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 | |
|---|---|---|---|---|---|---|
1701
American Well
AMWL
$105M
| $18K | ﹤0.01% |
1,165
+731
| +168% | +$11.3K |
|
1702
Cue Biopharma
CUE
$57.1M
| $18K | ﹤0.01% |
+9,531
| New | +$18K |
|
1703
Dragonfly Energy
DFLI
$17.9M
| $18K | ﹤0.01% |
3,818
+2,350
| +160% | +$11.1K |
|
1704
Epsilon Energy
EPSN
$116M
| $18K | ﹤0.01% |
+3,336
| New | +$18K |
|
1705
Full House Resorts
FLL
$125M
| $18K | ﹤0.01% |
3,385
-13,238
| -80% | -$70.4K |
|
1706
Galectin Therapeutics
GALT
$299M
| $18K | ﹤0.01% |
7,877
+917
| +13% | +$2.1K |
|
1707
Gannett
GCI
$635M
| $18K | ﹤0.01% |
7,507
-41,013
| -85% | -$98.3K |
|
1708
Ingles Markets
IMKTA
$1.34B
| $18K | ﹤0.01% |
+244
| New | +$18K |
|
1709
OPAL Fuels
OPAL
$62.3M
| $18K | ﹤0.01% |
3,672
-243
| -6% | -$1.19K |
|
1710
SGHC Ltd
SGHC
$6B
| $18K | ﹤0.01% |
5,445
+387
| +8% | +$1.28K |
|
1711
Shenandoah Telecom
SHEN
$779M
| $18K | ﹤0.01% |
1,048
+562
| +116% | +$9.65K |
|
1712
Simpson Manufacturing
SSD
$7.62B
| $18K | ﹤0.01% |
+88
| New | +$18K |
|
1713
U-Haul Holding Co
UHAL
$10.7B
| $18K | ﹤0.01% |
+267
| New | +$18K |
|
1714
Telefônica Brasil
VIV
$20.4B
| $18K | ﹤0.01% |
+2,188
| New | +$18K |
|
|
XELA
1715
DELISTED
Exela Technologies, Inc. Common Stock
XELA
| $18K | ﹤0.01% |
+5,775
| New | +$18K |
|
|
FM
1716
DELISTED
iShares Frontier and Select EM ETF
FM
| $18K | ﹤0.01% |
+629
| New | +$18K |
|
1717
Brilliant Earth
BRLT
$37.3M
| $17K | ﹤0.01% |
5,903
+5,121
| +655% | +$14.7K |
|
1718
Broadwind
BWEN
$50M
| $17K | ﹤0.01% |
+7,159
| New | +$17K |
|
1719
Global X MSCI China Consumer Discretionary ETF
CHIQ
$252M
| $17K | ﹤0.01% |
+1,018
| New | +$17K |
|
1720
Core Laboratories
CLB
$602M
| $17K | ﹤0.01% |
1,039
-7,795
| -88% | -$128K |
|
1721
Houston American Energy
HUSA
$228M
| $17K | ﹤0.01% |
1,334
-1,673
| -56% | -$21.3K |
|
|
LX
1722
LexinFintech Holdings
LX
$961M
| $17K | ﹤0.01% |
+9,574
| New | +$17K |
|
1723
AdvisorShares MSOS 2X Daily ETF
MSOX
$43.8M
| $17K | ﹤0.01% |
+142
| New | +$17K |
|
1724
Paychex
PAYX
$47.5B
| $17K | ﹤0.01% |
145
-17,291
| -99% | -$2.03M |
|
1725
Global X US Preferred ETF
PFFD
$2.39B
| $17K | ﹤0.01% |
849
-2,859
| -77% | -$57.2K |
|