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 | |
|---|---|---|---|---|---|---|
|
UMPQ
3676
CALL
DELISTED
Umpqua Holdings Corp
UMPQ
| $264K | ﹤0.01% |
249
+196
| +370% | +$2.19K |
|
|
CADE
3677
CALL
DELISTED
Cadence Bancorporation
CADE
| $264K | ﹤0.01% |
298
+285
| +2,192% | +$2.04K |
|
3678
CALL
Evolent Health
EVH
$429M
| $263K | ﹤0.01% |
370
+101
| +38% | +$676 |
|
3679
PUT
Radian Group
RDN
$5.18B
| $263K | ﹤0.01% |
170
+82
| +93% | +$1.21K |
|
|
JMIA
3680
PUT
Jumia Technologies
JMIA
$752M
| $262K | ﹤0.01% |
479
+163
| +52% | +$751 |
|
3681
PUT
Grand Canyon Education
LOPE
$3.84B
| $262K | ﹤0.01% |
29
-37
| -56% | -$3.29K |
|
3682
CALL
LoveSac
LOVE
$249M
| $262K | ﹤0.01% |
100
-39
| -28% | -$593 |
|
3683
CALL
Outfront Media
OUT
$5.68B
| $262K | ﹤0.01% |
188
+146
| +348% | +$2.05K |
|
3684
Smith & Wesson
SWBI
$666M
| $262K | ﹤0.01% |
15,874
+12,719
| +403% | +$118K |
|
|
GES
3685
CALL
DELISTED
Guess Inc
GES
| $261K | ﹤0.01% |
270
-35
| -11% | -$308 |
|
3686
PUT
Prosperity Bancshares
PB
$8.69B
| $261K | ﹤0.01% |
+44
| New | +$2.54K |
|
3687
PUT
Antero Resources
AR
$10.5B
| $260K | ﹤0.01% |
1,024
-441
| -30% | -$1.16K |
|
3688
PUT
Emergent Biosolutions
EBS
$378M
| $260K | ﹤0.01% |
33
-4
| -11% | -$298 |
|
3689
PUT
Visteon
VC
$2.82B
| $260K | ﹤0.01% |
38
+2
| +6% | +$126 |
|
3690
Zillow
ZG
$7.32B
| $260K | ﹤0.01% |
+4,526
| New | +$223K |
|
|
USCR
3691
CALL
DELISTED
U S Concrete, Inc.
USCR
| $260K | ﹤0.01% |
105
+39
| +59% | +$782 |
|
|
COWN
3692
PUT
DELISTED
Cowen Inc. Class A Common Stock
COWN
| $260K | ﹤0.01% |
161
+150
| +1,364% | +$1.82K |
|
3693
Builders FirstSource
BLDR
$7.82B
| $259K | ﹤0.01% |
12,534
+11,335
| +945% | +$205K |
|
3694
Kimco Realty
KIM
$17.8B
| $259K | ﹤0.01% |
20,225
+15,683
| +345% | +$174K |
|
3695
CALL
MBIA
MBI
$282M
| $259K | ﹤0.01% |
358
+201
| +128% | +$1.46K |
|
3696
Papa John's
PZZA
$997M
| $259K | ﹤0.01% |
3,265
-15,368
| -82% | -$1.14M |
|
|
MNTV
3697
DELISTED
Momentive Global Inc. Common Stock
MNTV
| $259K | ﹤0.01% |
11,044
-27,104
| -71% | -$494K |
|
|
GRUB
3698
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
| $259K | ﹤0.01% |
1,844
+1,794
| +3,588% | +$190K |
|
|
CHU
3699
DELISTED
China Unicom (HONG KONG) Limited
CHU
| $259K | ﹤0.01% |
47,601
+46,664
| +4,980% | +$284K |
|
|
CMCM
3700
PUT
Cheetah Mobile
CMCM
$87.8M
| $258K | ﹤0.01% |
300
+230
| +329% | +$2.71K |
|
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.