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 | |
|---|---|---|---|---|---|---|
2901
CALL
Wabash National
WNC
$543M
| $503K | ﹤0.01% |
474
-10
| -2% | -$88 |
|
|
SWN
2902
CALL
DELISTED
Southwestern Energy Company
SWN
| $503K | ﹤0.01% |
1,967
-176
| -8% | -$502 |
|
|
NVO
2903
Novo Nordisk
NVO
$216B
| $501K | ﹤0.01% |
+15,306
| New | +$488K |
|
2904
PUT
Newell Brands
NWL
$2.16B
| $501K | ﹤0.01% |
316
-207
| -40% | -$2.84K |
|
|
ONEM
2905
PUT
DELISTED
1Life Healthcare
ONEM
| $501K | ﹤0.01% |
+138
| New | +$3.89K |
|
2906
CALL
uniQure
QURE
$2.68B
| $500K | ﹤0.01% |
111
-53
| -32% | -$3.13K |
|
2907
iPath Series B S&P 500 VIX Mid-Term Futures ETN
VXZ
$31.5M
| $500K | ﹤0.01% |
3,713
-4,587
| -55% | -$614K |
|
2908
PUT
AES
AES
$10.6B
| $499K | ﹤0.01% |
345
+278
| +415% | +$3.65K |
|
2909
PUT
Alarm.com
ALRM
$2.56B
| $499K | ﹤0.01% |
77
-66
| -46% | -$3.32K |
|
|
HOUS
2910
DELISTED
Anywhere Real Estate
HOUS
| $499K | ﹤0.01% |
67,444
+42,794
| +174% | +$221K |
|
2911
CALL
AllianceBernstein
AB
$3.47B
| $498K | ﹤0.01% |
183
-169
| -48% | -$3.92K |
|
2912
PUT
Fortuna Silver Mines
FSM
$2.59B
| $498K | ﹤0.01% |
979
+411
| +72% | +$1.49K |
|
2913
CALL
Banco Macro
BMA
$5.7B
| $497K | ﹤0.01% |
268
+184
| +219% | +$3.4K |
|
2914
PUT
Entergy
ETR
$54.1B
| $497K | ﹤0.01% |
106
+58
| +121% | +$2.82K |
|
2915
Inovio Pharmaceuticals
INO
$79.8M
| $497K | ﹤0.01% |
1,538
+1,348
| +709% | +$216K |
|
2916
CALL
Myriad Genetics
MYGN
$530M
| $497K | ﹤0.01% |
439
+399
| +998% | +$5.67K |
|
2917
PUT
Sonic Automotive
SAH
$3.15B
| $497K | ﹤0.01% |
156
+125
| +403% | +$2.88K |
|
2918
CALL
Silicon Motion
SIMO
$9.19B
| $497K | ﹤0.01% |
102
+90
| +750% | +$3.99K |
|
|
CVET
2919
PUT
DELISTED
Covetrus, Inc. Common Stock
CVET
| $497K | ﹤0.01% |
278
+162
| +140% | +$2.13K |
|
2920
CALL
CareDx
CDNA
$1.92B
| $496K | ﹤0.01% |
140
-16
| -10% | -$455 |
|
2921
PUT
EQT Corp
EQT
$33.2B
| $496K | ﹤0.01% |
417
+242
| +138% | +$3.17K |
|
2922
PUT
Golar LNG
GLNG
$4.95B
| $495K | ﹤0.01% |
684
-696
| -50% | -$4.83K |
|
2923
CALL
Lloyds Banking Group
LYG
$87.4B
| $495K | ﹤0.01% |
3,304
+1,913
| +138% | +$2.87K |
|
2924
CALL
Advanced Energy
AEIS
$12.2B
| $494K | ﹤0.01% |
73
+38
| +109% | +$2.26K |
|
2925
PUT
Viasat
VSAT
$9.79B
| $494K | ﹤0.01% |
129
-206
| -61% | -$8.38K |
|
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.