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 | |
|---|---|---|---|---|---|---|
|
SPLK
251
CALL
DELISTED
Splunk Inc
SPLK
| $48.9M | 0.05% |
552,800
+21,200
| +4% | +$2.33M |
|
252
CALL
Amgen
AMGN
$199B
| $48.9M | 0.05% |
200,800
+50,400
| +34% | +$12.4M |
|
253
PUT
Kroger
KR
$35.7B
| $48.8M | 0.05% |
1,030,500
+338,100
| +49% | +$18M |
|
254
CALL
Xtrackers MSCI Emerging Markets Hedged Equity ETF
DBEM
$108M
| $48.6M | 0.05% |
1,421,000
+981,400
| +223% | +$22.8M |
|
255
CALL
Biogen
BIIB
$29.8B
| $48.3M | 0.05% |
237,000
+20,100
| +9% | +$4.11M |
|
256
PUT
Intuit
INTU
$79.3B
| $48.3M | 0.05% |
125,200
+27,500
| +28% | +$11.4M |
|
257
Meta Platforms (Facebook)
META
$1.6T
| $48.2M | 0.05% |
298,879
+166,678
| +126% | +$32.2M |
|
258
CALL
SLB Ltd
SLB
$71.4B
| $48M | 0.05% |
1,341,500
+77,900
| +6% | +$3.25M |
|
259
PUT
Honeywell
HON
$74.2B
| $47.7M | 0.05% |
291,245
+145,676
| +100% | +$26.2M |
|
260
CALL
Roblox
RBLX
$36.3B
| $47.7M | 0.05% |
1,451,800
+296,300
| +26% | +$9.95M |
|
261
CALL
Devon Energy
DVN
$52.1B
| $47.5M | 0.05% |
862,100
-148,300
| -15% | -$9.69M |
|
|
PARA
262
PUT
DELISTED
Paramount Global Class B
PARA
| $46.5M | 0.05% |
1,883,000
+215,900
| +13% | +$6.58M |
|
|
263
Intel
INTC
$531B
| $46.2M | 0.05% |
1,234,059
+1,223,659
| +11,766% | +$52.9M |
|
264
PUT
ProShares Ultra Bloomberg Natural Gas
BOIL
$417M
| $45.6M | 0.05% |
12,990
+170
| +1% | +$3.09M |
|
265
PUT
Newmont
NEM
$103B
| $45.1M | 0.05% |
755,900
-29,800
| -4% | -$2.11M |
|
266
PUT
Oracle
ORCL
$364B
| $44.8M | 0.05% |
641,900
-117,400
| -15% | -$8.59M |
|
|
DOCU
267
PUT
DocuSign
DOCU
$9.26B
| $44.7M | 0.05% |
778,600
-317,900
| -29% | -$25.7M |
|
268
PUT
ASML
ASML
$689B
| $44.6M | 0.05% |
93,800
+14,800
| +19% | +$8.26M |
|
|
269
CALL
Intuit
INTU
$79.3B
| $44.6M | 0.05% |
115,700
+68,300
| +144% | +$28.3M |
|
270
iShares China Large-Cap ETF
FXI
$4.29B
| $44.6M | 0.05% |
+1,313,853
| New | +$41.2M |
|
271
CALL
NCR Voyix
VYX
$1.08B
| $44.4M | 0.05% |
2,327,477
+1,857,059
| +395% | +$39.6M |
|
272
PUT
Philip Morris
PM
$298B
| $44.4M | 0.05% |
449,800
+99,100
| +28% | +$10.1M |
|
273
PUT
Diamondback Energy
FANG
$57.5B
| $43.9M | 0.05% |
362,200
+88,100
| +32% | +$12.1M |
|
|
X
274
PUT
DELISTED
US Steel
X
| $43.6M | 0.05% |
2,433,300
+247,400
| +11% | +$6.76M |
|
275
CALL
Western Digital
WDC
$192B
| $43.6M | 0.05% |
1,285,956
+836,930
| +186% | +$33.6M |
|
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.