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
| Rank | Stock | Value |
|---|---|---|
| 1 |
SPDR Gold Trust
GLD
|
+$31.6M |
| 2 |
iShares Silver Trust
SLV
|
+$28.1M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$25.1M |
| 4 |
JPMorgan Chase
JPM
|
+$24.5M |
| 5 |
Direxion Daily Junior Gold Miners Index Bull 2X ETF
JNUG
|
+$24M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Alphabet (Google) Class C
GOOG
|
+$51.6M |
| 2 |
Amazon
AMZN
|
+$47.4M |
| 3 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$44.7M |
| 4 |
Netflix
NFLX
|
+$38.3M |
| 5 |
NVIDIA
NVDA
|
+$31.1M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.49% |
| 2 | Healthcare | 0.33% |
| 3 | Consumer Discretionary | 0.32% |
| 4 | Financials | 0.16% |
| 5 | Communication Services | 0.16% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2126
CALL
Newell Brands
NWL
$2.16B
| $774K | ﹤0.01% |
583
-268
| -31% | -$4.61K |
|
|
CLR
2127
PUT
DELISTED
CONTINENTAL RESOURCES INC.
CLR
| $774K | ﹤0.01% |
1,014
+645
| +175% | +$14.4K |
|
2128
CALL
Takeda Pharmaceutical
TAK
$55.1B
| $773K | ﹤0.01% |
+510
| New | +$9.24K |
|
2129
Wabtec
WAB
$51.1B
| $773K | ﹤0.01% |
+16,073
| New | +$1.1M |
|
2130
CALL
Healthpeak Properties
DOC
$15.4B
| $772K | ﹤0.01% |
324
+210
| +184% | +$6.84K |
|
|
EMBJ
2131
PUT
Embraer S.A. ADS
EMBJ
$11.6B
| $771K | ﹤0.01% |
1,043
-372
| -26% | -$5.63K |
|
2132
CALL
Tyler Technologies
TYL
$12.2B
| $771K | ﹤0.01% |
26
-123
| -83% | -$38.1K |
|
2133
US Global Jets ETF
JETS
$802M
| $770K | ﹤0.01% |
+52,317
| New | +$1.36M |
|
2134
PUT
Huazhu Hotels Group
HTHT
$12.4B
| $767K | ﹤0.01% |
267
+256
| +2,327% | +$8.71K |
|
2135
PUT
Blackbaud
BLKB
$1.5B
| $766K | ﹤0.01% |
138
+120
| +667% | +$8.49K |
|
2136
PUT
Badger Meter
BMI
$3.66B
| $766K | ﹤0.01% |
143
+133
| +1,330% | +$8.1K |
|
2137
CEL-SCI Corp
CVM
$20.6M
| $766K | ﹤0.01% |
+2,213
| New | +$809K |
|
|
CVM.WS
2138
CALL
DELISTED
Cel-Sci Corp Series S
CVM.WS
| $766K | ﹤0.01% |
664
+328
| +98% | +$378K |
|
2139
Goodyear
GT
$2.07B
| $765K | ﹤0.01% |
131,537
+117,155
| +815% | +$1.28M |
|
2140
Banco Bilbao Vizcaya Argentaria
BBVA
$144B
| $764K | ﹤0.01% |
249,984
+168,820
| +208% | +$802K |
|
|
CBB
2141
PUT
DELISTED
Cincinnati Bell Inc.
CBB
| $764K | ﹤0.01% |
522
+78
| +18% | +$1.01K |
|
|
CZR
2142
DELISTED
Caesars Entertainment Corporation
CZR
| $763K | ﹤0.01% |
112,900
+49,485
| +78% | +$582K |
|
2143
iShares MSCI Canada ETF
EWC
$6.04B
| $762K | ﹤0.01% |
+34,914
| New | +$956K |
|
2144
Hewlett Packard
HPE
$63.2B
| $762K | ﹤0.01% |
78,493
+30,229
| +63% | +$396K |
|
2145
PUT
TG Therapeutics
TGTX
$8.58B
| $762K | ﹤0.01% |
775
+320
| +70% | +$4.04K |
|
|
AXNX
2146
CALL
DELISTED
Axonics, Inc. Common Stock
AXNX
| $762K | ﹤0.01% |
300
-108
| -26% | -$3.21K |
|
|
EBIX
2147
CALL
DELISTED
Ebix Inc
EBIX
| $762K | ﹤0.01% |
502
+307
| +157% | +$8.75K |
|
2148
Raymond James Financial
RJF
$32.5B
| $761K | ﹤0.01% |
+18,078
| New | +$1.02M |
|
|
JOYY
2149
CALL
JOYY Inc
JOYY
$3.73B
| $761K | ﹤0.01% |
143
-124
| -46% | -$7.2K |
|
|
2150
Amazon
AMZN
$2.5T
| $760K | ﹤0.01% |
7,800
-489,620
| -98% | -$47.4M |
|
Similar funds
Simplex Trading's Q1 2020 Portfolio in Review
As of Q1 2020, Simplex Trading held 8,783 positions worth $56.7B, up 24% from $45.7B the previous quarter. Its ten largest holdings account for 50% of the portfolio.
Simplex Trading's Q1 2020 filing shows 1,512 new, 3,249 increased, 2,705 reduced and 1,159 closed positions. Its largest new stake was SPDR Gold Trust: 212,230 shares worth $31.4M. The largest sale was Alphabet (Google) Class C, an estimated $51.6M.
By sector, the portfolio is most concentrated in Technology at 0.49% of assets, down from 0.75% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Simplex Trading's largest Q1 2020 buy was SPDR Gold Trust: 212,230 shares worth $31.4M.
- Simplex Trading added most to JPMorgan Chase in Q1 2020, an estimated $24.5M increase.
- Simplex Trading's biggest Q1 2020 reduction was Amazon, cutting an estimated $47.4M.
- Simplex Trading fully exited Alphabet (Google) Class C in Q1 2020, selling an estimated $51.6M.
- Simplex Trading's ten largest holdings make up 50% of its $56.7B portfolio in Q1 2020.
- Simplex Trading opened 1,512 new positions and closed 1,159 in Q1 2020.
- Simplex Trading's portfolio value rose 24% quarter-over-quarter to $56.7B.
Based on Simplex Trading's 13F filing for Q1 2020, filed 29 Apr 2020.