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
|
+$114M |
| 2 |
Citigroup
C
|
+$77M |
| 3 |
Broadcom
AVGO
|
+$53M |
| 4 |
Pinduoduo
PDD
|
+$49.7M |
| 5 |
Intel
INTC
|
+$44.5M |
Top Sells
| 1 |
Energy Select Sector SPDR Fund
XLE
|
+$92.5M |
| 2 |
Pfizer
PFE
|
+$67.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Direxion Daily Semiconductor Bull 3X Shares
SOXL
|
+$44.9M |
| 5 |
PayPal
PYPL
|
+$44.4M |
Sector Composition
| 1 | Technology | 27.91% |
| 2 | Consumer Discretionary | 14.92% |
| 3 | Healthcare | 10.74% |
| 4 | Financials | 10.11% |
| 5 | Materials | 6.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
INN
1351
Summit Hotel Properties
INN
$623M
| $52K | ﹤0.01% |
+8,810
| New | +$52K |
|
1352
CVR Energy
CVI
$3.13B
| $51K | ﹤0.01% |
+1,933
| New | +$51K |
|
1353
Dynagas LNG Partners
DLNG
$141M
| $51K | ﹤0.01% |
12,777
+11,789
| +1,193% | +$47.1K |
|
1354
INmune Bio
INMB
$53.4M
| $51K | ﹤0.01% |
+5,786
| New | +$51K |
|
1355
Mitsubishi UFJ Financial
MUFG
$177B
| $51K | ﹤0.01% |
4,757
-15,105
| -76% | -$162K |
|
1356
Neumora Therapeutics
NMRA
$262M
| $51K | ﹤0.01% |
5,221
+2,372
| +83% | +$23.2K |
|
|
ADAM
1357
Adamas Trust, Inc. Common Stock
ADAM
$644M
| $51K | ﹤0.01% |
8,851
+1,054
| +14% | +$6.07K |
|
|
PLG
1358
Platinum Group Metals
PLG
$205M
| $51K | ﹤0.01% |
30,010
+28,874
| +2,542% | +$49.1K |
|
|
SWI
1359
DELISTED
SolarWinds Corporation Common Stock
SWI
| $51K | ﹤0.01% |
+4,291
| New | +$51K |
|
1360
Black Hills Corp
BKH
$4.33B
| $50K | ﹤0.01% |
+935
| New | +$50K |
|
1361
Gevo
GEVO
$404M
| $50K | ﹤0.01% |
90,241
+59,632
| +195% | +$33K |
|
1362
Oshkosh
OSK
$8.77B
| $50K | ﹤0.01% |
+470
| New | +$50K |
|
1363
Alpha Pro Tech
APT
$51.2M
| $49K | ﹤0.01% |
9,034
-13,615
| -60% | -$73.8K |
|
1364
Ares Management
ARES
$40.1B
| $49K | ﹤0.01% |
370
-5,595
| -94% | -$741K |
|
1365
Breakwave Dry Bulk Shipping ETF
BDRY
$57.1M
| $49K | ﹤0.01% |
4,011
+2,847
| +245% | +$34.8K |
|
1366
Evolution Petroleum
EPM
$179M
| $49K | ﹤0.01% |
9,347
+7,684
| +462% | +$40.3K |
|
1367
Edgewise Therapeutics
EWTX
$1.5B
| $49K | ﹤0.01% |
2,734
-291
| -10% | -$5.22K |
|
1368
Eagle Materials
EXP
$7.57B
| $49K | ﹤0.01% |
226
-1,553
| -87% | -$337K |
|
1369
Invesco CurrencyShares Australian Dollar Trust
FXA
$79M
| $49K | ﹤0.01% |
745
-8,217
| -92% | -$540K |
|
1370
Hanmi Financial
HAFC
$748M
| $49K | ﹤0.01% |
2,972
+172
| +6% | +$2.84K |
|
1371
The Joint Corp
JYNT
$154M
| $49K | ﹤0.01% |
+3,515
| New | +$49K |
|
1372
MGP Ingredients
MGPI
$596M
| $49K | ﹤0.01% |
670
+510
| +319% | +$37.3K |
|
1373
Monroe Capital Corp
MRCC
$165M
| $49K | ﹤0.01% |
6,459
+1,712
| +36% | +$13K |
|
1374
Nabors Industries
NBR
$617M
| $49K | ﹤0.01% |
698
-4,287
| -86% | -$301K |
|
1375
PMV Pharmaceuticals
PMVP
$65.2M
| $49K | ﹤0.01% |
30,716
+20,476
| +200% | +$32.7K |
|