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 | |
|---|---|---|---|---|---|---|
876
PUT
Bath & Body Works
BBWI
$3.9B
| $4.95M | 0.01% |
1,924
-900
| -32% | -$18.4K |
|
877
CALL
Fastenal
FAST
$53B
| $4.94M | 0.01% |
2,190
-1,126
| -34% | -$25.9K |
|
|
HES
878
CALL
DELISTED
Hess
HES
| $4.94M | 0.01% |
1,206
-237
| -16% | -$11.3K |
|
|
KL
879
PUT
DELISTED
Kirkland Lake Gold Ltd Ordinary
KL
| $4.93M | 0.01% |
1,011
-10
| -1% | -$501 |
|
880
CALL
Diageo
DEO
$45.7B
| $4.91M | 0.01% |
357
+31
| +10% | +$4.28K |
|
881
CALL
Guardant Health
GH
$19.9B
| $4.91M | 0.01% |
439
+300
| +216% | +$27.4K |
|
882
CALL
GoDaddy
GDDY
$11.6B
| $4.9M | 0.01% |
645
+289
| +81% | +$21.8K |
|
883
PUT
Dick's Sporting Goods
DKS
$18.3B
| $4.88M | 0.01% |
844
+523
| +163% | +$25.5K |
|
884
CALL
Prudential Financial
PRU
$40.9B
| $4.88M | 0.01% |
768
-111
| -13% | -$7.3K |
|
885
CALL
Vodafone
VOD
$35.1B
| $4.87M | 0.01% |
3,629
+2,673
| +280% | +$40.3K |
|
886
PUT
Restaurant Brands International
QSR
$25.1B
| $4.87M | 0.01% |
846
+372
| +78% | +$20.7K |
|
887
CALL
Celanese
CE
$5.19B
| $4.86M | 0.01% |
452
+348
| +335% | +$34.7K |
|
888
CALL
Zoetis
ZTS
$31.3B
| $4.84M | 0.01% |
293
| – | – |
|
889
PUT
Sysco
SYY
$39.1B
| $4.84M | 0.01% |
778
-48
| -6% | -$2.79K |
|
|
CERN
890
CALL
DELISTED
Cerner Corp
CERN
| $4.82M | 0.01% |
667
+242
| +57% | +$17.2K |
|
891
CALL
Kraft Heinz
KHC
$30.1B
| $4.82M | 0.01% |
1,609
+166
| +12% | +$5.53K |
|
892
CALL
Boyd Gaming
BYD
$6.43B
| $4.82M | 0.01% |
1,569
+632
| +67% | +$15.9K |
|
|
WBA
893
DELISTED
Walgreens Boots Alliance
WBA
| $4.81M | 0.01% |
134,030
+133,730
| +44,577% | +$5.23M |
|
894
PUT
Robert Half
RHI
$3.87B
| $4.8M | 0.01% |
906
+192
| +27% | +$10.2K |
|
895
CALL
American Electric Power
AEP
$73.4B
| $4.79M | 0.01% |
586
+166
| +40% | +$13.7K |
|
896
PUT
AngloGold Ashanti
AU
$39.7B
| $4.78M | 0.01% |
1,813
+822
| +83% | +$24.6K |
|
897
PUT
Halliburton
HAL
$27.3B
| $4.77M | 0.01% |
3,957
-1,667
| -30% | -$24.1K |
|
898
PUT
Bausch Health
BHC
$1.66B
| $4.75M | 0.01% |
3,059
+656
| +27% | +$11.3K |
|
899
PUT
Stanley Black & Decker
SWK
$13.6B
| $4.75M | 0.01% |
293
+174
| +146% | +$27.1K |
|
900
CALL
Scotiabank
BNS
$106B
| $4.75M | 0.01% |
1,144
-66
| -5% | -$2.77K |
|
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.