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 | |
|---|---|---|---|---|---|---|
|
CRESY
701
Cresud
CRESY
$537M
| $419K | ﹤0.01% |
+44,228
| New | +$419K |
|
702
Pulse Biosciences
PLSE
$1.02B
| $419K | ﹤0.01% |
+34,293
| New | +$419K |
|
|
AMED
703
DELISTED
Amedisys
AMED
| $416K | ﹤0.01% |
4,378
+2,119
| +94% | +$201K |
|
704
MRC Global
MRC
$1.26B
| $416K | ﹤0.01% |
+37,810
| New | +$416K |
|
705
REX American Resources
REX
$1.02B
| $416K | ﹤0.01% |
+8,813
| New | +$416K |
|
706
Powell Industries
POWL
$3.53B
| $415K | ﹤0.01% |
4,702
+2,181
| +87% | +$192K |
|
|
EBIX
707
DELISTED
Ebix Inc
EBIX
| $415K | ﹤0.01% |
399,213
+388,611
| +3,665% | +$404K |
|
708
ProShares UltraPro Short Russell2000
SRTY
$77.6M
| $414K | ﹤0.01% |
+13,724
| New | +$414K |
|
|
MTTR
709
DELISTED
Matterport, Inc. Class A Common Stock
MTTR
| $412K | ﹤0.01% |
153,333
+53,992
| +54% | +$145K |
|
710
Global X Cybersecurity ETF
BUG
$1.14B
| $411K | ﹤0.01% |
14,047
+11,119
| +380% | +$325K |
|
711
Atlanta Braves Holdings Series B
BATRK
$2.66B
| $409K | ﹤0.01% |
10,344
+9,349
| +940% | +$370K |
|
|
MFA
712
MFA Financial
MFA
$1.05B
| $407K | ﹤0.01% |
+36,169
| New | +$407K |
|
713
Direxion Daily Real Estate Bull 3X Shares
DRN
$67.3M
| $406K | ﹤0.01% |
+38,230
| New | +$406K |
|
714
Zai Lab
ZLAB
$3.61B
| $404K | ﹤0.01% |
14,793
-1,483
| -9% | -$40.5K |
|
715
ITT
ITT
$13.9B
| $401K | ﹤0.01% |
+3,365
| New | +$401K |
|
716
Manhattan Associates
MANH
$13.3B
| $401K | ﹤0.01% |
1,866
+250
| +15% | +$53.7K |
|
717
Wolverine World Wide
WWW
$2.48B
| $401K | ﹤0.01% |
45,149
+21,565
| +91% | +$192K |
|
718
DocGo
DCGO
$154M
| $400K | ﹤0.01% |
+71,671
| New | +$400K |
|
719
WisdomTree India Earnings Fund ETF
EPI
$2.94B
| $399K | ﹤0.01% |
9,753
+8,161
| +513% | +$334K |
|
720
SandRidge Energy
SD
$424M
| $399K | ﹤0.01% |
29,198
+11,175
| +62% | +$153K |
|
721
CenterPoint Energy
CNP
$25B
| $398K | ﹤0.01% |
13,960
+8,442
| +153% | +$241K |
|
722
Albertsons Companies
ACI
$10.5B
| $397K | ﹤0.01% |
+17,272
| New | +$397K |
|
723
YieldMax TSLA Option Income Strategy ETF
TSLY
$1.19B
| $393K | ﹤0.01% |
+16,476
| New | +$393K |
|
724
WD-40
WDFC
$2.88B
| $393K | ﹤0.01% |
1,644
-2,960
| -64% | -$708K |
|
725
Banco Bradesco
BBD
$33.4B
| $392K | ﹤0.01% |
+112,211
| New | +$392K |
|