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 | |
|---|---|---|---|---|---|---|
1576
NetApp
NTAP
$32.9B
| $1.91M | ﹤0.01% |
43,460
+30,273
| +230% | +$1.32M |
|
|
SEE
1577
CALL
DELISTED
Sealed Air
SEE
| $1.91M | ﹤0.01% |
491
+254
| +107% | +$9.67K |
|
1578
CALL
Exelixis
EXEL
$13.9B
| $1.9M | ﹤0.01% |
777
+15
| +2% | +$350 |
|
1579
PUT
Hyatt Hotels
H
$17.6B
| $1.9M | ﹤0.01% |
356
-1,074
| -75% | -$57.6K |
|
|
GWPH
1580
PUT
DELISTED
GW Pharmaceuticals Plc American Depositary Shares
GWPH
| $1.9M | ﹤0.01% |
195
+61
| +46% | +$7.02K |
|
1581
PUT
Alarm.com
ALRM
$2.56B
| $1.9M | ﹤0.01% |
343
+266
| +345% | +$16.4K |
|
1582
PUT
Healthpeak Properties
DOC
$15.4B
| $1.89M | ﹤0.01% |
697
+24
| +4% | +$658 |
|
1583
CALL
United States Brent Oil Fund
BNO
$815M
| $1.89M | ﹤0.01% |
1,774
-672
| -27% | -$7.54K |
|
1584
CALL
British American Tobacco
BTI
$132B
| $1.88M | ﹤0.01% |
521
+343
| +193% | +$12K |
|
|
API
1585
PUT
Agora
API
$326M
| $1.88M | ﹤0.01% |
+438
| New | +$20.4K |
|
1586
PUT
Liberty Global Class C
LBTYK
$3.25B
| $1.88M | ﹤0.01% |
897
-244
| -21% | -$5.36K |
|
1587
CALL
Omega Healthcare
OHI
$15.4B
| $1.88M | ﹤0.01% |
628
-276
| -31% | -$8.62K |
|
1588
CALL
State Street
STT
$50.9B
| $1.88M | ﹤0.01% |
317
+78
| +33% | +$5.06K |
|
1589
CALL
Jack in the Box
JACK
$278M
| $1.88M | ﹤0.01% |
237
-122
| -34% | -$9.82K |
|
1590
PUT
Lincoln National
LNC
$7.91B
| $1.88M | ﹤0.01% |
600
-143
| -19% | -$5.1K |
|
1591
CALL
Cleveland-Cliffs
CLF
$6.81B
| $1.88M | ﹤0.01% |
2,925
+752
| +35% | +$4.53K |
|
1592
Invesco DB Agriculture Fund
DBA
$1.26B
| $1.88M | ﹤0.01% |
127,391
+47,529
| +60% | +$676K |
|
1593
CALL
CF Industries
CF
$19.2B
| $1.88M | ﹤0.01% |
611
-741
| -55% | -$23.6K |
|
1594
CALL
Crown Holdings
CCK
$12.8B
| $1.88M | ﹤0.01% |
244
+141
| +137% | +$10.3K |
|
|
CGC
1595
PUT
Canopy Growth
CGC
$375M
| $1.88M | ﹤0.01% |
131
+11
| +9% | +$1.84K |
|
1596
PUT
Madrigal Pharmaceuticals
MDGL
$12.6B
| $1.88M | ﹤0.01% |
158
-70
| -31% | -$7.6K |
|
1597
PUT
Innovative Industrial Properties
IIPR
$1.78B
| $1.87M | ﹤0.01% |
151
+29
| +24% | +$3.24K |
|
1598
CALL
Invesco Aerospace & Defense ETF
PPA
$8.27B
| $1.87M | ﹤0.01% |
407
-249
| -38% | -$14.1K |
|
1599
Arrowhead Research
ARWR
$12.1B
| $1.87M | ﹤0.01% |
43,414
-240
| -0.5% | -$10.4K |
|
1600
CALL
Arthur J. Gallagher & Co
AJG
$63.7B
| $1.87M | ﹤0.01% |
177
+58
| +49% | +$6.02K |
|
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.