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 | |
|---|---|---|---|---|---|---|
1226
PUT
Ventas
VTR
$48.9B
| $4.43M | ﹤0.01% |
86,100
-80,500
| -48% | -$4.51M |
|
1227
MongoDB
MDB
$24B
| $4.42M | ﹤0.01% |
17,014
+8,823
| +108% | +$2.76M |
|
1228
PUT
Iron Mountain
IRM
$38.2B
| $4.41M | ﹤0.01% |
90,600
+32,600
| +56% | +$1.72M |
|
1229
CALL
M&T Bank
MTB
$36.2B
| $4.4M | ﹤0.01% |
27,600
-6,300
| -19% | -$1.06M |
|
1230
CALL
Canadian Imperial Bank of Commerce
CM
$107B
| $4.39M | ﹤0.01% |
90,400
+9,400
| +12% | +$512K |
|
|
FTCH
1231
CALL
DELISTED
Farfetch Limited Class A Ordinary Shares
FTCH
| $4.36M | ﹤0.01% |
608,500
+123,900
| +26% | +$1.27M |
|
1232
Wheaton Precious Metals
WPM
$50.6B
| $4.35M | ﹤0.01% |
120,765
+116,573
| +2,781% | +$5.06M |
|
1233
iShares 7-10 Year Treasury Bond ETF
IEF
$47.1B
| $4.33M | ﹤0.01% |
42,375
-146,353
| -78% | -$15M |
|
|
SPR
1234
CALL
DELISTED
Spirit AeroSystems
SPR
| $4.32M | ﹤0.01% |
147,600
+55,500
| +60% | +$1.99M |
|
|
SGI
1235
CALL
Somnigroup International
SGI
$15.1B
| $4.32M | ﹤0.01% |
202,300
+182,400
| +917% | +$4.7M |
|
1236
PUT
NetApp
NTAP
$32.9B
| $4.31M | ﹤0.01% |
66,100
+21,500
| +48% | +$1.55M |
|
1237
PUT
GDS Holdings
GDS
$6.34B
| $4.3M | ﹤0.01% |
128,800
+49,000
| +61% | +$1.52M |
|
1238
PUT
Dave & Buster's
PLAY
$343M
| $4.3M | ﹤0.01% |
131,200
-12,000
| -8% | -$481K |
|
1239
CALL
Starwood Property Trust
STWD
$6.12B
| $4.3M | ﹤0.01% |
205,800
-23,700
| -10% | -$545K |
|
1240
CALL
PTC
PTC
$13.7B
| $4.3M | ﹤0.01% |
40,400
+29,500
| +271% | +$3.18M |
|
1241
CALL
BlackBerry
BB
$5.01B
| $4.29M | ﹤0.01% |
795,500
-580,800
| -42% | -$3.44M |
|
1242
PUT
Matador Resources
MTDR
$6.31B
| $4.28M | ﹤0.01% |
91,800
+14,500
| +19% | +$787K |
|
1243
Marriott International
MAR
$98.7B
| $4.27M | ﹤0.01% |
+31,417
| New | +$5.19M |
|
1244
PUT
DaVita
DVA
$15.1B
| $4.26M | ﹤0.01% |
53,300
+8,600
| +19% | +$870K |
|
|
BBBY
1245
CALL
Bed Bath & Beyond
BBBY
$473M
| $4.25M | ﹤0.01% |
187,110
-113,190
| -38% | -$3.4M |
|
1246
PUT
Asana
ASAN
$1.58B
| $4.25M | ﹤0.01% |
241,900
+101,000
| +72% | +$2.54M |
|
1247
CALL
Rockwell Automation
ROK
$51.4B
| $4.25M | ﹤0.01% |
21,300
-2,100
| -9% | -$474K |
|
1248
CALL
iRhythm Holdings
IRTC
$3.59B
| $4.22M | ﹤0.01% |
39,100
+30,100
| +334% | +$3.99M |
|
1249
PUT
Boyd Gaming
BYD
$6.47B
| $4.22M | ﹤0.01% |
84,800
+35,400
| +72% | +$2.05M |
|
|
SGEN
1250
DELISTED
Seagen Inc. Common Stock
SGEN
| $4.21M | ﹤0.01% |
23,806
+16,589
| +230% | +$2.39M |
|
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.