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
WEAT icon
851
Teucrium Wheat Fund
WEAT
$117M
$197K ﹤0.01%
34,577
+14,450
+72% +$82.3K
MTOR
852
DELISTED
MERITOR, Inc.
MTOR
$197K ﹤0.01%
9,442
-543
-5% -$11.3K
ERJ icon
853
Embraer
ERJ
$10.8B
$195K ﹤0.01%
44,389
+31,607
+247% +$139K
OFIX icon
854
Orthofix Medical
OFIX
$592M
$195K ﹤0.01%
+6,275
New +$195K
IRWD icon
855
Ironwood Pharmaceuticals
IRWD
$201M
$194K ﹤0.01%
21,640
-45,866
-68% -$411K
SMSI icon
856
Smith Micro Software
SMSI
$15.4M
$194K ﹤0.01%
6,525
+2,032
+45% +$60.4K
ACIW icon
857
ACI Worldwide
ACIW
$5.22B
$193K ﹤0.01%
+7,422
New +$193K
TPC
858
Tutor Perini Corporation
TPC
$3.32B
$193K ﹤0.01%
17,382
+5,311
+44% +$59K
RVNC
859
DELISTED
Revance Therapeutics, Inc.
RVNC
$193K ﹤0.01%
+7,690
New +$193K
AIMC
860
DELISTED
Altra Industrial Motion Corp.
AIMC
$193K ﹤0.01%
+5,223
New +$193K
OESX icon
861
Orion Energy Systems
OESX
$31.1M
$192K ﹤0.01%
2,538
+2,468
+3,526% +$187K
TPB icon
862
Turning Point Brands
TPB
$1.81B
$192K ﹤0.01%
6,904
+5,794
+522% +$161K
ANET icon
863
Arista Networks
ANET
$192B
$191K ﹤0.01%
14,800
-21,808
-60% -$281K
TBHC
864
The Brand House Collective, Inc. Common Stock
TBHC
$49.6M
$191K ﹤0.01%
23,322
+21,648
+1,293% +$177K
TMUS icon
865
T-Mobile US
TMUS
$272B
$191K ﹤0.01%
1,674
+1,274
+319% +$145K
HOLI
866
DELISTED
Hollsys Automation Technologies INTERNATIONAL, LTD. COMMON (British Virgin Island)
HOLI
$191K ﹤0.01%
17,346
+2,432
+16% +$26.8K
PRDO icon
867
Perdoceo Education
PRDO
$2.26B
$189K ﹤0.01%
+15,502
New +$189K
EDIT icon
868
Editas Medicine
EDIT
$244M
$188K ﹤0.01%
6,730
-9,425
-58% -$263K
FE icon
869
FirstEnergy
FE
$25.2B
$187K ﹤0.01%
+6,547
New +$187K
URA icon
870
Global X Uranium ETF
URA
$4.35B
$186K ﹤0.01%
16,736
-17,242
-51% -$192K
VAPO
871
DELISTED
Vapotherm, Inc. Common Stock
VAPO
$186K ﹤0.01%
806
+651
+420% +$150K
IWC icon
872
iShares Micro-Cap ETF
IWC
$956M
$184K ﹤0.01%
2,041
+1,020
+100% +$92K
ESCA icon
873
Escalade
ESCA
$173M
$184K ﹤0.01%
10,097
+9,525
+1,665% +$174K
INDB icon
874
Independent Bank
INDB
$3.5B
$183K ﹤0.01%
+3,511
New +$183K
WK icon
875
Workiva
WK
$4.39B
$183K ﹤0.01%
3,294
-2,309
-41% -$128K