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 |
Invesco QQQ Trust
QQQ
|
+$92M |
| 2 |
Walt Disney
DIS
|
+$25.4M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$12.8M |
| 4 |
Baidu
BIDU
|
+$12.2M |
| 5 |
RHT
Red Hat Inc
RHT
|
+$11.6M |
Top Sells
| 1 |
iShares Russell 2000 ETF
IWM
|
+$61.4M |
| 2 |
Amazon
AMZN
|
+$59.6M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$35.5M |
| 4 |
Apple
AAPL
|
+$19.6M |
| 5 |
Financial Select Sector SPDR Fund
XLF
|
+$18.2M |
Sector Composition
| 1 | Communication Services | 16.98% |
| 2 | Technology | 12.42% |
| 3 | Healthcare | 10.02% |
| 4 | Consumer Discretionary | 8.53% |
| 5 | Industrials | 6.01% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
ENBL
926
DELISTED
ENABLE MIDSTREAM PARTNERS, LP
ENBL
| $90K | ﹤0.01% |
+6,326
| New | +$90K |
|
927
FerroAtlántica
GSM
$780M
| $89K | ﹤0.01% |
43,507
+26,181
| +151% | +$53.6K |
|
928
Bloomin' Brands
BLMN
$586M
| $88K | ﹤0.01% |
4,307
-17,403
| -80% | -$356K |
|
929
Bristow Group
VTOL
$1.08B
| $88K | ﹤0.01% |
3,846
-548
| -12% | -$12.5K |
|
930
ProShares UltraShort Yen
YCS
$30.7M
| $88K | ﹤0.01% |
4,640
-2,976
| -39% | -$56.4K |
|
|
SAIL
931
DELISTED
SailPoint Technologies Holdings, Inc. Common Stock
SAIL
| $88K | ﹤0.01% |
3,087
+2,371
| +331% | +$67.6K |
|
|
TEUM
932
DELISTED
Pareteum Corporation
TEUM
| $88K | ﹤0.01% |
+19,372
| New | +$88K |
|
933
Extreme Networks
EXTR
$2.96B
| $87K | ﹤0.01% |
11,742
-119,484
| -91% | -$885K |
|
934
Pricesmart
PSMT
$3.41B
| $87K | ﹤0.01% |
+1,486
| New | +$87K |
|
935
Vericel Corp
VCEL
$1.58B
| $87K | ﹤0.01% |
5,016
-5,963
| -54% | -$103K |
|
|
DQ
936
Daqo New Energy
DQ
$1.77B
| $86K | ﹤0.01% |
13,130
-7,080
| -35% | -$46.4K |
|
937
Eagle Bancorp
EGBN
$596M
| $86K | ﹤0.01% |
+1,714
| New | +$86K |
|
938
Odyssey Marine Exploration
OMEX
$75M
| $86K | ﹤0.01% |
12,122
+10,715
| +762% | +$76K |
|
939
Perdoceo Education
PRDO
$2.16B
| $86K | ﹤0.01% |
5,228
+3,126
| +149% | +$51.4K |
|
940
Regis Corp
RGS
$66.7M
| $86K | ﹤0.01% |
219
+213
| +3,550% | +$83.6K |
|
|
QVCGA
941
QVC Group, Inc. Series A Common Stock
QVCGA
$83.7M
| $86K | ﹤0.01% |
111
-186
| -63% | -$144K |
|
942
BlueLinx
BXC
$628M
| $85K | ﹤0.01% |
3,199
+1,574
| +97% | +$41.8K |
|
943
Central Garden & Pet
CENT
$2.28B
| $85K | ﹤0.01% |
4,191
+3,337
| +391% | +$67.7K |
|
944
TechnipFMC
FTI
$16.8B
| $85K | ﹤0.01% |
+4,892
| New | +$85K |
|
945
Q2 Holdings
QTWO
$5.13B
| $85K | ﹤0.01% |
1,240
-40
| -3% | -$2.74K |
|
946
Team
TISI
$84.2M
| $85K | ﹤0.01% |
+490
| New | +$85K |
|
947
GoDaddy
GDDY
$20.1B
| $84K | ﹤0.01% |
+1,129
| New | +$84K |
|
948
Home BancShares
HOMB
$5.82B
| $84K | ﹤0.01% |
+4,799
| New | +$84K |
|
|
PETX
949
DELISTED
Aratana Therapeutics, Inc.
PETX
| $84K | ﹤0.01% |
23,474
+22,837
| +3,585% | +$81.7K |
|
950
Amneal Pharmaceuticals
AMRX
$3.08B
| $83K | ﹤0.01% |
5,869
+949
| +19% | +$13.4K |
|