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 | |
|---|---|---|---|---|---|---|
451
PUT
US Bancorp Series B Preferred Stock
USB.PRH
$747M
| $12.2M | 0.02% |
3,403
+1,627
| +92% | +$35.4K |
|
452
PUT
Intuit
INTU
$77.8B
| $12.2M | 0.02% |
373
-100
| -21% | -$31.3K |
|
453
Goldman Sachs
GS
$324B
| $12.1M | 0.02% |
+60,397
| New | +$12.3M |
|
|
CMRC
454
CALL
Commerce.com Inc Series 1
CMRC
$224M
| $12.1M | 0.02% |
+1,454
| New | +$127K |
|
455
CALL
VanEck Durable High Dividend ETF
DURA
$38.5M
| $12.1M | 0.02% |
1,252
-5,366
| -81% | -$143K |
|
456
CALL
AB InBev
BUD
$161B
| $12M | 0.02% |
+2,236
| New | +$124K |
|
457
CALL
Wheaton Precious Metals
WPM
$50.6B
| $12M | 0.02% |
2,455
+413
| +20% | +$21.1K |
|
458
Johnson & Johnson
JNJ
$615B
| $12M | 0.02% |
+80,358
| New | +$11.9M |
|
459
CALL
TJX Companies
TJX
$172B
| $11.8M | 0.02% |
2,122
-557
| -21% | -$30K |
|
460
CALL
Duke Energy
DUK
$99.7B
| $11.8M | 0.02% |
1,332
-25
| -2% | -$2.06K |
|
461
PUT
Lyft
LYFT
$5.57B
| $11.7M | 0.02% |
4,248
-1,476
| -26% | -$43.9K |
|
462
PUT
Estee Lauder
EL
$29.9B
| $11.7M | 0.02% |
536
+164
| +44% | +$33.7K |
|
463
ServiceNow
NOW
$98.4B
| $11.6M | 0.02% |
119,825
+76,720
| +178% | +$6.85M |
|
|
B
464
Barrick Mining
B
$62.8B
| $11.6M | 0.02% |
412,853
-31,234
| -7% | -$890K |
|
465
PUT
Philip Morris
PM
$303B
| $11.6M | 0.02% |
1,544
+820
| +113% | +$63.3K |
|
|
WBA
466
CALL
DELISTED
Walgreens Boots Alliance
WBA
| $11.5M | 0.02% |
3,212
-509
| -14% | -$19.9K |
|
467
CALL
ConocoPhillips
COP
$145B
| $11.4M | 0.02% |
3,478
+811
| +30% | +$30.7K |
|
468
CALL
Elevance Health
ELV
$84.4B
| $11.4M | 0.02% |
425
-56
| -12% | -$15.1K |
|
469
PUT
Motorola Solutions
MSI
$67.1B
| $11.4M | 0.02% |
727
+547
| +304% | +$79.9K |
|
470
Salesforce
CRM
$133B
| $11.3M | 0.02% |
45,151
+29,646
| +191% | +$6.49M |
|
|
471
CALL
US Bancorp Series B Preferred Stock
USB.PRH
$747M
| $11.3M | 0.02% |
3,165
-153
| -5% | -$3.33K |
|
472
CALL
Virgin Galactic
SPCE
$343M
| $11.3M | 0.02% |
295
+45
| +18% | +$17.1K |
|
473
PUT
Kroger
KR
$35.3B
| $11.2M | 0.02% |
3,303
+283
| +9% | +$9.78K |
|
474
PUT
ASML
ASML
$692B
| $11.2M | 0.02% |
302
-242
| -44% | -$90.5K |
|
|
PARA
475
CALL
DELISTED
Paramount Global Class B
PARA
| $11.1M | 0.02% |
3,971
+31
| +0.8% | +$830 |
|
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.