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 | |
|---|---|---|---|---|---|---|
1301
Agnico Eagle Mines
AEM
$72.3B
| $2.6M | ﹤0.01% |
40,565
-25,985
| -39% | -$1.54M |
|
1302
PUT
Corning
GLW
$126B
| $2.59M | ﹤0.01% |
1,001
+63
| +7% | +$1.43K |
|
1303
CALL
Lamb Weston
LW
$6.87B
| $2.59M | ﹤0.01% |
405
+143
| +55% | +$8.63K |
|
1304
PUT
Restaurant Brands International
QSR
$25.2B
| $2.59M | ﹤0.01% |
474
-499
| -51% | -$25.2K |
|
1305
CALL
10x Genomics
TXG
$5.91B
| $2.59M | ﹤0.01% |
290
+254
| +706% | +$19.8K |
|
|
SIVB
1306
PUT
DELISTED
SVB Financial Group
SIVB
| $2.59M | ﹤0.01% |
120
-120
| -50% | -$23.1K |
|
1307
CALL
Smith & Wesson
SWBI
$654M
| $2.58M | ﹤0.01% |
1,563
+1,062
| +212% | +$9.87K |
|
|
STOR
1308
CALL
DELISTED
STORE Capital Corporation
STOR
| $2.58M | ﹤0.01% |
1,085
+806
| +289% | +$16.1K |
|
1309
PUT
Madrigal Pharmaceuticals
MDGL
$12.5B
| $2.58M | ﹤0.01% |
228
-46
| -17% | -$4.52K |
|
1310
CALL
Yeti Holdings
YETI
$3.79B
| $2.58M | ﹤0.01% |
604
+395
| +189% | +$11.9K |
|
1311
CALL
AngloGold Ashanti
AU
$40.2B
| $2.58M | ﹤0.01% |
874
+648
| +287% | +$16K |
|
1312
PUT
DXC Technology
DXC
$1.64B
| $2.58M | ﹤0.01% |
1,561
+1,196
| +328% | +$19K |
|
1313
PUT
National Healthcare
NHC
$3.53B
| $2.58M | ﹤0.01% |
406
-31
| -7% | -$2.08K |
|
|
CCXI
1314
PUT
DELISTED
ChemoCentryx, Inc.
CCXI
| $2.57M | ﹤0.01% |
447
-178
| -28% | -$9.69K |
|
1315
CALL
PagerDuty
PD
$701M
| $2.57M | ﹤0.01% |
898
+869
| +2,997% | +$21K |
|
1316
PUT
Alpha Pro Tech
APT
$50.3M
| $2.56M | ﹤0.01% |
1,447
-1,146
| -44% | -$15.8K |
|
1317
PUT
Arrowhead Research
ARWR
$12B
| $2.56M | ﹤0.01% |
592
+278
| +89% | +$9.81K |
|
1318
PUT
Invesco CurrencyShares Canadian Dollar Trust
FXC
$69.3M
| $2.56M | ﹤0.01% |
352
+334
| +1,856% | +$23.8K |
|
1319
CALL
Upwork
UPWK
$1.1B
| $2.56M | ﹤0.01% |
1,770
+1,198
| +209% | +$12.6K |
|
|
FLIR
1320
CALL
DELISTED
FLIR Systems, Inc. (DE) Common Stock
FLIR
| $2.55M | ﹤0.01% |
629
+340
| +118% | +$14.1K |
|
1321
PUT
Bread Financial
BFH
$4.16B
| $2.55M | ﹤0.01% |
708
+427
| +152% | +$15.2K |
|
1322
PUT
ArcelorMittal
MT
$50.3B
| $2.54M | ﹤0.01% |
2,372
+1,018
| +75% | +$10.3K |
|
1323
PUT
Kohl's
KSS
$2.06B
| $2.54M | ﹤0.01% |
1,223
+258
| +27% | +$4.97K |
|
1324
PUT
International Paper
IP
$22B
| $2.54M | ﹤0.01% |
761
+292
| +62% | +$9.3K |
|
1325
PUT
Teradyne
TER
$54.3B
| $2.54M | ﹤0.01% |
300
+147
| +96% | +$9.85K |
|
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.