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 | |
|---|---|---|---|---|---|---|
801
Carvana
CVNA
$43.4B
| $5.52M | 0.01% |
123,760
+123,260
| +24,652% | +$4.37M |
|
802
PUT
Keysight
KEYS
$56.1B
| $5.52M | 0.01% |
559
+252
| +82% | +$24.8K |
|
|
NVTA
803
CALL
DELISTED
Invitae Corporation
NVTA
| $5.52M | 0.01% |
1,273
-282
| -18% | -$9.62K |
|
804
CALL
Rio Tinto
RIO
$149B
| $5.51M | 0.01% |
913
-1,208
| -57% | -$74.1K |
|
805
Bank of America
BAC
$429B
| $5.5M | 0.01% |
228,280
-608,290
| -73% | -$15.1M |
|
806
PUT
Herbalife
HLF
$1.23B
| $5.49M | 0.01% |
1,177
-62
| -5% | -$3.04K |
|
|
DAY
807
CALL
DELISTED
Dayforce
DAY
| $5.49M | 0.01% |
664
+123
| +23% | +$9.62K |
|
808
PUT
Hasbro
HAS
$12.3B
| $5.48M | 0.01% |
663
+124
| +23% | +$9.6K |
|
809
CALL
Ford
F
$56.4B
| $5.48M | 0.01% |
8,231
+2,591
| +46% | +$17.5K |
|
810
CALL
CryoPort
CYRX
$807M
| $5.48M | 0.01% |
1,156
+1,152
| +28,800% | +$46.7K |
|
811
PUT
Moody's
MCO
$83.1B
| $5.48M | 0.01% |
189
+14
| +8% | +$4K |
|
812
CALL
Check Point Software Technologies
CHKP
$13.1B
| $5.46M | 0.01% |
454
-215
| -32% | -$26.2K |
|
813
PUT
Cheesecake Factory
CAKE
$4.2B
| $5.46M | 0.01% |
1,969
+1,067
| +118% | +$28K |
|
814
PUT
GSK
GSK
$101B
| $5.44M | 0.01% |
1,157
+4
| +0.3% | +$200 |
|
|
PLAN
815
CALL
DELISTED
Anaplan, Inc.
PLAN
| $5.44M | 0.01% |
869
+633
| +268% | +$32.6K |
|
816
CALL
Royal Bank of Canada
RY
$289B
| $5.43M | 0.01% |
774
-619
| -44% | -$44.5K |
|
817
PUT
Church & Dwight Co
CHD
$22.6B
| $5.42M | 0.01% |
579
+168
| +41% | +$15.3K |
|
818
PUT
EOG Resources
EOG
$78.1B
| $5.42M | 0.01% |
1,509
-1,102
| -42% | -$49.4K |
|
|
GOOS
819
PUT
Canada Goose Holdings
GOOS
$903M
| $5.42M | 0.01% |
1,684
+729
| +76% | +$17.9K |
|
820
CALL
HCA Healthcare
HCA
$82.7B
| $5.41M | 0.01% |
434
-57
| -12% | -$7.05K |
|
821
CALL
Red Rock Resorts
RRR
$3.66B
| $5.39M | 0.01% |
3,155
+2,806
| +804% | +$40.8K |
|
822
Norwegian Cruise Line
NCLH
$8.53B
| $5.39M | 0.01% |
315,272
-90,893
| -22% | -$1.44M |
|
823
PUT
Sarepta Therapeutics
SRPT
$1.68B
| $5.39M | 0.01% |
384
+143
| +59% | +$21.7K |
|
|
FITB
824
CALL
Fifth Third Bancorp
FITB
$51.4B
| $5.39M | 0.01% |
2,528
-1,493
| -37% | -$30.1K |
|
825
CALL
Illinois Tool Works
ITW
$79B
| $5.37M | 0.01% |
278
+166
| +148% | +$31.5K |
|
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.