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
|
+$144M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$68.7M |
| 3 |
AT&T
T
|
+$45.5M |
| 4 |
Meta Platforms (Facebook)
META
|
+$38M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$35.4M |
Top Sells
| 1 |
Microsoft
MSFT
|
+$94.2M |
| 2 |
Citigroup
C
|
+$62.3M |
| 3 |
JPMorgan Chase
JPM
|
+$56.2M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$45.8M |
| 5 |
SPDR Gold Trust
GLD
|
+$44.4M |
Sector Composition
| 1 | Consumer Discretionary | 16.85% |
| 2 | Technology | 15.5% |
| 3 | Communication Services | 10.53% |
| 4 | Healthcare | 8.8% |
| 5 | Consumer Staples | 5.63% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1826
OppFi
OPFI
$316M
| $10K | ﹤0.01% |
5,253
+2,860
| +120% | +$5.45K |
|
1827
Payoneer
PAYO
$2.33B
| $10K | ﹤0.01% |
+1,974
| New | +$10K |
|
1828
Paysign
PAYS
$312M
| $10K | ﹤0.01% |
+4,031
| New | +$10K |
|
1829
Pinnacle Financial Partners
PNFP
$7.4B
| $10K | ﹤0.01% |
138
-762
| -85% | -$55.2K |
|
1830
Invesco Active US Real Estate Fund
PSR
$55M
| $10K | ﹤0.01% |
121
-1
| -0.8% | -$83 |
|
1831
RCM Technologies
RCMT
$197M
| $10K | ﹤0.01% |
834
-219
| -21% | -$2.63K |
|
1832
Rexford Industrial Realty
REXR
$10.1B
| $10K | ﹤0.01% |
185
-989
| -84% | -$53.5K |
|
1833
Relay Therapeutics
RLAY
$700M
| $10K | ﹤0.01% |
671
+410
| +157% | +$6.11K |
|
1834
Rockwell Medical
RMTI
$57.2M
| $10K | ﹤0.01% |
10,518
+9,102
| +643% | +$8.65K |
|
1835
Recursion Pharmaceuticals
RXRX
$2.08B
| $10K | ﹤0.01% |
1,405
-1,370
| -49% | -$9.75K |
|
1836
SES AI
SES
$482M
| $10K | ﹤0.01% |
3,302
+2,120
| +179% | +$6.42K |
|
1837
SiriusPoint
SPNT
$2.16B
| $10K | ﹤0.01% |
+1,736
| New | +$10K |
|
1838
Zynex
ZYXI
$44.8M
| $10K | ﹤0.01% |
777
-7,337
| -90% | -$94.4K |
|
|
DOOR
1839
DELISTED
MASONITE INTERNATIONAL CORP
DOOR
| $10K | ﹤0.01% |
+130
| New | +$10K |
|
|
OBSV
1840
DELISTED
ObsEva SA Ordinary Shares
OBSV
| $10K | ﹤0.01% |
69,860
-9,916
| -12% | -$1.42K |
|
|
EPHY
1841
DELISTED
Epiphany Technology Acquisition Corp. Class A Common Stock
EPHY
| $10K | ﹤0.01% |
1,059
+1,058
| +105,800% | +$9.99K |
|
1842
ADC Therapeutics
ADCT
$360M
| $9K | ﹤0.01% |
2,581
-6,361
| -71% | -$22.2K |
|
1843
AgriFORCE Growing Systems
AGRI
$3.1M
| – | – |
0
| – | -$20K |
|
1844
AMC Networks
AMCX
$363M
| $9K | ﹤0.01% |
603
-3,254
| -84% | -$48.6K |
|
1845
JPMorgan BetaBuilders Canada ETF
BBCA
$8.91B
| $9K | ﹤0.01% |
+163
| New | +$9K |
|
1846
Cato Corp
CATO
$90M
| $9K | ﹤0.01% |
+970
| New | +$9K |
|
1847
Vita Coco
COCO
$2.26B
| $9K | ﹤0.01% |
655
-530
| -45% | -$7.28K |
|
1848
Ceragon Networks
CRNT
$182M
| $9K | ﹤0.01% |
5,023
+3,801
| +311% | +$6.81K |
|
1849
Torrid Holdings
CURV
$182M
| $9K | ﹤0.01% |
3,349
-1,505
| -31% | -$4.04K |
|
1850
Dogness International Corp
DOGZ
$183M
| $9K | ﹤0.01% |
472
+184
| +64% | +$3.51K |
|