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 | |
|---|---|---|---|---|---|---|
3201
CALL
Altimmune
ALT
$539M
| $393K | ﹤0.01% |
367
-125
| -25% | -$687 |
|
3202
PUT
Blink Charging
BLNK
$75.2M
| $393K | ﹤0.01% |
692
+375
| +118% | +$753 |
|
3203
CALL
Lithia Motors
LAD
$7.78B
| $393K | ﹤0.01% |
26
-70
| -73% | -$8.01K |
|
|
DCP
3204
DELISTED
DCP Midstream, LP
DCP
| $393K | ﹤0.01% |
34,845
-60,552
| -63% | -$574K |
|
|
LFC
3205
PUT
DELISTED
China Life Insurance Company Ltd.
LFC
| $393K | ﹤0.01% |
390
+144
| +59% | +$1.45K |
|
3206
PUT
Equinor
EQNR
$95.9B
| $392K | ﹤0.01% |
271
+58
| +27% | +$815 |
|
3207
CALL
Cal-Maine
CALM
$4.28B
| $391K | ﹤0.01% |
88
-245
| -74% | -$10.4K |
|
3208
CALL
Coherus Oncology
CHRS
$217M
| $391K | ﹤0.01% |
219
+117
| +115% | +$1.98K |
|
3209
PUT
Corcept Therapeutics
CORT
$10.2B
| $391K | ﹤0.01% |
233
+90
| +63% | +$1.26K |
|
3210
PUT
American Eagle Outfitters
AEO
$2.85B
| $390K | ﹤0.01% |
358
-456
| -56% | -$4.31K |
|
3211
SBA Communications
SBAC
$18.4B
| $390K | ﹤0.01% |
1,310
-1,935
| -60% | -$571K |
|
3212
Jack in the Box
JACK
$278M
| $389K | ﹤0.01% |
+5,262
| New | +$324K |
|
3213
PUT
Movado Group
MOV
$812M
| $389K | ﹤0.01% |
359
+325
| +956% | +$3.51K |
|
3214
PUT
Quanta Services
PWR
$93.9B
| $388K | ﹤0.01% |
99
-14
| -12% | -$499 |
|
3215
PUT
Skywest
SKYW
$4.11B
| $388K | ﹤0.01% |
119
-46
| -28% | -$1.36K |
|
3216
TTM Technologies
TTMI
$13.6B
| $388K | ﹤0.01% |
32,774
+30,121
| +1,135% | +$335K |
|
|
EGRX
3217
PUT
DELISTED
Eagle Pharmaceuticals, Inc.
EGRX
| $388K | ﹤0.01% |
81
-369
| -82% | -$18.4K |
|
3218
PUT
SiriusXM
SIRI
$10B
| $387K | ﹤0.01% |
66
-84
| -56% | -$4.71K |
|
3219
CALL
Vanguard FTSE Developed Markets ETF
VEA
$226B
| $387K | ﹤0.01% |
100
+38
| +61% | +$1.39K |
|
|
RSX
3220
DELISTED
VanEck Russia ETF
RSX
| $387K | ﹤0.01% |
+18,653
| New | +$368K |
|
3221
CALL
Asbury Automotive
ABG
$4.19B
| $386K | ﹤0.01% |
50
+24
| +92% | +$1.61K |
|
3222
First American
FAF
$7.67B
| $386K | ﹤0.01% |
+8,054
| New | +$380K |
|
3223
PUT
Helmerich & Payne
HP
$3.53B
| $386K | ﹤0.01% |
198
-103
| -34% | -$2.01K |
|
|
IPG
3224
CALL
DELISTED
Interpublic Group of Companies
IPG
| $386K | ﹤0.01% |
225
+109
| +94% | +$1.8K |
|
3225
PUT
Manulife Financial
MFC
$72.6B
| $386K | ﹤0.01% |
284
+209
| +279% | +$2.63K |
|
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.