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 | |
|---|---|---|---|---|---|---|
1176
CALL
Guardant Health
GH
$19.5B
| $4.76M | 0.01% |
117,900
+61,100
| +108% | +$3.03M |
|
1177
CALL
Charles River Laboratories
CRL
$10.9B
| $4.75M | 0.01% |
22,200
-7,700
| -26% | -$1.88M |
|
1178
CALL
Hyatt Hotels
H
$17.6B
| $4.75M | 0.01% |
64,200
+49,100
| +325% | +$4.26M |
|
1179
PUT
Performance Food Group
PFGC
$17.5B
| $4.75M | 0.01% |
103,200
+54,400
| +111% | +$2.51M |
|
1180
PUT
Jazz Pharmaceuticals
JAZZ
$15.9B
| $4.74M | 0.01% |
30,400
-700
| -2% | -$108K |
|
1181
CALL
ZipRecruiter
ZIP
$318M
| $4.74M | 0.01% |
319,900
+75,200
| +31% | +$1.49M |
|
1182
CALL
Ingersoll Rand
IR
$33B
| $4.72M | 0.01% |
112,300
+86,300
| +332% | +$3.93M |
|
1183
CALL
NRG Energy
NRG
$29.8B
| $4.72M | 0.01% |
123,600
-11,100
| -8% | -$454K |
|
|
TRQ
1184
CALL
DELISTED
Turquoise Hill Resources Ltd
TRQ
| $4.71M | 0.01% |
175,700
+5,300
| +3% | +$150K |
|
1185
CALL
Capri Holdings
CPRI
$1.77B
| $4.7M | 0.01% |
114,500
+31,900
| +39% | +$1.48M |
|
1186
PUT
Canadian Solar
CSIQ
$906M
| $4.7M | 0.01% |
150,800
+60,200
| +66% | +$1.85M |
|
|
SPWR
1187
CALL
DELISTED
SunPower Corporation Common Stock
SPWR
| $4.68M | 0.01% |
296,300
-18,500
| -6% | -$333K |
|
1188
CALL
JetBlue
JBLU
$1.96B
| $4.67M | 0.01% |
558,500
+205,200
| +58% | +$2.19M |
|
|
CRON
1189
PUT
Cronos Group
CRON
$1.05B
| $4.67M | 0.01% |
1,656,600
+1,235,500
| +293% | +$3.85M |
|
1190
CALL
Vanguard Emerging Markets Government Bond ETF
VWOB
$6.15B
| $4.66M | 0.01% |
46,000
+7,400
| +19% | +$479K |
|
|
NKLA
1191
CALL
DELISTED
Nikola Corporation Common Stock
NKLA
| $4.66M | 0.01% |
32,653
+2,013
| +7% | +$412K |
|
1192
PUT
MarketAxess Holdings
MKTX
$4.15B
| $4.66M | 0.01% |
18,200
+10,000
| +122% | +$2.73M |
|
1193
DoorDash
DASH
$75.3B
| $4.65M | ﹤0.01% |
72,481
-43,533
| -38% | -$3.46M |
|
1194
PUT
Corning
GLW
$126B
| $4.65M | ﹤0.01% |
147,500
+31,900
| +28% | +$1.1M |
|
1195
PUT
BioMarin Pharmaceuticals
BMRN
$11.5B
| $4.64M | ﹤0.01% |
56,000
+35,600
| +175% | +$2.83M |
|
1196
SAP
SAP
$187B
| $4.63M | ﹤0.01% |
+51,029
| New | +$5.1M |
|
|
LAC
1197
PUT
DELISTED
Lithium Americas Corp. Common Shares
LAC
| $4.62M | ﹤0.01% |
229,300
+92,500
| +68% | +$2.36M |
|
1198
PUT
AerCap
AER
$23.9B
| $4.61M | ﹤0.01% |
112,500
-41,000
| -27% | -$1.9M |
|
1199
CALL
Axsome Therapeutics
AXSM
$12.4B
| $4.6M | ﹤0.01% |
120,100
+60,700
| +102% | +$1.92M |
|
1200
PUT
H&R Block
HRB
$5.18B
| $4.6M | ﹤0.01% |
130,200
+93,600
| +256% | +$2.89M |
|
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.