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 | |
|---|---|---|---|---|---|---|
|
AMJ
1201
DELISTED
JP Morgan Alerian MLP Index ETN 5/24/24
AMJ
| $65K | ﹤0.01% |
+2,854
| New | +$65K |
|
1202
Invesco DB Agriculture Fund
DBA
$814M
| $64K | ﹤0.01% |
3,054
-21,677
| -88% | -$454K |
|
1203
Marcus Corp
MCS
$504M
| $64K | ﹤0.01% |
+4,354
| New | +$64K |
|
1204
Unity
U
$18.4B
| $64K | ﹤0.01% |
1,494
-114,828
| -99% | -$4.92M |
|
1205
Zevra Therapeutics
ZVRA
$435M
| $64K | ﹤0.01% |
+12,694
| New | +$64K |
|
|
PETQ
1206
DELISTED
PetIQ, Inc. Class A Common Stock
PETQ
| $64K | ﹤0.01% |
+4,269
| New | +$64K |
|
|
TCN
1207
DELISTED
Tricon Residential Inc.
TCN
| $64K | ﹤0.01% |
7,325
-71,846
| -91% | -$628K |
|
1208
Aaon
AAON
$6.7B
| $63K | ﹤0.01% |
1,001
-2,718
| -73% | -$171K |
|
1209
Barnes & Noble Education
BNED
$277M
| $63K | ﹤0.01% |
505
+324
| +179% | +$40.4K |
|
1210
Precigen
PGEN
$1.13B
| $63K | ﹤0.01% |
54,898
-28,622
| -34% | -$32.8K |
|
1211
Summit Therapeutics
SMMT
$14.1B
| $63K | ﹤0.01% |
25,114
+12,678
| +102% | +$31.8K |
|
1212
Direxion Daily CSI 300 China A Share Bull 2X Shares
CHAU
$164M
| $62K | ﹤0.01% |
3,538
+1,150
| +48% | +$20.2K |
|
1213
Stepan Co
SCL
$1.09B
| $62K | ﹤0.01% |
659
+606
| +1,143% | +$57K |
|
1214
AMC Entertainment Holdings
AMC
$1.44B
| $61K | ﹤0.01% |
1,390
+1,120
| +415% | +$49.2K |
|
1215
American Water Works
AWK
$27.2B
| $61K | ﹤0.01% |
428
-3,864
| -90% | -$551K |
|
1216
Cars.com
CARS
$829M
| $61K | ﹤0.01% |
3,091
-4,658
| -60% | -$91.9K |
|
1217
Citi Trends
CTRN
$281M
| $61K | ﹤0.01% |
3,503
-6,895
| -66% | -$120K |
|
1218
Itron
ITRI
$5.47B
| $61K | ﹤0.01% |
+859
| New | +$61K |
|
1219
MongoDB
MDB
$26.9B
| $61K | ﹤0.01% |
150
-48,168
| -100% | -$19.6M |
|
1220
Everspin Technologies
MRAM
$154M
| $61K | ﹤0.01% |
+6,667
| New | +$61K |
|
1221
Teledyne Technologies
TDY
$26.1B
| $61K | ﹤0.01% |
149
-776
| -84% | -$318K |
|
1222
Udemy
UDMY
$1.08B
| $61K | ﹤0.01% |
+5,709
| New | +$61K |
|
1223
Calavo Growers
CVGW
$489M
| $60K | ﹤0.01% |
2,091
-10,022
| -83% | -$288K |
|
1224
First American
FAF
$6.87B
| $60K | ﹤0.01% |
1,053
-154
| -13% | -$8.78K |
|
1225
Funko
FNKO
$182M
| $60K | ﹤0.01% |
5,635
-8,785
| -61% | -$93.5K |
|