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 |
Apple
AAPL
|
+$586M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$82.5M |
| 3 |
Intel
INTC
|
+$40.4M |
| 4 |
Invesco QQQ Trust
QQQ
|
+$39.4M |
| 5 |
Uber
UBER
|
+$36.3M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$130M |
| 2 |
Pinduoduo
PDD
|
+$95.7M |
| 3 |
Boeing
BA
|
+$56.2M |
| 4 |
KraneShares CSI China Internet ETF
KWEB
|
+$40.7M |
| 5 |
Microsoft
MSFT
|
+$40.5M |
Sector Composition
| 1 | Technology | 34.29% |
| 2 | Consumer Discretionary | 11.38% |
| 3 | Healthcare | 9.65% |
| 4 | Financials | 6.33% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
651
Turning Point Brands
TPB
$1.79B
| $496K | ﹤0.01% |
8,263
+5,624
| +213% | +$338K |
|
652
SandRidge Energy
SD
$418M
| $493K | ﹤0.01% |
+42,152
| New | +$493K |
|
653
Medpace
MEDP
$13.6B
| $491K | ﹤0.01% |
+1,478
| New | +$491K |
|
654
AeroVironment
AVAV
$11.5B
| $490K | ﹤0.01% |
+3,189
| New | +$490K |
|
655
Qiagen
QGEN
$10.2B
| $487K | ﹤0.01% |
+10,640
| New | +$487K |
|
656
Progyny
PGNY
$1.98B
| $486K | ﹤0.01% |
28,200
+27,968
| +12,055% | +$482K |
|
657
Humacyte
HUMA
$238M
| $485K | ﹤0.01% |
96,175
-34,532
| -26% | -$174K |
|
658
Copa Holdings
CPA
$4.69B
| $484K | ﹤0.01% |
5,518
+1,820
| +49% | +$160K |
|
659
Eton Pharmaceutcials
ETON
$479M
| $484K | ﹤0.01% |
+36,376
| New | +$484K |
|
660
Teucrium Wheat Fund
WEAT
$117M
| $484K | ﹤0.01% |
100,539
-2,449
| -2% | -$11.8K |
|
|
SMCX
661
Defiance Daily Target 2X Long SMCI ETF
SMCX
$236M
| $481K | ﹤0.01% |
12,265
+12,097
| +7,201% | +$474K |
|
662
Polaris
PII
$3.32B
| $478K | ﹤0.01% |
+8,300
| New | +$478K |
|
663
Treace Medical Concepts
TMCI
$467M
| $477K | ﹤0.01% |
64,117
+61,458
| +2,311% | +$457K |
|
664
iShares Mortgage Real Estate ETF
REM
$618M
| $475K | ﹤0.01% |
22,271
+8,234
| +59% | +$176K |
|
665
Nu Holdings
NU
$74.7B
| $474K | ﹤0.01% |
+45,774
| New | +$474K |
|
666
Carriage Services
CSV
$669M
| $473K | ﹤0.01% |
11,885
-25,258
| -68% | -$1.01M |
|
667
Liquidia Corp
LQDA
$2.39B
| $473K | ﹤0.01% |
40,234
+26,672
| +197% | +$314K |
|
668
Repligen
RGEN
$6.68B
| $472K | ﹤0.01% |
3,281
-876
| -21% | -$126K |
|
669
Structure Therapeutics
GPCR
$1.22B
| $470K | ﹤0.01% |
17,346
-3,913
| -18% | -$106K |
|
670
Manchester United
MANU
$2.73B
| $470K | ﹤0.01% |
27,114
+10,339
| +62% | +$179K |
|
671
Sibanye-Stillwater
SBSW
$6.04B
| $470K | ﹤0.01% |
142,581
-37,065
| -21% | -$122K |
|
672
MaxLinear
MXL
$1.4B
| $468K | ﹤0.01% |
23,684
-2,130
| -8% | -$42.1K |
|
673
Lantheus
LNTH
$3.74B
| $467K | ﹤0.01% |
5,229
-14,063
| -73% | -$1.26M |
|
674
Ginkgo Bioworks
DNA
$637M
| $462K | ﹤0.01% |
+47,103
| New | +$462K |
|
675
TAL Education Group
TAL
$6.47B
| $462K | ﹤0.01% |
46,129
-78,066
| -63% | -$782K |
|