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 | |
|---|---|---|---|---|---|---|
6226
PUT
TTEC Holdings
TTEC
$121M
| $61K | ﹤0.01% |
900
+100
| +13% | +$7.02K |
|
|
CBD
6227
DELISTED
Companhia Brasileira de Distribuicao
CBD
| $61K | ﹤0.01% |
+19,813
| New | +$84K |
|
|
RDUS
6228
DELISTED
Radius Health, Inc.
RDUS
| $61K | ﹤0.01% |
+5,907
| New | +$43.9K |
|
|
FM
6229
DELISTED
iShares Frontier and Select EM ETF
FM
| $61K | ﹤0.01% |
2,302
+678
| +42% | +$20.4K |
|
6230
CALL
AerSale
ASLE
$293M
| $60K | ﹤0.01% |
4,200
-20,400
| -83% | -$296K |
|
6231
PUT
CMS Energy
CMS
$22.6B
| $60K | ﹤0.01% |
900
-16,000
| -95% | -$1.1M |
|
6232
Crescent Energy
CRGY
$3.79B
| $60K | ﹤0.01% |
4,881
+126
| +3% | +$2.1K |
|
6233
CALL
Douglas Elliman
DOUG
$154M
| $60K | ﹤0.01% |
13,335
+945
| +8% | +$5.23K |
|
6234
Goldgroup Mining Inc.
GORO
$157M
| $60K | ﹤0.01% |
37,095
-73,898
| -67% | -$145K |
|
6235
PUT
Kirby Corp
KEX
$7.01B
| $60K | ﹤0.01% |
+1,000
| New | +$65.1K |
|
6236
Leslie's
LESL
$8.9M
| $60K | ﹤0.01% |
200
-56
| -22% | -$20.9K |
|
6237
ONE Gas
OGS
$4.87B
| $60K | ﹤0.01% |
741
+27
| +4% | +$2.31K |
|
|
ORLA
6238
CALL
DELISTED
Orla Mining
ORLA
| $60K | ﹤0.01% |
22,100
+3,200
| +17% | +$13.1K |
|
6239
Praxis Precision Medicines
PRAX
$8.58B
| $60K | ﹤0.01% |
+1,653
| New | +$176K |
|
6240
PUT
Purple Innovation
PRPL
$35.3M
| $60K | ﹤0.01% |
796
-1,108
| -58% | -$129K |
|
6241
PUT
The RealReal
REAL
$1.46B
| $60K | ﹤0.01% |
24,300
-1,400
| -5% | -$6.23K |
|
6242
PUT
Rackspace Technology
RXT
$1.05B
| $60K | ﹤0.01% |
8,400
-9,700
| -54% | -$87.5K |
|
6243
PUT
Ryanair
RYAAY
$30.4B
| $60K | ﹤0.01% |
2,250
-3,250
| -59% | -$109K |
|
6244
PUT
Comscore
SCOR
$106M
| $60K | ﹤0.01% |
+1,470
| New | +$61.1K |
|
6245
CALL
WPP
WPP
$4.36B
| $60K | ﹤0.01% |
1,200
+1,000
| +500% | +$58.7K |
|
6246
CALL
ReWalk Robotics
LFWD
$20.3M
| $60K | ﹤0.01% |
765
+210
| +38% | +$17.9K |
|
|
TSP
6247
PUT
DELISTED
TuSimple Holdings Inc. Class A Common Stock
TSP
| $60K | ﹤0.01% |
8,400
-24,100
| -74% | -$219K |
|
|
WMC
6248
PUT
DELISTED
Western Asset Mortgage Capital Corporation
WMC
| $60K | ﹤0.01% |
6,830
-910
| -12% | -$12.3K |
|
6249
Allstate
ALL
$68B
| $59K | ﹤0.01% |
+466
| New | +$61.1K |
|
6250
PUT
Archrock
AROC
$6.27B
| $59K | ﹤0.01% |
7,200
+5,100
| +243% | +$46.7K |
|
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.