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 | |
|---|---|---|---|---|---|---|
976
Teradyne
TER
$18.2B
| $40K | ﹤0.01% |
1,951
-3,040
| -61% | -$62.3K |
|
|
CORV
977
DELISTED
Correvio Pharma Corp. Ordinary Shares (Canada)
CORV
| $40K | ﹤0.01% |
5,010
+4,928
| +6,010% | +$39.3K |
|
|
MLNX
978
DELISTED
Mellanox Technologies, Ltd.
MLNX
| $40K | ﹤0.01% |
970
-9,695
| -91% | -$400K |
|
979
Bankunited
BKU
$2.89B
| $39K | ﹤0.01% |
1,101
+367
| +50% | +$13K |
|
980
Donaldson
DCI
$9.49B
| $39K | ﹤0.01% |
+1,386
| New | +$39K |
|
981
Surmodics
SRDX
$457M
| $39K | ﹤0.01% |
1,946
-1,423
| -42% | -$28.5K |
|
|
CLMS
982
DELISTED
Calamos Asset Management, Inc.
CLMS
| $39K | ﹤0.01% |
+4,080
| New | +$39K |
|
|
HIBB
983
DELISTED
Hibbett, Inc. Common Stock
HIBB
| $39K | ﹤0.01% |
1,306
-1,655
| -56% | -$49.4K |
|
|
BOBE
984
DELISTED
Bob Evans Farms, Inc.
BOBE
| $39K | ﹤0.01% |
1,016
+1,012
| +25,300% | +$38.8K |
|
985
Azenta
AZTA
$1.4B
| $38K | ﹤0.01% |
3,560
-214
| -6% | -$2.28K |
|
986
Compañía de Minas Buenaventura
BVN
$5.09B
| $38K | ﹤0.01% |
8,950
+8,361
| +1,420% | +$35.5K |
|
987
Cogent Communications
CCOI
$1.85B
| $38K | ﹤0.01% |
1,109
-2,335
| -68% | -$80K |
|
988
Coherus Oncology, Inc. Common Stock
CHRS
$164M
| $38K | ﹤0.01% |
1,675
+1,566
| +1,437% | +$35.5K |
|
989
Invesco CurrencyShares Canadian Dollar Trust
FXC
$92.3M
| $38K | ﹤0.01% |
532
-3,374
| -86% | -$241K |
|
990
Greenlight Captial
GLRE
$436M
| $38K | ﹤0.01% |
2,034
+1,807
| +796% | +$33.8K |
|
991
Jazz Pharmaceuticals
JAZZ
$7.84B
| $38K | ﹤0.01% |
273
-4,621
| -94% | -$643K |
|
992
OneSpan
OSPN
$605M
| $38K | ﹤0.01% |
+2,328
| New | +$38K |
|
|
RDUS
993
DELISTED
Radius Recycling
RDUS
| $38K | ﹤0.01% |
2,713
+2,423
| +836% | +$33.9K |
|
994
Travelzoo
TZOO
$108M
| $38K | ﹤0.01% |
4,592
+1,408
| +44% | +$11.7K |
|
|
MTGE
995
DELISTED
MTGE Investment Corp. Common Stock
MTGE
| $38K | ﹤0.01% |
2,733
+463
| +20% | +$6.44K |
|
996
Direxion Daily Emerging Markets Bull 3X Shares
EDC
$102M
| $37K | ﹤0.01% |
805
-1,299
| -62% | -$59.7K |
|
997
Enphase Energy
ENPH
$5.2B
| $37K | ﹤0.01% |
10,709
-1,248
| -10% | -$4.31K |
|
998
ProShares UltraShort FTSE China 50 of ProShares Trust
FXP
$5.4M
| $37K | ﹤0.01% |
225
-1,597
| -88% | -$263K |
|
999
Matador Resources
MTDR
$5.95B
| $37K | ﹤0.01% |
1,922
-86
| -4% | -$1.66K |
|
1000
WESCO International
WCC
$10.5B
| $37K | ﹤0.01% |
859
+149
| +21% | +$6.42K |
|