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 | |
|---|---|---|---|---|---|---|
2126
CALL
First Citizens BancShares
FCNCA
$24.6B
| $1.57M | ﹤0.01% |
2,400
+1,500
| +167% | +$978K |
|
2127
PUT
Guidewire Software
GWRE
$11.5B
| $1.57M | ﹤0.01% |
22,100
+20,800
| +1,600% | +$1.7M |
|
2128
CALL
United States Gasoline Fund
UGA
$142M
| $1.57M | ﹤0.01% |
23,100
+4,000
| +21% | +$267K |
|
2129
PUT
Aon
AON
$77.3B
| $1.56M | ﹤0.01% |
5,800
+3,900
| +205% | +$1.12M |
|
2130
CALL
Gevo
GEVO
$397M
| $1.56M | ﹤0.01% |
664,900
+166,000
| +33% | +$607K |
|
2131
PUT
StoneCo
STNE
$2.62B
| $1.56M | ﹤0.01% |
202,800
+16,300
| +9% | +$156K |
|
2132
PUT
Yum China
YUMC
$14.9B
| $1.56M | ﹤0.01% |
32,200
-64,700
| -67% | -$2.72M |
|
2133
CALL
Ametek
AME
$55.5B
| $1.56M | ﹤0.01% |
14,200
+1,600
| +13% | +$194K |
|
2134
CALL
FLEX LNG
FLNG
$1.67B
| $1.56M | ﹤0.01% |
56,900
+33,300
| +141% | +$931K |
|
|
OPTU
2135
PUT
Optimum Communications Inc
OPTU
$316M
| $1.56M | ﹤0.01% |
168,300
+74,600
| +80% | +$781K |
|
2136
CALL
SkinHealth Systems
SKIN
$94.9M
| $1.55M | ﹤0.01% |
120,800
+48,800
| +68% | +$654K |
|
2137
Boyd Gaming
BYD
$6.47B
| $1.55M | ﹤0.01% |
+31,183
| New | +$1.8M |
|
2138
CALL
Phillips Edison & Co
PECO
$5.48B
| $1.55M | ﹤0.01% |
46,400
+28,400
| +158% | +$964K |
|
2139
CALL
Delek US
DK
$3.87B
| $1.55M | ﹤0.01% |
59,900
+56,700
| +1,772% | +$1.53M |
|
2140
PUT
Nutanix
NTNX
$14.9B
| $1.55M | ﹤0.01% |
105,800
+23,000
| +28% | +$479K |
|
|
LAZR
2141
PUT
DELISTED
Luminar Technologies
LAZR
| $1.54M | ﹤0.01% |
17,380
-1,613
| -8% | -$258K |
|
2142
CALL
Deutsche Bank
DB
$66.3B
| $1.54M | ﹤0.01% |
176,700
-16,300
| -8% | -$174K |
|
2143
PUT
Toyota
TM
$210B
| $1.54M | ﹤0.01% |
10,000
-14,000
| -58% | -$2.31M |
|
2144
PUT
CryoPort
CYRX
$775M
| $1.54M | ﹤0.01% |
49,700
-72,900
| -59% | -$1.94M |
|
|
2145
SkinHealth Systems
SKIN
$94.9M
| $1.53M | ﹤0.01% |
119,365
+118,906
| +25,905% | +$1.59M |
|
|
KDNY
2146
CALL
DELISTED
Chinook Therapeutics, Inc. Common Stock
KDNY
| $1.53M | ﹤0.01% |
87,800
+86,800
| +8,680% | +$1.36M |
|
|
BKI
2147
PUT
DELISTED
Black Knight, Inc. Common Stock
BKI
| $1.53M | ﹤0.01% |
23,400
+300
| +1% | +$20.2K |
|
|
LSI
2148
PUT
DELISTED
Life Storage, Inc.
LSI
| $1.53M | ﹤0.01% |
13,700
+6,000
| +78% | +$741K |
|
2149
PUT
Graco
GGG
$12.9B
| $1.53M | ﹤0.01% |
25,700
+25,600
| +25,600% | +$1.61M |
|
2150
CALL
TPG
TPG
$6.87B
| $1.52M | ﹤0.01% |
63,800
-158,500
| -71% | -$4.28M |
|
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.