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 | |
|---|---|---|---|---|---|---|
401
SPDR S&P Regional Banking ETF
KRE
$3.99B
| $1.15M | ﹤0.01% |
+19,067
| New | +$1.15M |
|
402
Freshworks
FRSH
$3.74B
| $1.14M | ﹤0.01% |
70,741
+54,409
| +333% | +$879K |
|
403
Groupon
GRPN
$971M
| $1.14M | ﹤0.01% |
93,678
-91,279
| -49% | -$1.11M |
|
404
Alnylam Pharmaceuticals
ALNY
$59.4B
| $1.14M | ﹤0.01% |
+4,829
| New | +$1.14M |
|
405
Coupang
CPNG
$52.7B
| $1.14M | ﹤0.01% |
51,659
-66,244
| -56% | -$1.46M |
|
406
Avis
CAR
$5.5B
| $1.13M | ﹤0.01% |
14,034
+27
| +0.2% | +$2.18K |
|
407
GE Vernova
GEV
$158B
| $1.12M | ﹤0.01% |
+3,410
| New | +$1.12M |
|
408
The GEO Group
GEO
$2.92B
| $1.12M | ﹤0.01% |
+40,049
| New | +$1.12M |
|
409
Beyond Meat
BYND
$189M
| $1.12M | ﹤0.01% |
297,844
+236,382
| +385% | +$888K |
|
410
Clearwater Paper
CLW
$354M
| $1.12M | ﹤0.01% |
37,536
+34,695
| +1,221% | +$1.03M |
|
411
TripAdvisor
TRIP
$2.05B
| $1.12M | ﹤0.01% |
75,515
+31,782
| +73% | +$469K |
|
412
Hawaiian Electric Industries
HE
$2.12B
| $1.11M | ﹤0.01% |
114,249
-94,965
| -45% | -$923K |
|
|
PARA
413
DELISTED
Paramount Global Class B
PARA
| $1.1M | ﹤0.01% |
105,614
-239,278
| -69% | -$2.5M |
|
414
Transocean
RIG
$2.9B
| $1.1M | ﹤0.01% |
294,560
-1,216,407
| -81% | -$4.56M |
|
415
Rockwell Automation
ROK
$38.2B
| $1.1M | ﹤0.01% |
3,865
+583
| +18% | +$167K |
|
|
416
Microsoft
MSFT
$3.68T
| $1.09M | ﹤0.01% |
2,596
-96,144
| -97% | -$40.5M |
|
417
Evolv Technologies
EVLV
$1.39B
| $1.09M | ﹤0.01% |
276,085
-168,516
| -38% | -$665K |
|
418
Cirrus Logic
CRUS
$5.94B
| $1.09M | ﹤0.01% |
+10,933
| New | +$1.09M |
|
419
Dropbox
DBX
$8.06B
| $1.08M | ﹤0.01% |
35,963
-29,981
| -45% | -$900K |
|
420
Tradr 1.25X NVDA Bear Daily ETF
NVDS
$68.1M
| $1.08M | ﹤0.01% |
42,477
+3,662
| +9% | +$93K |
|
421
Nextracker
NXT
$10.4B
| $1.07M | ﹤0.01% |
29,407
-13,067
| -31% | -$477K |
|
422
EPAM Systems
EPAM
$9.44B
| $1.07M | ﹤0.01% |
4,569
+707
| +18% | +$165K |
|
423
Corebridge Financial
CRBG
$18.1B
| $1.07M | ﹤0.01% |
+35,677
| New | +$1.07M |
|
424
FirstEnergy
FE
$25.1B
| $1.07M | ﹤0.01% |
+26,809
| New | +$1.07M |
|
425
FTAI Aviation
FTAI
$15.8B
| $1.07M | ﹤0.01% |
+7,399
| New | +$1.07M |
|