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 | |
|---|---|---|---|---|---|---|
1751
PUT
Mid-America Apartment Communities
MAA
$15.6B
| $2.25M | ﹤0.01% |
12,900
+6,800
| +111% | +$1.26M |
|
1752
CALL
Rogers Corp
ROG
$2.33B
| $2.25M | ﹤0.01% |
8,600
+700
| +9% | +$186K |
|
1753
CALL
Guidewire Software
GWRE
$11.5B
| $2.25M | ﹤0.01% |
31,700
+1,300
| +4% | +$106K |
|
1754
PUT
Arista Networks
ANET
$219B
| $2.25M | ﹤0.01% |
96,000
-43,200
| -31% | -$1.18M |
|
1755
iShares US Oil & Gas Exploration & Production ETF
IEO
$573M
| $2.25M | ﹤0.01% |
28,896
+28,590
| +9,343% | +$2.53M |
|
1756
PUT
Polestar Automotive Holding UK
PSNY
$1.98B
| $2.25M | ﹤0.01% |
+8,510
| New | +$2.73M |
|
1757
State Street SPDR S&P Metals & Mining ETF
XME
$4.05B
| $2.25M | ﹤0.01% |
51,809
-34,986
| -40% | -$1.9M |
|
1758
CALL
TFI International
TFII
$12.4B
| $2.25M | ﹤0.01% |
28,000
+27,800
| +13,900% | +$2.26M |
|
1759
CALL
QuidelOrtho
QDEL
$1.09B
| $2.24M | ﹤0.01% |
23,100
-19,100
| -45% | -$1.95M |
|
1760
Skyworks Solutions
SWKS
$9.06B
| $2.24M | ﹤0.01% |
24,214
+8,967
| +59% | +$969K |
|
1761
CALL
Wendy's
WEN
$1.33B
| $2.24M | ﹤0.01% |
118,800
+56,900
| +92% | +$1.08M |
|
1762
HCA Healthcare
HCA
$84.8B
| $2.24M | ﹤0.01% |
+13,326
| New | +$2.86M |
|
1763
CALL
Copart
CPRT
$25.9B
| $2.24M | ﹤0.01% |
82,400
+38,400
| +87% | +$1.09M |
|
1764
CALL
Vanguard Short-Term Treasury ETF
VGSH
$29.3B
| $2.23M | ﹤0.01% |
28,800
+22,000
| +324% | +$1.3M |
|
1765
CALL
Asana
ASAN
$1.58B
| $2.23M | ﹤0.01% |
126,800
+63,600
| +101% | +$1.6M |
|
1766
PUT
Elastic
ESTC
$6.1B
| $2.23M | ﹤0.01% |
32,900
+3,200
| +11% | +$233K |
|
1767
CALL
Reliance Steel & Aluminium
RS
$20.8B
| $2.23M | ﹤0.01% |
13,100
+4,200
| +47% | +$784K |
|
1768
PUT
TherapeuticsMD
TXMD
$23.8M
| $2.22M | ﹤0.01% |
223,400
+223,322
| +286,310% | +$2.13M |
|
1769
CALL
Verra Mobility
VRRM
$615M
| $2.22M | ﹤0.01% |
141,400
+116,400
| +466% | +$1.77M |
|
|
NOVA
1770
PUT
DELISTED
Sunnova Energy
NOVA
| $2.21M | ﹤0.01% |
119,800
-2,300
| -2% | -$44K |
|
|
PR
1771
CALL
Permian Resources
PR
$17.9B
| $2.2M | ﹤0.01% |
368,400
+275,200
| +295% | +$2.2M |
|
1772
PUT
Intellia Therapeutics
NTLA
$1.5B
| $2.2M | ﹤0.01% |
42,500
+36,400
| +597% | +$1.85M |
|
1773
Vanguard Information Technology ETF
VGT
$139B
| $2.19M | ﹤0.01% |
+53,784
| New | +$2.42M |
|
1774
W.P. Carey
WPC
$17.1B
| $2.19M | ﹤0.01% |
27,023
+24,095
| +823% | +$1.94M |
|
1775
PUT
McCormick & Company Non-Voting
MKC
$13.4B
| $2.19M | ﹤0.01% |
26,300
-13,600
| -34% | -$1.29M |
|
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.