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 | |
|---|---|---|---|---|---|---|
2026
PUT
Alamos Gold
AGI
$12.4B
| $1.13M | ﹤0.01% |
1,203
+762
| +173% | +$5.86K |
|
2027
PUT
Carlyle Group
CG
$16.3B
| $1.13M | ﹤0.01% |
404
+232
| +135% | +$5.96K |
|
2028
CALL
Guardant Health
GH
$19.5B
| $1.13M | ﹤0.01% |
139
-190
| -58% | -$15.3K |
|
|
TCO
2029
PUT
DELISTED
Taubman Centers Inc.
TCO
| $1.13M | ﹤0.01% |
298
+248
| +496% | +$10.1K |
|
|
CONN
2030
PUT
DELISTED
Conn's Inc.
CONN
| $1.12M | ﹤0.01% |
1,114
-40
| -3% | -$264 |
|
|
BPY
2031
PUT
DELISTED
Brookfield Property Partners L.P. Limited Partnership Units
BPY
| $1.12M | ﹤0.01% |
1,137
+250
| +28% | +$2.46K |
|
2032
CALL
B&G Foods
BGS
$285M
| $1.12M | ﹤0.01% |
461
+218
| +90% | +$4.72K |
|
2033
CALL
Vanguard Consumer Discretionary ETF
VCR
$5.84B
| $1.12M | ﹤0.01% |
174
+103
| +145% | +$18.6K |
|
|
DCH
2034
CALL
Dauch Corp
DCH
$1.3B
| $1.12M | ﹤0.01% |
1,477
+702
| +91% | +$4.05K |
|
2035
CALL
Fiverr
FVRR
$376M
| $1.12M | ﹤0.01% |
152
-269
| -64% | -$13.8K |
|
|
BLDP
2036
CALL
Ballard Power Systems
BLDP
$874M
| $1.12M | ﹤0.01% |
728
-345
| -32% | -$3.77K |
|
2037
CALL
Fate Therapeutics
FATE
$281M
| $1.12M | ﹤0.01% |
327
-258
| -44% | -$7.69K |
|
|
OPLN
2038
CALL
Openlane
OPLN
$4.17B
| $1.12M | ﹤0.01% |
815
+747
| +1,099% | +$10.3K |
|
2039
CALL
Melco Resorts & Entertainment
MLCO
$2.1B
| $1.12M | ﹤0.01% |
722
-559
| -44% | -$8.65K |
|
2040
CALL
Starwood Property Trust
STWD
$6.12B
| $1.12M | ﹤0.01% |
749
+109
| +17% | +$1.47K |
|
|
FLG
2041
PUT
Flagstar Bank National Association
FLG
$5.77B
| $1.12M | ﹤0.01% |
366
-35
| -9% | -$1.05K |
|
2042
PUT
Stratasys
SSYS
$697M
| $1.12M | ﹤0.01% |
705
+508
| +258% | +$8.59K |
|
|
WCN
2043
CALL
Waste Connections
WCN
$42.8B
| $1.12M | ﹤0.01% |
119
+47
| +65% | +$4.19K |
|
2044
CALL
Angi Inc
ANGI
$224M
| $1.11M | ﹤0.01% |
92
+84
| +1,050% | +$7.66K |
|
2045
CALL
F5
FFIV
$22.1B
| $1.11M | ﹤0.01% |
80
-68
| -46% | -$9.15K |
|
2046
PUT
Regenxbio
RGNX
$623M
| $1.11M | ﹤0.01% |
303
+7
| +2% | +$261 |
|
2047
CALL
Republic Services
RSG
$66.7B
| $1.11M | ﹤0.01% |
136
-52
| -28% | -$4.19K |
|
2048
CALL
Kratos Defense & Security Solutions
KTOS
$8.88B
| $1.11M | ﹤0.01% |
713
-345
| -33% | -$5.52K |
|
2049
CALL
AutoNation
AN
$6.97B
| $1.11M | ﹤0.01% |
296
-38
| -11% | -$1.38K |
|
2050
Fair Isaac
FICO
$28.7B
| $1.11M | ﹤0.01% |
2,661
-421
| -14% | -$154K |
|
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.