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 | |
|---|---|---|---|---|---|---|
176
CALL
Booking.com
BKNG
$139B
| $68.9M | 0.07% |
985,000
-332,500
| -25% | -$28.4M |
|
177
PUT
NextEra Energy
NEE
$183B
| $68.2M | 0.07% |
880,000
+475,700
| +118% | +$36.2M |
|
178
CALL
Snowflake
SNOW
$94.2B
| $68.1M | 0.07% |
489,500
-3,400
| -0.7% | -$539K |
|
179
PUT
Lockheed Martin
LMT
$117B
| $68.1M | 0.07% |
158,300
-194,400
| -55% | -$85.4M |
|
180
PUT
Chipotle Mexican Grill
CMG
$42.7B
| $67.7M | 0.07% |
2,590,000
-2,380,000
| -48% | -$66.3M |
|
181
JPMorgan Chase
JPM
$918B
| $67.7M | 0.07% |
600,999
+363,295
| +153% | +$45M |
|
182
PUT
JD.com
JD
$41.1B
| $67.7M | 0.07% |
1,053,600
-144,200
| -12% | -$8.32M |
|
183
CALL
Roku
ROKU
$21.4B
| $67.3M | 0.07% |
819,600
+159,700
| +24% | +$15.5M |
|
|
184
PUT
United Airlines
UAL
$38.2B
| $67M | 0.07% |
1,891,300
+76,200
| +4% | +$3.34M |
|
185
PUT
Zoom
ZM
$26.3B
| $66.8M | 0.07% |
619,000
-477,400
| -44% | -$50.3M |
|
186
CALL
RTX Corp
RTX
$261B
| $66.8M | 0.07% |
694,800
+190,800
| +38% | +$18.3M |
|
|
187
PUT
Roku
ROKU
$21.4B
| $66.7M | 0.07% |
812,200
-8,700
| -1% | -$843K |
|
188
PUT
American Airlines Group
AAL
$10.1B
| $66.7M | 0.07% |
5,259,400
-1,190,400
| -18% | -$19.8M |
|
189
CALL
CrowdStrike
CRWD
$195B
| $66.5M | 0.07% |
1,578,400
+270,400
| +21% | +$12.2M |
|
190
CALL
Oracle
ORCL
$366B
| $65.9M | 0.07% |
942,700
+22,900
| +2% | +$1.68M |
|
|
191
PUT
Snowflake
SNOW
$94.2B
| $64.6M | 0.07% |
464,600
+53,800
| +13% | +$8.52M |
|
192
PUT
NIO
NIO
$12B
| $64.4M | 0.07% |
2,964,100
-225,100
| -7% | -$4.13M |
|
193
CALL
UnitedHealth
UNH
$396B
| $62.8M | 0.07% |
129,200
-22,000
| -15% | -$11M |
|
194
PUT
Texas Instruments
TXN
$265B
| $62.1M | 0.07% |
404,300
-16,400
| -4% | -$2.76M |
|
195
PUT
Palo Alto Networks
PANW
$279B
| $61.9M | 0.07% |
751,800
+96,000
| +15% | +$8.51M |
|
|
UWC
196
PUT
DELISTED
PROSHARES TR ULTRA RUSSELL3000
UWC
| $61.9M | 0.07% |
2,522,600
+440,400
| +21% | +$10.8M |
|
197
PUT
United States Oil Fund
USO
$2.31B
| $61.8M | 0.07% |
769,600
+12,300
| +2% | +$997K |
|
198
PUT
Freeport-McMoran
FCX
$89.9B
| $61.5M | 0.07% |
2,102,900
+132,800
| +7% | +$5.32M |
|
|
199
CALL
United Airlines
UAL
$38.2B
| $61.4M | 0.07% |
1,733,000
-172,400
| -9% | -$7.57M |
|
200
PUT
ConocoPhillips
COP
$143B
| $61.3M | 0.07% |
682,600
+233,900
| +52% | +$24.1M |
|
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.