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 |
Alphabet (Google) Class C
GOOG
|
+$54.6M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$52.5M |
| 3 |
SPDR S&P 500 ETF Trust
SPY
|
+$40.9M |
| 4 |
Apple
AAPL
|
+$16.5M |
| 5 |
Visa
V
|
+$12M |
Top Sells
| 1 |
Amazon
AMZN
|
+$98.7M |
| 2 |
Meta Platforms (Facebook)
META
|
+$70.7M |
| 3 |
Invesco QQQ Trust
QQQ
|
+$33.4M |
| 4 |
Goldman Sachs
GS
|
+$30.2M |
| 5 |
Boeing
BA
|
+$26.5M |
Sector Composition
| 1 | Communication Services | 14.71% |
| 2 | Consumer Discretionary | 14.32% |
| 3 | Technology | 11.86% |
| 4 | Financials | 7.38% |
| 5 | Industrials | 6.44% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
801
Kimco Realty
KIM
$15.2B
| $118K | ﹤0.01% |
8,112
-26,841
| -77% | -$390K |
|
802
Public Service Enterprise Group
PEG
$41B
| $118K | ﹤0.01% |
+2,274
| New | +$118K |
|
|
ISBC
803
DELISTED
Investors Bancorp, Inc.
ISBC
| $118K | ﹤0.01% |
11,383
+6,986
| +159% | +$72.4K |
|
804
BRF SA
BRFS
$6.07B
| $117K | ﹤0.01% |
20,728
-14,245
| -41% | -$80.4K |
|
805
B2Gold
BTG
$5.9B
| $117K | ﹤0.01% |
+40,307
| New | +$117K |
|
806
Trex
TREX
$6.68B
| $117K | ﹤0.01% |
+3,972
| New | +$117K |
|
807
Westamerica Bancorp
WABC
$1.26B
| $117K | ﹤0.01% |
2,113
+1,716
| +432% | +$95K |
|
|
TYME
808
DELISTED
Tyme Technologies, Inc. Common Stock
TYME
| $117K | ﹤0.01% |
+31,900
| New | +$117K |
|
|
ARQL
809
DELISTED
Arqule Inc
ARQL
| $117K | ﹤0.01% |
42,356
+18,577
| +78% | +$51.3K |
|
810
Opko Health
OPK
$1.14B
| $116K | ﹤0.01% |
+38,752
| New | +$116K |
|
811
Veracyte
VCYT
$2.51B
| $116K | ﹤0.01% |
+9,234
| New | +$116K |
|
|
WCG
812
DELISTED
Wellcare Health Plans, Inc.
WCG
| $116K | ﹤0.01% |
493
-1,180
| -71% | -$278K |
|
813
Domo
DOMO
$690M
| $115K | ﹤0.01% |
5,864
-2,706
| -32% | -$53.1K |
|
814
Ericsson
ERIC
$26.8B
| $115K | ﹤0.01% |
13,076
-17,000
| -57% | -$150K |
|
815
Navient
NAVI
$1.31B
| $115K | ﹤0.01% |
+13,100
| New | +$115K |
|
816
Zillow
Z
$21.6B
| $115K | ﹤0.01% |
3,643
-52,352
| -93% | -$1.65M |
|
|
ATRS
817
DELISTED
Antares Pharma, Inc.
ATRS
| $115K | ﹤0.01% |
42,541
-18,581
| -30% | -$50.2K |
|
|
ILPT
818
Industrial Logistics Properties Trust
ILPT
$417M
| $114K | ﹤0.01% |
+5,823
| New | +$114K |
|
819
Beazer Homes USA
BZH
$775M
| $113K | ﹤0.01% |
11,924
+11,824
| +11,824% | +$112K |
|
820
iShares MSCI Poland ETF
EPOL
$458M
| $113K | ﹤0.01% |
+4,907
| New | +$113K |
|
|
MTOR
821
DELISTED
MERITOR, Inc.
MTOR
| $113K | ﹤0.01% |
6,706
+4,157
| +163% | +$70K |
|
822
VanEck Brazil Small-Cap ETF
BRF
$21.7M
| $112K | ﹤0.01% |
5,629
+5,455
| +3,135% | +$109K |
|
823
Ryman Hospitality Properties
RHP
$6.35B
| $112K | ﹤0.01% |
1,690
+1,376
| +438% | +$91.2K |
|
824
Vanguard Energy ETF
VDE
$7.33B
| $112K | ﹤0.01% |
1,459
+960
| +192% | +$73.7K |
|
825
Ameris Bancorp
ABCB
$5.12B
| $111K | ﹤0.01% |
+3,527
| New | +$111K |
|