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
|
+$144M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$68.7M |
| 3 |
AT&T
T
|
+$45.5M |
| 4 |
Meta Platforms (Facebook)
META
|
+$38M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$35.4M |
Top Sells
| 1 |
Microsoft
MSFT
|
+$94.2M |
| 2 |
Citigroup
C
|
+$62.3M |
| 3 |
JPMorgan Chase
JPM
|
+$56.2M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$45.8M |
| 5 |
SPDR Gold Trust
GLD
|
+$44.4M |
Sector Composition
| 1 | Consumer Discretionary | 16.85% |
| 2 | Technology | 15.5% |
| 3 | Communication Services | 10.53% |
| 4 | Healthcare | 8.8% |
| 5 | Consumer Staples | 5.63% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
426
Omnicom Group
OMC
$14.7B
| $659K | ﹤0.01% |
+8,081
| New | +$659K |
|
427
ITT
ITT
$13.6B
| $656K | ﹤0.01% |
+8,099
| New | +$656K |
|
|
STOR
428
DELISTED
STORE Capital Corporation
STOR
| $655K | ﹤0.01% |
20,437
+14,499
| +244% | +$465K |
|
429
GrowGeneration
GRWG
$89.1M
| $654K | ﹤0.01% |
166,917
+145,161
| +667% | +$569K |
|
430
RB Global
RBA
$21.6B
| $653K | ﹤0.01% |
+11,293
| New | +$653K |
|
|
CRON
431
Cronos Group
CRON
$969M
| $649K | ﹤0.01% |
255,834
-229,578
| -47% | -$582K |
|
432
Prudential Financial
PRU
$37.2B
| $648K | ﹤0.01% |
6,521
-71,469
| -92% | -$7.1M |
|
433
United States Copper Index Fund
CPER
$220M
| $647K | ﹤0.01% |
28,058
+3,953
| +16% | +$91.2K |
|
|
CAMP
434
DELISTED
CalAmp Corp.
CAMP
| $645K | ﹤0.01% |
6,268
-1,038
| -14% | -$107K |
|
435
Aegon
AEG
$12B
| $644K | ﹤0.01% |
127,791
+20,309
| +19% | +$102K |
|
436
Rio Tinto
RIO
$101B
| $627K | ﹤0.01% |
8,809
-9,894
| -53% | -$704K |
|
437
Shoals Technologies Group
SHLS
$1.15B
| $626K | ﹤0.01% |
+25,408
| New | +$626K |
|
438
Sally Beauty Holdings
SBH
$1.45B
| $625K | ﹤0.01% |
49,924
+43,396
| +665% | +$543K |
|
439
Equinox Gold
EQX
$8.4B
| $618K | ﹤0.01% |
188,476
+125,461
| +199% | +$411K |
|
|
SJR
440
DELISTED
Shaw Communications Inc.
SJR
| $617K | ﹤0.01% |
+21,460
| New | +$617K |
|
441
ResMed
RMD
$39.6B
| $614K | ﹤0.01% |
+2,953
| New | +$614K |
|
442
Weyerhaeuser
WY
$18.1B
| $613K | ﹤0.01% |
+19,786
| New | +$613K |
|
|
SRG
443
Seritage Growth Properties
SRG
$251M
| $609K | ﹤0.01% |
+51,514
| New | +$609K |
|
444
Otis Worldwide
OTIS
$34.4B
| $606K | ﹤0.01% |
7,744
-8,882
| -53% | -$695K |
|
445
SLM Corp
SLM
$6.01B
| $599K | ﹤0.01% |
36,136
+9,123
| +34% | +$151K |
|
446
Vital Energy
VTLE
$647M
| $599K | ﹤0.01% |
11,663
-2,896
| -20% | -$149K |
|
|
RETA
447
DELISTED
Reata Pharmaceuticals, Inc. Class A Common Stock
RETA
| $598K | ﹤0.01% |
15,750
+2,700
| +21% | +$103K |
|
|
TELL
448
DELISTED
Tellurian Inc.
TELL
| $597K | ﹤0.01% |
355,629
-25,468
| -7% | -$42.8K |
|
449
iShares MSCI Turkey ETF
TUR
$163M
| $596K | ﹤0.01% |
+16,127
| New | +$596K |
|
450
Equity Residential
EQR
$25.2B
| $593K | ﹤0.01% |
10,060
+4,153
| +70% | +$245K |
|