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 | |
|---|---|---|---|---|---|---|
1351
Phibro Animal Health
PAHC
$1.61B
| $47K | ﹤0.01% |
+2,752
| New | +$47K |
|
1352
Rocket Companies
RKT
$44.4B
| $47K | ﹤0.01% |
+2,400
| New | +$47K |
|
1353
Amneal Pharmaceuticals
AMRX
$3.14B
| $46K | ﹤0.01% |
12,030
+9,603
| +396% | +$36.7K |
|
1354
Archrock
AROC
$4.29B
| $46K | ﹤0.01% |
8,724
+2,319
| +36% | +$12.2K |
|
1355
Invesco Dorsey Wright SmallCap Momentum ETF
DWAS
$694M
| $46K | ﹤0.01% |
+786
| New | +$46K |
|
1356
Genpact
G
$7.41B
| $46K | ﹤0.01% |
+1,187
| New | +$46K |
|
1357
Green Dot
GDOT
$751M
| $46K | ﹤0.01% |
925
-11,629
| -93% | -$578K |
|
1358
CarMax
KMX
$8.97B
| $46K | ﹤0.01% |
+502
| New | +$46K |
|
1359
RBC Bearings
RBC
$11.8B
| $46K | ﹤0.01% |
+384
| New | +$46K |
|
|
LCI
1360
DELISTED
Lannett Company, Inc.
LCI
| $46K | ﹤0.01% |
1,891
-5,081
| -73% | -$124K |
|
|
ENBL
1361
DELISTED
ENABLE MIDSTREAM PARTNERS, LP
ENBL
| $46K | ﹤0.01% |
11,126
-14,282
| -56% | -$59K |
|
|
XLRN
1362
DELISTED
Acceleron Pharma Inc.
XLRN
| $46K | ﹤0.01% |
412
-7,519
| -95% | -$840K |
|
1363
CACI
CACI
$10.9B
| $45K | ﹤0.01% |
212
-341
| -62% | -$72.4K |
|
1364
Enova International
ENVA
$2.88B
| $45K | ﹤0.01% |
2,799
-11,139
| -80% | -$179K |
|
1365
Genworth Financial
GNW
$3.61B
| $45K | ﹤0.01% |
13,667
+12,267
| +876% | +$40.4K |
|
1366
Grocery Outlet
GO
$1.74B
| $45K | ﹤0.01% |
1,158
-5,929
| -84% | -$230K |
|
1367
Mitsubishi UFJ Financial
MUFG
$177B
| $45K | ﹤0.01% |
11,234
+5,822
| +108% | +$23.3K |
|
1368
Universal Technical Institute
UTI
$1.48B
| $45K | ﹤0.01% |
9,005
-2,577
| -22% | -$12.9K |
|
|
AUD
1369
DELISTED
Audacy, Inc.
AUD
| $45K | ﹤0.01% |
28,333
-1,772
| -6% | -$2.81K |
|
|
ADSW
1370
DELISTED
Advanced Disposal Services, Inc.
ADSW
| $45K | ﹤0.01% |
1,520
-541
| -26% | -$16K |
|
1371
Golden Entertainment
GDEN
$638M
| $44K | ﹤0.01% |
3,242
-3,113
| -49% | -$42.2K |
|
1372
Geron
GERN
$810M
| $44K | ﹤0.01% |
25,576
+25,176
| +6,294% | +$43.3K |
|
|
OPI
1373
Office Properties Income Trust
OPI
$40.8M
| $44K | ﹤0.01% |
2,128
-6,345
| -75% | -$131K |
|
1374
Rush Enterprises Class A
RUSHA
$4.33B
| $44K | ﹤0.01% |
+1,991
| New | +$44K |
|
1375
Team
TISI
$81.8M
| $44K | ﹤0.01% |
815
+511
| +168% | +$27.6K |
|