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
+0.1%
1 Year Return
+0.6%
3 Year Return
+1.23%
5 Year Return
+2.7%
10 Year Return
+32.99%
AUM
$3.55B
AUM Growth
+$583M
Cap. Flow
+$629M
Cap. Flow %
17.73%
Top 10 Hldgs %
31.05%
Holding
4,446
New
949
Increased
764
Reduced
722
Closed
799

Sector Composition

1 Technology 34.29%
2 Consumer Discretionary 11.38%
3 Healthcare 9.65%
4 Financials 6.33%
5 Communication Services 5.52%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
AGRO icon
1801
Adecoagro
AGRO
$806M
$12K ﹤0.01%
+1,300
New +$12K
API
1802
Agora
API
$343M
$12K ﹤0.01%
2,984
+2,281
+324% +$9.17K
APPS icon
1803
Digital Turbine
APPS
$501M
$12K ﹤0.01%
+7,233
New +$12K
CLRB icon
1804
Cellectar Biosciences
CLRB
$16.2M
$12K ﹤0.01%
1,358
+1,344
+9,600% +$11.9K
FOX icon
1805
Fox Class B
FOX
$25.8B
$12K ﹤0.01%
282
-475
-63% -$20.2K
FUTY icon
1806
Fidelity MSCI Utilities Index ETF
FUTY
$1.98B
$12K ﹤0.01%
256
-505
-66% -$23.7K
IAS icon
1807
Integral Ad Science
IAS
$1.4B
$12K ﹤0.01%
1,151
-235
-17% -$2.45K
IPO icon
1808
Renaissance IPO ETF
IPO
$182M
$12K ﹤0.01%
296
+202
+215% +$8.19K
IXJ icon
1809
iShares Global Healthcare ETF
IXJ
$3.84B
$12K ﹤0.01%
+144
New +$12K
MEI icon
1810
Methode Electronics
MEI
$287M
$12K ﹤0.01%
1,046
-6,000
-85% -$68.8K
MNRO icon
1811
Monro
MNRO
$519M
$12K ﹤0.01%
497
-5,021
-91% -$121K
OMI icon
1812
Owens & Minor
OMI
$412M
$12K ﹤0.01%
987
-127
-11% -$1.54K
PRFZ icon
1813
Invesco FTSE RAFI US 1500 Small-Mid ETF
PRFZ
$2.57B
$12K ﹤0.01%
+300
New +$12K
RDW icon
1814
Redwire
RDW
$1.25B
$12K ﹤0.01%
744
-13,160
-95% -$212K
SIBN icon
1815
SI-BONE Inc
SIBN
$677M
$12K ﹤0.01%
895
+815
+1,019% +$10.9K
SKRE icon
1816
Tuttle Capital Daily 2X Inverse Regional Banks ETF
SKRE
$3.4M
$12K ﹤0.01%
914
+724
+381% +$9.51K
SUP
1817
DELISTED
Superior Industries International
SUP
$12K ﹤0.01%
6,330
+2,385
+60% +$4.52K
SWIM icon
1818
Latham Group
SWIM
$916M
$12K ﹤0.01%
1,858
-607
-25% -$3.92K
TRC icon
1819
Tejon Ranch
TRC
$448M
$12K ﹤0.01%
+797
New +$12K
VERV
1820
DELISTED
Verve Therapeutics
VERV
$12K ﹤0.01%
2,231
-16,846
-88% -$90.6K
YBTC icon
1821
Roundhill Bitcoin Covered Call Strategy ETF
YBTC
$313M
$12K ﹤0.01%
250
+117
+88% +$5.62K
AIBU
1822
Direxion Daily AI and Big Data Bull 2X Shares
AIBU
$25.4M
$12K ﹤0.01%
342
-842
-71% -$29.5K
AIRG icon
1823
Airgain
AIRG
$48.9M
$11K ﹤0.01%
1,655
-990
-37% -$6.58K
AMWD icon
1824
American Woodmark
AMWD
$995M
$11K ﹤0.01%
146
-196
-57% -$14.8K
AOUT icon
1825
American Outdoor Brands
AOUT
$111M
$11K ﹤0.01%
+775
New +$11K