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
CPER icon
351
United States Copper Index Fund
CPER
$217M
$1.45M ﹤0.01%
+51,310
New +$1.45M
CXW icon
352
CoreCivic
CXW
$2.1B
$1.45M ﹤0.01%
114,923
+86,688
+307% +$1.1M
FOXA icon
353
Fox Class A
FOXA
$27.8B
$1.45M ﹤0.01%
34,316
-35,996
-51% -$1.52M
ES icon
354
Eversource Energy
ES
$23.3B
$1.45M ﹤0.01%
21,311
+14,715
+223% +$1M
TIGR
355
UP Fintech Holding
TIGR
$2.12B
$1.45M ﹤0.01%
270,785
-207,761
-43% -$1.11M
ICLN icon
356
iShares Global Clean Energy ETF
ICLN
$1.56B
$1.41M ﹤0.01%
96,121
+58,473
+155% +$859K
AXSM icon
357
Axsome Therapeutics
AXSM
$6.27B
$1.41M ﹤0.01%
15,656
+7,036
+82% +$632K
HSIC icon
358
Henry Schein
HSIC
$8.21B
$1.4M ﹤0.01%
19,258
+18,425
+2,212% +$1.34M
RL icon
359
Ralph Lauren
RL
$18.7B
$1.39M ﹤0.01%
7,181
+3,811
+113% +$739K
LBTYA icon
360
Liberty Global Class A
LBTYA
$3.99B
$1.37M ﹤0.01%
65,089
-13,066
-17% -$276K
IMVT icon
361
Immunovant
IMVT
$2.86B
$1.37M ﹤0.01%
48,191
-8,770
-15% -$250K
TME icon
362
Tencent Music
TME
$38.9B
$1.37M ﹤0.01%
+113,839
New +$1.37M
FHN icon
363
First Horizon
FHN
$11.3B
$1.37M ﹤0.01%
+88,153
New +$1.37M
MOO icon
364
VanEck Agribusiness ETF
MOO
$625M
$1.37M ﹤0.01%
18,096
-2,247
-11% -$170K
NVDS icon
365
Tradr 1.25X NVDA Bear Daily ETF
NVDS
$51.9M
$1.37M ﹤0.01%
38,815
+34,626
+827% +$1.22M
CCI icon
366
Crown Castle
CCI
$40.9B
$1.36M ﹤0.01%
+11,471
New +$1.36M
TRP icon
367
TC Energy
TRP
$53.9B
$1.36M ﹤0.01%
28,593
+11,582
+68% +$550K
BURL icon
368
Burlington
BURL
$18.3B
$1.35M ﹤0.01%
5,118
+3,857
+306% +$1.02M
SIL icon
369
Global X Silver Miners ETF NEW
SIL
$3.01B
$1.34M ﹤0.01%
38,275
+4,474
+13% +$157K
LKQ icon
370
LKQ Corp
LKQ
$8.39B
$1.34M ﹤0.01%
33,595
+6,631
+25% +$265K
VOYA icon
371
Voya Financial
VOYA
$7.3B
$1.33M ﹤0.01%
16,777
+14,699
+707% +$1.16M
HSY icon
372
Hershey
HSY
$38B
$1.33M ﹤0.01%
+6,926
New +$1.33M
XIFR
373
XPLR Infrastructure, LP
XIFR
$939M
$1.33M ﹤0.01%
+48,062
New +$1.33M
EQNR icon
374
Equinor
EQNR
$61.2B
$1.32M ﹤0.01%
51,994
+45,777
+736% +$1.16M
SOC icon
375
Sable Offshore Corp
SOC
$2B
$1.31M ﹤0.01%
+55,382
New +$1.31M