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 |
Boeing
BA
|
$49.5M |
| 2 |
Pinduoduo
PDD
|
$45.3M |
| 3 |
Microsoft
MSFT
|
$42.5M |
| 4 |
Apple
AAPL
|
$33.3M |
| 5 |
Direxion Daily Semiconductor Bull 3X Shares
SOXL
|
$25.4M |
Top Sells
| 1 |
Broadcom
AVGO
|
$95.4M |
| 2 |
Citigroup
C
|
$57.9M |
| 3 |
Pfizer
PFE
|
$55.9M |
| 4 |
TSMC
TSM
|
$40.4M |
| 5 |
Starbucks
SBUX
|
$40.4M |
Sector Composition
| 1 | Technology | 23.11% |
| 2 | Consumer Discretionary | 16.53% |
| 3 | Healthcare | 8.58% |
| 4 | Industrials | 7.58% |
| 5 | Financials | 7.29% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
276
Edgewise Therapeutics
EWTX
$1.64B
| $1.98M | ﹤0.01% |
74,030
+71,296
| +2,608% | +$1.9M |
|
277
NexGen Energy
NXE
$4.46B
| $1.96M | ﹤0.01% |
299,976
-200,580
| -40% | -$1.31M |
|
278
Huntington Bancshares
HBAN
$25.7B
| $1.95M | ﹤0.01% |
132,586
-30,172
| -19% | -$444K |
|
279
Direxion Daily TSLA Bull 2X Shares
TSLL
$6.33B
| $1.95M | ﹤0.01% |
140,802
-178,552
| -56% | -$2.47M |
|
280
Pinnacle West Capital
PNW
$10.6B
| $1.91M | ﹤0.01% |
21,599
+18,499
| +597% | +$1.64M |
|
281
Darling Ingredients
DAR
$5.07B
| $1.9M | ﹤0.01% |
51,077
-94,388
| -65% | -$3.51M |
|
282
APA Corp
APA
$8.14B
| $1.9M | ﹤0.01% |
+77,520
| New | +$1.9M |
|
283
The Mosaic Company
MOS
$10.3B
| $1.9M | ﹤0.01% |
70,807
+21,771
| +44% | +$583K |
|
284
Vital Farms
VITL
$2.28B
| $1.9M | ﹤0.01% |
54,088
+50,578
| +1,441% | +$1.77M |
|
285
Advance Auto Parts
AAP
$3.63B
| $1.88M | ﹤0.01% |
+48,283
| New | +$1.88M |
|
286
Recursion Pharmaceuticals
RXRX
$2.01B
| $1.88M | ﹤0.01% |
284,713
+189,941
| +200% | +$1.25M |
|
287
Hormel Foods
HRL
$14.1B
| $1.87M | ﹤0.01% |
59,129
+28,665
| +94% | +$908K |
|
288
Vanguard FTSE Emerging Markets ETF
VWO
$97.2B
| $1.87M | ﹤0.01% |
+39,159
| New | +$1.87M |
|
289
Charter Communications
CHTR
$35.7B
| $1.87M | ﹤0.01% |
5,770
+3,787
| +191% | +$1.23M |
|
290
Incyte
INCY
$16.9B
| $1.87M | ﹤0.01% |
28,272
+10,097
| +56% | +$667K |
|
291
Frontdoor
FTDR
$4.59B
| $1.83M | ﹤0.01% |
+38,081
| New | +$1.83M |
|
292
FirstCash
FCFS
$6.53B
| $1.82M | ﹤0.01% |
15,896
+3,796
| +31% | +$436K |
|
293
BJs Wholesale Club
BJ
$12.8B
| $1.82M | ﹤0.01% |
22,013
-30,869
| -58% | -$2.55M |
|
294
Healthcare Realty
HR
$6.35B
| $1.81M | ﹤0.01% |
99,673
+21,651
| +28% | +$393K |
|
295
Groupon
GRPN
$971M
| $1.81M | ﹤0.01% |
184,957
+83,162
| +82% | +$813K |
|
296
WEC Energy
WEC
$34.7B
| $1.81M | ﹤0.01% |
18,777
+9,024
| +93% | +$867K |
|
297
Goldman Sachs
GS
$223B
| $1.8M | ﹤0.01% |
+3,642
| New | +$1.8M |
|
298
Pentair
PNR
$18.1B
| $1.8M | ﹤0.01% |
+18,438
| New | +$1.8M |
|
299
Evolv Technologies
EVLV
$1.39B
| $1.8M | ﹤0.01% |
444,601
-44,557
| -9% | -$180K |
|
300
Group 1 Automotive
GPI
$6.26B
| $1.79M | ﹤0.01% |
+4,685
| New | +$1.79M |
|