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 |
Apple
AAPL
|
$186M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$86.2M |
| 3 |
SPDR S&P 500 ETF Trust
SPY
|
$56.8M |
| 4 |
iShares Silver Trust
SLV
|
$42.9M |
| 5 |
Advanced Micro Devices
AMD
|
$36.5M |
Top Sells
| 1 |
Occidental Petroleum
OXY
|
$44.4M |
| 2 |
Financial Select Sector SPDR Fund
XLF
|
$42.8M |
| 3 |
Verizon
VZ
|
$40.8M |
| 4 |
Direxion Daily S&P 500 Bull 3x Shares
SPXL
|
$33.6M |
| 5 |
iShares China Large-Cap ETF
FXI
|
$33M |
Sector Composition
| 1 | Technology | 23.31% |
| 2 | Consumer Discretionary | 13.02% |
| 3 | Industrials | 8.24% |
| 4 | Healthcare | 7.47% |
| 5 | Financials | 6.38% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
226
Crocs
CROX
$4.74B
| $2.74M | ﹤0.01% |
35,804
+35,279
| +6,720% | +$2.69M |
|
|
EBIX
227
DELISTED
Ebix Inc
EBIX
| $2.73M | ﹤0.01% |
82,359
+74,360
| +930% | +$2.46M |
|
228
Vanguard FTSE Europe ETF
VGK
$26.6B
| $2.72M | ﹤0.01% |
43,712
+26,169
| +149% | +$1.63M |
|
229
iShares 3-7 Year Treasury Bond ETF
IEI
$16.8B
| $2.68M | ﹤0.01% |
+21,933
| New | +$2.68M |
|
230
Sprott Uranium Miners ETF
URNM
$1.69B
| $2.67M | ﹤0.01% |
64,222
+21,138
| +49% | +$879K |
|
231
Unilever
UL
$158B
| $2.67M | ﹤0.01% |
58,600
+5,297
| +10% | +$241K |
|
232
Newmont
NEM
$82.8B
| $2.66M | ﹤0.01% |
33,475
-120,523
| -78% | -$9.57M |
|
233
InMode
INMD
$917M
| $2.65M | ﹤0.01% |
71,811
+58,134
| +425% | +$2.15M |
|
234
Datadog
DDOG
$46.2B
| $2.65M | ﹤0.01% |
+17,471
| New | +$2.65M |
|
235
Deckers Outdoor
DECK
$18.3B
| $2.64M | ﹤0.01% |
57,918
+54,930
| +1,838% | +$2.51M |
|
236
Bunge Global
BG
$16.3B
| $2.61M | ﹤0.01% |
23,583
+10,755
| +84% | +$1.19M |
|
237
Elastic
ESTC
$9.17B
| $2.6M | ﹤0.01% |
29,282
+5,001
| +21% | +$445K |
|
238
Coty
COTY
$3.78B
| $2.6M | ﹤0.01% |
289,518
-51,909
| -15% | -$467K |
|
239
Jazz Pharmaceuticals
JAZZ
$7.99B
| $2.6M | ﹤0.01% |
+16,700
| New | +$2.6M |
|
240
Playtika
PLTK
$1.35B
| $2.56M | ﹤0.01% |
132,284
+113,837
| +617% | +$2.2M |
|
|
CUTR
241
DELISTED
Cutera, Inc.
CUTR
| $2.54M | ﹤0.01% |
+36,847
| New | +$2.54M |
|
|
CERN
242
DELISTED
Cerner Corp
CERN
| $2.54M | ﹤0.01% |
27,166
+2,063
| +8% | +$193K |
|
243
Nokia
NOK
$23.6B
| $2.52M | ﹤0.01% |
+462,168
| New | +$2.52M |
|
244
Direxion Daily FTSE China Bull 3X Shares
YINN
$1.21B
| $2.52M | ﹤0.01% |
27,255
+20,501
| +304% | +$1.89M |
|
245
Asana
ASAN
$3.35B
| $2.49M | ﹤0.01% |
62,332
+6,549
| +12% | +$262K |
|
246
SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$41.9B
| $2.49M | ﹤0.01% |
+27,220
| New | +$2.49M |
|
247
Sabesp
SBS
$15.1B
| $2.48M | ﹤0.01% |
252,372
+181,596
| +257% | +$1.78M |
|
248
Tapestry
TPR
$21.7B
| $2.45M | ﹤0.01% |
66,029
-16,078
| -20% | -$597K |
|
249
ICL Group
ICL
$7.91B
| $2.44M | ﹤0.01% |
202,160
+140,713
| +229% | +$1.7M |
|
250
Canadian Solar
CSIQ
$663M
| $2.43M | ﹤0.01% |
68,803
+21,042
| +44% | +$744K |
|