmart
WMT
|
+$45.2M |
| 3 |
Adobe
ADBE
|
+$40.6M |
| 4 |
VanEck Oil Services ETF
OIH
|
+$34.2M |
| 5 |
Enphase Energy
ENPH
|
+$27.2M |
Sector Composition
| 1 | Technology | 21.17% |
| 2 | Healthcare | 10.87% |
| 3 | Consumer Discretionary | 10.73% |
| 4 | Communication Services | 10.55% |
| 5 | Financials | 7.54% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1451
Methanex
MEOH
$3.04B
| $26K | ﹤0.01% |
+632
| New | +$26K |
|
|
UROY
1452
Uranium Royalty Corp
UROY
$420M
| $26K | ﹤0.01% |
+13,040
| New | +$26K |
|
|
ICD
1453
DELISTED
Independence Contract Drilling, Inc.
ICD
| $26K | ﹤0.01% |
9,640
-120
| -1% | -$324 |
|
|
JOAN
1454
DELISTED
JOANN, Inc. Common Stock
JOAN
| $26K | ﹤0.01% |
30,425
-42,542
| -58% | -$36.4K |
|
1455
Agilysys
AGYS
$2.97B
| $25K | ﹤0.01% |
+374
| New | +$25K |
|
1456
Arrowhead Research
ARWR
$4.11B
| $25K | ﹤0.01% |
703
-1,083
| -61% | -$38.5K |
|
|
BRSP
1457
BrightSpire Capital
BRSP
$764M
| $25K | ﹤0.01% |
3,837
-219
| -5% | -$1.43K |
|
|
DOYU
1458
DouYu International Holdings
DOYU
$231M
| $25K | ﹤0.01% |
2,455
-4,476
| -65% | -$45.6K |
|
1459
First Interstate BancSystem
FIBK
$3.43B
| $25K | ﹤0.01% |
1,062
+593
| +126% | +$14K |
|
1460
INmune Bio
INMB
$53.4M
| $25K | ﹤0.01% |
2,790
+650
| +30% | +$5.82K |
|
1461
Envista
NVST
$3.49B
| $25K | ﹤0.01% |
+760
| New | +$25K |
|
1462
News Corp Class B
NWS
$18.2B
| $25K | ﹤0.01% |
+1,309
| New | +$25K |
|
1463
Splash Beverage Group
SBEV
$3.69M
| $25K | ﹤0.01% |
580
+219
| +61% | +$9.44K |
|
1464
Vanguard FTSE Pacific ETF
VPL
$7.98B
| $25K | ﹤0.01% |
360
-22
| -6% | -$1.53K |
|
1465
Direxion Daily Consumer Discretionary Bull 3X Shares
WANT
$26.4M
| $25K | ﹤0.01% |
791
+722
| +1,046% | +$22.8K |
|
1466
Weave Communications
WEAV
$591M
| $25K | ﹤0.01% |
2,307
-5,665
| -71% | -$61.4K |
|
1467
Aclaris Therapeutics
ACRS
$211M
| $24K | ﹤0.01% |
2,343
-123,284
| -98% | -$1.26M |
|
1468
China Automotive Systems, Inc. Ordinary Share
CAAS
$138M
| $24K | ﹤0.01% |
5,008
-2,201
| -31% | -$10.5K |
|
1469
Celanese
CE
$4.99B
| $24K | ﹤0.01% |
208
-2,109
| -91% | -$243K |
|
1470
Cerus
CERS
$236M
| $24K | ﹤0.01% |
10,122
+3,638
| +56% | +$8.63K |
|
1471
Global X SuperDividend US ETF
DIV
$648M
| $24K | ﹤0.01% |
+1,440
| New | +$24K |
|
1472
Federated Hermes
FHI
$4.16B
| $24K | ﹤0.01% |
691
-30,841
| -98% | -$1.07M |
|
1473
Open Lending Corp
LPRO
$252M
| $24K | ﹤0.01% |
2,306
-15,197
| -87% | -$158K |
|
1474
MRC Global
MRC
$1.23B
| $24K | ﹤0.01% |
2,470
-984
| -28% | -$9.56K |
|
1475
ProShares K-1 Free Crude Oil Strategy ETF
OILK
$69.7M
| $24K | ﹤0.01% |
598
-933
| -61% | -$37.4K |
|