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 | |
|---|---|---|---|---|---|---|
1151
CALL
Fair Isaac
FICO
$28B
| $3.18M | 0.01% |
76
+19
| +33% | +$6.93K |
|
1152
CALL
Hasbro
HAS
$12.4B
| $3.18M | 0.01% |
424
+8
| +2% | +$579 |
|
1153
CALL
O'Reilly Automotive
ORLY
$71.4B
| $3.16M | 0.01% |
1,125
-450
| -29% | -$11.8K |
|
1154
CALL
Akamai
AKAM
$17.1B
| $3.16M | 0.01% |
295
-84
| -22% | -$8.45K |
|
|
MOMO
1155
Hello Group
MOMO
$870M
| $3.15M | 0.01% |
180,411
+119,466
| +196% | +$2.51M |
|
1156
Corpay
CPAY
$23.8B
| $3.14M | 0.01% |
12,498
+339
| +3% | +$80.4K |
|
1157
PUT
Ubiquiti
UI
$32B
| $3.14M | 0.01% |
180
+2
| +1% | +$336 |
|
1158
PUT
Cerence
CRNC
$398M
| $3.14M | 0.01% |
768
+732
| +2,033% | +$21K |
|
|
X
1159
CALL
DELISTED
US Steel
X
| $3.13M | 0.01% |
4,340
+1,706
| +65% | +$13.3K |
|
|
BZUN
1160
CALL
Baozun
BZUN
$143M
| $3.13M | 0.01% |
814
+545
| +203% | +$17.1K |
|
|
LVGO
1161
PUT
DELISTED
Livongo Health, Inc. Common Stock
LVGO
| $3.13M | 0.01% |
416
+155
| +59% | +$8.11K |
|
1162
CALL
Alcoa
AA
$11.9B
| $3.12M | 0.01% |
2,780
+921
| +50% | +$8.24K |
|
1163
CALL
Evergy
EVRG
$20B
| $3.12M | 0.01% |
527
+16
| +3% | +$948 |
|
1164
PUT
Weibo
WB
$1.92B
| $3.12M | 0.01% |
929
+92
| +11% | +$3.16K |
|
1165
PUT
Marriott Vacations Worldwide
VAC
$3.22B
| $3.12M | 0.01% |
379
+61
| +19% | +$4.97K |
|
1166
BioMarin Pharmaceuticals
BMRN
$11.4B
| $3.11M | 0.01% |
25,250
+4,773
| +23% | +$474K |
|
|
CS
1167
PUT
DELISTED
Credit Suisse Group
CS
| $3.11M | 0.01% |
3,020
-2,039
| -40% | -$18.3K |
|
1168
CALL
Hormel Foods
HRL
$13.8B
| $3.09M | ﹤0.01% |
641
-226
| -26% | -$10.8K |
|
1169
PUT
Keysight
KEYS
$55.6B
| $3.09M | ﹤0.01% |
307
+112
| +57% | +$11K |
|
1170
PUT
Raymond James Financial
RJF
$31.9B
| $3.08M | ﹤0.01% |
672
+258
| +62% | +$11.6K |
|
1171
PUT
Boston Properties
BXP
$10.8B
| $3.08M | ﹤0.01% |
341
+175
| +105% | +$15.9K |
|
1172
CALL
ARK Web x.0 ETF
ARKW
$1.66B
| $3.08M | ﹤0.01% |
431
+369
| +595% | +$25.9K |
|
1173
PUT
Ligand Pharmaceuticals
LGND
$6.06B
| $3.08M | ﹤0.01% |
441
+340
| +337% | +$21.6K |
|
1174
PUT
Cboe Global Markets
CBOE
$29.8B
| $3.07M | ﹤0.01% |
329
-92
| -22% | -$9.06K |
|
1175
PUT
Westlake Corp
WLK
$9.64B
| $3.06M | ﹤0.01% |
571
-177
| -24% | -$8.15K |
|
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.