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
GPMT
1326
Granite Point Mortgage Trust
GPMT
$142M
$52K ﹤0.01%
7,462
-5,964
-44% -$41.6K
KRYS icon
1327
Krystal Biotech
KRYS
$4.16B
$52K ﹤0.01%
1,231
+1,169
+1,885% +$49.4K
MATV icon
1328
Mativ Holdings
MATV
$674M
$52K ﹤0.01%
1,741
+1,608
+1,209% +$48K
SVC
1329
Service Properties Trust
SVC
$476M
$52K ﹤0.01%
6,548
-6,000
-48% -$47.6K
VXF icon
1330
Vanguard Extended Market ETF
VXF
$24.2B
$52K ﹤0.01%
408
-135
-25% -$17.2K
EPZM
1331
DELISTED
Epizyme, Inc
EPZM
$52K ﹤0.01%
4,413
-2,676
-38% -$31.5K
XLNX
1332
DELISTED
Xilinx Inc
XLNX
$52K ﹤0.01%
500
-6,299
-93% -$655K
CVI icon
1333
CVR Energy
CVI
$3.13B
$51K ﹤0.01%
4,122
+2,238
+119% +$27.7K
GAN
1334
DELISTED
GAN Ltd
GAN
$51K ﹤0.01%
3,073
-2,376
-44% -$39.4K
MODV
1335
DELISTED
ModivCare
MODV
$51K ﹤0.01%
+557
New +$51K
NWG icon
1336
NatWest
NWG
$58.2B
$51K ﹤0.01%
17,880
-15,097
-46% -$43.1K
PUK icon
1337
Prudential
PUK
$35.5B
$51K ﹤0.01%
1,848
-6,836
-79% -$189K
HT
1338
DELISTED
Hersha Hospitality Trust Priority Class A Common Shares of Beneficial Interest
HT
$51K ﹤0.01%
9,333
+4,552
+95% +$24.9K
FOUR icon
1339
Shift4
FOUR
$6B
$50K ﹤0.01%
+1,038
New +$50K
HIMX
1340
Himax Technologies
HIMX
$1.44B
$50K ﹤0.01%
14,221
-18,074
-56% -$63.5K
ONIT
1341
Onity Group Inc.
ONIT
$367M
$50K ﹤0.01%
2,407
+2,104
+694% +$43.7K
MIK
1342
DELISTED
Michaels Stores, Inc
MIK
$50K ﹤0.01%
+5,208
New +$50K
OXM icon
1343
Oxford Industries
OXM
$701M
$49K ﹤0.01%
1,226
-104
-8% -$4.16K
AIOT
1344
PowerFleet, Inc. Common Stock
AIOT
$701M
$49K ﹤0.01%
8,708
+3,824
+78% +$21.5K
NTUS
1345
DELISTED
Natus Medical Inc
NTUS
$49K ﹤0.01%
2,902
+2,618
+922% +$44.2K
TVTY
1346
DELISTED
Tivity Health, Inc. Common Stock
TVTY
$49K ﹤0.01%
3,562
+1,184
+50% +$16.3K
EPAY
1347
DELISTED
Bottomline Technologies Inc
EPAY
$49K ﹤0.01%
1,174
-5,109
-81% -$213K
BLNK icon
1348
Blink Charging
BLNK
$153M
$47K ﹤0.01%
4,573
-8,299
-64% -$85.3K
DLTH icon
1349
Duluth Holdings
DLTH
$133M
$47K ﹤0.01%
3,919
-8,506
-68% -$102K
NDLS icon
1350
Noodles & Co
NDLS
$30.7M
$47K ﹤0.01%
+6,973
New +$47K