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 |
Apple
AAPL
|
+$32.1M |
| 2 |
Bausch Health
BHC
|
+$18.4M |
| 3 |
GMCR
KEURIG GREEN MTN INC
GMCR
|
+$17.9M |
| 4 |
Chipotle Mexican Grill
CMG
|
+$14.9M |
| 5 |
Amazon
AMZN
|
+$13M |
Top Sells
| 1 |
iShares Russell 2000 ETF
IWM
|
+$27.5M |
| 2 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$13.7M |
| 3 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$12.1M |
| 4 |
Netflix
NFLX
|
+$10.7M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$10.7M |
Sector Composition
| 1 | Consumer Discretionary | 17.29% |
| 2 | Healthcare | 13.74% |
| 3 | Technology | 12.76% |
| 4 | Communication Services | 12.12% |
| 5 | Industrials | 10.49% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
751
MBIA
MBI
$350M
| $85K | 0.01% |
13,225
+4,085
| +45% | +$26.3K |
|
752
Ashland
ASH
$2.34B
| $84K | 0.01% |
+1,686
| New | +$84K |
|
753
Franklin Resources
BEN
$12.6B
| $84K | 0.01% |
2,286
-15,060
| -87% | -$553K |
|
|
OME
754
DELISTED
Omega Protein
OME
| $84K | 0.01% |
+3,785
| New | +$84K |
|
|
PMC
755
DELISTED
PharMerica Corporation
PMC
| $84K | 0.01% |
+2,400
| New | +$84K |
|
|
CHU
756
DELISTED
China Unicom (HONG KONG) Limited
CHU
| $84K | 0.01% |
7,002
+4,163
| +147% | +$49.9K |
|
757
Boston Scientific
BSX
$146B
| $83K | 0.01% |
4,546
+3,145
| +224% | +$57.4K |
|
758
Hillenbrand
HI
$1.7B
| $83K | 0.01% |
2,831
+1,306
| +86% | +$38.3K |
|
759
NiSource
NI
$18.7B
| $83K | 0.01% |
4,286
-357
| -8% | -$6.91K |
|
760
Global X MSCI Greece ETF
GREK
$307M
| $82K | 0.01% |
3,438
-4,171
| -55% | -$99.5K |
|
|
ENLC
761
DELISTED
ENLINK MIDSTREAM, LLC
ENLC
| $82K | 0.01% |
+5,486
| New | +$82K |
|
762
EchoStar
SATS
$20.7B
| $81K | 0.01% |
+2,578
| New | +$81K |
|
763
Vanguard Financials ETF
VFH
$13B
| $81K | 0.01% |
+1,680
| New | +$81K |
|
|
BWP
764
DELISTED
Boardwalk Pipeline Partners
BWP
| $81K | 0.01% |
6,269
+2,998
| +92% | +$38.7K |
|
765
Enovis
ENOV
$1.84B
| $80K | 0.01% |
1,996
-7,757
| -80% | -$311K |
|
766
Graphic Packaging
GPK
$5.92B
| $80K | 0.01% |
+6,293
| New | +$80K |
|
|
JBTM
767
JBT Marel Corporation
JBTM
$7.02B
| $80K | 0.01% |
+1,606
| New | +$80K |
|
|
BKS
768
DELISTED
Barnes & Noble
BKS
| $80K | 0.01% |
9,188
+341
| +4% | +$2.97K |
|
|
WLH
769
DELISTED
WILLIAM LYON HOMES
WLH
| $80K | 0.01% |
4,855
+2,926
| +152% | +$48.2K |
|
|
DWRE
770
DELISTED
DEMANDWARE INC COM STK (DE)
DWRE
| $80K | 0.01% |
+1,495
| New | +$80K |
|
771
Alaska Air
ALK
$6.74B
| $79K | 0.01% |
985
-1,635
| -62% | -$131K |
|
772
ProShares Short 20+ Year Treasury ETF
TBF
$69M
| $79K | 0.01% |
3,231
+950
| +42% | +$23.2K |
|
773
Sally Beauty Holdings
SBH
$1.51B
| $78K | 0.01% |
+2,817
| New | +$78K |
|
774
ProShares UltraShort Russell2000
TWM
$33.4M
| $78K | 0.01% |
100
+75
| +300% | +$58.5K |
|
775
United States 12 Month Oil Fund,
USL
$43.4M
| $78K | 0.01% |
4,587
+3,632
| +380% | +$61.8K |
|