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 |
Microsoft
MSFT
|
+$114M |
| 2 |
NVIDIA
NVDA
|
+$85.9M |
| 3 |
Citigroup
C
|
+$61.5M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$45.5M |
| 5 |
Pfizer
PFE
|
+$41.6M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$467M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$71.2M |
| 3 |
Meta Platforms (Facebook)
META
|
+$47.6M |
| 4 |
Intel
INTC
|
+$41.9M |
| 5 |
TSMC
TSM
|
+$35.9M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.51% |
| 2 | Financials | 0.35% |
| 3 | Consumer Discretionary | 0.3% |
| 4 | Healthcare | 0.25% |
| 5 | Industrials | 0.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
151
PUT
Freeport-McMoran
FCX
$89.9B
| $79.9M | 0.09% |
2,922,600
+819,700
| +39% | +$24M |
|
152
CALL
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$247M
| $79.6M | 0.09% |
6,969,200
+1,253,600
| +22% | +$46.2M |
|
153
CALL
United Parcel Service
UPS
$96.2B
| $79.3M | 0.09% |
490,600
+22,600
| +5% | +$4.28M |
|
154
PUT
Enphase Energy
ENPH
$5.26B
| $78.8M | 0.09% |
284,000
+10,200
| +4% | +$2.75M |
|
155
PUT
Lowe's Companies
LOW
$114B
| $78.1M | 0.09% |
415,700
-66,500
| -14% | -$13M |
|
156
PUT
General Motors
GM
$71.7B
| $77.8M | 0.09% |
2,425,900
-44,100
| -2% | -$1.62M |
|
157
CALL
NextEra Energy
NEE
$183B
| $77.5M | 0.09% |
988,000
+530,900
| +116% | +$45M |
|
158
CALL
GE Aerospace
GE
$353B
| $76.8M | 0.09% |
1,990,797
+667,558
| +50% | +$29.4M |
|
159
PUT
Starbucks
SBUX
$119B
| $76.6M | 0.09% |
909,400
-118,800
| -12% | -$10.1M |
|
160
CALL
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.07B
| $76.3M | 0.09% |
674,400
-464,700
| -41% | -$13.6M |
|
161
CALL
Snowflake
SNOW
$94.2B
| $76.3M | 0.09% |
448,800
-40,700
| -8% | -$6.74M |
|
162
PUT
Nike
NKE
$63.7B
| $76.1M | 0.09% |
915,400
-177,000
| -16% | -$19.1M |
|
163
CALL
Verizon
VZ
$183B
| $75.9M | 0.09% |
2,000,000
-205,400
| -9% | -$9.15M |
|
164
PUT
Linde
LIN
$233B
| $75.7M | 0.09% |
280,900
+106,400
| +61% | +$30.6M |
|
165
PUT
BP
BP
$110B
| $75.3M | 0.09% |
2,636,700
-47,900
| -2% | -$1.43M |
|
166
PUT
VanEck Durable High Dividend ETF
DURA
$38.1M
| $74.8M | 0.08% |
361,100
+96,300
| +36% | +$2.92M |
|
167
CALL
Eli Lilly
LLY
$1.05T
| $74.4M | 0.08% |
230,100
+77,900
| +51% | +$24.7M |
|
168
PUT
Shopify
SHOP
$160B
| $74.3M | 0.08% |
2,758,900
-1,036,700
| -27% | -$35.3M |
|
169
CALL
Caterpillar
CAT
$410B
| $73.8M | 0.08% |
450,000
-13,500
| -3% | -$2.47M |
|
170
CALL
Pinterest
PINS
$12.8B
| $73.3M | 0.08% |
3,642,300
+304,600
| +9% | +$6.68M |
|
171
PUT
Mercado Libre
MELI
$92.4B
| $72.6M | 0.08% |
87,700
+5,800
| +7% | +$4.99M |
|
172
CALL
AT&T
T
$155B
| $72.1M | 0.08% |
5,909,100
+78,900
| +1% | +$1.44M |
|
|
173
PUT
Verizon
VZ
$183B
| $69.9M | 0.08% |
1,841,000
-221,700
| -11% | -$9.87M |
|
174
CALL
Texas Instruments
TXN
$265B
| $69.9M | 0.08% |
451,300
+186,600
| +70% | +$31.3M |
|
175
CALL
CrowdStrike
CRWD
$195B
| $69.5M | 0.08% |
1,686,800
+108,400
| +7% | +$4.96M |
|
Similar funds
Simplex Trading's Q3 2022 Portfolio in Review
As of Q3 2022, Simplex Trading held 11,570 positions worth $88.5B, down 6% from $94.1B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
Simplex Trading's Q3 2022 filing shows 1,564 new, 4,281 increased, 3,851 reduced and 1,575 closed positions. Its largest new stake was Microsoft: 432,062 shares worth $101M. The largest sale was Apple, an estimated $467M.
By sector, the portfolio is most concentrated in Technology at 0.51% of assets, down from 0.84% a quarter earlier, followed by Financials and Consumer Discretionary.
- Simplex Trading's largest Q3 2022 buy was Microsoft: 432,062 shares worth $101M.
- Simplex Trading added most to NVIDIA in Q3 2022, an estimated $85.9M increase.
- Simplex Trading's biggest Q3 2022 reduction was Apple, cutting an estimated $467M.
- Simplex Trading fully exited iShares Core S&P 500 ETF in Q3 2022, selling an estimated $34.3M.
- Simplex Trading's ten largest holdings make up 38% of its $88.5B portfolio in Q3 2022.
- Simplex Trading opened 1,564 new positions and closed 1,575 in Q3 2022.
- Simplex Trading's portfolio value fell 6% quarter-over-quarter to $88.5B.
Based on Simplex Trading's 13F filing for Q3 2022, filed 4 Nov 2022.