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 | |
|---|---|---|---|---|---|---|
1051
CALL
Centene
CNC
$31.3B
| $5.93M | 0.01% |
70,100
-96,300
| -58% | -$8M |
|
1052
CALL
Liberty Media Series A
FWONA
$22.3B
| $5.88M | 0.01% |
168,264
+93,898
| +126% | +$5.21M |
|
1053
PUT
Ferrari
RACE
$63.3B
| $5.87M | 0.01% |
32,000
+9,800
| +44% | +$1.95M |
|
1054
CALL
Ventas
VTR
$48.9B
| $5.87M | 0.01% |
114,100
+34,800
| +44% | +$1.95M |
|
|
SGEN
1055
PUT
DELISTED
Seagen Inc. Common Stock
SGEN
| $5.86M | 0.01% |
33,100
+31,800
| +2,446% | +$4.58M |
|
1056
PUT
Microchip Technology
MCHP
$42.8B
| $5.85M | 0.01% |
100,800
-50,600
| -33% | -$3.35M |
|
1057
CALL
Wheaton Precious Metals
WPM
$50.6B
| $5.84M | 0.01% |
162,100
-2,400
| -1% | -$104K |
|
|
FLNA
1058
PUT
Filana Therapeutics
FLNA
$43M
| $5.84M | 0.01% |
207,600
-44,300
| -18% | -$1.12M |
|
1059
PUT
Magna International
MGA
$17.9B
| $5.83M | 0.01% |
106,200
-62,600
| -37% | -$3.81M |
|
1060
CALL
MP Materials
MP
$7.35B
| $5.81M | 0.01% |
181,100
-12,200
| -6% | -$492K |
|
1061
PUT
Gartner
IT
$9.41B
| $5.8M | 0.01% |
24,000
+6,700
| +39% | +$1.78M |
|
1062
CALL
HubSpot
HUBS
$10.5B
| $5.8M | 0.01% |
19,300
+6,900
| +56% | +$2.52M |
|
1063
CALL
Teradyne
TER
$54.8B
| $5.8M | 0.01% |
64,800
+700
| +1% | +$72.8K |
|
1064
CALL
Bausch Health
BHC
$1.65B
| $5.8M | 0.01% |
693,700
-205,200
| -23% | -$2.87M |
|
1065
PUT
Kimberly-Clark
KMB
$36.4B
| $5.78M | 0.01% |
42,800
-42,900
| -50% | -$5.65M |
|
1066
CALL
Polestar Automotive Holding UK
PSNY
$1.98B
| $5.77M | 0.01% |
+21,847
| New | +$7.01M |
|
|
P
1067
PUT
Everpure Inc
P
$24.8B
| $5.77M | 0.01% |
224,600
+111,800
| +99% | +$3.09M |
|
1068
PUT
Trip.com Group
TCOM
$27.5B
| $5.77M | 0.01% |
210,100
-135,700
| -39% | -$3.03M |
|
1069
PUT
HDFC Bank
HDB
$119B
| $5.76M | 0.01% |
209,600
-55,000
| -21% | -$1.55M |
|
1070
PUT
Canadian Pacific Kansas City
CP
$82B
| $5.73M | 0.01% |
82,100
-46,100
| -36% | -$3.34M |
|
1071
CALL
Range Resources
RRC
$9.11B
| $5.71M | 0.01% |
230,600
+36,700
| +19% | +$1.12M |
|
|
BRSL
1072
CALL
Brightstar Lottery PLC
BRSL
$1.91B
| $5.7M | 0.01% |
307,000
+86,600
| +39% | +$1.85M |
|
1073
PUT
Dynatrace
DT
$12.1B
| $5.68M | 0.01% |
144,100
-2,400
| -2% | -$95.5K |
|
1074
CALL
PBF Energy
PBF
$7.29B
| $5.67M | 0.01% |
195,300
+81,400
| +71% | +$2.55M |
|
1075
CALL
Entegris
ENTG
$19.7B
| $5.67M | 0.01% |
61,500
+27,600
| +81% | +$2.99M |
|
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.