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 |
Financial Select Sector SPDR Fund
XLF
|
+$42.3M |
| 2 |
Shopify
SHOP
|
+$37.4M |
| 3 |
Verizon
VZ
|
+$34M |
| 4 |
iShares China Large-Cap ETF
FXI
|
+$33M |
| 5 |
Merck
MRK
|
+$28M |
Top Sells
| 1 |
AMC Entertainment Holdings
AMC
|
+$38.3M |
| 2 |
Carnival Corp
CCL
|
+$37.6M |
| 3 |
GE Aerospace
GE
|
+$33M |
| 4 |
Advanced Micro Devices
AMD
|
+$30.6M |
| 5 |
Micron Technology
MU
|
+$28.3M |
Sector Composition
| 1 | Technology | 20.53% |
| 2 | Consumer Discretionary | 13.81% |
| 3 | Healthcare | 11.39% |
| 4 | Communication Services | 7.32% |
| 5 | Industrials | 6.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
376
Enterprise Products Partners
EPD
$68.3B
| $1.64M | ﹤0.01% |
74,681
+47,805
| +178% | +$1.05M |
|
377
Charles Schwab
SCHW
$170B
| $1.63M | ﹤0.01% |
19,431
+16,122
| +487% | +$1.36M |
|
378
H&R Block
HRB
$6.89B
| $1.63M | ﹤0.01% |
69,172
+15,116
| +28% | +$356K |
|
379
Performance Food Group
PFGC
$16.3B
| $1.62M | ﹤0.01% |
35,359
+15,922
| +82% | +$730K |
|
380
AutoZone
AZO
$71.8B
| $1.62M | ﹤0.01% |
772
+758
| +5,414% | +$1.59M |
|
381
Allstate
ALL
$52.7B
| $1.61M | ﹤0.01% |
13,705
+12,961
| +1,742% | +$1.52M |
|
382
iShares MSCI South Korea ETF
EWY
$5.32B
| $1.61M | ﹤0.01% |
20,660
+9,726
| +89% | +$757K |
|
383
Rockwell Automation
ROK
$38.6B
| $1.6M | ﹤0.01% |
+4,576
| New | +$1.6M |
|
|
NNDM
384
Nano Dimension
NNDM
$330M
| $1.59M | ﹤0.01% |
418,090
+70,967
| +20% | +$270K |
|
385
W.P. Carey
WPC
$14.8B
| $1.59M | ﹤0.01% |
19,748
+13,732
| +228% | +$1.1M |
|
386
Sysco
SYY
$38.7B
| $1.59M | ﹤0.01% |
20,198
-25,279
| -56% | -$1.98M |
|
387
Becton Dickinson
BDX
$54.6B
| $1.58M | ﹤0.01% |
6,460
+6,202
| +2,404% | +$1.52M |
|
388
DoorDash
DASH
$110B
| $1.58M | ﹤0.01% |
10,642
-9,053
| -46% | -$1.35M |
|
|
BLDP
389
Ballard Power Systems
BLDP
$568M
| $1.57M | ﹤0.01% |
+125,215
| New | +$1.57M |
|
390
Scorpio Tankers
STNG
$2.91B
| $1.56M | ﹤0.01% |
121,931
+81,337
| +200% | +$1.04M |
|
391
Sprott Uranium Miners ETF
URNM
$1.75B
| $1.55M | ﹤0.01% |
43,084
+42,284
| +5,286% | +$1.52M |
|
392
ArcBest
ARCB
$1.63B
| $1.55M | ﹤0.01% |
12,932
+6,795
| +111% | +$814K |
|
|
RADI
393
DELISTED
Radius Global Infrastructure, Inc. Class A Common Stock
RADI
| $1.55M | ﹤0.01% |
+96,048
| New | +$1.55M |
|
394
EOG Resources
EOG
$64.1B
| $1.54M | ﹤0.01% |
17,320
-2,785
| -14% | -$247K |
|
395
Arrowhead Research
ARWR
$3.83B
| $1.52M | ﹤0.01% |
22,902
-9,409
| -29% | -$624K |
|
396
Dell
DELL
$82B
| $1.5M | ﹤0.01% |
26,769
-33,175
| -55% | -$1.86M |
|
397
ZTO Express
ZTO
$15.3B
| $1.5M | ﹤0.01% |
53,036
+43,456
| +454% | +$1.23M |
|
398
Canadian Solar
CSIQ
$739M
| $1.49M | ﹤0.01% |
47,761
+12,320
| +35% | +$385K |
|
399
Global X Copper Miners ETF NEW
COPX
$2.14B
| $1.48M | ﹤0.01% |
40,130
+16,708
| +71% | +$617K |
|
400
Liberty Broadband Class C
LBRDK
$8.68B
| $1.48M | ﹤0.01% |
+9,194
| New | +$1.48M |
|