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 | |
|---|---|---|---|---|---|---|
1176
Baytex Energy
BTE
$1.82B
| $97K | ﹤0.01% |
37,753
-56,648
| -60% | -$146K |
|
1177
Plains GP Holdings
PAGP
$3.67B
| $97K | ﹤0.01% |
+5,307
| New | +$97K |
|
1178
Anavex Life Sciences
AVXL
$813M
| $96K | ﹤0.01% |
8,998
+2,242
| +33% | +$23.9K |
|
1179
CXApp
CXAI
$16.9M
| $96K | ﹤0.01% |
+53,239
| New | +$96K |
|
1180
FLEX LNG
FLNG
$1.36B
| $96K | ﹤0.01% |
4,186
+942
| +29% | +$21.6K |
|
1181
Home BancShares
HOMB
$5.77B
| $96K | ﹤0.01% |
+3,426
| New | +$96K |
|
1182
Innovative Industrial Properties
IIPR
$1.6B
| $96K | ﹤0.01% |
+1,453
| New | +$96K |
|
1183
Central Garden & Pet
CENT
$2.27B
| $95K | ﹤0.01% |
2,467
-5,303
| -68% | -$204K |
|
1184
Mission Produce
AVO
$837M
| $94K | ﹤0.01% |
+6,582
| New | +$94K |
|
1185
China Automotive Systems
CAAS
$138M
| $94K | ﹤0.01% |
23,106
+10,637
| +85% | +$43.3K |
|
1186
LKQ Corp
LKQ
$8.38B
| $94K | ﹤0.01% |
2,563
-31,032
| -92% | -$1.14M |
|
|
OBE
1187
Obsidian Energy
OBE
$407M
| $94K | ﹤0.01% |
16,325
+7,511
| +85% | +$43.2K |
|
1188
Select Medical
SEM
$1.58B
| $94K | ﹤0.01% |
5,026
+4,987
| +12,787% | +$93.3K |
|
1189
iShares Core MSCI Emerging Markets ETF
IEMG
$106B
| $93K | ﹤0.01% |
+1,786
| New | +$93K |
|
1190
LyondellBasell Industries
LYB
$17.5B
| $93K | ﹤0.01% |
1,261
-15,258
| -92% | -$1.13M |
|
1191
Asana
ASAN
$3.19B
| $92K | ﹤0.01% |
4,585
+2,544
| +125% | +$51K |
|
1192
iShares MSCI Turkey ETF
TUR
$160M
| $92K | ﹤0.01% |
2,589
-4,647
| -64% | -$165K |
|
1193
Under Armour Class C
UA
$2.11B
| $92K | ﹤0.01% |
12,428
-27,325
| -69% | -$202K |
|
1194
Arcosa
ACA
$4.78B
| $91K | ﹤0.01% |
946
+856
| +951% | +$82.3K |
|
|
SLI
1195
Standard Lithium
SLI
$600M
| $91K | ﹤0.01% |
62,397
+31,461
| +102% | +$45.9K |
|
1196
Invesco DB US Dollar Index Bearish Fund
UDN
$147M
| $91K | ﹤0.01% |
+5,492
| New | +$91K |
|
1197
WisdomTree Efficient Gold Plus Equity Strategy Fund
GDE
$323M
| $90K | ﹤0.01% |
+2,452
| New | +$90K |
|
1198
Direxion Daily MSCI India Bull 2X Shares
INDL
$68.3M
| $90K | ﹤0.01% |
1,523
-590
| -28% | -$34.9K |
|
1199
Companhia Siderúrgica Nacional
SID
$1.99B
| $90K | ﹤0.01% |
+62,809
| New | +$90K |
|
1200
Amer Sports
AS
$20.4B
| $90K | ﹤0.01% |
3,248
+1,118
| +52% | +$31K |
|