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 |
Energy Select Sector SPDR Fund
XLE
|
+$93.9M |
| 2 |
Pfizer
PFE
|
+$89.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Intel
INTC
|
+$60.2M |
| 5 |
Meta Platforms (Facebook)
META
|
+$52.5M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$146M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$109M |
| 3 |
Alibaba
BABA
|
+$81.8M |
| 4 |
Walt Disney
DIS
|
+$80.2M |
| 5 |
Citigroup
C
|
+$55.3M |
Sector Composition
| 1 | Technology | 19.03% |
| 2 | Healthcare | 13.86% |
| 3 | Consumer Discretionary | 12.44% |
| 4 | Industrials | 8.48% |
| 5 | Communication Services | 7.95% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1751
Abeona Therapeutics
ABEO
$290M
| $15K | ﹤0.01% |
2,154
-2,614
| -55% | -$18.2K |
|
1752
AngioDynamics
ANGO
$445M
| $15K | ﹤0.01% |
+2,721
| New | +$15K |
|
1753
ARKO Corp
ARKO
$566M
| $15K | ﹤0.01% |
2,683
+2,582
| +2,556% | +$14.4K |
|
1754
Aware
AWRE
$56.9M
| $15K | ﹤0.01% |
8,507
+7,339
| +628% | +$12.9K |
|
1755
Butterfly Network
BFLY
$433M
| $15K | ﹤0.01% |
+14,535
| New | +$15K |
|
1756
Bionano Genomics
BNGO
$8.38M
| $15K | ﹤0.01% |
+227
| New | +$15K |
|
1757
Ceragon Networks
CRNT
$217M
| $15K | ﹤0.01% |
+4,953
| New | +$15K |
|
|
DESP
1758
DELISTED
Despegar.com
DESP
| $15K | ﹤0.01% |
1,291
-27,276
| -95% | -$317K |
|
1759
Digimarc
DMRC
$229M
| $15K | ﹤0.01% |
571
-5,515
| -91% | -$145K |
|
1760
Embecta
EMBC
$888M
| $15K | ﹤0.01% |
1,189
+701
| +144% | +$8.84K |
|
1761
Enanta Pharmaceuticals
ENTA
$164M
| $15K | ﹤0.01% |
889
+150
| +20% | +$2.53K |
|
|
FINV
1762
FinVolution Group
FINV
$1.99B
| $15K | ﹤0.01% |
+3,170
| New | +$15K |
|
1763
Limoneira
LMNR
$274M
| $15K | ﹤0.01% |
778
-12,359
| -94% | -$238K |
|
1764
ODP
ODP
$665M
| $15K | ﹤0.01% |
+292
| New | +$15K |
|
1765
SiriusPoint
SPNT
$2.11B
| $15K | ﹤0.01% |
1,227
-1,118
| -48% | -$13.7K |
|
1766
Stoke Therapeutics
STOK
$1.27B
| $15K | ﹤0.01% |
1,156
-6,823
| -86% | -$88.5K |
|
1767
Trinity Industries
TRN
$2.28B
| $15K | ﹤0.01% |
+547
| New | +$15K |
|
1768
T-Rex 2X Inverse Tesla Daily Target ETF
TSLZ
$48.4M
| $15K | ﹤0.01% |
387
+232
| +150% | +$8.99K |
|
1769
Vanguard US Momentum Factor ETF
VFMO
$1.14B
| $15K | ﹤0.01% |
+100
| New | +$15K |
|
|
ALPP
1770
DELISTED
Alpine 4 Holdings, Inc. Common Stock
ALPP
| $15K | ﹤0.01% |
21,783
+465
| +2% | +$320 |
|
|
ICD
1771
DELISTED
Independence Contract Drilling, Inc.
ICD
| $15K | ﹤0.01% |
8,329
+7,117
| +587% | +$12.8K |
|
1772
Alpha and Omega Semiconductor
AOSL
$883M
| $14K | ﹤0.01% |
672
-2,089
| -76% | -$43.5K |
|
1773
JPMorgan BetaBuilders Canada ETF
BBCA
$8.92B
| $14K | ﹤0.01% |
210
+1
| +0.5% | +$67 |
|
1774
Barnes & Noble Education
BNED
$310M
| $14K | ﹤0.01% |
201
+1
| +0.5% | +$70 |
|
1775
Black Stone Minerals
BSM
$2.74B
| $14K | ﹤0.01% |
935
-20,932
| -96% | -$313K |
|