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 | |
|---|---|---|---|---|---|---|
1001
Teucrium Wheat Fund
WEAT
$120M
| $37K | ﹤0.01% |
4,138
+1,125
| +37% | +$10.1K |
|
|
GLUU
1002
DELISTED
Glu Mobile Inc.
GLUU
| $37K | ﹤0.01% |
+15,304
| New | +$37K |
|
|
MRD
1003
DELISTED
MEMORIAL RESOURCE DEV CORP COM STK (DE)
MRD
| $37K | ﹤0.01% |
2,341
-14,337
| -86% | -$227K |
|
|
BDBD
1004
DELISTED
BOULDER BRANDS INC
BDBD
| $37K | ﹤0.01% |
3,390
-18,511
| -85% | -$202K |
|
|
ARMH
1005
DELISTED
ARM HOLDINGS PLC ADS
ARMH
| $37K | ﹤0.01% |
830
-1,460
| -64% | -$65.1K |
|
|
SWFT
1006
DELISTED
Swift Transportation Company
SWFT
| $37K | ﹤0.01% |
2,704
+1,332
| +97% | +$18.2K |
|
1007
CF Industries
CF
$13.7B
| $36K | ﹤0.01% |
+884
| New | +$36K |
|
1008
Grifois
GRFS
$6.7B
| $36K | ﹤0.01% |
2,252
-69,340
| -97% | -$1.11M |
|
1009
Itron
ITRI
$5.41B
| $36K | ﹤0.01% |
1,017
+974
| +2,265% | +$34.5K |
|
1010
Karyopharm Therapeutics
KPTI
$54.1M
| $36K | ﹤0.01% |
186
-618
| -77% | -$120K |
|
1011
ProShares UltraShort MidCap400
MZZ
$942K
| $36K | ﹤0.01% |
224
-1,037
| -82% | -$167K |
|
|
MSGN
1012
DELISTED
MSG Networks Inc.
MSGN
| $36K | ﹤0.01% |
+1,754
| New | +$36K |
|
|
PRCP
1013
DELISTED
Perceptron Inc
PRCP
| $36K | ﹤0.01% |
4,655
+2,463
| +112% | +$19K |
|
|
FCSC
1014
DELISTED
Fibrocell Science Inc.
FCSC
| $36K | ﹤0.01% |
+538
| New | +$36K |
|
|
BRSS
1015
DELISTED
Global Brass & Copper Hldgs, Inc
BRSS
| $36K | ﹤0.01% |
1,707
-2,563
| -60% | -$54.1K |
|
|
CTCT
1016
DELISTED
CONSTANT CONTACT, INC COM
CTCT
| $36K | ﹤0.01% |
+1,235
| New | +$36K |
|
1017
Allete
ALE
$3.72B
| $35K | ﹤0.01% |
+689
| New | +$35K |
|
1018
Granite Construction
GVA
$4.78B
| $35K | ﹤0.01% |
836
+808
| +2,886% | +$33.8K |
|
1019
HUB Group
HUBG
$2.3B
| $35K | ﹤0.01% |
+2,178
| New | +$35K |
|
1020
Kulicke & Soffa
KLIC
$2.16B
| $35K | ﹤0.01% |
+3,016
| New | +$35K |
|
1021
Revvity
RVTY
$10.1B
| $35K | ﹤0.01% |
659
-1,310
| -67% | -$69.6K |
|
1022
Banco Santander
SAN
$149B
| $35K | ﹤0.01% |
7,601
-11,716
| -61% | -$53.9K |
|
|
CDMO
1023
DELISTED
Avid Bioservices, Inc. Common Stock
CDMO
| $35K | ﹤0.01% |
4,388
+1,985
| +83% | +$15.8K |
|
|
COL
1024
DELISTED
Rockwell Collins
COL
| $35K | ﹤0.01% |
387
+152
| +65% | +$13.7K |
|
1025
American Express
AXP
$233B
| $34K | ﹤0.01% |
500
-47,925
| -99% | -$3.26M |
|