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 | |
|---|---|---|---|---|---|---|
2176
PUT
Ambev
ABEV
$47.3B
| $1.49M | ﹤0.01% |
594,500
+32,100
| +6% | +$91.5K |
|
2177
CALL
Lufax Holding
LU
$1.2B
| $1.49M | ﹤0.01% |
62,150
+33,050
| +114% | +$768K |
|
2178
PUT
MBIA
MBI
$288M
| $1.49M | ﹤0.01% |
120,500
-29,700
| -20% | -$391K |
|
2179
PUT
FuelCell Energy
FCEL
$1.7B
| $1.48M | ﹤0.01% |
13,157
-15,356
| -54% | -$1.94M |
|
|
SGI
2180
PUT
Somnigroup International
SGI
$15.1B
| $1.48M | ﹤0.01% |
69,200
+41,300
| +148% | +$1.06M |
|
2181
CALL
Eldorado Gold
EGO
$8.31B
| $1.48M | ﹤0.01% |
231,000
+150,900
| +188% | +$1.37M |
|
2182
CALL
On Holding
ONON
$11.9B
| $1.48M | ﹤0.01% |
83,400
-1,300
| -2% | -$28.1K |
|
|
NLSN
2183
CALL
DELISTED
Nielsen Holdings plc
NLSN
| $1.47M | ﹤0.01% |
63,500
-29,700
| -32% | -$760K |
|
|
VSTO
2184
DELISTED
Vista Outdoor Inc.
VSTO
| $1.47M | ﹤0.01% |
52,854
-56,981
| -52% | -$2.03M |
|
2185
CALL
LSB Industries
LXU
$881M
| $1.47M | ﹤0.01% |
106,300
+47,100
| +80% | +$940K |
|
2186
PUT
Invesco CurrencyShares British Pound Sterling Trust
FXB
$76.9M
| $1.47M | ﹤0.01% |
12,600
+10,000
| +385% | +$1.21M |
|
2187
Magnolia Oil & Gas
MGY
$5.83B
| $1.47M | ﹤0.01% |
69,859
+68,825
| +6,656% | +$1.72M |
|
2188
Altimmune
ALT
$539M
| $1.47M | ﹤0.01% |
+125,262
| New | +$772K |
|
2189
Invesco CurrencyShares Euro Currency Trust
FXE
$331M
| $1.46M | ﹤0.01% |
15,107
-36,740
| -71% | -$3.62M |
|
|
SNP
2190
DELISTED
CHINA PETROLEUM & CHEMICAL CORPORATION ADS (REP 100 ORDINARY H SHARES)
SNP
| $1.46M | ﹤0.01% |
32,647
+29,027
| +802% | +$1.43M |
|
|
2191
On Holding
ONON
$11.9B
| $1.46M | ﹤0.01% |
82,589
+23,699
| +40% | +$513K |
|
2192
PUT
LivePerson
LPSN
$18.9M
| $1.46M | ﹤0.01% |
6,880
+693
| +11% | +$195K |
|
2193
PUT
United States Gasoline Fund
UGA
$142M
| $1.46M | ﹤0.01% |
21,500
+14,800
| +221% | +$987K |
|
2194
iShares S&P GSCI Commodity-Indexed Trust
GSG
$1.02B
| $1.46M | ﹤0.01% |
63,109
+54,418
| +626% | +$1.32M |
|
2195
CALL
Winnebago Industries
WGO
$870M
| $1.46M | ﹤0.01% |
30,000
+8,000
| +36% | +$413K |
|
2196
CALL
Franklin Resources
BEN
$16.9B
| $1.45M | ﹤0.01% |
62,400
+13,000
| +26% | +$332K |
|
2197
PUT
Hewlett Packard
HPE
$63.2B
| $1.45M | ﹤0.01% |
109,600
+45,600
| +71% | +$691K |
|
|
IRBT
2198
CALL
DELISTED
iRobot
IRBT
| $1.45M | ﹤0.01% |
39,500
+19,500
| +98% | +$942K |
|
2199
CALL
Levi Strauss
LEVI
$9.44B
| $1.45M | ﹤0.01% |
88,900
+67,900
| +323% | +$1.23M |
|
2200
CALL
Radian Group
RDN
$5.14B
| $1.45M | ﹤0.01% |
73,800
-26,800
| -27% | -$563K |
|
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.