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 |
Invesco QQQ Trust
QQQ
|
+$77.3M |
| 2 |
SPDR Gold Trust
GLD
|
+$73.2M |
| 3 |
iShares MSCI EAFE ETF
EFA
|
+$38.5M |
| 4 |
Netflix
NFLX
|
+$38.4M |
| 5 |
NVIDIA
NVDA
|
+$36.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$55.9M |
| 2 |
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
|
+$28.3M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$23.1M |
| 4 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$23.1M |
| 5 |
Adobe
ADBE
|
+$22M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.49% |
| 2 | Consumer Discretionary | 0.47% |
| 3 | Communication Services | 0.34% |
| 4 | Healthcare | 0.26% |
| 5 | Financials | 0.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
101
PUT
Trade Desk
TTD
$8.26B
| $71.7M | 0.11% |
17,630
+6,850
| +64% | +$206K |
|
102
CALL
Intel
INTC
$516B
| $71.3M | 0.11% |
11,919
-2,893
| -20% | -$173K |
|
103
CALL
Booking.com
BKNG
$138B
| $70.9M | 0.11% |
11,125
+1,375
| +14% | +$83.7K |
|
|
NKLA
104
CALL
DELISTED
Nikola Corporation Common Stock
NKLA
| $70.5M | 0.11% |
+348
| New | +$335K |
|
105
CALL
Goldman Sachs
GS
$324B
| $69.3M | 0.11% |
3,506
+1,152
| +49% | +$216K |
|
106
CALL
Nike
NKE
$62.6B
| $67.3M | 0.11% |
6,867
+1,768
| +35% | +$163K |
|
107
PUT
ExxonMobil
XOM
$640B
| $66.9M | 0.11% |
14,969
-2,815
| -16% | -$126K |
|
108
CALL
Salesforce
CRM
$133B
| $66.4M | 0.11% |
3,544
-1,715
| -33% | -$289K |
|
109
CALL
Chevron
CVX
$384B
| $66.4M | 0.11% |
7,437
+1,594
| +27% | +$143K |
|
110
PUT
Cisco
CSCO
$442B
| $65.7M | 0.1% |
14,080
+1,054
| +8% | +$46.2K |
|
111
PUT
United Airlines
UAL
$38.1B
| $64.7M | 0.1% |
18,686
+12,800
| +217% | +$384K |
|
112
PUT
Autodesk
ADSK
$43B
| $64.1M | 0.1% |
2,679
-160
| -6% | -$31.5K |
|
113
CALL
lululemon athletica
LULU
$12.9B
| $63.1M | 0.1% |
2,022
+1,289
| +176% | +$330K |
|
114
CALL
IBM
IBM
$193B
| $61.7M | 0.1% |
5,343
+912
| +21% | +$106K |
|
|
115
PUT
Intel
INTC
$516B
| $61.2M | 0.1% |
10,226
+871
| +9% | +$52.1K |
|
116
PUT
Qualcomm
QCOM
$185B
| $60.7M | 0.1% |
6,651
+1,171
| +21% | +$93.9K |
|
|
NKLA
117
PUT
DELISTED
Nikola Corporation Common Stock
NKLA
| $60.3M | 0.1% |
+298
| New | +$287K |
|
118
CALL
Chipotle Mexican Grill
CMG
$41.3B
| $60.2M | 0.1% |
28,600
-950
| -3% | -$17.6K |
|
119
PUT
Coca-Cola
KO
$354B
| $60.1M | 0.1% |
13,441
-735
| -5% | -$33.9K |
|
120
PUT
Procter & Gamble
PG
$347B
| $60M | 0.1% |
5,020
+127
| +3% | +$14.8K |
|
|
121
PUT
Goldman Sachs
GS
$324B
| $59.8M | 0.1% |
3,025
+671
| +29% | +$126K |
|
122
PUT
McDonald's
MCD
$187B
| $59.8M | 0.1% |
3,240
+237
| +8% | +$43.5K |
|
123
CALL
FedEx
FDX
$76.6B
| $59.4M | 0.09% |
4,236
+2,512
| +146% | +$316K |
|
124
PUT
Verizon
VZ
$185B
| $59.4M | 0.09% |
10,767
+1,820
| +20% | +$102K |
|
125
PUT
Uber
UBER
$143B
| $59.3M | 0.09% |
19,081
-20,120
| -51% | -$627K |
|
Similar funds
Simplex Trading's Q2 2020 Portfolio in Review
As of Q2 2020, Simplex Trading held 8,917 positions worth $62.7B, up 11% from $56.7B the previous quarter. Its ten largest holdings account for 44% of the portfolio.
Simplex Trading's Q2 2020 filing shows 1,290 new, 3,427 increased, 2,723 reduced and 1,278 closed positions. Its largest new stake was iShares MSCI EAFE ETF: 665,841 shares worth $40.5M. The largest sale was Apple, an estimated $55.9M.
By sector, the portfolio is most concentrated in Technology at 0.49% of assets, up from 0.49% a quarter earlier, followed by Consumer Discretionary and Communication Services.
- Simplex Trading's largest Q2 2020 buy was iShares MSCI EAFE ETF: 665,841 shares worth $40.5M.
- Simplex Trading added most to Invesco QQQ Trust in Q2 2020, an estimated $77.3M increase.
- Simplex Trading's biggest Q2 2020 reduction was Apple, cutting an estimated $55.9M.
- Simplex Trading fully exited Adobe in Q2 2020, selling an estimated $22M.
- Simplex Trading's ten largest holdings make up 44% of its $62.7B portfolio in Q2 2020.
- Simplex Trading opened 1,290 new positions and closed 1,278 in Q2 2020.
- Simplex Trading's portfolio value rose 11% quarter-over-quarter to $62.7B.
Based on Simplex Trading's 13F filing for Q2 2020, filed 13 Jul 2020.