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
|
$586M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
$82.5M |
| 3 |
Intel
INTC
|
$40.4M |
| 4 |
Invesco QQQ Trust
QQQ
|
$39.4M |
| 5 |
Uber
UBER
|
$36.3M |
Top Sells
| 1 |
NVIDIA
NVDA
|
$130M |
| 2 |
Pinduoduo
PDD
|
$95.7M |
| 3 |
Boeing
BA
|
$56.2M |
| 4 |
KraneShares CSI China Internet ETF
KWEB
|
$40.7M |
| 5 |
Microsoft
MSFT
|
$40.5M |
Sector Composition
| 1 | Technology | 34.29% |
| 2 | Consumer Discretionary | 11.38% |
| 3 | Healthcare | 9.65% |
| 4 | Financials | 6.33% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
276
Valero Energy
VLO
$48.7B
| $1.94M | ﹤0.01% |
15,798
-70,675
| -82% | -$8.66M |
|
277
McKesson
MCK
$85.5B
| $1.93M | ﹤0.01% |
+3,381
| New | +$1.93M |
|
278
CoreCivic
CXW
$2.11B
| $1.92M | ﹤0.01% |
88,457
-26,466
| -23% | -$575K |
|
279
Western Alliance Bancorporation
WAL
$10B
| $1.91M | ﹤0.01% |
+22,880
| New | +$1.91M |
|
280
Viatris
VTRS
$12.2B
| $1.91M | ﹤0.01% |
153,039
-46,671
| -23% | -$581K |
|
281
Simon Property Group
SPG
$59.5B
| $1.9M | ﹤0.01% |
+11,052
| New | +$1.9M |
|
282
Enovix
ENVX
$1.81B
| $1.9M | ﹤0.01% |
199,661
+195,869
| +5,165% | +$1.86M |
|
283
Hecla Mining
HL
$6.04B
| $1.89M | ﹤0.01% |
384,284
+66,046
| +21% | +$324K |
|
284
Fair Isaac
FICO
$36.8B
| $1.87M | ﹤0.01% |
938
-854
| -48% | -$1.7M |
|
285
Wolfspeed
WOLF
$196M
| $1.86M | ﹤0.01% |
278,767
-204,046
| -42% | -$1.36M |
|
286
TriNet
TNET
$3.43B
| $1.86M | ﹤0.01% |
+20,438
| New | +$1.86M |
|
|
XIFR
287
XPLR Infrastructure, LP
XIFR
$976M
| $1.84M | ﹤0.01% |
103,529
+55,467
| +115% | +$987K |
|
288
McDonald's
MCD
$224B
| $1.83M | ﹤0.01% |
+6,320
| New | +$1.83M |
|
289
Rumble
RUM
$2.41B
| $1.83M | ﹤0.01% |
+140,519
| New | +$1.83M |
|
290
Kinross Gold
KGC
$26.9B
| $1.82M | ﹤0.01% |
196,671
-87,167
| -31% | -$808K |
|
291
Navios Maritime Partners
NMM
$1.42B
| $1.82M | ﹤0.01% |
42,127
+1,756
| +4% | +$76K |
|
|
TEM
292
Tempus AI, Inc. Class A Common Stock
TEM
$13.8B
| $1.82M | ﹤0.01% |
54,012
+46,416
| +611% | +$1.57M |
|
293
Diageo
DEO
$61.3B
| $1.82M | ﹤0.01% |
+14,294
| New | +$1.82M |
|
294
Texas Roadhouse
TXRH
$11.2B
| $1.81M | ﹤0.01% |
+10,007
| New | +$1.81M |
|
295
KBR
KBR
$6.4B
| $1.79M | ﹤0.01% |
30,958
+4,712
| +18% | +$273K |
|
296
Recursion Pharmaceuticals
RXRX
$2.01B
| $1.78M | ﹤0.01% |
263,372
-21,341
| -7% | -$144K |
|
297
Frontline
FRO
$4.93B
| $1.77M | ﹤0.01% |
124,616
+93,261
| +297% | +$1.32M |
|
298
GE HealthCare
GEHC
$34.6B
| $1.76M | ﹤0.01% |
+22,515
| New | +$1.76M |
|
299
Rithm Capital
RITM
$6.69B
| $1.76M | ﹤0.01% |
162,400
+96,126
| +145% | +$1.04M |
|
300
Transmedics
TMDX
$3.55B
| $1.75M | ﹤0.01% |
28,146
+25,563
| +990% | +$1.59M |
|