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
|
+$80M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$45.3M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$38.8M |
| 4 |
Amazon
AMZN
|
+$38.6M |
| 5 |
Tesla
TSLA
|
+$36M |
Top Sells
| 1 |
Alibaba
BABA
|
+$46.4M |
| 2 |
Boeing
BA
|
+$29.8M |
| 3 |
SPDR Gold Trust
GLD
|
+$18.2M |
| 4 |
Biogen
BIIB
|
+$15.8M |
| 5 |
NVIDIA
NVDA
|
+$14.3M |
Sector Composition
| 1 | Technology | 22.73% |
| 2 | Consumer Discretionary | 17.54% |
| 3 | Communication Services | 10.03% |
| 4 | Healthcare | 9.29% |
| 5 | Industrials | 5.63% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1076
Equitable Holdings
EQH
$15.8B
| $82K | ﹤0.01% |
3,318
-30,338
| -90% | -$750K |
|
1077
ProShares Ultra Real Estate
URE
$59.5M
| $82K | ﹤0.01% |
+940
| New | +$82K |
|
1078
iShares MSCI Malaysia ETF
EWM
$242M
| $81K | ﹤0.01% |
+2,867
| New | +$81K |
|
1079
Helen of Troy
HELE
$550M
| $81K | ﹤0.01% |
451
-468
| -51% | -$84.1K |
|
1080
Prospect Capital
PSEC
$1.29B
| $81K | ﹤0.01% |
+12,723
| New | +$81K |
|
1081
ProShares UltraShort Russell2000
TWM
$34.3M
| $81K | ﹤0.01% |
325
+253
| +351% | +$63.1K |
|
1082
Green Dot
GDOT
$757M
| $80K | ﹤0.01% |
+3,466
| New | +$80K |
|
|
GOGL
1083
DELISTED
Golden Ocean Group
GOGL
| $80K | ﹤0.01% |
13,882
+5,556
| +67% | +$32K |
|
|
HES
1084
DELISTED
Hess
HES
| $80K | ﹤0.01% |
1,208
-16,264
| -93% | -$1.08M |
|
1085
Provident Financial Services
PFS
$2.59B
| $80K | ﹤0.01% |
3,251
+1,720
| +112% | +$42.3K |
|
1086
Wintrust Financial
WTFC
$9.17B
| $80K | ﹤0.01% |
1,132
+506
| +81% | +$35.8K |
|
|
TRHC
1087
DELISTED
Tabula Rasa HealthCare, Inc. Common Stock
TRHC
| $80K | ﹤0.01% |
+1,657
| New | +$80K |
|
1088
Inovio Pharmaceuticals
INO
$140M
| $79K | ﹤0.01% |
2,010
+977
| +95% | +$38.4K |
|
|
NPTN
1089
DELISTED
NEOPHOTONICS CORP
NPTN
| $79K | ﹤0.01% |
9,055
+3,963
| +78% | +$34.6K |
|
|
VER
1090
DELISTED
VEREIT, Inc.
VER
| $79K | ﹤0.01% |
1,711
-5,741
| -77% | -$265K |
|
1091
American Superconductor
AMSC
$2.32B
| $78K | ﹤0.01% |
9,956
+9,845
| +8,869% | +$77.1K |
|
|
ASA
1092
ASA Gold and Precious Metals
ASA
$760M
| $78K | ﹤0.01% |
5,781
-12,059
| -68% | -$163K |
|
|
HIMX
1093
Himax Technologies
HIMX
$1.47B
| $78K | ﹤0.01% |
29,656
-14,531
| -33% | -$38.2K |
|
1094
Sandstorm Gold
SAND
$3.4B
| $78K | ﹤0.01% |
10,533
-5,872
| -36% | -$43.5K |
|
1095
SITE Centers
SITC
$468M
| $78K | ﹤0.01% |
+7,212
| New | +$78K |
|
1096
Douglas Emmett
DEI
$2.75B
| $77K | ﹤0.01% |
1,766
+1,537
| +671% | +$67K |
|
1097
FirstCash
FCFS
$6.46B
| $77K | ﹤0.01% |
967
+869
| +887% | +$69.2K |
|
1098
Protolabs
PRLB
$1.17B
| $77K | ﹤0.01% |
+759
| New | +$77K |
|
1099
ProShares Ultra Euro
ULE
$7.21M
| $77K | ﹤0.01% |
5,600
| – | – |
|
|
INVX
1100
Innovex International, Inc.
INVX
$1.15B
| $77K | ﹤0.01% |
+1,652
| New | +$77K |
|