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
|
+$258M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$75.7M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$67.2M |
| 4 |
Alphabet (Google) Class C
GOOG
|
+$59.4M |
| 5 |
Intel
INTC
|
+$45.8M |
Top Sells
| 1 |
SPDR S&P 500 ETF Trust
SPY
|
+$56.8M |
| 2 |
iShares Silver Trust
SLV
|
+$45.9M |
| 3 |
Ford
F
|
+$32.5M |
| 4 |
Exxon Mobil
XOM
|
+$20.4M |
| 5 |
Caterpillar
CAT
|
+$19.2M |
Sector Composition
| 1 | Technology | 26.01% |
| 2 | Consumer Discretionary | 9.82% |
| 3 | Communication Services | 9.82% |
| 4 | Financials | 8.68% |
| 5 | Healthcare | 6.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1826
Agilent Technologies
A
$35.6B
| $16K | ﹤0.01% |
+139
| New | +$16K |
|
1827
BigBear.ai
BBAI
$1.89B
| $16K | ﹤0.01% |
4,530
-21,412
| -83% | -$75.6K |
|
1828
Chunghwa Telecom
CHT
$34.9B
| $16K | ﹤0.01% |
+391
| New | +$16K |
|
1829
iShares MSCI EAFE Min Vol Factor ETF
EFAV
$5.47B
| $16K | ﹤0.01% |
+265
| New | +$16K |
|
1830
Eos Energy Enterprises
EOSE
$2.31B
| $16K | ﹤0.01% |
13,993
-52,091
| -79% | -$59.6K |
|
1831
Gaia
GAIA
$155M
| $16K | ﹤0.01% |
+3,875
| New | +$16K |
|
1832
Genesco
GCO
$362M
| $16K | ﹤0.01% |
+335
| New | +$16K |
|
1833
Matrix Service
MTRX
$359M
| $16K | ﹤0.01% |
3,287
-5,067
| -61% | -$24.7K |
|
1834
Sherwin-Williams
SHW
$89B
| $16K | ﹤0.01% |
+75
| New | +$16K |
|
1835
iShares 0-5 Year High Yield Corporate Bond ETF
SHYG
$7.3B
| $16K | ﹤0.01% |
+400
| New | +$16K |
|
1836
Tri Pointe Homes
TPH
$3.07B
| $16K | ﹤0.01% |
961
+233
| +32% | +$3.88K |
|
1837
Telesat
TSAT
$402M
| $16K | ﹤0.01% |
1,501
+378
| +34% | +$4.03K |
|
|
ACB
1838
Aurora Cannabis
ACB
$280M
| $15K | ﹤0.01% |
1,171
| – | – |
|
|
AFCG
1839
AFC Gamma
AFCG
$105M
| $15K | ﹤0.01% |
+1,430
| New | +$15K |
|
1840
Cadre Holdings
CDRE
$1.33B
| $15K | ﹤0.01% |
+764
| New | +$15K |
|
1841
US Global Investors
GROW
$32.6M
| $15K | ﹤0.01% |
3,458
-14,558
| -81% | -$63.1K |
|
1842
SPDR S&P China ETF
GXC
$503M
| $15K | ﹤0.01% |
166
+114
| +219% | +$10.3K |
|
1843
Amplify BlueStar Israel Technology ETF
ITEQ
$100M
| $15K | ﹤0.01% |
342
+300
| +714% | +$13.2K |
|
1844
iShares US Energy ETF
IYE
$1.15B
| $15K | ﹤0.01% |
402
-4,962
| -93% | -$185K |
|
1845
Mistras Group
MG
$301M
| $15K | ﹤0.01% |
2,593
-18,545
| -88% | -$107K |
|
1846
Magnachip Semiconductor
MX
$114M
| $15K | ﹤0.01% |
+1,057
| New | +$15K |
|
1847
Oil States International
OIS
$340M
| $15K | ﹤0.01% |
2,928
-58,024
| -95% | -$297K |
|
1848
Rayonier Advanced Materials
RYAM
$438M
| $15K | ﹤0.01% |
+5,995
| New | +$15K |
|
1849
Semrush
SEMR
$1.11B
| $15K | ﹤0.01% |
1,170
-132
| -10% | -$1.69K |
|
1850
SoundHound AI
SOUN
$5.79B
| $15K | ﹤0.01% |
+5,614
| New | +$15K |
|