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 | |
|---|---|---|---|---|---|---|
|
CANO
751
DELISTED
Cano Health, Inc.
CANO
| $226K | ﹤0.01% |
1,657
+466
| +39% | +$63.6K |
|
|
TRTN
752
DELISTED
Triton International Limited
TRTN
| $226K | ﹤0.01% |
3,298
-2,187
| -40% | -$150K |
|
753
Charles River Laboratories
CRL
$7.86B
| $225K | ﹤0.01% |
1,035
+139
| +16% | +$30.2K |
|
|
CD
754
DELISTED
Chindata Group Holdings Limited American Depositary Shares
CD
| $224K | ﹤0.01% |
+28,202
| New | +$224K |
|
755
Stride
LRN
$7.03B
| $224K | ﹤0.01% |
7,178
-40,897
| -85% | -$1.28M |
|
756
QuidelOrtho
QDEL
$2.03B
| $224K | ﹤0.01% |
+2,626
| New | +$224K |
|
757
Republic Services
RSG
$72.5B
| $224K | ﹤0.01% |
1,739
+881
| +103% | +$113K |
|
758
Concentrix
CNXC
$3.4B
| $221K | ﹤0.01% |
1,663
-4,462
| -73% | -$593K |
|
759
Sigma Lithium
SGML
$604M
| $221K | ﹤0.01% |
+7,833
| New | +$221K |
|
760
Verint Systems
VRNT
$1.23B
| $219K | ﹤0.01% |
+6,053
| New | +$219K |
|
761
Manhattan Associates
MANH
$13.3B
| $218K | ﹤0.01% |
1,800
-1,491
| -45% | -$181K |
|
762
Safe Bulkers
SB
$458M
| $218K | ﹤0.01% |
75,232
-128,329
| -63% | -$372K |
|
763
ProShares Ultra Dow30
DDM
$452M
| $217K | ﹤0.01% |
3,405
+2,641
| +346% | +$168K |
|
764
Coherent
COHR
$16.1B
| $216K | ﹤0.01% |
6,182
+3,634
| +143% | +$127K |
|
765
Warrior Met Coal
HCC
$3.11B
| $216K | ﹤0.01% |
6,241
-8,204
| -57% | -$284K |
|
766
Riot Platforms
RIOT
$5.78B
| $216K | ﹤0.01% |
63,977
+53,877
| +533% | +$182K |
|
767
Rambus
RMBS
$9.53B
| $216K | ﹤0.01% |
+6,034
| New | +$216K |
|
768
Steelcase
SCS
$1.95B
| $216K | ﹤0.01% |
+30,609
| New | +$216K |
|
769
Baxter International
BAX
$12.6B
| $214K | ﹤0.01% |
+4,199
| New | +$214K |
|
770
Invesco Mortgage Capital
IVR
$506M
| $212K | ﹤0.01% |
16,722
+16,712
| +167,120% | +$212K |
|
771
Ryanair
RYAAY
$31.7B
| $212K | ﹤0.01% |
+7,090
| New | +$212K |
|
772
MINISO
MNSO
$7.73B
| $211K | ﹤0.01% |
19,682
+9,955
| +102% | +$107K |
|
773
Millicom
TIGO
$7.88B
| $211K | ﹤0.01% |
+16,740
| New | +$211K |
|
774
Weatherford International
WFRD
$4.51B
| $211K | ﹤0.01% |
+4,159
| New | +$211K |
|
775
Apple Hospitality REIT
APLE
$3.01B
| $210K | ﹤0.01% |
13,361
+6,460
| +94% | +$102K |
|