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 | |
|---|---|---|---|---|---|---|
1251
GoPro
GPRO
$327M
| $70K | ﹤0.01% |
49,757
-18,689
| -27% | -$26.3K |
|
1252
Radiant Logistics
RLGT
$307M
| $70K | ﹤0.01% |
12,311
+6,623
| +116% | +$37.7K |
|
1253
Sinclair Inc
SBGI
$972M
| $70K | ﹤0.01% |
5,320
+5,115
| +2,495% | +$67.3K |
|
1254
SandRidge Energy
SD
$420M
| $70K | ﹤0.01% |
5,455
-5,246
| -49% | -$67.3K |
|
1255
Veru
VERU
$50.5M
| $70K | ﹤0.01% |
8,437
+8,022
| +1,933% | +$66.6K |
|
1256
CBAK Energy Technology
CBAT
$78.1M
| $69K | ﹤0.01% |
50,954
+48,021
| +1,637% | +$65K |
|
1257
iShares Russell Top 200 Growth ETF
IWY
$15.3B
| $69K | ﹤0.01% |
+325
| New | +$69K |
|
|
OTLY
1258
Oatly Group
OTLY
$544M
| $69K | ﹤0.01% |
3,673
-1,262
| -26% | -$23.7K |
|
1259
Schrodinger
SDGR
$1.37B
| $69K | ﹤0.01% |
3,588
-16,334
| -82% | -$314K |
|
1260
FibroGen
FGEN
$48.6M
| $68K | ﹤0.01% |
3,090
-4,217
| -58% | -$92.8K |
|
|
NAPA
1261
DELISTED
The Duckhorn Portfolio, Inc.
NAPA
| $68K | ﹤0.01% |
9,612
+7,115
| +285% | +$50.3K |
|
1262
Owens & Minor
OMI
$412M
| $67K | ﹤0.01% |
+4,991
| New | +$67K |
|
|
PLL
1263
DELISTED
Piedmont Lithium
PLL
| $67K | ﹤0.01% |
6,792
+6,236
| +1,122% | +$61.5K |
|
1264
Rigetti Computing
RGTI
$6.19B
| $67K | ﹤0.01% |
63,200
-32,676
| -34% | -$34.6K |
|
|
JBTM
1265
JBT Marel Corporation
JBTM
$7.14B
| $67K | ﹤0.01% |
+706
| New | +$67K |
|
1266
Amcor
AMCR
$19.1B
| $66K | ﹤0.01% |
6,839
-819
| -11% | -$7.9K |
|
1267
Mr. Cooper
COOP
$14.1B
| $66K | ﹤0.01% |
+813
| New | +$66K |
|
1268
MBIA
MBI
$393M
| $66K | ﹤0.01% |
12,131
-31,625
| -72% | -$172K |
|
|
OBE
1269
Obsidian Energy
OBE
$403M
| $66K | ﹤0.01% |
+8,857
| New | +$66K |
|
1270
RELX
RELX
$84.9B
| $66K | ﹤0.01% |
1,451
+1,237
| +578% | +$56.3K |
|
|
SBT
1271
DELISTED
Sterling Bancorp, Inc. Common Stock
SBT
| $66K | ﹤0.01% |
+12,776
| New | +$66K |
|
1272
Oportun Financial
OPRT
$293M
| $65K | ﹤0.01% |
+22,584
| New | +$65K |
|
|
VXRT
1273
DELISTED
Vaxart
VXRT
| $65K | ﹤0.01% |
98,276
+52,358
| +114% | +$34.6K |
|
1274
T-Rex 2X Long Apple Daily Target ETF
AAPX
$15M
| $64K | ﹤0.01% |
+2,181
| New | +$64K |
|
1275
Cirrus Logic
CRUS
$6B
| $64K | ﹤0.01% |
504
-4,652
| -90% | -$591K |
|