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 | |
|---|---|---|---|---|---|---|
51
Northrop Grumman
NOC
$83.2B
| $10.8M | 0.01% |
24,516
+17,753
| +263% | +$7.81M |
|
52
Bristol-Myers Squibb
BMY
$96.7B
| $10.6M | 0.01% |
182,593
+93,234
| +104% | +$5.41M |
|
53
Starbucks
SBUX
$99.2B
| $10.5M | 0.01% |
115,265
+69,751
| +153% | +$6.37M |
|
54
General Mills
GIS
$26.6B
| $10.5M | 0.01% |
163,657
+123,024
| +303% | +$7.87M |
|
55
Kenvue
KVUE
$39.2B
| $10.4M | 0.01% |
519,594
+470,944
| +968% | +$9.46M |
|
56
Target
TGT
$42B
| $10.4M | 0.01% |
+93,774
| New | +$10.4M |
|
57
Scorpio Tankers
STNG
$2.64B
| $10.1M | 0.01% |
187,512
+175,988
| +1,527% | +$9.52M |
|
58
Nutrien
NTR
$27.6B
| $10.1M | 0.01% |
164,277
+71,680
| +77% | +$4.43M |
|
59
Halliburton
HAL
$18.4B
| $9.71M | 0.01% |
+239,802
| New | +$9.71M |
|
60
Diamondback Energy
FANG
$41.2B
| $9.64M | 0.01% |
62,249
+60,279
| +3,060% | +$9.34M |
|
61
KraneShares CSI China Internet ETF
KWEB
$8.51B
| $9.38M | 0.01% |
342,739
-194,801
| -36% | -$5.33M |
|
62
Zoom
ZM
$25B
| $8.96M | 0.01% |
128,173
+11,956
| +10% | +$836K |
|
63
Goldman Sachs
GS
$221B
| $8.86M | 0.01% |
27,371
-21,220
| -44% | -$6.87M |
|
64
DocuSign
DOCU
$15.3B
| $8.64M | 0.01% |
205,682
+129,295
| +169% | +$5.43M |
|
65
BP
BP
$88.8B
| $8.35M | 0.01% |
215,707
-112,016
| -34% | -$4.34M |
|
|
AYX
66
DELISTED
Alteryx, Inc.
AYX
| $8.08M | 0.01% |
+214,276
| New | +$8.08M |
|
67
iShares MSCI Brazil ETF
EWZ
$5.35B
| $8.01M | 0.01% |
261,049
-93,332
| -26% | -$2.86M |
|
68
Marvell Technology
MRVL
$53.7B
| $7.91M | 0.01% |
146,160
+141,825
| +3,272% | +$7.68M |
|
69
Constellation Brands
STZ
$25.8B
| $7.85M | 0.01% |
+31,225
| New | +$7.85M |
|
70
PBF Energy
PBF
$3.22B
| $7.78M | 0.01% |
145,285
+39,226
| +37% | +$2.1M |
|
71
Albemarle
ALB
$9.43B
| $7.69M | 0.01% |
45,240
+13,697
| +43% | +$2.33M |
|
72
Citigroup
C
$175B
| $7.64M | 0.01% |
185,715
-141,411
| -43% | -$5.82M |
|
|
PARA
73
DELISTED
Paramount Global Class B
PARA
| $7.56M | 0.01% |
586,169
+527,533
| +900% | +$6.8M |
|
74
Schlumberger
SLB
$52.2B
| $7.48M | 0.01% |
+128,342
| New | +$7.48M |
|
75
Agnico Eagle Mines
AEM
$74.7B
| $7.45M | 0.01% |
163,846
+14,810
| +10% | +$673K |
|