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
+0.31%
1 Year Return
+0.6%
3 Year Return
+1.23%
5 Year Return
+2.7%
10 Year Return
+32.99%
AUM
$1.8B
AUM Growth
-$216M
Cap. Flow
-$359M
Cap. Flow %
-19.98%
Top 10 Hldgs %
22.12%
Holding
3,846
New
783
Increased
708
Reduced
678
Closed
653

Top Buys

1
AMZN icon
Amazon
AMZN
+$102M
2
TSM icon
TSMC
TSM
+$29.6M
3
JPM icon
JPMorgan Chase
JPM
+$21.9M
4
BA icon
Boeing
BA
+$18.8M
5
TGT icon
Target
TGT
+$13.5M

Sector Composition

1 Consumer Discretionary 21.73%
2 Technology 16.48%
3 Healthcare 9.06%
4 Financials 8.3%
5 Communication Services 7.51%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
OLN icon
776
Olin
OLN
$3.07B
$243K ﹤0.01%
19,707
+390
+2% +$4.81K
CMRE icon
777
Costamare
CMRE
$1.46B
$242K ﹤0.01%
39,917
+15,256
+62% +$92.5K
BHC icon
778
Bausch Health
BHC
$2.68B
$241K ﹤0.01%
15,519
-68,708
-82% -$1.07M
SPWH icon
779
Sportsman's Warehouse
SPWH
$118M
$238K ﹤0.01%
16,655
+15,719
+1,679% +$225K
SCO icon
780
ProShares UltraShort Bloomberg Crude Oil
SCO
$125M
$237K ﹤0.01%
709
-911
-56% -$305K
SUM
781
DELISTED
Summit Materials, Inc. Class A Common Stock
SUM
$237K ﹤0.01%
14,604
+7,936
+119% +$129K
SRG
782
Seritage Growth Properties
SRG
$249M
$236K ﹤0.01%
17,603
+10,088
+134% +$135K
ITA icon
783
iShares US Aerospace & Defense ETF
ITA
$9.29B
$235K ﹤0.01%
2,972
-52,592
-95% -$4.16M
SAIL
784
DELISTED
SailPoint Technologies Holdings, Inc. Common Stock
SAIL
$235K ﹤0.01%
5,948
+5,121
+619% +$202K
EHC icon
785
Encompass Health
EHC
$12.7B
$234K ﹤0.01%
4,538
+2,714
+149% +$140K
GEL icon
786
Genesis Energy
GEL
$2.02B
$234K ﹤0.01%
52,216
+50,452
+2,860% +$226K
LAKE icon
787
Lakeland Industries
LAKE
$137M
$234K ﹤0.01%
+11,852
New +$234K
GLOB icon
788
Globant
GLOB
$2.57B
$233K ﹤0.01%
1,304
-2,808
-68% -$502K
HIW icon
789
Highwoods Properties
HIW
$3.48B
$233K ﹤0.01%
+6,964
New +$233K
PBF icon
790
PBF Energy
PBF
$3.32B
$231K ﹤0.01%
40,633
-26,302
-39% -$150K
PBCT
791
DELISTED
People's United Financial Inc
PBCT
$229K ﹤0.01%
22,260
+11,178
+101% +$115K
AMSC icon
792
American Superconductor
AMSC
$2.43B
$228K ﹤0.01%
15,771
+13,694
+659% +$198K
ZYXI icon
793
Zynex
ZYXI
$46.4M
$228K ﹤0.01%
14,395
+5,516
+62% +$87.4K
SOXL icon
794
Direxion Daily Semiconductor Bull 3X Shares
SOXL
$13.1B
$227K ﹤0.01%
13,500
-11,625
-46% -$195K
VOYA icon
795
Voya Financial
VOYA
$7.35B
$227K ﹤0.01%
+4,738
New +$227K
DRN icon
796
Direxion Daily Real Estate Bull 3X Shares
DRN
$67M
$225K ﹤0.01%
22,459
+17,541
+357% +$176K
PERI icon
797
Perion Network
PERI
$421M
$224K ﹤0.01%
32,143
+12,750
+66% +$88.9K
VSTO
798
DELISTED
Vista Outdoor Inc.
VSTO
$224K ﹤0.01%
+11,146
New +$224K
APT icon
799
Alpha Pro Tech
APT
$51.6M
$223K ﹤0.01%
15,108
+4,630
+44% +$68.3K
BBT
800
Beacon Financial Corporation
BBT
$2.2B
$223K ﹤0.01%
+22,120
New +$223K