Simplex Trading

Simplex Trading Portfolio holdings

AUM $3.72B
1-Year Return 0.6%
 

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.

This Quarter Return
+0.12%
1 Year Return
+0.6%
3 Year Return
+1.23%
5 Year Return
+2.7%
10 Year Return
+32.99%
AUM
$2.97B
AUM Growth
-$146M
Cap. Flow
-$238M
Cap. Flow %
-8.02%
Top 10 Hldgs %
21.67%
Holding
4,428
New
775
Increased
698
Reduced
811
Closed
884

Top Sells

1
AVGO icon
Broadcom
AVGO
+$95.4M
2
C icon
Citigroup
C
+$57.9M
3
PFE icon
Pfizer
PFE
+$55.9M
4
TSM icon
TSMC
TSM
+$40.4M
5
SBUX icon
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
MUX icon
401
McEwen Inc.
MUX
$734M
$1.19M ﹤0.01%
127,921
+7,079
+6% +$65.8K
SCHD icon
402
Schwab US Dividend Equity ETF
SCHD
$71.5B
$1.18M ﹤0.01%
42,051
+19,344
+85% +$545K
FRPT icon
403
Freshpet
FRPT
$2.72B
$1.18M ﹤0.01%
8,649
+3,733
+76% +$510K
WULF icon
404
TeraWulf
WULF
$4.04B
$1.18M ﹤0.01%
252,489
-66,545
-21% -$311K
CGC
405
Canopy Growth
CGC
$452M
$1.18M ﹤0.01%
+244,061
New +$1.18M
QSR icon
406
Restaurant Brands International
QSR
$20.3B
$1.17M ﹤0.01%
16,155
+10,007
+163% +$722K
IQ icon
407
iQIYI
IQ
$2.69B
$1.15M ﹤0.01%
+403,372
New +$1.15M
TALO icon
408
Talos Energy
TALO
$1.65B
$1.15M ﹤0.01%
+111,495
New +$1.15M
HPE icon
409
Hewlett Packard
HPE
$31.5B
$1.14M ﹤0.01%
55,930
-358,749
-87% -$7.34M
NN icon
410
NextNav
NN
$2.2B
$1.13M ﹤0.01%
151,478
-84,522
-36% -$633K
VICR icon
411
Vicor
VICR
$2.27B
$1.13M ﹤0.01%
+26,919
New +$1.13M
ALGT icon
412
Allegiant Air
ALGT
$1.15B
$1.12M ﹤0.01%
20,397
+18,105
+790% +$997K
JKS
413
JinkoSolar
JKS
$1.29B
$1.12M ﹤0.01%
+41,616
New +$1.12M
AR icon
414
Antero Resources
AR
$9.94B
$1.1M ﹤0.01%
38,350
+29,150
+317% +$835K
NOK icon
415
Nokia
NOK
$24.7B
$1.1M ﹤0.01%
251,279
-91,769
-27% -$401K
LZ icon
416
LegalZoom.com
LZ
$1.87B
$1.1M ﹤0.01%
172,910
+141,735
+455% +$899K
DNN icon
417
Denison Mines
DNN
$2.14B
$1.1M ﹤0.01%
599,272
+215,360
+56% +$394K
CW icon
418
Curtiss-Wright
CW
$18.2B
$1.09M ﹤0.01%
3,325
+3,258
+4,863% +$1.07M
PAAS icon
419
Pan American Silver
PAAS
$14.9B
$1.08M ﹤0.01%
51,982
-104,262
-67% -$2.17M
FXF icon
420
Invesco CurrencyShares Swiss Franc Trust
FXF
$378M
$1.08M ﹤0.01%
+10,306
New +$1.08M
STNE icon
421
StoneCo
STNE
$4.78B
$1.06M ﹤0.01%
93,710
-104,533
-53% -$1.18M
TEVA icon
422
Teva Pharmaceuticals
TEVA
$22.6B
$1.05M ﹤0.01%
57,994
-238,474
-80% -$4.3M
ZS icon
423
Zscaler
ZS
$43.8B
$1.04M ﹤0.01%
+6,097
New +$1.04M
OHI icon
424
Omega Healthcare
OHI
$12.8B
$1.04M ﹤0.01%
25,508
+1,423
+6% +$57.9K
PBF icon
425
PBF Energy
PBF
$3.29B
$1.02M ﹤0.01%
33,028
-34,761
-51% -$1.08M