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 | |
|---|---|---|---|---|---|---|
501
PUT
HSBC
HSBC
$354B
| $10.4M | 0.01% |
5,335
+495
| +10% | +$10.9K |
|
502
CALL
MetLife
MET
$60B
| $10.4M | 0.01% |
2,810
+769
| +38% | +$29.2K |
|
503
PUT
Logitech
LOGI
$15B
| $10.4M | 0.01% |
1,350
+434
| +47% | +$31K |
|
504
PUT
Wheaton Precious Metals
WPM
$50.6B
| $10.3M | 0.01% |
2,105
+1,254
| +147% | +$63.9K |
|
505
PUT
Elevance Health
ELV
$84.4B
| $10.3M | 0.01% |
384
+50
| +15% | +$13.5K |
|
506
PUT
ConocoPhillips
COP
$145B
| $10.3M | 0.01% |
3,128
+144
| +5% | +$5.46K |
|
507
PUT
Zillow
Z
$7.18B
| $10.3M | 0.01% |
1,011
-685
| -40% | -$53.5K |
|
|
SCHW
508
CALL
Charles Schwab
SCHW
$175B
| $10.3M | 0.01% |
2,833
-517
| -15% | -$18K |
|
509
PUT
Trip.com Group
TCOM
$26.8B
| $10.2M | 0.01% |
3,274
-1,108
| -25% | -$31.5K |
|
510
VanEck Gold Miners ETF
GDX
$23.4B
| $10.1M | 0.01% |
258,233
-588,088
| -69% | -$24M |
|
511
Alphabet (Google) Class C
GOOG
$4.17T
| $10.1M | 0.01% |
+137,260
| New | +$10.5M |
|
512
CALL
Chubb
CB
$133B
| $10.1M | 0.01% |
866
+65
| +8% | +$8.16K |
|
513
Etsy
ETSY
$7.64B
| $10M | 0.01% |
+82,455
| New | +$9.65M |
|
|
BNY
514
PUT
Bank of New York Mellon
BNY
$110B
| $9.98M | 0.01% |
2,906
+1,626
| +127% | +$59.2K |
|
515
CALL
AGNC Investment
AGNC
$12.3B
| $9.8M | 0.01% |
7,043
+3,371
| +92% | +$46.4K |
|
|
EXAS
516
CALL
DELISTED
Exact Sciences
EXAS
| $9.78M | 0.01% |
959
+238
| +33% | +$20.6K |
|
517
United States Oil Fund
USO
$2.36B
| $9.75M | 0.01% |
344,726
-185,354
| -35% | -$5.42M |
|
518
Marriott International
MAR
$97.5B
| $9.73M | 0.01% |
105,147
+100,326
| +2,081% | +$9.46M |
|
519
PUT
SS&C Technologies
SSNC
$16.1B
| $9.69M | 0.01% |
1,601
+544
| +51% | +$32.5K |
|
520
CALL
PNC Financial Services
PNC
$101B
| $9.63M | 0.01% |
876
+44
| +5% | +$4.73K |
|
521
PUT
Northrop Grumman
NOC
$74.6B
| $9.59M | 0.01% |
304
-43
| -12% | -$14K |
|
522
Broadcom
AVGO
$1.89T
| $9.59M | 0.01% |
263,130
+64,710
| +33% | +$2.17M |
|
|
GAP
523
CALL
The Gap Inc
GAP
$7.07B
| $9.57M | 0.01% |
5,618
+816
| +17% | +$12.2K |
|
524
PUT
Caesars Entertainment
CZR
$6.1B
| $9.48M | 0.01% |
1,691
-189
| -10% | -$8.3K |
|
525
PUT
Avis
CAR
$5.81B
| $9.46M | 0.01% |
3,596
+80
| +2% | +$2.41K |
|
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.