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 |
Tesla
TSLA
|
+$27.1M |
| 2 |
Netflix
NFLX
|
+$24.7M |
| 3 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$20.1M |
| 4 |
TWX
Time Warner Inc
TWX
|
+$18.3M |
| 5 |
Alibaba
BABA
|
+$14.8M |
Top Sells
| 1 |
Amazon
AMZN
|
+$71.9M |
| 2 |
Micron Technology
MU
|
+$47.7M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$26.3M |
| 4 |
Boeing
BA
|
+$21M |
| 5 |
Citigroup
C
|
+$19.6M |
Sector Composition
| 1 | Consumer Discretionary | 15.64% |
| 2 | Communication Services | 14.16% |
| 3 | Technology | 12.46% |
| 4 | Financials | 10.94% |
| 5 | Healthcare | 10.33% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1576
Entravision Communication
EVC
$226M
| $10K | ﹤0.01% |
+2,218
| New | +$10K |
|
1577
Fulton Financial
FULT
$3.54B
| $10K | ﹤0.01% |
592
-4,011
| -87% | -$67.8K |
|
1578
Ingevity
NGVT
$2.12B
| $10K | ﹤0.01% |
148
-2,475
| -94% | -$167K |
|
1579
NMI Holdings
NMIH
$3.08B
| $10K | ﹤0.01% |
626
-1,710
| -73% | -$27.3K |
|
1580
OGE Energy
OGE
$8.96B
| $10K | ﹤0.01% |
+312
| New | +$10K |
|
1581
Option Care Health
OPCH
$4.62B
| $10K | ﹤0.01% |
1,033
+612
| +145% | +$5.92K |
|
1582
OneSpan
OSPN
$588M
| $10K | ﹤0.01% |
+782
| New | +$10K |
|
1583
Protalix BioTherapeutics
PLX
$144M
| $10K | ﹤0.01% |
1,910
+830
| +77% | +$4.35K |
|
1584
Sleep Number
SNBR
$214M
| $10K | ﹤0.01% |
+298
| New | +$10K |
|
1585
Sonoco
SON
$4.71B
| $10K | ﹤0.01% |
+214
| New | +$10K |
|
1586
TTEC Holdings
TTEC
$173M
| $10K | ﹤0.01% |
+342
| New | +$10K |
|
1587
UDR
UDR
$12.7B
| $10K | ﹤0.01% |
295
+233
| +376% | +$7.9K |
|
|
APU
1588
DELISTED
AmeriGas Partners, L.P.
APU
| $10K | ﹤0.01% |
+260
| New | +$10K |
|
|
MIDZ
1589
DELISTED
Direxion Daily Mid Cap Bear 3X Shares
MIDZ
| $10K | ﹤0.01% |
+153
| New | +$10K |
|
|
ELLI
1590
DELISTED
Ellie Mae Inc
ELLI
| $10K | ﹤0.01% |
112
-385
| -77% | -$34.4K |
|
|
XOXO
1591
DELISTED
Xo Group Inc
XOXO
| $10K | ﹤0.01% |
+494
| New | +$10K |
|
|
SIGM
1592
DELISTED
Sigma Designs Inc
SIGM
| $10K | ﹤0.01% |
+1,705
| New | +$10K |
|
|
EVIX
1593
DELISTED
VelocityShares 1x Long VSTOXX Futures ETN
EVIX
| $10K | ﹤0.01% |
+736
| New | +$10K |
|
1594
Corbus Pharmaceuticals
CRBP
$116M
| $9K | ﹤0.01% |
49
-518
| -91% | -$95.1K |
|
|
FPI
1595
Farmland Partners
FPI
$481M
| $9K | ﹤0.01% |
1,092
+1,028
| +1,606% | +$8.47K |
|
1596
GoDaddy
GDDY
$20.1B
| $9K | ﹤0.01% |
155
-20,001
| -99% | -$1.16M |
|
1597
Gran Tierra Energy
GTE
$136M
| $9K | ﹤0.01% |
355
+295
| +492% | +$7.48K |
|
1598
Hawaiian Electric Industries
HE
$2.09B
| $9K | ﹤0.01% |
+279
| New | +$9K |
|
1599
Imunon
IMNN
$14.5M
| $9K | ﹤0.01% |
21
+9
| +75% | +$3.86K |
|
1600
Ingersoll Rand
IR
$31.3B
| $9K | ﹤0.01% |
301
-882
| -75% | -$26.4K |
|