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 | |
|---|---|---|---|---|---|---|
776
CALL
Thomson Reuters
TRI
$37.1B
| $5.81M | 0.01% |
691
-389
| -36% | -$30.3K |
|
777
Southwest Airlines
LUV
$22.2B
| $5.8M | 0.01% |
154,731
+142,551
| +1,170% | +$5.06M |
|
778
CALL
Camping World
CWH
$365M
| $5.79M | 0.01% |
1,947
+328
| +20% | +$10.7K |
|
779
CALL
Dell
DELL
$286B
| $5.79M | 0.01% |
1,687
+174
| +12% | +$5.43K |
|
780
CALL
Intuit
INTU
$76.8B
| $5.74M | 0.01% |
176
-159
| -47% | -$49.7K |
|
781
PUT
Ericsson
ERIC
$30.7B
| $5.73M | 0.01% |
5,261
+3,589
| +215% | +$39.6K |
|
782
CALL
Tapestry
TPR
$28.5B
| $5.73M | 0.01% |
3,664
+2,346
| +178% | +$34.5K |
|
783
CALL
Dick's Sporting Goods
DKS
$18.5B
| $5.72M | 0.01% |
989
+343
| +53% | +$16.7K |
|
784
CALL
Tractor Supply
TSCO
$15.5B
| $5.72M | 0.01% |
1,995
+140
| +8% | +$4.02K |
|
785
PUT
PNC Financial Services
PNC
$98.9B
| $5.71M | 0.01% |
520
-25
| -5% | -$2.69K |
|
786
PUT
Teck Resources
TECK
$29B
| $5.7M | 0.01% |
4,097
+2,435
| +147% | +$28.8K |
|
787
CALL
International Paper
IP
$19.9B
| $5.69M | 0.01% |
1,483
+192
| +15% | +$6.78K |
|
|
SAGE
788
PUT
DELISTED
Sage Therapeutics
SAGE
| $5.69M | 0.01% |
931
+687
| +282% | +$34.8K |
|
789
PUT
Synchrony
SYF
$23.1B
| $5.62M | 0.01% |
2,148
+299
| +16% | +$7.26K |
|
790
PUT
Phillips 66
PSX
$84.4B
| $5.62M | 0.01% |
1,084
+368
| +51% | +$22.5K |
|
791
PUT
Cardinal Health
CAH
$52.2B
| $5.61M | 0.01% |
1,194
+350
| +41% | +$18K |
|
792
CALL
ALPS REIT Dividend Dogs ETF
RDOG
$11.4M
| $5.6M | 0.01% |
2,799
-276
| -9% | -$9.98K |
|
|
SGEN
793
CALL
DELISTED
Seagen Inc. Common Stock
SGEN
| $5.6M | 0.01% |
+286
| New | +$47.9K |
|
794
PUT
Zimmer Biomet
ZBH
$17.1B
| $5.59M | 0.01% |
423
+16
| +4% | +$2.09K |
|
795
PUT
Progressive
PGR
$120B
| $5.59M | 0.01% |
591
-415
| -41% | -$37.3K |
|
796
CALL
Elastic
ESTC
$5.94B
| $5.58M | 0.01% |
517
-410
| -44% | -$40.2K |
|
797
CALL
Norfolk Southern
NSC
$78B
| $5.56M | 0.01% |
260
+51
| +24% | +$10.2K |
|
|
NBIS
798
CALL
Nebius Group N.V.
NBIS
$56.4B
| $5.53M | 0.01% |
848
+273
| +47% | +$16.3K |
|
799
CALL
Aon
AON
$75.6B
| $5.53M | 0.01% |
268
-59
| -18% | -$11.8K |
|
800
PUT
Franco-Nevada
FNV
$41.4B
| $5.53M | 0.01% |
396
+187
| +89% | +$27.8K |
|
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.