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 | |
|---|---|---|---|---|---|---|
476
PUT
Qorvo
QRVO
$7.89B
| $11.1M | 0.02% |
860
+268
| +45% | +$33.2K |
|
477
PUT
Colgate-Palmolive
CL
$73.3B
| $11.1M | 0.02% |
1,437
+251
| +21% | +$19.1K |
|
478
CALL
Norwegian Cruise Line
NCLH
$8.87B
| $11.1M | 0.02% |
6,477
+1,150
| +22% | +$18.2K |
|
479
PUT
Ferrari
RACE
$65.4B
| $11.1M | 0.02% |
602
-689
| -53% | -$128K |
|
|
RAD
480
CALL
DELISTED
Rite Aid Corporation
RAD
| $11.1M | 0.02% |
11,650
-476
| -4% | -$6.79K |
|
481
PUT
International Flavors & Fragrances
IFF
$19.7B
| $11M | 0.02% |
898
+811
| +932% | +$101K |
|
482
CALL
Lyft
LYFT
$5.57B
| $11M | 0.01% |
3,981
-1,595
| -29% | -$47.4K |
|
483
Las Vegas Sands
LVS
$30B
| $10.9M | 0.01% |
233,915
+121,443
| +108% | +$5.8M |
|
484
PUT
Ball Corp
BALL
$16.6B
| $10.9M | 0.01% |
1,310
+551
| +73% | +$42.4K |
|
485
CALL
AutoZone
AZO
$48.5B
| $10.8M | 0.01% |
92
+39
| +74% | +$46.1K |
|
486
Lockheed Martin
LMT
$119B
| $10.8M | 0.01% |
28,188
+27,354
| +3,280% | +$10.4M |
|
487
CALL
McKesson
MCK
$95.3B
| $10.8M | 0.01% |
725
+627
| +640% | +$95.2K |
|
|
RDS.A
488
CALL
DELISTED
Royal Dutch Shell PLC ADS Class A
RDS.A
| $10.8M | 0.01% |
4,339
-3,239
| -43% | -$98K |
|
|
EXAS
489
PUT
DELISTED
Exact Sciences
EXAS
| $10.8M | 0.01% |
1,056
-143
| -12% | -$12.3K |
|
490
CALL
Humana
HUM
$47.7B
| $10.8M | 0.01% |
260
-189
| -42% | -$76K |
|
491
CALL
Exelon
EXC
$47.8B
| $10.7M | 0.01% |
4,209
+261
| +7% | +$6.92K |
|
492
CALL
STMicroelectronics
STM
$58.7B
| $10.7M | 0.01% |
3,498
+2,042
| +140% | +$60.1K |
|
|
TIF
493
DELISTED
Tiffany & Co.
TIF
| $10.7M | 0.01% |
92,638
+2,388
| +3% | +$290K |
|
494
CALL
BP
BP
$112B
| $10.7M | 0.01% |
6,137
-1,817
| -23% | -$39.3K |
|
495
PUT
Elastic
ESTC
$6.1B
| $10.7M | 0.01% |
990
-184
| -16% | -$18.1K |
|
|
WBA
496
PUT
DELISTED
Walgreens Boots Alliance
WBA
| $10.6M | 0.01% |
2,941
+1,341
| +84% | +$52.4K |
|
497
PUT
Arista Networks
ANET
$220B
| $10.6M | 0.01% |
8,160
+2,240
| +38% | +$30.8K |
|
498
CALL
Dominion Energy
D
$62.5B
| $10.5M | 0.01% |
1,335
+597
| +81% | +$46.9K |
|
499
CALL
Planet Fitness
PLNT
$4.28B
| $10.5M | 0.01% |
1,702
+936
| +122% | +$53.8K |
|
500
CALL
Cognizant
CTSH
$20.4B
| $10.5M | 0.01% |
1,506
+204
| +16% | +$13.3K |
|
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.