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 | |
|---|---|---|---|---|---|---|
2101
CALL
Alcon
ALC
$33.1B
| $1.06M | ﹤0.01% |
185
-123
| -40% | -$6.96K |
|
2102
CALL
Encore Capital Group
ECPG
$1.93B
| $1.06M | ﹤0.01% |
310
+34
| +12% | +$1.01K |
|
2103
PUT
IPG Photonics
IPGP
$3.89B
| $1.06M | ﹤0.01% |
66
-52
| -44% | -$7.41K |
|
2104
PUT
Invesco Mortgage Capital
IVR
$776M
| $1.06M | ﹤0.01% |
283
+269
| +1,921% | +$9.25K |
|
2105
Kinder Morgan
KMI
$73.1B
| $1.06M | ﹤0.01% |
69,635
-26,412
| -27% | -$401K |
|
2106
CALL
Crocs
CROX
$6.69B
| $1.05M | ﹤0.01% |
286
+82
| +40% | +$2.17K |
|
2107
PUT
PennyMac Financial
PFSI
$4.38B
| $1.05M | ﹤0.01% |
251
-311
| -55% | -$9.85K |
|
2108
CALL
Corcept Therapeutics
CORT
$10.2B
| $1.05M | ﹤0.01% |
623
+214
| +52% | +$3.01K |
|
2109
Elevance Health
ELV
$81.9B
| $1.05M | ﹤0.01% |
3,985
-44,917
| -92% | -$12M |
|
|
PPLI
2110
CALL
People Inc
PPLI
$3.1B
| $1.05M | ﹤0.01% |
2,954
+2,283
| +340% | +$101K |
|
|
FOE
2111
CALL
DELISTED
Ferro Corporation
FOE
| $1.05M | ﹤0.01% |
877
+315
| +56% | +$3.39K |
|
2112
Box
BOX
$4.02B
| $1.04M | ﹤0.01% |
+50,241
| New | +$882K |
|
2113
PUT
Suncor Energy
SU
$77.7B
| $1.04M | ﹤0.01% |
619
-64
| -9% | -$1.09K |
|
2114
CALL
Healthpeak Properties
DOC
$15.4B
| $1.04M | ﹤0.01% |
377
+53
| +16% | +$1.35K |
|
2115
CALL
Chemed
CHE
$6.78B
| $1.04M | ﹤0.01% |
23
+14
| +156% | +$6.25K |
|
2116
PUT
ING
ING
$93.8B
| $1.04M | ﹤0.01% |
1,503
-949
| -39% | -$5.76K |
|
2117
Gildan
GIL
$9.25B
| $1.04M | ﹤0.01% |
66,891
+26,935
| +67% | +$398K |
|
2118
Universal Display
OLED
$3.71B
| $1.04M | ﹤0.01% |
6,927
-6,301
| -48% | -$925K |
|
|
VRNT
2119
CALL
DELISTED
Verint Systems
VRNT
| $1.03M | ﹤0.01% |
450
+144
| +47% | +$3.19K |
|
2120
Corning
GLW
$126B
| $1.03M | ﹤0.01% |
39,905
+26,174
| +191% | +$593K |
|
2121
VeriSign
VRSN
$25.3B
| $1.03M | ﹤0.01% |
+4,991
| New | +$1.04M |
|
2122
CALL
Brookfield
BN
$102B
| $1.03M | ﹤0.01% |
445
-940
| -68% | -$16.5K |
|
2123
CALL
Essential Utilities
WTRG
$11.2B
| $1.03M | ﹤0.01% |
244
+16
| +7% | +$676 |
|
2124
PUT
Mine Safety
MSA
$6.74B
| $1.03M | ﹤0.01% |
90
+78
| +650% | +$8.67K |
|
2125
Invesco S&P 500 Low Volatility ETF
SPLV
$7.2B
| $1.03M | ﹤0.01% |
20,699
+3,536
| +21% | +$174K |
|
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.