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 | |
|---|---|---|---|---|---|---|
1176
Brookdale Senior Living
BKD
$1.81B
| $100K | ﹤0.01% |
14,444
-7,920
| -35% | -$54.8K |
|
1177
Cognex
CGNX
$7.45B
| $100K | ﹤0.01% |
3,162
-2,400
| -43% | -$75.9K |
|
1178
Fortune Brands Innovations
FBIN
$7.05B
| $100K | ﹤0.01% |
+1,948
| New | +$100K |
|
|
ARDT
1179
Ardent Health, Inc.
ARDT
$1.86B
| $100K | ﹤0.01% |
7,354
+6,666
| +969% | +$90.6K |
|
1180
loanDepot
LDI
$888M
| $99K | ﹤0.01% |
+77,958
| New | +$99K |
|
1181
Potbelly
PBPB
$514M
| $99K | ﹤0.01% |
+8,140
| New | +$99K |
|
1182
Post Holdings
POST
$5.69B
| $99K | ﹤0.01% |
917
+263
| +40% | +$28.4K |
|
1183
Procept Biorobotics
PRCT
$2.09B
| $99K | ﹤0.01% |
1,732
-4,790
| -73% | -$274K |
|
1184
Vanguard Russell 1000 Growth ETF
VONG
$31.8B
| $99K | ﹤0.01% |
+908
| New | +$99K |
|
|
BDN
1185
Brandywine Realty Trust
BDN
$761M
| $98K | ﹤0.01% |
22,963
+1,988
| +9% | +$8.48K |
|
|
DHC
1186
Diversified Healthcare Trust
DHC
$1.05B
| $98K | ﹤0.01% |
27,499
+22,469
| +447% | +$80.1K |
|
1187
ProShares UltraShort Dow 30
DXD
$51.8M
| $98K | ﹤0.01% |
4,074
+3,035
| +292% | +$73K |
|
1188
Neonode
NEON
$72M
| $98K | ﹤0.01% |
3,859
-20,525
| -84% | -$521K |
|
1189
Under Armour Class C
UA
$2.1B
| $98K | ﹤0.01% |
15,188
+1,123
| +8% | +$7.25K |
|
1190
Elbit Systems
ESLT
$23.4B
| $97K | ﹤0.01% |
216
-7,702
| -97% | -$3.46M |
|
1191
Freshworks
FRSH
$3.79B
| $97K | ﹤0.01% |
6,569
-15,002
| -70% | -$222K |
|
1192
Globant
GLOB
$2.52B
| $97K | ﹤0.01% |
1,077
+657
| +156% | +$59.2K |
|
1193
Ocean Power Technologies
OPTT
$103M
| $97K | ﹤0.01% |
204,516
+119,900
| +142% | +$56.9K |
|
1194
Stellus Capital Investment Corp
SCM
$408M
| $97K | ﹤0.01% |
+7,019
| New | +$97K |
|
1195
Apogee Enterprises
APOG
$896M
| $96K | ﹤0.01% |
2,380
+2,102
| +756% | +$84.8K |
|
1196
Fortrea Holdings
FTRE
$909M
| $96K | ﹤0.01% |
+19,515
| New | +$96K |
|
1197
Kimco Realty
KIM
$15.1B
| $96K | ﹤0.01% |
+4,605
| New | +$96K |
|
1198
Universal Health Services
UHS
$11.8B
| $96K | ﹤0.01% |
+535
| New | +$96K |
|
|
VOYG
1199
Voyager Technologies, Inc.
VOYG
$1.67B
| $96K | ﹤0.01% |
+2,447
| New | +$96K |
|
1200
Direxion Daily Real Estate Bull 3X Shares
DRN
$67.3M
| $94K | ﹤0.01% |
9,908
-7,263
| -42% | -$68.9K |
|