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
+0.17%
1 Year Return
+0.6%
3 Year Return
+1.23%
5 Year Return
+2.7%
10 Year Return
+32.99%
AUM
$3.43B
AUM Growth
+$219M
Cap. Flow
+$41.4M
Cap. Flow %
1.21%
Top 10 Hldgs %
19.21%
Holding
4,539
New
899
Increased
725
Reduced
751
Closed
951

Sector Composition

1 Technology 19.03%
2 Healthcare 13.86%
3 Consumer Discretionary 12.44%
4 Industrials 8.48%
5 Communication Services 7.95%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
DPST icon
876
Direxion Daily Regional Banks Bull 3X Shares
DPST
$722M
$263K ﹤0.01%
+3,311
New +$263K
NVTS icon
877
Navitas Semiconductor
NVTS
$1.49B
$262K ﹤0.01%
55,130
-4,497
-8% -$21.4K
SVIX icon
878
-1x Short VIX Futures ETF
SVIX
$198M
$261K ﹤0.01%
6,171
-6,716
-52% -$284K
INFN
879
DELISTED
Infinera Corporation Common Stock
INFN
$261K ﹤0.01%
43,406
+3,761
+9% +$22.6K
JANX icon
880
Janux Therapeutics
JANX
$1.41B
$260K ﹤0.01%
+6,909
New +$260K
BSX icon
881
Boston Scientific
BSX
$145B
$259K ﹤0.01%
+3,783
New +$259K
MO icon
882
Altria Group
MO
$109B
$259K ﹤0.01%
+5,957
New +$259K
AQN icon
883
Algonquin Power & Utilities
AQN
$4.21B
$258K ﹤0.01%
40,870
-257
-0.6% -$1.62K
BITQ icon
884
Bitwise Crypto Industry Innovators ETF
BITQ
$384M
$258K ﹤0.01%
19,642
+10,934
+126% +$144K
LQDA icon
885
Liquidia Corp
LQDA
$2.05B
$258K ﹤0.01%
17,513
-82,938
-83% -$1.22M
MMSI icon
886
Merit Medical Systems
MMSI
$4.95B
$258K ﹤0.01%
3,406
+2,846
+508% +$216K
BPMC
887
DELISTED
Blueprint Medicines
BPMC
$257K ﹤0.01%
+2,715
New +$257K
ASTS icon
888
AST SpaceMobile
ASTS
$12.1B
$256K ﹤0.01%
88,286
-86,254
-49% -$250K
NOAH
889
Noah Holdings
NOAH
$772M
$256K ﹤0.01%
22,454
+16,487
+276% +$188K
ARQT icon
890
Arcutis Biotherapeutics
ARQT
$2.08B
$255K ﹤0.01%
25,795
-30,023
-54% -$297K
IMMR icon
891
Immersion
IMMR
$239M
$255K ﹤0.01%
+34,213
New +$255K
SIMO icon
892
Silicon Motion
SIMO
$3.14B
$255K ﹤0.01%
+3,320
New +$255K
AKRO icon
893
Akero Therapeutics
AKRO
$3.62B
$254K ﹤0.01%
+10,088
New +$254K
HEI icon
894
HEICO Corp
HEI
$44.4B
$254K ﹤0.01%
+1,331
New +$254K
OKLO
895
Oklo
OKLO
$20B
$254K ﹤0.01%
+22,297
New +$254K
WBS icon
896
Webster Financial
WBS
$10.2B
$253K ﹤0.01%
4,988
-20,690
-81% -$1.05M
WEAT icon
897
Teucrium Wheat Fund
WEAT
$119M
$252K ﹤0.01%
46,637
-152,166
-77% -$822K
ACCD
898
DELISTED
Accolade, Inc. Common Stock
ACCD
$252K ﹤0.01%
24,077
-68,571
-74% -$718K
IPO icon
899
Renaissance IPO ETF
IPO
$191M
$250K ﹤0.01%
6,030
+2,977
+98% +$123K
OMER icon
900
Omeros
OMER
$284M
$250K ﹤0.01%
+72,477
New +$250K