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
HAL icon
151
Halliburton
HAL
$19.2B
$2.27M ﹤0.01%
188,466
-16,547
-8% -$199K
ORCL icon
152
Oracle
ORCL
$626B
$2.23M ﹤0.01%
+37,270
New +$2.23M
MLCO icon
153
Melco Resorts & Entertainment
MLCO
$3.94B
$2.22M ﹤0.01%
133,121
+75,853
+132% +$1.26M
F icon
154
Ford
F
$46.5B
$2.21M ﹤0.01%
331,972
-401,314
-55% -$2.67M
COP icon
155
ConocoPhillips
COP
$120B
$2.19M ﹤0.01%
66,573
+66,553
+332,765% +$2.19M
WMT icon
156
Walmart
WMT
$805B
$2.18M ﹤0.01%
+46,794
New +$2.18M
PAAS icon
157
Pan American Silver
PAAS
$12.1B
$2.18M ﹤0.01%
67,861
-73,271
-52% -$2.35M
TZA icon
158
Direxion Daily Small Cap Bear 3x Shares
TZA
$291M
$2.18M ﹤0.01%
16,065
+66
+0.4% +$8.95K
JAZZ icon
159
Jazz Pharmaceuticals
JAZZ
$7.77B
$2.16M ﹤0.01%
15,177
+14,891
+5,207% +$2.12M
KHC icon
160
Kraft Heinz
KHC
$31.9B
$2.16M ﹤0.01%
72,061
+54,110
+301% +$1.62M
SDOW icon
161
ProShares UltraPro Short Dow 30
SDOW
$174M
$2.14M ﹤0.01%
7,396
+2,926
+65% +$848K
UBER icon
162
Uber
UBER
$192B
$2.12M ﹤0.01%
58,232
-552,707
-90% -$20.2M
UDN icon
163
Invesco DB US Dollar Index Bearish Fund
UDN
$146M
$2.12M ﹤0.01%
101,474
+97,877
+2,721% +$2.04M
GNRC icon
164
Generac Holdings
GNRC
$10.5B
$2.12M ﹤0.01%
10,938
+4,618
+73% +$894K
EPD icon
165
Enterprise Products Partners
EPD
$68.9B
$2.11M ﹤0.01%
+133,763
New +$2.11M
OIH icon
166
VanEck Oil Services ETF
OIH
$890M
$2.11M ﹤0.01%
+21,584
New +$2.11M
AU icon
167
AngloGold Ashanti
AU
$29.2B
$2.11M ﹤0.01%
+79,813
New +$2.11M
DRIP icon
168
Direxion Daily S&P Oil & Gas Exp & Prod Bear 2X Shares
DRIP
$44.8M
$2.09M ﹤0.01%
2,942
-775
-21% -$551K
ACMR icon
169
ACM Research
ACMR
$1.73B
$2.08M ﹤0.01%
90,309
+76,062
+534% +$1.75M
BIDU icon
170
Baidu
BIDU
$33.8B
$2.08M ﹤0.01%
16,426
-134,598
-89% -$17M
PCG icon
171
PG&E
PCG
$33.5B
$2.02M ﹤0.01%
215,493
-224,383
-51% -$2.11M
VZ icon
172
Verizon
VZ
$186B
$2.02M ﹤0.01%
34,018
+14,520
+74% +$863K
FSLY icon
173
Fastly
FSLY
$1.08B
$2.02M ﹤0.01%
21,588
+2,748
+15% +$257K
VIXY icon
174
ProShares VIX Short-Term Futures ETF
VIXY
$85.1M
$2.01M ﹤0.01%
+1,232
New +$2.01M
ELV icon
175
Elevance Health
ELV
$69.4B
$2.01M ﹤0.01%
7,473
+3,488
+88% +$937K