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 |
Amazon
AMZN
|
+$102M |
| 2 |
TSMC
TSM
|
+$27.8M |
| 3 |
JPMorgan Chase
JPM
|
+$22.4M |
| 4 |
Boeing
BA
|
+$19.4M |
| 5 |
ExxonMobil
XOM
|
+$14.7M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
SPDR Gold Trust
GLD
|
+$95.5M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$79.6M |
| 3 |
Tesla
TSLA
|
+$75.3M |
| 4 |
NVIDIA
NVDA
|
+$51.6M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.53% |
| 2 | Technology | 0.4% |
| 3 | Healthcare | 0.22% |
| 4 | Financials | 0.21% |
| 5 | Communication Services | 0.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1901
CALL
Walker & Dunlop
WD
$1.65B
| $1.36M | ﹤0.01% |
257
+192
| +295% | +$10.1K |
|
1902
Fidelity National Information Services
FIS
$21.5B
| $1.36M | ﹤0.01% |
9,239
+6,577
| +247% | +$951K |
|
1903
CALL
National Beverage
FIZZ
$2.87B
| $1.36M | ﹤0.01% |
400
-12
| -3% | -$420 |
|
|
GOOS
1904
Canada Goose Holdings
GOOS
$868M
| $1.35M | ﹤0.01% |
+42,035
| New | +$1.03M |
|
1905
PUT
TG Therapeutics
TGTX
$8.58B
| $1.35M | ﹤0.01% |
505
-216
| -30% | -$4.97K |
|
1906
PUT
Trupanion
TRUP
$1.05B
| $1.35M | ﹤0.01% |
171
+146
| +584% | +$8.76K |
|
1907
CALL
Vistra
VST
$55.1B
| $1.35M | ﹤0.01% |
715
+38
| +6% | +$716 |
|
|
AMED
1908
PUT
DELISTED
Amedisys
AMED
| $1.35M | ﹤0.01% |
57
+41
| +256% | +$9.32K |
|
1909
CALL
Virtu Financial
VIRT
$5.2B
| $1.35M | ﹤0.01% |
585
+32
| +6% | +$803 |
|
1910
CALL
Sensata Technologies
ST
$6.65B
| $1.34M | ﹤0.01% |
312
-88
| -22% | -$3.58K |
|
1911
PUT
Copa Holdings
CPA
$5.56B
| $1.34M | ﹤0.01% |
267
-143
| -35% | -$7.22K |
|
1912
CALL
Vicor
VICR
$9.62B
| $1.34M | ﹤0.01% |
173
+75
| +77% | +$5.97K |
|
1913
PUT
Vodafone
VOD
$34.9B
| $1.34M | ﹤0.01% |
1,002
+276
| +38% | +$4.16K |
|
1914
Albertsons Companies
ACI
$5.4B
| $1.34M | ﹤0.01% |
+96,917
| New | +$1.41M |
|
1915
Bristol-Myers Squibb
BMY
$127B
| $1.34M | ﹤0.01% |
22,269
-167,000
| -88% | -$10.1M |
|
1916
PUT
Lemonade
LMND
$4.62B
| $1.34M | ﹤0.01% |
+270
| New | +$17K |
|
1917
CALL
NetApp
NTAP
$32.9B
| $1.34M | ﹤0.01% |
306
+22
| +8% | +$960 |
|
|
TUP
1918
CALL
DELISTED
Tupperware Brands Corporation
TUP
| $1.34M | ﹤0.01% |
665
-95
| -13% | -$1.44K |
|
|
TTM.RT
1919
PUT
DELISTED
TATA MOTORS LIMITED RT PUR ADR
TTM.RT
| $1.34M | ﹤0.01% |
1,475
+321
| +28% | +$292K |
|
1920
PUT
Zebra Technologies
ZBRA
$12.4B
| $1.34M | ﹤0.01% |
53
-45
| -46% | -$12.1K |
|
1921
CALL
Fox Factory Holding Corp
FOXF
$776M
| $1.34M | ﹤0.01% |
180
-121
| -40% | -$10.9K |
|
|
PPL
1922
PUT
PPL Corp
PPL
$27.3B
| $1.34M | ﹤0.01% |
491
-158
| -24% | -$4.26K |
|
1923
PUT
Cincinnati Financial
CINF
$28.3B
| $1.33M | ﹤0.01% |
171
-132
| -44% | -$10.2K |
|
1924
PUT
Dorman Products
DORM
$4.01B
| $1.33M | ﹤0.01% |
147
-37
| -20% | -$2.96K |
|
|
FSR
1925
PUT
DELISTED
Fisker Inc.
FSR
| $1.33M | ﹤0.01% |
+921
| New | +$12.6K |
|
Similar funds
Simplex Trading's Q3 2020 Portfolio in Review
As of Q3 2020, Simplex Trading held 9,056 positions worth $73.5B, up 17% from $62.7B the previous quarter. Its ten largest holdings account for 43% of the portfolio.
Simplex Trading's Q3 2020 filing shows 1,403 new, 3,135 increased, 3,122 reduced and 1,191 closed positions. Its largest new stake was Goldman Sachs: 60,397 shares worth $12.1M. The largest sale was SPDR Gold Trust, an estimated $95.5M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.53% of assets, up from 0.47% a quarter earlier, followed by Technology and Healthcare.
- Simplex Trading's largest Q3 2020 buy was Goldman Sachs: 60,397 shares worth $12.1M.
- Simplex Trading added most to Amazon in Q3 2020, an estimated $102M increase.
- Simplex Trading's biggest Q3 2020 reduction was SPDR Gold Trust, cutting an estimated $95.5M.
- Simplex Trading fully exited iShares MSCI EAFE ETF in Q3 2020, selling an estimated $40.5M.
- Simplex Trading's ten largest holdings make up 43% of its $73.5B portfolio in Q3 2020.
- Simplex Trading opened 1,403 new positions and closed 1,191 in Q3 2020.
- Simplex Trading's portfolio value rose 17% quarter-over-quarter to $73.5B.
Based on Simplex Trading's 13F filing for Q3 2020, filed 14 Oct 2020.