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 |
Boeing
BA
|
+$49.5M |
| 2 |
Pinduoduo
PDD
|
+$45.3M |
| 3 |
Microsoft
MSFT
|
+$42.5M |
| 4 |
Apple
AAPL
|
+$33.3M |
| 5 |
Direxion Daily Semiconductor Bull 3X Shares
SOXL
|
+$25.4M |
Top Sells
| 1 |
Broadcom
AVGO
|
+$95.4M |
| 2 |
Citigroup
C
|
+$57.9M |
| 3 |
Pfizer
PFE
|
+$55.9M |
| 4 |
TSMC
TSM
|
+$40.4M |
| 5 |
Starbucks
SBUX
|
+$40.4M |
Sector Composition
| 1 | Technology | 23.11% |
| 2 | Consumer Discretionary | 16.53% |
| 3 | Healthcare | 8.58% |
| 4 | Industrials | 7.58% |
| 5 | Financials | 7.29% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1826
Garrett Motion
GTX
$2.64B
| $6K | ﹤0.01% |
804
-3,896
| -83% | -$29.1K |
|
1827
SPDR S&P China ETF
GXC
$502M
| $6K | ﹤0.01% |
+82
| New | +$6K |
|
1828
Hillenbrand
HI
$1.73B
| $6K | ﹤0.01% |
+248
| New | +$6K |
|
|
IGMS
1829
DELISTED
IGM Biosciences
IGMS
| $6K | ﹤0.01% |
404
-355
| -47% | -$5.27K |
|
1830
Kaiser Aluminum
KALU
$1.24B
| $6K | ﹤0.01% |
88
+54
| +159% | +$3.68K |
|
1831
iShares Global Consumer Staples ETF
KXI
$860M
| $6K | ﹤0.01% |
95
-5
| -5% | -$316 |
|
1832
Materion
MTRN
$2.31B
| $6K | ﹤0.01% |
+59
| New | +$6K |
|
1833
Noodles & Co
NDLS
$30.7M
| $6K | ﹤0.01% |
5,387
-2,761
| -34% | -$3.08K |
|
1834
Pricesmart
PSMT
$3.52B
| $6K | ﹤0.01% |
71
-380
| -84% | -$32.1K |
|
|
QIPT
1835
Quipt Home Medical
QIPT
$117M
| $6K | ﹤0.01% |
2,064
-768
| -27% | -$2.23K |
|
1836
Rani Therapeutics
RANI
$23.9M
| $6K | ﹤0.01% |
2,835
+1,353
| +91% | +$2.86K |
|
1837
RAPT Therapeutics
RAPT
$268M
| $6K | ﹤0.01% |
402
+28
| +7% | +$418 |
|
1838
T Rowe Price
TROW
$23.2B
| $6K | ﹤0.01% |
58
-34,278
| -100% | -$3.55M |
|
1839
WhiteHorse Finance
WHF
$203M
| $6K | ﹤0.01% |
525
-2,212
| -81% | -$25.3K |
|
1840
NN Inc
NNBR
$117M
| $5K | ﹤0.01% |
1,384
-8,413
| -86% | -$30.4K |
|
1841
YieldMax Innovation Option Income Strategy ETF
OARK
$89.5M
| $5K | ﹤0.01% |
+512
| New | +$5K |
|
1842
Ovid Therapeutics
OVID
$89.6M
| $5K | ﹤0.01% |
4,495
+2,112
| +89% | +$2.35K |
|
1843
Privia Health
PRVA
$2.8B
| $5K | ﹤0.01% |
+314
| New | +$5K |
|
1844
Bankunited
BKU
$2.96B
| $5K | ﹤0.01% |
+160
| New | +$5K |
|
1845
PIMCO Active Bond Exchange-Traded Fund
BOND
$5.88B
| $5K | ﹤0.01% |
61
-20
| -25% | -$1.64K |
|
1846
Clarus
CLAR
$147M
| $5K | ﹤0.01% |
+1,251
| New | +$5K |
|
1847
Clearside Biomedical
CLSD
$25.1M
| $5K | ﹤0.01% |
4,424
-2,210
| -33% | -$2.5K |
|
1848
CNA Financial
CNA
$12.9B
| $5K | ﹤0.01% |
+107
| New | +$5K |
|
1849
Traeger
COOK
$177M
| $5K | ﹤0.01% |
1,471
-96
| -6% | -$326 |
|
1850
DocGo
DCGO
$150M
| $5K | ﹤0.01% |
1,537
-66,147
| -98% | -$215K |
|