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 |
Gilead Sciences
GILD
|
+$16.8M |
| 2 |
Apple
AAPL
|
+$16.2M |
| 3 |
Booking.com
BKNG
|
+$15.6M |
| 4 |
Alphabet (Google) Class A
GOOGL
|
+$15.3M |
| 5 |
Wells Fargo
WFC
|
+$11.9M |
Top Sells
| 1 |
SPDR Gold Trust
GLD
|
+$38M |
| 2 |
QIHU
QIHOO 360 TECHNOLOGY CO LTD ADS RPSTG 3 CL A SHS
QIHU
|
+$30.7M |
| 3 |
LNKD
LinkedIn Corporation
LNKD
|
+$15.2M |
| 4 |
CELG
Celgene Corp
CELG
|
+$11.5M |
| 5 |
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
|
+$10.5M |
Sector Composition
| 1 | Communication Services | 15.83% |
| 2 | Healthcare | 15.63% |
| 3 | Consumer Discretionary | 12.92% |
| 4 | Technology | 11.44% |
| 5 | Financials | 8.29% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
IPXL
651
DELISTED
Impax Laboratories, Inc.
IPXL
| $140K | 0.01% |
+5,934
| New | +$140K |
|
652
SAP
SAP
$316B
| $139K | 0.01% |
+1,524
| New | +$139K |
|
653
Flowserve
FLS
$7.22B
| $138K | 0.01% |
2,878
+1,770
| +160% | +$84.9K |
|
654
Autoliv
ALV
$9.66B
| $137K | 0.01% |
+1,793
| New | +$137K |
|
655
Jabil
JBL
$22.5B
| $137K | 0.01% |
+6,324
| New | +$137K |
|
|
SAGE
656
DELISTED
Sage Therapeutics
SAGE
| $137K | 0.01% |
2,984
-24,986
| -89% | -$1.15M |
|
|
SCU
657
DELISTED
Sculptor Capital Management, Inc. Class A Common Stock
SCU
| $137K | 0.01% |
3,171
+132
| +4% | +$5.7K |
|
|
CMCM
658
Cheetah Mobile
CMCM
$217M
| $136K | 0.01% |
2,193
+2,062
| +1,574% | +$128K |
|
659
Cheniere Energy
CQP
$25.9B
| $136K | 0.01% |
+4,654
| New | +$136K |
|
660
Apollo Global Management
APO
$76.9B
| $134K | 0.01% |
7,466
-3,958
| -35% | -$71K |
|
661
ProShares UltraShort FTSE Europe
EPV
$15.9M
| $134K | 0.01% |
+530
| New | +$134K |
|
662
iShares S&P Small-Cap 600 Value ETF
IJS
$6.6B
| $134K | 0.01% |
+2,160
| New | +$134K |
|
663
Bankunited
BKU
$2.89B
| $133K | 0.01% |
4,410
+1,005
| +30% | +$30.3K |
|
664
Cenovus Energy
CVE
$29.3B
| $133K | 0.01% |
+9,295
| New | +$133K |
|
665
iShares MSCI Australia ETF
EWA
$1.53B
| $133K | 0.01% |
6,399
+5,775
| +925% | +$120K |
|
666
Televisa
TV
$1.5B
| $133K | 0.01% |
5,206
-27,507
| -84% | -$703K |
|
667
Banco Bilbao Vizcaya Argentaria
BBVA
$107B
| $132K | 0.01% |
22,724
+2,417
| +12% | +$14K |
|
668
Boise Cascade
BCC
$3.18B
| $132K | 0.01% |
+5,220
| New | +$132K |
|
|
SGYP
669
DELISTED
Synergy Pharmaceuticals, Inc Common Stock
SGYP
| $132K | 0.01% |
24,093
-27,663
| -53% | -$152K |
|
670
Helix Energy Solutions
HLX
$895M
| $131K | 0.01% |
16,160
-20,117
| -55% | -$163K |
|
|
AUY
671
DELISTED
Yamana Gold, Inc.
AUY
| $131K | 0.01% |
30,556
-5,982
| -16% | -$25.6K |
|
672
Range Resources
RRC
$8.17B
| $130K | 0.01% |
3,357
-6,735
| -67% | -$261K |
|
673
New Oriental
EDU
$8.51B
| $129K | 0.01% |
2,801
+1,495
| +114% | +$68.9K |
|
674
Insmed
INSM
$31.1B
| $129K | 0.01% |
8,891
-23,910
| -73% | -$347K |
|
675
Strategy Inc Common Stock Class A
MSTR
$93.2B
| $129K | 0.01% |
+7,760
| New | +$129K |
|