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 |
Apple
AAPL
|
+$45.7M |
| 2 |
Walmart
WMT
|
+$45.2M |
| 3 |
VanEck Oil Services ETF
OIH
|
+$34.2M |
| 4 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$33.2M |
| 5 |
Citigroup
C
|
+$32.7M |
Top Sells
| 1 |
Amazon
AMZN
|
+$164M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$111M |
| 3 |
NVIDIA
NVDA
|
+$77.7M |
| 4 |
Meta Platforms (Facebook)
META
|
+$60.9M |
| 5 |
Procter & Gamble
PG
|
+$38.8M |
Sector Composition
| 1 | Technology | 21.73% |
| 2 | Consumer Discretionary | 10.23% |
| 3 | Healthcare | 8.76% |
| 4 | Industrials | 7.59% |
| 5 | Communication Services | 6.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
VCSA
1226
DELISTED
Vacasa, Inc. Class A Common Stock
VCSA
| $51K | ﹤0.01% |
2,674
+796
| +42% | +$15.2K |
|
|
GLOP
1227
DELISTED
GASLOG PARTNERS LP
GLOP
| $51K | ﹤0.01% |
6,060
-140,592
| -96% | -$1.18M |
|
1228
Arqit Quantum
ARQQ
$513M
| $50K | ﹤0.01% |
1,454
+1,011
| +228% | +$34.8K |
|
1229
Buckle
BKE
$3.04B
| $50K | ﹤0.01% |
+1,408
| New | +$50K |
|
1230
GrafTech
EAF
$261M
| $50K | ﹤0.01% |
1,032
+845
| +452% | +$40.9K |
|
1231
LSI Industries
LYTS
$674M
| $50K | ﹤0.01% |
3,606
+729
| +25% | +$10.1K |
|
1232
Maximus
MMS
$5.05B
| $50K | ﹤0.01% |
+636
| New | +$50K |
|
|
NOVA
1233
DELISTED
Sunnova Energy
NOVA
| $50K | ﹤0.01% |
+3,260
| New | +$50K |
|
1234
Invesco Energy Exploration & Production ETF
PXE
$71.4M
| $50K | ﹤0.01% |
1,884
+1,394
| +284% | +$37K |
|
1235
Vimeo
VMEO
$1.28B
| $50K | ﹤0.01% |
+13,228
| New | +$50K |
|
|
CANO
1236
DELISTED
Cano Health, Inc.
CANO
| $50K | ﹤0.01% |
553
-1,104
| -67% | -$99.8K |
|
|
OIL
1237
DELISTED
iPath Pure Beta Crude Oil ETN
OIL
| $50K | ﹤0.01% |
1,741
-126
| -7% | -$3.62K |
|
1238
Clene
CLNN
$57.9M
| $49K | ﹤0.01% |
2,199
-2,416
| -52% | -$53.8K |
|
1239
Carnival PLC
CUK
$37.7B
| $49K | ﹤0.01% |
5,458
+588
| +12% | +$5.28K |
|
1240
Purple Innovation
PRPL
$114M
| $49K | ﹤0.01% |
18,667
+14,651
| +365% | +$38.5K |
|
1241
Smart Sand
SND
$75.1M
| $49K | ﹤0.01% |
28,348
-25,002
| -47% | -$43.2K |
|
1242
Upwork
UPWK
$2.24B
| $49K | ﹤0.01% |
4,329
-7,529
| -63% | -$85.2K |
|
|
CVT
1243
DELISTED
Cvent Holding Corp. Common Stock
CVT
| $49K | ﹤0.01% |
5,945
+595
| +11% | +$4.9K |
|
1244
AST SpaceMobile
ASTS
$10.4B
| $48K | ﹤0.01% |
+9,484
| New | +$48K |
|
1245
Bank of New York Mellon
BK
$75.1B
| $48K | ﹤0.01% |
1,066
-105,202
| -99% | -$4.74M |
|
1246
Enovis
ENOV
$1.81B
| $48K | ﹤0.01% |
+899
| New | +$48K |
|
1247
Interparfums
IPAR
$3.43B
| $48K | ﹤0.01% |
+339
| New | +$48K |
|
|
KREF
1248
KKR Real Estate Finance Trust
KREF
$630M
| $48K | ﹤0.01% |
4,297
+1,925
| +81% | +$21.5K |
|
1249
Cartesian Therapeutics
RNAC
$252M
| $48K | ﹤0.01% |
+1,172
| New | +$48K |
|
1250
Sangamo Therapeutics
SGMO
$152M
| $48K | ﹤0.01% |
27,302
+16,731
| +158% | +$29.4K |
|