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 | |
|---|---|---|---|---|---|---|
1276
Cadiz
CDZI
$322M
| $61K | ﹤0.01% |
6,189
+6,059
| +4,661% | +$59.7K |
|
1277
Amplify Online Retail ETF
IBUY
$159M
| $61K | ﹤0.01% |
701
-172
| -20% | -$15K |
|
1278
Orion
OEC
$521M
| $61K | ﹤0.01% |
4,902
+4,744
| +3,003% | +$59K |
|
1279
TrueCar
TRUE
$215M
| $61K | ﹤0.01% |
+12,294
| New | +$61K |
|
|
NEX
1280
DELISTED
NexTier Oilfield Solutions Inc.
NEX
| $61K | ﹤0.01% |
33,384
+22,968
| +221% | +$42K |
|
1281
Global X Robotics & Artificial Intelligence ETF
BOTZ
$2.88B
| $60K | ﹤0.01% |
2,161
-4,064
| -65% | -$113K |
|
1282
Gartner
IT
$18.7B
| $60K | ﹤0.01% |
+488
| New | +$60K |
|
1283
Performance Food Group
PFGC
$16.6B
| $60K | ﹤0.01% |
+1,759
| New | +$60K |
|
1284
SPDR S&P China ETF
GXC
$502M
| $59K | ﹤0.01% |
+500
| New | +$59K |
|
|
BRSL
1285
Brightstar Lottery PLC
BRSL
$3.12B
| $59K | ﹤0.01% |
+5,349
| New | +$59K |
|
1286
Marine Products Corp
MPX
$316M
| $59K | ﹤0.01% |
+3,823
| New | +$59K |
|
1287
Silicon Motion
SIMO
$3.02B
| $59K | ﹤0.01% |
1,588
-597
| -27% | -$22.2K |
|
1288
iShares MSCI USA Min Vol Factor ETF
USMV
$23.5B
| $59K | ﹤0.01% |
+934
| New | +$59K |
|
|
EGRX
1289
DELISTED
Eagle Pharmaceuticals, Inc.
EGRX
| $59K | ﹤0.01% |
1,410
-2,319
| -62% | -$97K |
|
1290
Agilysys
AGYS
$2.97B
| $58K | ﹤0.01% |
+2,426
| New | +$58K |
|
1291
Belden
BDC
$5.21B
| $58K | ﹤0.01% |
1,872
+1,598
| +583% | +$49.5K |
|
1292
Cannae Holdings
CNNE
$1.11B
| $58K | ﹤0.01% |
+1,558
| New | +$58K |
|
|
ISEE
1293
DELISTED
IVERIC bio, Inc. Common Stock
ISEE
| $58K | ﹤0.01% |
10,303
-20,186
| -66% | -$114K |
|
|
SAFM
1294
DELISTED
Sanderson Farms Inc
SAFM
| $58K | ﹤0.01% |
494
-457
| -48% | -$53.7K |
|
|
FLXN
1295
DELISTED
Flexion Therapeutics, Inc.
FLXN
| $58K | ﹤0.01% |
+5,665
| New | +$58K |
|
1296
Mustang Bio
MBIO
$11.4M
| $57K | ﹤0.01% |
+24
| New | +$57K |
|
1297
OneSpan
OSPN
$588M
| $57K | ﹤0.01% |
2,745
-5,993
| -69% | -$124K |
|
|
RLH
1298
DELISTED
Red Lions Hotel Corporation
RLH
| $57K | ﹤0.01% |
+26,615
| New | +$57K |
|
|
NAVB
1299
DELISTED
Navidea Biopharmaceuticals Inc.
NAVB
| $57K | ﹤0.01% |
21,212
+2,476
| +13% | +$6.65K |
|
1300
Adtran
ADTN
$809M
| $56K | ﹤0.01% |
5,511
-19,096
| -78% | -$194K |
|