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 | |
|---|---|---|---|---|---|---|
2101
CALL
OneMain Financial
OMF
$6.9B
| $1.6M | ﹤0.01% |
42,900
+22,600
| +111% | +$976K |
|
2102
PUT
Opendoor
OPEN
$3.69B
| $1.6M | ﹤0.01% |
351,540
-266,393
| -43% | -$1.76M |
|
|
EBIX
2103
PUT
DELISTED
Ebix Inc
EBIX
| $1.6M | ﹤0.01% |
94,800
+58,800
| +163% | +$1.65M |
|
2104
PUT
Doximity
DOCS
$3.67B
| $1.6M | ﹤0.01% |
46,000
-41,000
| -47% | -$1.61M |
|
|
CHNG
2105
PUT
DELISTED
Change Healthcare Inc. Common Stock
CHNG
| $1.6M | ﹤0.01% |
69,400
+3,100
| +5% | +$72.4K |
|
2106
CALL
Coca-Cola Europacific Partners
CCEP
$46.5B
| $1.59M | ﹤0.01% |
30,900
+29,400
| +1,960% | +$1.5M |
|
2107
PUT
MarineMax
HZO
$800M
| $1.59M | ﹤0.01% |
44,100
+36,400
| +473% | +$1.46M |
|
2108
CALL
Itaú Unibanco
ITUB
$91.3B
| $1.59M | ﹤0.01% |
531,490
-52,345
| -9% | -$232K |
|
2109
PUT
Amplify Junior Silver Miners ETF
SILJ
$3.27B
| $1.59M | ﹤0.01% |
172,900
-135,400
| -44% | -$1.62M |
|
2110
PUT
Under Armour Class C
UA
$2.92B
| $1.59M | ﹤0.01% |
195,600
+37,300
| +24% | +$419K |
|
2111
PUT
IPG Photonics
IPGP
$3.89B
| $1.59M | ﹤0.01% |
16,900
+12,300
| +267% | +$1.22M |
|
2112
CALL
Monster Beverage
MNST
$91.4B
| $1.58M | ﹤0.01% |
34,200
+15,200
| +80% | +$661K |
|
2113
Algoma Steel
ASTL
$455M
| $1.58M | ﹤0.01% |
+176,362
| New | +$1.69M |
|
2114
PUT
Murphy USA
MUSA
$11.3B
| $1.58M | ﹤0.01% |
6,800
+6,700
| +6,700% | +$1.58M |
|
|
MMP
2115
PUT
DELISTED
Magellan Midstream Partners, L.P.
MMP
| $1.58M | ﹤0.01% |
33,100
-38,300
| -54% | -$1.91M |
|
2116
CALL
Roper Technologies
ROP
$36.3B
| $1.58M | ﹤0.01% |
4,000
+3,300
| +471% | +$1.43M |
|
2117
CALL
CACI
CACI
$10.8B
| $1.58M | ﹤0.01% |
5,600
+5,500
| +5,500% | +$1.53M |
|
|
ETAC
2118
CALL
DELISTED
E.Merge Technology Acquisition Corp. Class A Common Stock
ETAC
| $1.58M | ﹤0.01% |
157,900
+148,600
| +1,598% | +$1.48M |
|
|
SBNY
2119
CALL
DELISTED
Signature Bank
SBNY
| $1.58M | ﹤0.01% |
8,800
+2,400
| +38% | +$538K |
|
2120
PUT
KeyCorp
KEY
$24.3B
| $1.58M | ﹤0.01% |
91,500
+51,500
| +129% | +$996K |
|
2121
PUT
Tenet Healthcare
THC
$20.1B
| $1.58M | ﹤0.01% |
30,000
-57,300
| -66% | -$3.99M |
|
2122
CALL
Floor & Decor
FND
$5.81B
| $1.57M | ﹤0.01% |
25,000
-1,400
| -5% | -$105K |
|
2123
CALL
Ormat Technologies
ORA
$6.11B
| $1.57M | ﹤0.01% |
20,100
+19,200
| +2,133% | +$1.51M |
|
2124
PUT
Motorola Solutions
MSI
$69.4B
| $1.57M | ﹤0.01% |
7,500
+4,900
| +188% | +$1.07M |
|
2125
PUT
Signet Jewelers
SIG
$3.55B
| $1.57M | ﹤0.01% |
29,400
+23,800
| +425% | +$1.55M |
|
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.