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
BCSF icon
1551
Bain Capital Specialty
BCSF
$1B
$23K ﹤0.01%
2,308
+1,599
+226% +$15.9K
EEFT icon
1552
Euronet Worldwide
EEFT
$3.6B
$23K ﹤0.01%
257
-1,266
-83% -$113K
CBIO
1553
Crescent Biopharma, Inc. Common Stock
CBIO
$174M
$23K ﹤0.01%
75
LVO icon
1554
LiveOne
LVO
$66.3M
$23K ﹤0.01%
9,033
+8,933
+8,933% +$22.7K
ORN icon
1555
Orion Group Holdings
ORN
$299M
$23K ﹤0.01%
8,503
+4,158
+96% +$11.2K
SBIO icon
1556
ALPS Medical Breakthroughs ETF
SBIO
$84.1M
$23K ﹤0.01%
561
-98
-15% -$4.02K
VNOM icon
1557
Viper Energy
VNOM
$6.51B
$23K ﹤0.01%
3,100
-61,696
-95% -$458K
HALL
1558
DELISTED
Hallmark Financial Services, Inc.
HALL
$23K ﹤0.01%
886
+422
+91% +$11K
QUOT
1559
DELISTED
Quotient Technology Inc
QUOT
$23K ﹤0.01%
3,129
-3,092
-50% -$22.7K
CZZ
1560
DELISTED
Cosan Limited
CZZ
$23K ﹤0.01%
1,559
+539
+53% +$7.95K
BBU
1561
Brookfield Business Partners
BBU
$2.4B
$22K ﹤0.01%
1,189
-276
-19% -$5.11K
NTWK icon
1562
NetSol Technologies
NTWK
$55.2M
$22K ﹤0.01%
+7,646
New +$22K
PIN icon
1563
Invesco India ETF
PIN
$212M
$22K ﹤0.01%
1,162
-2,000
-63% -$37.9K
TPST icon
1564
Tempest Therapeutics
TPST
$45.6M
$22K ﹤0.01%
71
+58
+446% +$18K
WT icon
1565
WisdomTree
WT
$2.11B
$22K ﹤0.01%
+7,111
New +$22K
CONN
1566
DELISTED
Conn's Inc.
CONN
$22K ﹤0.01%
2,085
-30,662
-94% -$324K
HARP
1567
DELISTED
Harpoon Therapeutics, Inc. Common Stock
HARP
$22K ﹤0.01%
+131
New +$22K
ZVO
1568
DELISTED
Zovio Inc. Common Stock
ZVO
$22K ﹤0.01%
5,590
+5,052
+939% +$19.9K
AGS
1569
DELISTED
PlayAGS
AGS
$21K ﹤0.01%
6,095
-2,180
-26% -$7.51K
ALLK
1570
DELISTED
Allakos
ALLK
$21K ﹤0.01%
268
-140
-34% -$11K
AOS icon
1571
A.O. Smith
AOS
$10.2B
$21K ﹤0.01%
+399
New +$21K
CLS icon
1572
Celestica
CLS
$27.8B
$21K ﹤0.01%
+3,106
New +$21K
COHU icon
1573
Cohu
COHU
$964M
$21K ﹤0.01%
1,257
-267
-18% -$4.46K
GAU
1574
Galiano Gold
GAU
$654M
$21K ﹤0.01%
15,776
+1,516
+11% +$2.02K
IDN icon
1575
Intellicheck
IDN
$113M
$21K ﹤0.01%
+3,236
New +$21K