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 | |
|---|---|---|---|---|---|---|
2376
PUT
UGI
UGI
$8B
| $782K | ﹤0.01% |
246
+181
| +278% | +$5.49K |
|
|
BBBY
2377
Bed Bath & Beyond
BBBY
$473M
| $781K | ﹤0.01% |
30,228
+29,623
| +4,896% | +$435K |
|
2378
PUT
Dillards
DDS
$8.87B
| $781K | ﹤0.01% |
303
+194
| +178% | +$5.49K |
|
2379
CALL
Ollie's Bargain Outlet
OLLI
$4.01B
| $781K | ﹤0.01% |
80
-280
| -78% | -$21.5K |
|
2380
TD Synnex
SNX
$19.4B
| $779K | ﹤0.01% |
+13,020
| New | +$608K |
|
2381
PUT
Delek US
DK
$3.87B
| $778K | ﹤0.01% |
447
-399
| -47% | -$7.62K |
|
2382
Haemonetics
HAE
$3.58B
| $778K | ﹤0.01% |
+8,688
| New | +$878K |
|
|
SEE
2383
CALL
DELISTED
Sealed Air
SEE
| $778K | ﹤0.01% |
237
+191
| +415% | +$5.74K |
|
2384
PUT
AMC Global Media
AMCX
$430M
| $776K | ﹤0.01% |
332
+297
| +849% | +$7.78K |
|
2385
CALL
Amkor Technology
AMKR
$16.1B
| $775K | ﹤0.01% |
630
+288
| +84% | +$2.97K |
|
2386
NovaGold Resources
NG
$2.6B
| $775K | ﹤0.01% |
84,462
+40,584
| +92% | +$411K |
|
|
ZNGA
2387
PUT
DELISTED
ZYNGA INC. CL A COMMON
ZNGA
| $775K | ﹤0.01% |
813
+411
| +102% | +$3.37K |
|
2388
PUT
Ironwood Pharmaceuticals
IRWD
$611M
| $774K | ﹤0.01% |
750
+410
| +121% | +$4.2K |
|
|
HMSY
2389
PUT
DELISTED
HMS Holdings Corp.
HMSY
| $774K | ﹤0.01% |
239
+236
| +7,867% | +$6.83K |
|
|
SNV
2390
CALL
DELISTED
Synovus
SNV
| $773K | ﹤0.01% |
377
+199
| +112% | +$3.85K |
|
2391
CALL
Federal Signal
FSS
$7.25B
| $772K | ﹤0.01% |
260
+229
| +739% | +$6.48K |
|
|
AJRD
2392
PUT
DELISTED
Aerojet Rocketdyne Holdings
AJRD
| $772K | ﹤0.01% |
195
+165
| +550% | +$6.87K |
|
|
UN
2393
CALL
DELISTED
Unilever NV New York Registry Shares
UN
| $772K | ﹤0.01% |
145
-619
| -81% | -$31.5K |
|
2394
Generac Holdings
GNRC
$11.9B
| $770K | ﹤0.01% |
6,320
+2,722
| +76% | +$287K |
|
|
INOV
2395
CALL
DELISTED
Inovalon Holdings, Inc. Class A Common Stock
INOV
| $768K | ﹤0.01% |
399
+319
| +399% | +$5.66K |
|
2396
CALL
CenterPoint Energy
CNP
$29.1B
| $767K | ﹤0.01% |
411
+93
| +29% | +$1.6K |
|
2397
MarineMax
HZO
$800M
| $767K | ﹤0.01% |
34,268
+26,672
| +351% | +$439K |
|
2398
CALL
MasTec
MTZ
$26.7B
| $767K | ﹤0.01% |
171
+103
| +151% | +$3.9K |
|
2399
CALL
Liberty Latin America Class C
LILAK
$1.5B
| $766K | ﹤0.01% |
935
-311
| -25% | -$2.65K |
|
2400
HSBC
HSBC
$355B
| $765K | ﹤0.01% |
32,816
-66,715
| -67% | -$1.66M |
|
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.