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 |
NVIDIA
NVDA
|
$216M |
| 2 |
Apple
AAPL
|
$159M |
| 3 |
Broadcom
AVGO
|
$128M |
| 4 |
Booking.com
BKNG
|
$62.2M |
| 5 |
SPDR S&P 500 ETF Trust
SPY
|
$61.9M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$141M |
| 2 |
Amazon
AMZN
|
$53.1M |
| 3 |
TSMC
TSM
|
$45.7M |
| 4 |
Netflix
NFLX
|
$45.3M |
| 5 |
Pfizer
PFE
|
$38.3M |
Sector Composition
| 1 | Technology | 34.74% |
| 2 | Communication Services | 9% |
| 3 | Consumer Discretionary | 8.67% |
| 4 | Healthcare | 8.07% |
| 5 | Financials | 6.4% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
226
Invesco CurrencyShares Japanese Yen Trust
FXY
$562M
| $2.1M | ﹤0.01% |
32,893
+24,804
| +307% | +$1.59M |
|
227
TMC The Metals Company
TMC
$2.08B
| $2.1M | ﹤0.01% |
318,392
+182,038
| +134% | +$1.2M |
|
228
Alexandria Real Estate Equities
ARE
$14.5B
| $2.1M | ﹤0.01% |
28,881
+26,500
| +1,113% | +$1.92M |
|
229
Burlington
BURL
$18.4B
| $2.08M | ﹤0.01% |
8,959
-3,479
| -28% | -$809K |
|
|
WRD
230
WeRide Inc. American Depositary Shares
WRD
$2.58B
| $2.08M | ﹤0.01% |
+264,481
| New | +$2.08M |
|
231
Rubrik
RBRK
$17.6B
| $2.08M | ﹤0.01% |
23,235
-6,896
| -23% | -$618K |
|
232
Nutrien
NTR
$27.4B
| $2.08M | ﹤0.01% |
35,689
+34,062
| +2,094% | +$1.98M |
|
233
Gogo Inc
GOGO
$1.43B
| $2.07M | ﹤0.01% |
140,722
-104,427
| -43% | -$1.53M |
|
234
Grab
GRAB
$21B
| $2.06M | ﹤0.01% |
410,123
-185,895
| -31% | -$935K |
|
235
Nucor
NUE
$33.8B
| $2.06M | ﹤0.01% |
15,919
+7,860
| +98% | +$1.02M |
|
236
Invesco DB US Dollar Index Bullish Fund
UUP
$174M
| $2.05M | ﹤0.01% |
76,204
+53,555
| +236% | +$1.44M |
|
237
Spotify
SPOT
$146B
| $2.05M | ﹤0.01% |
+2,667
| New | +$2.05M |
|
238
Entegris
ENTG
$12.4B
| $2.03M | ﹤0.01% |
25,190
+20,131
| +398% | +$1.62M |
|
239
iShares Russell 1000 Growth ETF
IWF
$117B
| $2.02M | ﹤0.01% |
+4,759
| New | +$2.02M |
|
240
Dynatrace
DT
$15.1B
| $2.02M | ﹤0.01% |
36,511
+11,253
| +45% | +$621K |
|
241
ProShares Ultra Silver
AGQ
$894M
| $2.01M | ﹤0.01% |
42,395
+40,464
| +2,095% | +$1.92M |
|
242
PennyMac Financial
PFSI
$6.08B
| $2.01M | ﹤0.01% |
20,198
-5,133
| -20% | -$511K |
|
243
NIO
NIO
$13.4B
| $2.01M | ﹤0.01% |
586,245
+559,415
| +2,085% | +$1.92M |
|
244
fuboTV
FUBO
$1.37B
| $2M | ﹤0.01% |
516,959
+42,886
| +9% | +$166K |
|
245
Remitly
RELY
$4.02B
| $1.98M | ﹤0.01% |
+105,302
| New | +$1.98M |
|
246
Whirlpool
WHR
$5.28B
| $1.97M | ﹤0.01% |
19,471
-35,841
| -65% | -$3.63M |
|
247
Baxter International
BAX
$12.5B
| $1.97M | ﹤0.01% |
65,181
+14,303
| +28% | +$433K |
|
248
Sable Offshore Corp
SOC
$2.27B
| $1.96M | ﹤0.01% |
89,286
-76,273
| -46% | -$1.68M |
|
249
Ramaco Resources Class A
METC
$1.86B
| $1.95M | ﹤0.01% |
+148,631
| New | +$1.95M |
|
250
BorgWarner
BWA
$9.53B
| $1.95M | ﹤0.01% |
58,292
+49,139
| +537% | +$1.64M |
|