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 | |
|---|---|---|---|---|---|---|
|
AVEO
2076
CALL
DELISTED
AVEO Pharmaceuticals, Inc.
AVEO
| $1.08M | ﹤0.01% |
2,106
+104
| +5% | +$656 |
|
2077
Vanguard Health Care ETF
VHT
$18.2B
| $1.08M | ﹤0.01% |
+5,626
| New | +$1.06M |
|
2078
PUT
Sprouts Farmers Market
SFM
$7.04B
| $1.08M | ﹤0.01% |
423
-703
| -62% | -$16.1K |
|
2079
PUT
Radware
RDWR
$1.24B
| $1.08M | ﹤0.01% |
458
-342
| -43% | -$7.85K |
|
2080
PUT
Sasol
SSL
$7.58B
| $1.08M | ﹤0.01% |
1,401
+1,338
| +2,124% | +$7.32K |
|
2081
Invesco DB Agriculture Fund
DBA
$1.26B
| $1.08M | ﹤0.01% |
79,862
+47,725
| +149% | +$649K |
|
2082
PUT
ICICI Bank
IBN
$106B
| $1.08M | ﹤0.01% |
1,161
+680
| +141% | +$6.04K |
|
|
WWE
2083
PUT
DELISTED
World Wrestling Entertainment
WWE
| $1.08M | ﹤0.01% |
248
-313
| -56% | -$13.4K |
|
2084
CALL
Edison International
EIX
$30.7B
| $1.07M | ﹤0.01% |
198
+75
| +61% | +$4.32K |
|
2085
PUT
Plug Power
PLUG
$2.92B
| $1.07M | ﹤0.01% |
1,310
+449
| +52% | +$2.1K |
|
2086
PUT
BHP
BHP
$213B
| $1.07M | ﹤0.01% |
242
-319
| -57% | -$12.5K |
|
2087
CALL
Nomad Foods
NOMD
$1.64B
| $1.07M | ﹤0.01% |
501
+411
| +457% | +$8.57K |
|
2088
Verizon
VZ
$194B
| $1.07M | ﹤0.01% |
+19,498
| New | +$1.1M |
|
2089
CALL
Zebra Technologies
ZBRA
$12.4B
| $1.07M | ﹤0.01% |
42
-39
| -48% | -$9.14K |
|
2090
PUT
Innovative Industrial Properties
IIPR
$1.78B
| $1.07M | ﹤0.01% |
122
-158
| -56% | -$12.9K |
|
|
CMBT
2091
CMB.TECH NV
CMBT
$4.57B
| $1.07M | ﹤0.01% |
131,664
+129,442
| +5,825% | +$1.29M |
|
2092
CALL
Coherent
COHR
$55.2B
| $1.07M | ﹤0.01% |
227
-1,059
| -82% | -$42K |
|
2093
PUT
Navient
NAVI
$774M
| $1.07M | ﹤0.01% |
1,522
+286
| +23% | +$2.13K |
|
|
PLAN
2094
CALL
DELISTED
Anaplan, Inc.
PLAN
| $1.07M | ﹤0.01% |
236
-250
| -51% | -$10.5K |
|
2095
CALL
Tanger
SKT
$4.82B
| $1.07M | ﹤0.01% |
1,496
+339
| +29% | +$2.24K |
|
2096
GSK
GSK
$103B
| $1.06M | ﹤0.01% |
+20,895
| New | +$1.07M |
|
2097
PUT
International Flavors & Fragrances
IFF
$19.4B
| $1.06M | ﹤0.01% |
87
-9
| -9% | -$1.14K |
|
2098
uniQure
QURE
$2.68B
| $1.06M | ﹤0.01% |
+23,641
| New | +$1.4M |
|
|
NLSN
2099
PUT
DELISTED
Nielsen Holdings plc
NLSN
| $1.06M | ﹤0.01% |
717
-7
| -1% | -$98 |
|
|
WBT
2100
CALL
DELISTED
Welbilt, Inc.
WBT
| $1.06M | ﹤0.01% |
1,746
+1,718
| +6,136% | +$9.29K |
|
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.