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 | |
|---|---|---|---|---|---|---|
326
Pfizer
PFE
$140B
| $1.94M | ﹤0.01% |
32,862
-36,598
| -53% | -$2.16M |
|
327
Cintas
CTAS
$80.8B
| $1.94M | ﹤0.01% |
+17,508
| New | +$1.94M |
|
328
Jabil
JBL
$22.5B
| $1.94M | ﹤0.01% |
+27,549
| New | +$1.94M |
|
329
Robinhood
HOOD
$103B
| $1.93M | ﹤0.01% |
+108,943
| New | +$1.93M |
|
330
Carrier Global
CARR
$53.7B
| $1.92M | ﹤0.01% |
35,458
+8,105
| +30% | +$440K |
|
331
Clorox
CLX
$15.3B
| $1.92M | ﹤0.01% |
+11,021
| New | +$1.92M |
|
332
Global X Lithium & Battery Tech ETF
LIT
$1.14B
| $1.92M | ﹤0.01% |
22,735
-47,924
| -68% | -$4.05M |
|
333
UiPath
PATH
$6.31B
| $1.91M | ﹤0.01% |
44,201
+10,550
| +31% | +$455K |
|
334
3D Systems Corporation
DDD
$273M
| $1.9M | ﹤0.01% |
88,405
+42,459
| +92% | +$914K |
|
335
Philips
PHG
$26.8B
| $1.9M | ﹤0.01% |
+60,168
| New | +$1.9M |
|
336
iShares MSCI Japan ETF
EWJ
$15.7B
| $1.89M | ﹤0.01% |
28,282
+2,785
| +11% | +$186K |
|
337
Five Below
FIVE
$7.95B
| $1.89M | ﹤0.01% |
9,115
+3,662
| +67% | +$757K |
|
|
FL
338
DELISTED
Foot Locker
FL
| $1.87M | ﹤0.01% |
42,819
+24,642
| +136% | +$1.08M |
|
339
Paychex
PAYX
$48.5B
| $1.86M | ﹤0.01% |
+13,620
| New | +$1.86M |
|
340
Perrigo
PRGO
$3.07B
| $1.85M | ﹤0.01% |
47,518
+40,811
| +608% | +$1.59M |
|
341
WIX.com
WIX
$9.14B
| $1.85M | ﹤0.01% |
11,711
+11,510
| +5,726% | +$1.82M |
|
342
First Majestic Silver
AG
$4.47B
| $1.84M | ﹤0.01% |
165,752
+164,537
| +13,542% | +$1.83M |
|
343
Invesco CurrencyShares Japanese Yen Trust
FXY
$562M
| $1.84M | ﹤0.01% |
+22,603
| New | +$1.84M |
|
344
Boot Barn
BOOT
$5.65B
| $1.84M | ﹤0.01% |
+14,933
| New | +$1.84M |
|
345
Embraer
ERJ
$11B
| $1.84M | ﹤0.01% |
103,540
+83,842
| +426% | +$1.49M |
|
346
Kinross Gold
KGC
$27.1B
| $1.83M | ﹤0.01% |
314,913
+99,977
| +47% | +$581K |
|
|
ISEE
347
DELISTED
IVERIC bio, Inc. Common Stock
ISEE
| $1.82M | ﹤0.01% |
108,753
+97,230
| +844% | +$1.63M |
|
348
Corning
GLW
$62.1B
| $1.8M | ﹤0.01% |
48,444
+44,492
| +1,126% | +$1.66M |
|
349
Wheaton Precious Metals
WPM
$47.5B
| $1.79M | ﹤0.01% |
41,694
+181
| +0.4% | +$7.77K |
|
350
Duke Energy
DUK
$94B
| $1.77M | ﹤0.01% |
16,920
+14,492
| +597% | +$1.52M |
|