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 |
Amazon
AMZN
|
+$158M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$69.1M |
| 3 |
Meta Platforms (Facebook)
META
|
+$57.4M |
| 4 |
Citigroup
C
|
+$23.4M |
| 5 |
Goldman Sachs
GS
|
+$23M |
Top Sells
| 1 |
Apple
AAPL
|
+$49.8M |
| 2 |
Berkshire Hathaway Class B
BRK.B
|
+$43.2M |
| 3 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$42.2M |
| 4 |
Micron Technology
MU
|
+$26.1M |
| 5 |
Adobe
ADBE
|
+$21M |
Sector Composition
| 1 | Consumer Discretionary | 20.63% |
| 2 | Communication Services | 16.3% |
| 3 | Technology | 12.42% |
| 4 | Industrials | 9.24% |
| 5 | Healthcare | 8.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
651
Western Union
WU
$2.75B
| $288K | ﹤0.01% |
15,148
+5,846
| +63% | +$111K |
|
652
Sangamo Therapeutics
SGMO
$164M
| $287K | ﹤0.01% |
16,960
-33,783
| -67% | -$572K |
|
|
AHL
653
DELISTED
ASPEN Insurance Holding Limited
AHL
| $287K | ﹤0.01% |
+6,887
| New | +$287K |
|
654
iShares Select Dividend ETF
DVY
$20.7B
| $283K | ﹤0.01% |
2,844
-6,279
| -69% | -$625K |
|
655
BlackLine
BL
$3.35B
| $282K | ﹤0.01% |
4,998
-16,345
| -77% | -$922K |
|
656
Innovator IBD 50 ETF
FFTY
$80.4M
| $281K | ﹤0.01% |
7,313
+3,762
| +106% | +$145K |
|
|
CDMO
657
DELISTED
Avid Bioservices, Inc. Common Stock
CDMO
| $280K | ﹤0.01% |
40,824
+19,534
| +92% | +$134K |
|
658
Global X MSCI Greece ETF
GREK
$307M
| $278K | ﹤0.01% |
11,207
+977
| +10% | +$24.2K |
|
659
Federated Hermes
FHI
$4.1B
| $277K | ﹤0.01% |
11,515
-4,620
| -29% | -$111K |
|
|
WLL
660
DELISTED
Whiting Petroleum Corporation
WLL
| $275K | ﹤0.01% |
69
+49
| +245% | +$195K |
|
|
QTNA
661
DELISTED
Quantenna Communications, Inc. Common Stock
QTNA
| $274K | ﹤0.01% |
14,872
+6,151
| +71% | +$113K |
|
662
iShares MSCI Europe Financials ETF
EUFN
$4.43B
| $273K | ﹤0.01% |
13,501
+13,345
| +8,554% | +$270K |
|
663
TherapeuticsMD
TXMD
$12.4M
| $273K | ﹤0.01% |
834
+667
| +399% | +$218K |
|
664
National Healthcare
NHC
$1.76B
| $270K | ﹤0.01% |
+3,585
| New | +$270K |
|
665
TD Synnex
SNX
$12.6B
| $270K | ﹤0.01% |
6,390
+2,462
| +63% | +$104K |
|
|
NBEV
666
DELISTED
NewAge, Inc. Common Stock (Delaware)
NBEV
| $269K | ﹤0.01% |
+50,391
| New | +$269K |
|
|
REV
667
DELISTED
Revlon, Inc.
REV
| $269K | ﹤0.01% |
12,100
+2,323
| +24% | +$51.6K |
|
668
Northern Oil and Gas
NOG
$2.49B
| $268K | ﹤0.01% |
6,720
+5,385
| +403% | +$215K |
|
669
Bruker
BRKR
$4.67B
| $267K | ﹤0.01% |
8,011
+7,209
| +899% | +$240K |
|
670
KB Home
KBH
$4.5B
| $267K | ﹤0.01% |
11,175
+10,098
| +938% | +$241K |
|
671
Canadian National Railway
CNI
$58B
| $266K | ﹤0.01% |
2,967
+549
| +23% | +$49.2K |
|
672
Canadian Natural Resources
CNQ
$64.7B
| $266K | ﹤0.01% |
16,655
+7,164
| +75% | +$114K |
|
673
Direxion Daily Emerging Markets Bull 3X Shares
EDC
$93.9M
| $265K | ﹤0.01% |
3,127
+1,436
| +85% | +$122K |
|
|
PGTI
674
DELISTED
PGT, Inc.
PGTI
| $265K | ﹤0.01% |
12,286
-6,948
| -36% | -$150K |
|
675
Ericsson
ERIC
$26.5B
| $264K | ﹤0.01% |
30,076
-53,683
| -64% | -$471K |
|