Simplex Trading Portfolio holdings
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.
Top Buys
| 1 |
Amazon
AMZN
|
$107M |
| 2 |
SPDR Gold Trust
GLD
|
$65.8M |
| 3 |
NVIDIA
NVDA
|
$61.6M |
| 4 |
Apple
AAPL
|
$51.2M |
| 5 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$50.9M |
Top Sells
| 1 |
Qualcomm
QCOM
|
$25.2M |
| 2 |
Netflix
NFLX
|
$24.1M |
| 3 |
Walt Disney
DIS
|
$22.2M |
| 4 |
Snowflake
SNOW
|
$17.4M |
| 5 |
Advanced Micro Devices
AMD
|
$17.2M |
Sector Composition
| 1 | Technology | 20.43% |
| 2 | Consumer Discretionary | 15% |
| 3 | Healthcare | 10.19% |
| 4 | Financials | 8.16% |
| 5 | Communication Services | 6.81% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
151
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$2.31B
| $3.24M | ﹤0.01% |
124,389
+98,063
| +372% | +$2.55M |
|
152
Cardinal Health
CAH
$35.7B
| $3.23M | ﹤0.01% |
+37,229
| New | +$3.23M |
|
153
Lantheus
LNTH
$3.72B
| $3.15M | ﹤0.01% |
45,319
+39,094
| +628% | +$2.72M |
|
154
FMC
FMC
$4.72B
| $3.03M | ﹤0.01% |
+45,178
| New | +$3.03M |
|
155
VanEck Junior Gold Miners ETF
GDXJ
$7B
| $2.96M | ﹤0.01% |
91,879
-53,792
| -37% | -$1.73M |
|
156
iShares Russell 2000 Growth ETF
IWO
$12.5B
| $2.96M | ﹤0.01% |
13,203
+10,953
| +487% | +$2.45M |
|
157
Direxion Daily S&P 500 Bear 3x Shares
SPXS
$443M
| $2.95M | ﹤0.01% |
186,768
+134,480
| +257% | +$2.12M |
|
158
Apellis Pharmaceuticals
APLS
$3.55B
| $2.92M | ﹤0.01% |
76,865
+854
| +1% | +$32.5K |
|
159
Live Nation Entertainment
LYV
$37.9B
| $2.9M | ﹤0.01% |
+34,957
| New | +$2.9M |
|
|
EDR
160
DELISTED
Endeavor Group Holdings, Inc.
EDR
| $2.89M | ﹤0.01% |
145,158
+132,550
| +1,051% | +$2.64M |
|
161
Sarepta Therapeutics
SRPT
$1.96B
| $2.86M | ﹤0.01% |
23,559
-12,276
| -34% | -$1.49M |
|
|
DQ
162
Daqo New Energy
DQ
$1.96B
| $2.83M | ﹤0.01% |
93,491
+62,893
| +206% | +$1.9M |
|
163
Keurig Dr Pepper
KDP
$38.9B
| $2.83M | ﹤0.01% |
89,574
+22,925
| +34% | +$724K |
|
164
GE HealthCare
GEHC
$34.6B
| $2.81M | ﹤0.01% |
+41,337
| New | +$2.81M |
|
165
Dollar General
DG
$24.1B
| $2.8M | ﹤0.01% |
+26,455
| New | +$2.8M |
|
166
Goodyear
GT
$2.43B
| $2.77M | ﹤0.01% |
222,998
-196,722
| -47% | -$2.44M |
|
167
Trane Technologies
TT
$92.1B
| $2.75M | ﹤0.01% |
13,576
+1,791
| +15% | +$363K |
|
168
Skechers
SKX
$9.5B
| $2.75M | ﹤0.01% |
56,198
+33,935
| +152% | +$1.66M |
|
169
Baxter International
BAX
$12.5B
| $2.7M | ﹤0.01% |
71,660
+2,312
| +3% | +$87.2K |
|
170
Camtek
CAMT
$3.6B
| $2.69M | ﹤0.01% |
43,168
-1,620
| -4% | -$101K |
|
171
Williams-Sonoma
WSM
$24.7B
| $2.67M | ﹤0.01% |
+34,388
| New | +$2.67M |
|
172
Sunrun
RUN
$4.19B
| $2.65M | ﹤0.01% |
211,155
+211,125
| +703,750% | +$2.65M |
|
173
XPO
XPO
$15.4B
| $2.61M | ﹤0.01% |
34,941
-52,240
| -60% | -$3.9M |
|
174
Freedom Holding
FRHC
$10.4B
| $2.6M | ﹤0.01% |
+30,730
| New | +$2.6M |
|
175
Whirlpool
WHR
$5.28B
| $2.57M | ﹤0.01% |
+19,204
| New | +$2.57M |
|