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
|
+$41.7M |
| 2 |
Mastercard
MA
|
+$33.6M |
| 3 |
Alibaba
BABA
|
+$33.4M |
| 4 |
Apple
AAPL
|
+$27.9M |
| 5 |
Alphabet (Google) Class C
GOOG
|
+$26M |
Top Sells
| 1 |
JPMorgan Chase
JPM
|
+$60M |
| 2 |
TSMC
TSM
|
+$49.5M |
| 3 |
iShares Silver Trust
SLV
|
+$26M |
| 4 |
Amazon
AMZN
|
+$25.2M |
| 5 |
Boeing
BA
|
+$22.1M |
Sector Composition
| 1 | Consumer Discretionary | 23.12% |
| 2 | Technology | 13.05% |
| 3 | Healthcare | 11.53% |
| 4 | Industrials | 7.38% |
| 5 | Communication Services | 6.71% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
651
AvePoint
AVPT
$3.34B
| $501K | ﹤0.01% |
+33,382
| New | +$501K |
|
652
NiSource
NI
$19.2B
| $501K | ﹤0.01% |
21,842
+10,619
| +95% | +$244K |
|
653
Lightspeed Commerce
LSPD
$1.58B
| $500K | ﹤0.01% |
+7,116
| New | +$500K |
|
654
Vanguard Financials ETF
VFH
$12.8B
| $498K | ﹤0.01% |
6,849
+1,240
| +22% | +$90.2K |
|
655
Energous
WATT
$11.3M
| $496K | ﹤0.01% |
+460
| New | +$496K |
|
656
Celldex Therapeutics
CLDX
$1.66B
| $493K | ﹤0.01% |
28,144
+11,082
| +65% | +$194K |
|
657
Akamai
AKAM
$11B
| $491K | ﹤0.01% |
+4,684
| New | +$491K |
|
|
ACIA
658
DELISTED
Acacia Communications, Inc. Common Stock
ACIA
| $491K | ﹤0.01% |
6,739
+1,620
| +32% | +$118K |
|
659
Eaton
ETN
$141B
| $489K | ﹤0.01% |
+4,077
| New | +$489K |
|
|
BFX
660
DELISTED
BowFlex Inc.
BFX
| $488K | ﹤0.01% |
26,953
-58,715
| -69% | -$1.06M |
|
661
Cenovus Energy
CVE
$30.7B
| $487K | ﹤0.01% |
80,638
+29,074
| +56% | +$176K |
|
662
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$249M
| $486K | ﹤0.01% |
452
+446
| +7,433% | +$480K |
|
663
Insperity
NSP
$1.93B
| $485K | ﹤0.01% |
5,958
+4,383
| +278% | +$357K |
|
|
WWE
664
DELISTED
World Wrestling Entertainment
WWE
| $485K | ﹤0.01% |
+10,107
| New | +$485K |
|
|
CGRO
665
DELISTED
Collective Growth Corporation Class A Common Stock
CGRO
| $481K | ﹤0.01% |
+33,701
| New | +$481K |
|
|
PS
666
DELISTED
Pluralsight, Inc. Class A Common Stock
PS
| $477K | ﹤0.01% |
+22,801
| New | +$477K |
|
667
Sally Beauty Holdings
SBH
$1.45B
| $476K | ﹤0.01% |
36,535
-17,862
| -33% | -$233K |
|
|
GTHX
668
DELISTED
G1 Therapeutics, Inc. Common Stock
GTHX
| $476K | ﹤0.01% |
26,496
+26,340
| +16,885% | +$473K |
|
669
Edgewell Personal Care
EPC
$1.01B
| $475K | ﹤0.01% |
13,760
+1,049
| +8% | +$36.2K |
|
670
Evolent Health
EVH
$1.07B
| $474K | ﹤0.01% |
+29,616
| New | +$474K |
|
|
AHT
671
Ashford Hospitality Trust
AHT
$38M
| $473K | ﹤0.01% |
+1,830
| New | +$473K |
|
672
Delek Logistics
DKL
$2.35B
| $473K | ﹤0.01% |
+14,801
| New | +$473K |
|
673
NETGEAR
NTGR
$823M
| $473K | ﹤0.01% |
11,657
-4,003
| -26% | -$162K |
|
674
LendingTree
TREE
$977M
| $473K | ﹤0.01% |
1,729
+316
| +22% | +$86.4K |
|
675
Infosys
INFY
$70.4B
| $472K | ﹤0.01% |
+27,902
| New | +$472K |
|