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 | |
|---|---|---|---|---|---|---|
1776
Kyverna Therapeutics
KYTX
$170M
| $14K | ﹤0.01% |
+3,765
| New | +$14K |
|
|
SBDS
1777
Solo Brands, Inc.
SBDS
$26M
| $14K | ﹤0.01% |
12,486
-102,421
| -89% | -$115K |
|
1778
Adicet Bio
ACET
$67.5M
| $13K | ﹤0.01% |
14,475
+8,052
| +125% | +$7.23K |
|
1779
Federal Agricultural Mortgage
AGM
$2.15B
| $13K | ﹤0.01% |
70
+45
| +180% | +$8.36K |
|
1780
Choice Hotels
CHH
$5.22B
| $13K | ﹤0.01% |
+93
| New | +$13K |
|
1781
iShares CMBS ETF
CMBS
$468M
| $13K | ﹤0.01% |
+286
| New | +$13K |
|
1782
Crinetics Pharmaceuticals
CRNX
$3.2B
| $13K | ﹤0.01% |
+260
| New | +$13K |
|
1783
Hilton Grand Vacations
HGV
$3.98B
| $13K | ﹤0.01% |
+337
| New | +$13K |
|
1784
Hooker Furnishings Corp
HOFT
$111M
| $13K | ﹤0.01% |
999
+578
| +137% | +$7.52K |
|
1785
Standard BioTools
LAB
$493M
| $13K | ﹤0.01% |
7,581
-4,327
| -36% | -$7.42K |
|
1786
MeiraGTx Holdings
MGTX
$612M
| $13K | ﹤0.01% |
2,248
-3,493
| -61% | -$20.2K |
|
1787
Mettler-Toledo International
MTD
$25.9B
| $13K | ﹤0.01% |
+11
| New | +$13K |
|
1788
Newegg Commerce
NEGG
$901M
| $13K | ﹤0.01% |
1,686
-706
| -30% | -$5.44K |
|
1789
Invesco Global Clean Energy ETF
PBD
$83.1M
| $13K | ﹤0.01% |
+1,200
| New | +$13K |
|
1790
PDS Biotechnology
PDSB
$54.5M
| $13K | ﹤0.01% |
8,267
+1,570
| +23% | +$2.47K |
|
1791
PetMed Express
PETS
$57.8M
| $13K | ﹤0.01% |
2,713
-6,674
| -71% | -$32K |
|
1792
Arcus Biosciences
RCUS
$1.23B
| $13K | ﹤0.01% |
927
-9,813
| -91% | -$138K |
|
1793
Schwab 1000 Index ETF
SCHK
$4.59B
| $13K | ﹤0.01% |
477
+409
| +601% | +$11.1K |
|
1794
Schwab US Mid-Cap ETF
SCHM
$12.2B
| $13K | ﹤0.01% |
+470
| New | +$13K |
|
1795
Suzano
SUZ
$11.7B
| $13K | ﹤0.01% |
1,358
-4,335
| -76% | -$41.5K |
|
1796
TFI International
TFII
$7.77B
| $13K | ﹤0.01% |
+97
| New | +$13K |
|
1797
Interface
TILE
$1.66B
| $13K | ﹤0.01% |
557
+355
| +176% | +$8.29K |
|
|
TPIC
1798
DELISTED
TPI Composites
TPIC
| $13K | ﹤0.01% |
+7,182
| New | +$13K |
|
1799
Upbound Group
UPBD
$1.45B
| $13K | ﹤0.01% |
+469
| New | +$13K |
|
1800
Y-mAbs Therapeutics
YMAB
$390M
| $13K | ﹤0.01% |
+1,783
| New | +$13K |
|