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 | |
|---|---|---|---|---|---|---|
1251
PUT
Pool Corp
POOL
$6.65B
| $2.77M | ﹤0.01% |
102
+26
| +34% | +$6.02K |
|
1252
CALL
Fortinet
FTNT
$112B
| $2.76M | ﹤0.01% |
1,005
+160
| +19% | +$4.02K |
|
1253
PUT
Adient
ADNT
$1.6B
| $2.76M | ﹤0.01% |
1,679
-591
| -26% | -$8.99K |
|
1254
CALL
ArcelorMittal
MT
$50.6B
| $2.75M | ﹤0.01% |
2,568
+649
| +34% | +$6.54K |
|
1255
CALL
Allegiant Air
ALGT
$2.66B
| $2.75M | ﹤0.01% |
252
+177
| +236% | +$16.2K |
|
1256
Waste Management
WM
$95.3B
| $2.75M | ﹤0.01% |
25,989
+21,828
| +525% | +$2.2M |
|
1257
PUT
Gen Digital
GEN
$15.6B
| $2.75M | ﹤0.01% |
1,387
-404
| -23% | -$8.22K |
|
1258
CALL
Global Payments
GPN
$22B
| $2.75M | ﹤0.01% |
162
+30
| +23% | +$4.99K |
|
1259
PUT
Ollie's Bargain Outlet
OLLI
$4.04B
| $2.74M | ﹤0.01% |
281
-76
| -21% | -$5.84K |
|
1260
Altria Group
MO
$122B
| $2.74M | ﹤0.01% |
+69,794
| New | +$2.72M |
|
1261
NetEase
NTES
$76.7B
| $2.74M | ﹤0.01% |
+31,905
| New | +$2.4M |
|
1262
PUT
Lincoln National
LNC
$7.85B
| $2.73M | ﹤0.01% |
743
+322
| +76% | +$11.3K |
|
1263
PUT
Nutanix
NTNX
$14.7B
| $2.73M | ﹤0.01% |
1,153
+271
| +31% | +$5.61K |
|
|
SNP
1264
PUT
DELISTED
CHINA PETROLEUM & CHEMICAL CORPORATION ADS (REP 100 ORDINARY H SHARES)
SNP
| $2.72M | ﹤0.01% |
648
+141
| +28% | +$6.65K |
|
1265
PUT
Canadian Imperial Bank of Commerce
CM
$107B
| $2.72M | ﹤0.01% |
812
-616
| -43% | -$19.2K |
|
1266
CALL
Bath & Body Works
BBWI
$4.06B
| $2.71M | ﹤0.01% |
2,244
+1,554
| +225% | +$17.3K |
|
1267
Direxion Daily Small Cap Bear 3x ETF
TZA
$210M
| $2.71M | ﹤0.01% |
1,600
+1,510
| +1,678% | +$4.12M |
|
1268
PUT
Vornado Realty Trust
VNO
$7.56B
| $2.71M | ﹤0.01% |
708
+48
| +7% | +$1.86K |
|
1269
PUT
M&T Bank
MTB
$36B
| $2.7M | ﹤0.01% |
260
+89
| +52% | +$9.4K |
|
1270
PUT
Southern Company
SO
$109B
| $2.7M | ﹤0.01% |
521
-618
| -54% | -$34.4K |
|
1271
PUT
Alcoa
AA
$11.9B
| $2.69M | ﹤0.01% |
2,398
+1,864
| +349% | +$16.7K |
|
1272
CALL
DHT Holdings
DHT
$2.96B
| $2.69M | ﹤0.01% |
5,254
+137
| +3% | +$873 |
|
1273
PUT
Repligen
RGEN
$7.49B
| $2.69M | ﹤0.01% |
218
+51
| +31% | +$6K |
|
1274
CALL
Omega Healthcare
OHI
$15.4B
| $2.69M | ﹤0.01% |
904
+13
| +1% | +$385 |
|
1275
Blackrock
BLK
$162B
| $2.68M | ﹤0.01% |
4,925
+4,649
| +1,684% | +$2.35M |
|
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.