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 | |
|---|---|---|---|---|---|---|
226
PUT
Kraft Heinz
KHC
$30.9B
| $53.1M | 0.06% |
1,391,600
+840,300
| +152% | +$33.6M |
|
227
CALL
Zoom
ZM
$25.3B
| $53.1M | 0.06% |
491,400
-283,100
| -37% | -$29.9M |
|
228
CALL
Las Vegas Sands
LVS
$30.5B
| $52.7M | 0.06% |
1,568,400
+251,400
| +19% | +$8.7M |
|
229
CALL
GE Aerospace
GE
$357B
| $52.5M | 0.06% |
1,323,239
+583,131
| +79% | +$28.3M |
|
230
TSMC
TSM
$2.18T
| $52.5M | 0.06% |
641,960
+315,477
| +97% | +$29.2M |
|
231
CALL
MongoDB
MDB
$24.2B
| $52.4M | 0.06% |
202,000
+153,100
| +313% | +$47.9M |
|
232
PUT
Mercado Libre
MELI
$91.4B
| $52.2M | 0.06% |
81,900
+50,200
| +158% | +$43.8M |
|
233
PUT
Zscaler
ZS
$23.1B
| $52.1M | 0.06% |
348,300
+112,400
| +48% | +$19.9M |
|
234
CALL
PepsiCo
PEP
$185B
| $51.8M | 0.06% |
311,100
+70,600
| +29% | +$11.9M |
|
235
CALL
BP
BP
$112B
| $51.5M | 0.05% |
1,817,500
-267,000
| -13% | -$8.18M |
|
236
PUT
Booking.com
BKNG
$139B
| $51.2M | 0.05% |
732,500
-150,000
| -17% | -$12.8M |
|
237
CALL
Comcast
CMCSA
$85.1B
| $51M | 0.05% |
1,299,100
+230,500
| +22% | +$9.88M |
|
238
CALL
AT&T
T
$160B
| $50.9M | 0.05% |
5,830,200
-7,112,430
| -55% | -$142M |
|
239
CALL
Delta Air Lines
DAL
$55.1B
| $50.8M | 0.05% |
1,754,300
+444,400
| +34% | +$16.9M |
|
240
CALL
Warner Bros
WBD
$64.7B
| $50.7M | 0.05% |
+3,776,300
| New | +$70M |
|
241
CALL
NIO
NIO
$11.8B
| $50.6M | 0.05% |
2,330,000
-124,600
| -5% | -$2.29M |
|
242
CALL
Altria Group
MO
$121B
| $50.4M | 0.05% |
1,207,500
+289,100
| +31% | +$15M |
|
243
CALL
Direxion Daily Technology Bull 3x ETF
TECL
$5.55B
| $50.3M | 0.05% |
2,573,900
+448,800
| +21% | +$17.9M |
|
244
PUT
Eli Lilly
LLY
$1.04T
| $50.3M | 0.05% |
155,200
+28,000
| +22% | +$8.4M |
|
245
PUT
Linde
LIN
$235B
| $50.2M | 0.05% |
174,500
+54,400
| +45% | +$17M |
|
246
PUT
VanEck Durable High Dividend ETF
DURA
$38.4M
| $50.1M | 0.05% |
264,800
-28,000
| -10% | -$883K |
|
|
247
PUT
PepsiCo
PEP
$185B
| $49.7M | 0.05% |
298,200
-170,100
| -36% | -$28.6M |
|
|
248
CALL
Eli Lilly
LLY
$1.04T
| $49.3M | 0.05% |
152,200
+93,400
| +159% | +$28M |
|
|
249
PUT
GE Aerospace
GE
$357B
| $49.1M | 0.05% |
1,237,527
-903,025
| -42% | -$43.8M |
|
250
CALL
Union Pacific
UNP
$173B
| $48.9M | 0.05% |
229,500
-26,500
| -10% | -$6.03M |
|
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.