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 | |
|---|---|---|---|---|---|---|
|
DISCK
1351
PUT
DELISTED
Discovery, Inc. Series C Common Stock
DISCK
| $2.46M | ﹤0.01% |
1,174
-148
| -11% | -$2.9K |
|
1352
CALL
Xtrackers MSCI Emerging Markets Hedged Equity ETF
DBEM
$105M
| $2.46M | ﹤0.01% |
827
-1,856
| -69% | -$39K |
|
|
XEC
1353
CALL
DELISTED
CIMAREX ENERGY CO
XEC
| $2.46M | ﹤0.01% |
894
+788
| +743% | +$19.5K |
|
1354
PUT
Darling Ingredients
DAR
$9.93B
| $2.45M | ﹤0.01% |
994
+885
| +812% | +$19.3K |
|
1355
PUT
Sociedad Química y Minera de Chile
SQM
$19.6B
| $2.44M | ﹤0.01% |
937
+375
| +67% | +$9.01K |
|
1356
CALL
Sabre
SABR
$656M
| $2.44M | ﹤0.01% |
3,029
+2,605
| +614% | +$18.5K |
|
1357
PUT
AppFolio
APPF
$5.84B
| $2.44M | ﹤0.01% |
150
+149
| +14,900% | +$19.5K |
|
1358
CALL
AMC Entertainment Holdings
AMC
$2.03B
| $2.44M | ﹤0.01% |
569
+340
| +148% | +$14.9K |
|
1359
CALL
Travel + Leisure Co
TNL
$4.54B
| $2.44M | ﹤0.01% |
865
+58
| +7% | +$1.57K |
|
1360
CALL
Raymond James Financial
RJF
$32.5B
| $2.43M | ﹤0.01% |
530
+185
| +54% | +$8.33K |
|
1361
CALL
United Natural Foods
UNFI
$3.01B
| $2.42M | ﹤0.01% |
1,332
+710
| +114% | +$10.6K |
|
1362
Direxion Daily S&P 500 Bear 3x ETF
SPXS
$332M
| $2.41M | ﹤0.01% |
3,089
-1,748
| -36% | -$1.76M |
|
1363
CALL
Cooper Companies
COO
$13.7B
| $2.41M | ﹤0.01% |
340
+72
| +27% | +$5.34K |
|
1364
PUT
Rockwell Automation
ROK
$51.4B
| $2.41M | ﹤0.01% |
113
-225
| -67% | -$43.5K |
|
|
CLGX
1365
CALL
DELISTED
Corelogic, Inc.
CLGX
| $2.41M | ﹤0.01% |
358
+346
| +2,883% | +$15.4K |
|
1366
PPG Industries
PPG
$25.9B
| $2.4M | ﹤0.01% |
22,668
-437
| -2% | -$42.1K |
|
1367
CALL
Coca-Cola Europacific Partners
CCEP
$46.5B
| $2.4M | ﹤0.01% |
636
+586
| +1,172% | +$23K |
|
1368
CALL
FIVE9
FIVN
$1.77B
| $2.4M | ﹤0.01% |
217
+91
| +72% | +$8.86K |
|
1369
PUT
Cullen/Frost Bankers
CFR
$10.3B
| $2.4M | ﹤0.01% |
321
+102
| +47% | +$7.1K |
|
|
SNBR
1370
PUT
DELISTED
Sleep Number
SNBR
| $2.4M | ﹤0.01% |
576
+546
| +1,820% | +$17.4K |
|
1371
CALL
Axalta
AXTA
$7.01B
| $2.39M | ﹤0.01% |
1,062
-490
| -32% | -$10K |
|
1372
Live Nation Entertainment
LYV
$41.2B
| $2.39M | ﹤0.01% |
54,019
+53,819
| +26,910% | +$2.36M |
|
1373
Ferrari
RACE
$63.3B
| $2.39M | ﹤0.01% |
14,002
-1,127
| -7% | -$182K |
|
1374
CALL
EverQuote
EVER
$886M
| $2.39M | ﹤0.01% |
411
+401
| +4,010% | +$18.8K |
|
1375
PUT
First Solar
FSLR
$21.8B
| $2.39M | ﹤0.01% |
483
+29
| +6% | +$1.29K |
|
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.