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 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$278M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$84.4M |
| 3 |
NVIDIA
NVDA
|
+$76.9M |
| 4 |
TSMC
TSM
|
+$74.9M |
| 5 |
Amazon
AMZN
|
+$53.5M |
Top Sells
| 1 |
Apple
AAPL
|
+$497M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$73.7M |
| 3 |
Alibaba
BABA
|
+$49M |
| 4 |
Advanced Micro Devices
AMD
|
+$48.1M |
| 5 |
Uber
UBER
|
+$41.8M |
Sector Composition
| 1 | Technology | 22.9% |
| 2 | Consumer Discretionary | 12.26% |
| 3 | Healthcare | 9.52% |
| 4 | Communication Services | 8.42% |
| 5 | Financials | 7.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1876
Pacer US Small Cap Cash Cows 100 ETF
CALF
$4.1B
| $6K | ﹤0.01% |
165
-2,132
| -93% | -$77.5K |
|
1877
CBAK Energy Technology
CBAT
$78.1M
| $6K | ﹤0.01% |
7,821
-2,853
| -27% | -$2.19K |
|
1878
Community Bank
CBU
$3.11B
| $6K | ﹤0.01% |
+120
| New | +$6K |
|
1879
CCC Intelligent Solutions
CCCS
$6.37B
| $6K | ﹤0.01% |
725
-5,227
| -88% | -$43.3K |
|
1880
Carlyle Secured Lending
CGBD
$999M
| $6K | ﹤0.01% |
+421
| New | +$6K |
|
1881
Commercial Vehicle Group
CVGI
$72.9M
| $6K | ﹤0.01% |
5,378
-12,787
| -70% | -$14.3K |
|
1882
Civeo
CVEO
$287M
| $6K | ﹤0.01% |
+301
| New | +$6K |
|
1883
CVRx
CVRX
$205M
| $6K | ﹤0.01% |
559
-2,694
| -83% | -$28.9K |
|
1884
Definitive Healthcare
DH
$432M
| $6K | ﹤0.01% |
2,388
+1,342
| +128% | +$3.37K |
|
1885
Foghorn Therapeutics
FHTX
$293M
| $6K | ﹤0.01% |
1,782
+1,102
| +162% | +$3.71K |
|
1886
Gaia
GAIA
$152M
| $6K | ﹤0.01% |
+1,693
| New | +$6K |
|
1887
Gain Therapeutics
GANX
$59.7M
| $6K | ﹤0.01% |
+3,444
| New | +$6K |
|
1888
Gevo
GEVO
$404M
| $6K | ﹤0.01% |
+5,636
| New | +$6K |
|
1889
Greystone Housing Impact Investors LP
GHI
$254M
| $6K | ﹤0.01% |
524
-4,709
| -90% | -$53.9K |
|
1890
Gulf Island Fabrication
GIFI
$122M
| $6K | ﹤0.01% |
931
+335
| +56% | +$2.16K |
|
1891
Hillenbrand
HI
$1.73B
| $6K | ﹤0.01% |
279
+109
| +64% | +$2.34K |
|
1892
iShares US Consumer Staples ETF
IYK
$1.33B
| $6K | ﹤0.01% |
+97
| New | +$6K |
|
1893
iShares US Basic Materials ETF
IYM
$569M
| $6K | ﹤0.01% |
50
+10
| +25% | +$1.2K |
|
1894
Invesco KBW Premium Yield Equity REIT ETF
KBWY
$256M
| $6K | ﹤0.01% |
+386
| New | +$6K |
|
1895
Kaltura
KLTR
$266M
| $6K | ﹤0.01% |
3,397
+3,181
| +1,473% | +$5.62K |
|
1896
Standard BioTools
LAB
$493M
| $6K | ﹤0.01% |
5,574
-2,007
| -26% | -$2.16K |
|
1897
LENSAR
LNSR
$149M
| $6K | ﹤0.01% |
484
-3,571
| -88% | -$44.3K |
|
1898
PLAYSTUDIOS Inc
MYPS
$121M
| $6K | ﹤0.01% |
+4,775
| New | +$6K |
|
1899
NewMarket
NEU
$7.87B
| $6K | ﹤0.01% |
+12
| New | +$6K |
|
1900
YieldMax NFLX Option Income Strategy ETF
NFLY
$165M
| $6K | ﹤0.01% |
+401
| New | +$6K |
|