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 | |
|---|---|---|---|---|---|---|
101
PUT
AT&T
T
$155B
| $83.3M | 0.11% |
38,691
+4,112
| +12% | +$91.9K |
|
102
PUT
Coca-Cola
KO
$353B
| $83.2M | 0.11% |
16,856
+3,415
| +25% | +$164K |
|
103
CALL
JD.com
JD
$41.1B
| $83.1M | 0.11% |
10,709
+2,631
| +33% | +$183K |
|
104
CALL
State Street SPDR NYSE Technology ETF
XNTK
$2.16B
| $79.9M | 0.11% |
17,602
-3,051
| -15% | -$342K |
|
105
PUT
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$247M
| $79.1M | 0.11% |
48,092
+21,784
| +83% | +$170K |
|
106
CALL
Qualcomm
QCOM
$183B
| $78.5M | 0.11% |
6,673
+1,691
| +34% | +$181K |
|
107
PUT
Goldman Sachs
GS
$320B
| $77.3M | 0.11% |
3,847
+822
| +27% | +$167K |
|
108
PUT
Booking.com
BKNG
$139B
| $77.2M | 0.1% |
11,275
-10,200
| -47% | -$717K |
|
109
CALL
Johnson & Johnson
JNJ
$603B
| $76.5M | 0.1% |
5,140
-942
| -15% | -$139K |
|
|
TWTR
110
PUT
DELISTED
Twitter, Inc.
TWTR
| $76.4M | 0.1% |
17,175
+976
| +6% | +$37.5K |
|
111
CALL
Uber
UBER
$146B
| $75.8M | 0.1% |
20,774
+3,713
| +22% | +$123K |
|
112
CALL
Citigroup
C
$223B
| $75.7M | 0.1% |
17,565
+213
| +1% | +$10.6K |
|
|
113
PUT
Uber
UBER
$146B
| $75.4M | 0.1% |
20,663
+1,582
| +8% | +$52.2K |
|
|
114
CALL
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$247M
| $74.9M | 0.1% |
45,840
+6,848
| +18% | +$53.4K |
|
115
CALL
Starbucks
SBUX
$119B
| $74.4M | 0.1% |
8,665
+3,902
| +82% | +$311K |
|
116
PUT
Bank of America
BAC
$430B
| $74.1M | 0.1% |
30,760
-10,801
| -26% | -$269K |
|
117
PUT
McDonald's
MCD
$188B
| $73.8M | 0.1% |
3,362
+122
| +4% | +$25K |
|
|
UWC
118
PUT
DELISTED
PROSHARES TR ULTRA RUSSELL3000
UWC
| $72.9M | 0.1% |
8,104
-10,175
| -56% | -$91.6M |
|
|
119
CALL
Bank of America
BAC
$430B
| $70.9M | 0.1% |
29,442
-1,192
| -4% | -$29.7K |
|
120
CALL
Merck
MRK
$312B
| $70.6M | 0.1% |
8,915
+5,401
| +154% | +$423K |
|
121
CALL
Cisco
CSCO
$442B
| $70.5M | 0.1% |
17,901
+5,543
| +45% | +$242K |
|
|
122
CALL
Coca-Cola
KO
$353B
| $70.1M | 0.1% |
14,194
+5,072
| +56% | +$244K |
|
|
JJT
123
CALL
DELISTED
iPath Series B Bloomberg Tin Subindex Total ReturnSM ETN
JJT
| $69.1M | 0.09% |
27,752
-5,470
| -16% | -$253K |
|
124
PUT
ServiceNow
NOW
$105B
| $69.1M | 0.09% |
7,120
+275
| +4% | +$24.6K |
|
125
CALL
Nike
NKE
$63.7B
| $66.7M | 0.09% |
5,316
-1,551
| -23% | -$167K |
|
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.