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 |
Alibaba
BABA
|
+$117M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$97.6M |
| 3 |
Walt Disney
DIS
|
+$73.4M |
| 4 |
Citigroup
C
|
+$45.8M |
| 5 |
KraneShares CSI China Internet ETF
KWEB
|
+$41.5M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$149M |
| 2 |
Amazon
AMZN
|
+$107M |
| 3 |
SPDR Gold Trust
GLD
|
+$58.6M |
| 4 |
Coinbase
COIN
|
+$56.5M |
| 5 |
NVIDIA
NVDA
|
+$48.2M |
Sector Composition
| 1 | Technology | 16.06% |
| 2 | Consumer Discretionary | 14.45% |
| 3 | Communication Services | 10.03% |
| 4 | Financials | 9.44% |
| 5 | Healthcare | 9.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1626
APi Group
APG
$14.8B
| $22K | ﹤0.01% |
990
-1,431
| -59% | -$31.8K |
|
|
BTCM
1627
BIT Mining
BTCM
$51.2M
| $22K | ﹤0.01% |
+4,388
| New | +$22K |
|
1628
Compugen
CGEN
$126M
| $22K | ﹤0.01% |
+11,417
| New | +$22K |
|
1629
First Trust SkyBridge Crypto Industry and Digital Economy ETF
CRPT
$157M
| $22K | ﹤0.01% |
2,289
+1,246
| +119% | +$12K |
|
1630
Entravision Communication
EVC
$227M
| $22K | ﹤0.01% |
+5,350
| New | +$22K |
|
1631
Global X Hydrogen ETF
HYDR
$51.5M
| $22K | ﹤0.01% |
651
-558
| -46% | -$18.9K |
|
1632
OraSure Technologies
OSUR
$243M
| $22K | ﹤0.01% |
+2,750
| New | +$22K |
|
1633
Sypris Solutions
SYPR
$53.4M
| $22K | ﹤0.01% |
11,278
+6,606
| +141% | +$12.9K |
|
|
PSTX
1634
DELISTED
Poseida Therapeutics, Inc. Common Stock
PSTX
| $22K | ﹤0.01% |
+6,588
| New | +$22K |
|
|
AKTS
1635
DELISTED
AKOUSTIS TECHNOLOGIES, INC.
AKTS
| $22K | ﹤0.01% |
26,547
-14,110
| -35% | -$11.7K |
|
|
DMTK
1636
DELISTED
DermTech, Inc. Common Stock
DMTK
| $22K | ﹤0.01% |
13,073
-7,657
| -37% | -$12.9K |
|
|
ACB
1637
Aurora Cannabis
ACB
$291M
| $21K | ﹤0.01% |
+4,428
| New | +$21K |
|
1638
Atmos Energy
ATO
$26.1B
| $21K | ﹤0.01% |
+182
| New | +$21K |
|
|
EVRI
1639
DELISTED
Everi Holdings
EVRI
| $21K | ﹤0.01% |
+1,873
| New | +$21K |
|
1640
FibroGen
FGEN
$45.6M
| $21K | ﹤0.01% |
983
+690
| +235% | +$14.7K |
|
1641
Generation Bio
GBIO
$39.8M
| $21K | ﹤0.01% |
1,282
+1,236
| +2,687% | +$20.2K |
|
1642
Grifois
GRFS
$6.66B
| $21K | ﹤0.01% |
1,847
-28,653
| -94% | -$326K |
|
1643
Werewolf Therapeutics
HOWL
$68.6M
| $21K | ﹤0.01% |
5,698
-257
| -4% | -$947 |
|
|
NB
1644
NioCorp Developments
NB
$438M
| $21K | ﹤0.01% |
6,830
+5,776
| +548% | +$17.8K |
|
1645
Neonode
NEON
$70.5M
| $21K | ﹤0.01% |
9,178
+1,078
| +13% | +$2.47K |
|
|
OLO
1646
DELISTED
Olo Inc
OLO
| $21K | ﹤0.01% |
3,766
-5,145
| -58% | -$28.7K |
|
1647
OPAL Fuels
OPAL
$62.9M
| $21K | ﹤0.01% |
3,915
+2,212
| +130% | +$11.9K |
|
1648
Transmedics
TMDX
$4.12B
| $21K | ﹤0.01% |
267
-3,785
| -93% | -$298K |
|
1649
Tenaya Therapeutics
TNYA
$209M
| $21K | ﹤0.01% |
6,743
+6,279
| +1,353% | +$19.6K |
|
|
TWOU
1650
DELISTED
2U, Inc.
TWOU
| $21K | ﹤0.01% |
+596
| New | +$21K |
|