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 |
Microsoft
MSFT
|
+$101M |
| 2 |
NVIDIA
NVDA
|
+$66M |
| 3 |
Citigroup
C
|
+$51.8M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$42.7M |
| 5 |
SPDR Gold Trust
GLD
|
+$39.4M |
Top Sells
| 1 |
Apple
AAPL
|
+$411M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$64M |
| 3 |
Meta Platforms (Facebook)
META
|
+$39.8M |
| 4 |
iShares Core S&P 500 ETF
IVV
|
+$34.3M |
| 5 |
PayPal
PYPL
|
+$32.9M |
Sector Composition
| 1 | Technology | 17.4% |
| 2 | Financials | 12.04% |
| 3 | Consumer Discretionary | 10.17% |
| 4 | Healthcare | 8.63% |
| 5 | Industrials | 6.03% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1776
First Trust Global Wind Energy ETF
FAN
$180M
| $18K | ﹤0.01% |
+1,206
| New | +$18K |
|
1777
First Watch Restaurant Group
FWRG
$1.01B
| $18K | ﹤0.01% |
+1,284
| New | +$18K |
|
1778
Galecto
GLTO
$3.8M
| $18K | ﹤0.01% |
384
+365
| +1,921% | +$17.1K |
|
1779
Live Oak Bancshares
LOB
$1.7B
| $18K | ﹤0.01% |
592
-10
| -2% | -$304 |
|
1780
MGIC Investment
MTG
$6.57B
| $18K | ﹤0.01% |
1,458
-223
| -13% | -$2.75K |
|
1781
Direxion Daily Gold Miners Index Bull 2X Shares
NUGT
$864M
| $18K | ﹤0.01% |
735
-57,852
| -99% | -$1.42M |
|
1782
Redwire
RDW
$1.24B
| $18K | ﹤0.01% |
+7,755
| New | +$18K |
|
1783
Sana Biotechnology
SANA
$846M
| $18K | ﹤0.01% |
3,096
+2,399
| +344% | +$13.9K |
|
1784
Splash Beverage Group
SBEV
$4.84M
| $18K | ﹤0.01% |
346
-125
| -27% | -$6.5K |
|
1785
BioAtla
BCAB
$40.6M
| $17K | ﹤0.01% |
2,259
-21,212
| -90% | -$160K |
|
|
CLPR
1786
Clipper Realty
CLPR
$68.3M
| $17K | ﹤0.01% |
2,578
-4,068
| -61% | -$26.8K |
|
1787
Envela
ELA
$199M
| $17K | ﹤0.01% |
+3,382
| New | +$17K |
|
1788
Galectin Therapeutics
GALT
$297M
| $17K | ﹤0.01% |
10,430
-17,441
| -63% | -$28.4K |
|
1789
Grove Collaborative
GROV
$61.5M
| $17K | ﹤0.01% |
+1,565
| New | +$17K |
|
1790
Helen of Troy
HELE
$533M
| $17K | ﹤0.01% |
+182
| New | +$17K |
|
1791
InflaRx
IFRX
$92.8M
| $17K | ﹤0.01% |
6,453
+662
| +11% | +$1.74K |
|
1792
Invesco KBW Bank ETF
KBWB
$5.08B
| $17K | ﹤0.01% |
+359
| New | +$17K |
|
1793
LM Funding America
LMFA
$20.2M
| $17K | ﹤0.01% |
2,992
+2,469
| +472% | +$14K |
|
1794
Lemonade
LMND
$4.23B
| $17K | ﹤0.01% |
837
+37
| +5% | +$751 |
|
1795
RCM Technologies
RCMT
$204M
| $17K | ﹤0.01% |
1,053
+565
| +116% | +$9.12K |
|
1796
Saic
SAIC
$4.72B
| $17K | ﹤0.01% |
196
-1,207
| -86% | -$105K |
|
1797
Sun Life Financial
SLF
$33.3B
| $17K | ﹤0.01% |
+430
| New | +$17K |
|
1798
StoneX
SNEX
$5.01B
| $17K | ﹤0.01% |
+475
| New | +$17K |
|
|
STKH
1799
Steakholder Foods
STKH
$21.8M
| $17K | ﹤0.01% |
+179
| New | +$17K |
|
1800
TriCo Bancshares
TCBK
$1.51B
| $17K | ﹤0.01% |
+400
| New | +$17K |
|