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 | |
|---|---|---|---|---|---|---|
701
uniQure
QURE
$761M
| $439K | ﹤0.01% |
84,587
+62,988
| +292% | +$327K |
|
702
Lumen
LUMN
$5.86B
| $436K | ﹤0.01% |
+279,510
| New | +$436K |
|
703
Informatica
INFA
$7.58B
| $435K | ﹤0.01% |
+12,456
| New | +$435K |
|
704
XPEL
XPEL
$917M
| $434K | ﹤0.01% |
8,039
+4,999
| +164% | +$270K |
|
705
ADT
ADT
$7.03B
| $433K | ﹤0.01% |
64,533
-109,465
| -63% | -$734K |
|
706
JELD-WEN Holding
JELD
$473M
| $432K | ﹤0.01% |
20,386
+19,111
| +1,499% | +$405K |
|
707
FibroGen
FGEN
$45.7M
| $429K | ﹤0.01% |
7,307
+6,324
| +643% | +$371K |
|
708
Nabors Industries
NBR
$548M
| $429K | ﹤0.01% |
4,985
-198
| -4% | -$17K |
|
709
Spectrum Brands
SPB
$1.27B
| $429K | ﹤0.01% |
4,820
-12,592
| -72% | -$1.12M |
|
710
ChargePoint
CHPT
$253M
| $428K | ﹤0.01% |
+11,285
| New | +$428K |
|
|
HIBB
711
DELISTED
Hibbett, Inc. Common Stock
HIBB
| $425K | ﹤0.01% |
5,537
-1,828
| -25% | -$140K |
|
712
VirTra
VTSI
$60.5M
| $423K | ﹤0.01% |
41,244
+14,477
| +54% | +$148K |
|
713
Perimeter Solutions
PRM
$3.21B
| $421K | ﹤0.01% |
56,814
+31,774
| +127% | +$235K |
|
714
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$2.29B
| $418K | ﹤0.01% |
17,394
+6,806
| +64% | +$164K |
|
715
Bausch + Lomb
BLCO
$5.38B
| $417K | ﹤0.01% |
+24,120
| New | +$417K |
|
716
Equinix
EQIX
$77.4B
| $417K | ﹤0.01% |
+506
| New | +$417K |
|
|
BORR
717
Borr Drilling
BORR
$844M
| $416K | ﹤0.01% |
60,820
-26,007
| -30% | -$178K |
|
718
Amkor Technology
AMKR
$7B
| $415K | ﹤0.01% |
12,886
-28,519
| -69% | -$918K |
|
719
AvePoint
AVPT
$3.32B
| $415K | ﹤0.01% |
52,470
+4,933
| +10% | +$39K |
|
720
Check Point Software Technologies
CHKP
$21.2B
| $415K | ﹤0.01% |
2,536
-81,033
| -97% | -$13.3M |
|
721
SiriusXM
SIRI
$7.79B
| $415K | ﹤0.01% |
10,705
-3,240
| -23% | -$126K |
|
|
JMIA
722
Jumia Technologies
JMIA
$1.42B
| $414K | ﹤0.01% |
81,029
-40,751
| -33% | -$208K |
|
723
HNI Corp
HNI
$2.09B
| $412K | ﹤0.01% |
9,142
+3,350
| +58% | +$151K |
|
724
GraniteShares ETF Trust GraniteShares 2x Long NVDA Daily ETF
NVDL
$4.25B
| $412K | ﹤0.01% |
+9,939
| New | +$412K |
|
725
Kratos Defense & Security Solutions
KTOS
$13.6B
| $408K | ﹤0.01% |
+22,200
| New | +$408K |
|