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
|
+$45.7M |
| 2 |
Walmart
WMT
|
+$45.2M |
| 3 |
VanEck Oil Services ETF
OIH
|
+$34.2M |
| 4 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$33.2M |
| 5 |
Citigroup
C
|
+$32.7M |
Top Sells
| 1 |
Amazon
AMZN
|
+$164M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$111M |
| 3 |
NVIDIA
NVDA
|
+$77.7M |
| 4 |
Meta Platforms (Facebook)
META
|
+$60.9M |
| 5 |
Procter & Gamble
PG
|
+$38.8M |
Sector Composition
| 1 | Technology | 21.73% |
| 2 | Consumer Discretionary | 10.23% |
| 3 | Healthcare | 8.76% |
| 4 | Industrials | 7.59% |
| 5 | Communication Services | 6.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
SVM
651
Silvercorp Metals
SVM
$1.09B
| $325K | ﹤0.01% |
85,188
+15,465
| +22% | +$59K |
|
652
Arch Capital
ACGL
$33.9B
| $324K | ﹤0.01% |
4,785
-33,818
| -88% | -$2.29M |
|
653
Cirrus Logic
CRUS
$6.03B
| $323K | ﹤0.01% |
+2,958
| New | +$323K |
|
|
RDUS
654
DELISTED
Radius Recycling
RDUS
| $323K | ﹤0.01% |
+10,390
| New | +$323K |
|
655
UroGen Pharma
URGN
$991M
| $323K | ﹤0.01% |
34,961
+31,661
| +959% | +$293K |
|
656
NextEra Energy, Inc.
NEE
$144B
| $319K | ﹤0.01% |
4,150
-89,078
| -96% | -$6.85M |
|
|
PLL
657
DELISTED
Piedmont Lithium
PLL
| $319K | ﹤0.01% |
+5,314
| New | +$319K |
|
658
Vista Energy
VIST
$3.65B
| $319K | ﹤0.01% |
+16,128
| New | +$319K |
|
659
WisdomTree Emerging Markets High Dividend Fund
DEM
$3.15B
| $318K | ﹤0.01% |
8,412
-844
| -9% | -$31.9K |
|
660
TORM
TRMD
$2.29B
| $317K | ﹤0.01% |
10,201
-603
| -6% | -$18.7K |
|
661
Fresenius Medical Care
FMS
$14.7B
| $315K | ﹤0.01% |
14,860
-4,069
| -21% | -$86.3K |
|
|
JNPR
662
DELISTED
Juniper Networks
JNPR
| $314K | ﹤0.01% |
+9,130
| New | +$314K |
|
663
Innodata
INOD
$1.52B
| $313K | ﹤0.01% |
+36,678
| New | +$313K |
|
664
Vertex
VERX
$4.14B
| $312K | ﹤0.01% |
+15,082
| New | +$312K |
|
665
Western Midstream Partners
WES
$14.5B
| $311K | ﹤0.01% |
11,808
+9,840
| +500% | +$259K |
|
666
Sysco
SYY
$39B
| $310K | ﹤0.01% |
+4,015
| New | +$310K |
|
667
Blink Charging
BLNK
$126M
| $308K | ﹤0.01% |
35,628
+33,728
| +1,775% | +$292K |
|
668
Terex
TEX
$3.46B
| $308K | ﹤0.01% |
+6,375
| New | +$308K |
|
669
Hydrofarm Holdings
HYFM
$15.2M
| $306K | ﹤0.01% |
17,710
+16,385
| +1,237% | +$283K |
|
|
GPP
670
DELISTED
Green Plains Partners LP
GPP
| $306K | ﹤0.01% |
24,110
+20,052
| +494% | +$254K |
|
671
CyberArk
CYBR
$23.6B
| $302K | ﹤0.01% |
2,043
-1,040
| -34% | -$154K |
|
672
Oppenheimer Holdings
OPY
$767M
| $302K | ﹤0.01% |
+7,726
| New | +$302K |
|
673
Vail Resorts
MTN
$5.64B
| $301K | ﹤0.01% |
+1,289
| New | +$301K |
|
674
Bain Capital Specialty
BCSF
$1.02B
| $300K | ﹤0.01% |
25,222
-31,266
| -55% | -$372K |
|
675
Herbalife
HLF
$1.02B
| $300K | ﹤0.01% |
18,644
+18,544
| +18,544% | +$298K |
|