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 |
Apple
AAPL
|
+$286M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$82.3M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$72.6M |
| 4 |
Alphabet (Google) Class C
GOOG
|
+$64.2M |
| 5 |
Intel
INTC
|
+$52.9M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$51.5M |
| 2 |
iShares Silver Trust
SLV
|
+$41.8M |
| 3 |
Ford
F
|
+$26.3M |
| 4 |
United Airlines
UAL
|
+$22.7M |
| 5 |
ExxonMobil
XOM
|
+$22.3M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.84% |
| 2 | Communication Services | 0.32% |
| 3 | Consumer Discretionary | 0.32% |
| 4 | Financials | 0.28% |
| 5 | Healthcare | 0.2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2076
PUT
Nokia
NOK
$50.8B
| $1.64M | ﹤0.01% |
355,600
-234,700
| -40% | -$1.17M |
|
2077
CALL
Bumble
BMBL
$367M
| $1.64M | ﹤0.01% |
58,200
-156,200
| -73% | -$4.24M |
|
2078
CALL
Baxter International
BAX
$11.6B
| $1.64M | ﹤0.01% |
25,500
-72,200
| -74% | -$5.24M |
|
2079
CALL
Harley-Davidson
HOG
$2.68B
| $1.63M | ﹤0.01% |
51,600
-8,600
| -14% | -$306K |
|
2080
CALL
Equity Residential
EQR
$25.4B
| $1.63M | ﹤0.01% |
22,600
-5,300
| -19% | -$421K |
|
2081
CALL
Microvision
MVIS
$88.2M
| $1.63M | ﹤0.01% |
424,900
-152,700
| -26% | -$546K |
|
2082
TransDigm Group
TDG
$69.2B
| $1.63M | ﹤0.01% |
3,035
+2,405
| +382% | +$1.42M |
|
2083
PUT
Citizens Financial Group
CFG
$30.4B
| $1.63M | ﹤0.01% |
45,600
-45,100
| -50% | -$1.78M |
|
2084
PUT
Lincoln National
LNC
$7.91B
| $1.63M | ﹤0.01% |
34,800
+4,100
| +13% | +$234K |
|
2085
PUT
First Horizon
FHN
$12.1B
| $1.63M | ﹤0.01% |
74,400
-21,700
| -23% | -$488K |
|
2086
CALL
Helen of Troy
HELE
$663M
| $1.62M | ﹤0.01% |
10,000
+8,000
| +400% | +$1.51M |
|
|
EMBJ
2087
PUT
Embraer S.A. ADS
EMBJ
$11.6B
| $1.62M | ﹤0.01% |
184,900
-123,900
| -40% | -$1.33M |
|
2088
WIX.com
WIX
$2.15B
| $1.62M | ﹤0.01% |
24,770
-1,909
| -7% | -$140K |
|
|
ISEE
2089
CALL
DELISTED
IVERIC bio, Inc. Common Stock
ISEE
| $1.62M | ﹤0.01% |
168,600
+46,600
| +38% | +$585K |
|
2090
CALL
Clover Health Investments
CLOV
$2.28B
| $1.62M | ﹤0.01% |
757,300
-19,100
| -2% | -$50.8K |
|
2091
Workday
WDAY
$33.4B
| $1.62M | ﹤0.01% |
11,613
-32,857
| -74% | -$5.97M |
|
2092
PUT
AeroVironment
AVAV
$7.57B
| $1.62M | ﹤0.01% |
19,700
+17,000
| +630% | +$1.51M |
|
2093
PUT
Zevra Therapeutics
ZVRA
$563M
| $1.62M | ﹤0.01% |
363,100
+195,300
| +116% | +$890K |
|
|
CCEC
2094
Capital Clean Energy Carriers
CCEC
$1.4B
| $1.62M | ﹤0.01% |
106,839
+93,385
| +694% | +$1.48M |
|
2095
CALL
Gogo Inc
GOGO
$515M
| $1.61M | ﹤0.01% |
99,800
-22,700
| -19% | -$432K |
|
2096
PUT
Invesco DB Commodity Index Tracking Fund
DBC
$1.73B
| $1.61M | ﹤0.01% |
60,500
+37,100
| +159% | +$1.04M |
|
2097
CALL
National Grid
NGG
$82.7B
| $1.61M | ﹤0.01% |
26,869
-114,312
| -81% | -$7.56M |
|
2098
CALL
Southern Copper
SCCO
$141B
| $1.61M | ﹤0.01% |
34,842
-13,161
| -27% | -$760K |
|
|
HUT
2099
CALL
Hut 8
HUT
$12.4B
| $1.61M | ﹤0.01% |
241,740
+34,120
| +16% | +$510K |
|
2100
CALL
UDR
UDR
$12.9B
| $1.61M | ﹤0.01% |
34,900
-500
| -1% | -$25.2K |
|
Similar funds
Simplex Trading's Q2 2022 Portfolio in Review
As of Q2 2022, Simplex Trading held 11,810 positions worth $94.1B, down 14% from $109B the previous quarter. Its ten largest holdings account for 40% of the portfolio.
Simplex Trading deployed $11.3B of net new capital in Q2 2022, opening 1,405 new positions and adding to 4,027 existing holdings. Its largest new stake was Alphabet (Google) Class C: 543,540 shares worth $59.4M.
By sector, the portfolio is most concentrated in Technology at 0.84% of assets, up from 0.67% a quarter earlier, followed by Communication Services and Consumer Discretionary.
On the sell side, the largest reduction was United Airlines, an estimated $22.7M trimmed.
- Simplex Trading's largest Q2 2022 buy was Alphabet (Google) Class C: 543,540 shares worth $59.4M.
- Simplex Trading added most to Apple in Q2 2022, an estimated $286M increase.
- Simplex Trading's biggest Q2 2022 reduction was United Airlines, cutting an estimated $22.7M.
- Simplex Trading fully exited State Street SPDR S&P 500 ETF Trust in Q2 2022, selling an estimated $51.5M.
- Simplex Trading's ten largest holdings make up 40% of its $94.1B portfolio in Q2 2022.
- Simplex Trading opened 1,405 new positions and closed 1,792 in Q2 2022.
- Simplex Trading's portfolio value fell 14% quarter-over-quarter to $94.1B.
Based on Simplex Trading's 13F filing for Q2 2022, filed 3 Aug 2022.