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
|
+$586M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$82.5M |
| 3 |
Intel
INTC
|
+$40.4M |
| 4 |
Invesco QQQ Trust
QQQ
|
+$39.4M |
| 5 |
Uber
UBER
|
+$36.3M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$130M |
| 2 |
Pinduoduo
PDD
|
+$95.7M |
| 3 |
Boeing
BA
|
+$56.2M |
| 4 |
KraneShares CSI China Internet ETF
KWEB
|
+$40.7M |
| 5 |
Microsoft
MSFT
|
+$40.5M |
Sector Composition
| 1 | Technology | 34.29% |
| 2 | Consumer Discretionary | 11.38% |
| 3 | Healthcare | 9.65% |
| 4 | Financials | 6.33% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
776
BJ's Restaurants
BJRI
$742M
| $334K | ﹤0.01% |
9,530
+6,525
| +217% | +$229K |
|
777
B2Gold
BTG
$5.6B
| $334K | ﹤0.01% |
137,030
-277,687
| -67% | -$677K |
|
|
JKS
778
JinkoSolar
JKS
$1.29B
| $334K | ﹤0.01% |
13,447
-28,169
| -68% | -$700K |
|
779
Bitdeer Technologies
BTDR
$2.96B
| $333K | ﹤0.01% |
+15,396
| New | +$333K |
|
780
Rocket Lab Corporation Common Stock
RKLB
$22.7B
| $333K | ﹤0.01% |
13,108
-28,723
| -69% | -$730K |
|
781
SM Energy
SM
$3B
| $330K | ﹤0.01% |
+8,533
| New | +$330K |
|
782
LendingTree
TREE
$1.01B
| $330K | ﹤0.01% |
8,527
+7,707
| +940% | +$298K |
|
|
EXK
783
Endeavour Silver
EXK
$1.71B
| $329K | ﹤0.01% |
89,965
+9,560
| +12% | +$35K |
|
784
Comtech Telecommunications
CMTL
$67.9M
| $327K | ﹤0.01% |
81,635
+56,667
| +227% | +$227K |
|
785
ProShares Ultra Financials
UYG
$871M
| $327K | ﹤0.01% |
+3,827
| New | +$327K |
|
786
Ventyx Biosciences
VTYX
$170M
| $327K | ﹤0.01% |
+149,554
| New | +$327K |
|
787
T-Rex 2X Long NVIDIA Daily Target ETF
NVDX
$613M
| $326K | ﹤0.01% |
23,311
+18,666
| +402% | +$261K |
|
|
WIMI
788
WiMi Hologram Cloud
WIMI
$41.6M
| $326K | ﹤0.01% |
+17,634
| New | +$326K |
|
789
Sonos
SONO
$1.81B
| $322K | ﹤0.01% |
21,463
+451
| +2% | +$6.77K |
|
|
NOVA
790
DELISTED
Sunnova Energy
NOVA
| $320K | ﹤0.01% |
+93,350
| New | +$320K |
|
791
Ambev
ABEV
$34.6B
| $315K | ﹤0.01% |
170,714
+105,200
| +161% | +$194K |
|
792
Amcor
AMCR
$18.9B
| $315K | ﹤0.01% |
+33,568
| New | +$315K |
|
793
Clean Energy Fuels
CLNE
$544M
| $314K | ﹤0.01% |
125,121
-53,758
| -30% | -$135K |
|
794
Invesco CurrencyShares Swiss Franc Trust
FXF
$378M
| $314K | ﹤0.01% |
3,215
-7,091
| -69% | -$693K |
|
795
Delek Logistics
DKL
$2.33B
| $313K | ﹤0.01% |
+7,419
| New | +$313K |
|
796
Old Dominion Freight Line
ODFL
$31.8B
| $312K | ﹤0.01% |
+1,770
| New | +$312K |
|
797
Pacira BioSciences
PCRX
$1.2B
| $312K | ﹤0.01% |
+16,592
| New | +$312K |
|
798
W.R. Berkley
WRB
$27.5B
| $311K | ﹤0.01% |
+5,331
| New | +$311K |
|
799
MINISO
MNSO
$7.91B
| $309K | ﹤0.01% |
12,954
-5,301
| -29% | -$126K |
|
800
B. Riley Financial
RILY
$156M
| $309K | ﹤0.01% |
+67,475
| New | +$309K |
|