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 | |
|---|---|---|---|---|---|---|
351
CALL
Carnival Corporation Ltd
CCL
$34.6B
| $32.1M | 0.03% |
3,708,300
+359,200
| +11% | +$5.27M |
|
352
CALL
Snap
SNAP
$7.42B
| $32M | 0.03% |
2,438,400
-75,700
| -3% | -$1.73M |
|
353
PUT
Hilton Worldwide
HLT
$72.9B
| $31.9M | 0.03% |
286,200
+57,800
| +25% | +$8M |
|
354
CALL
Thermo Fisher Scientific
TMO
$213B
| $31.8M | 0.03% |
58,600
-68,600
| -54% | -$37.8M |
|
355
PUT
Cleveland-Cliffs
CLF
$6.25B
| $31.8M | 0.03% |
2,069,600
+186,200
| +10% | +$4.45M |
|
356
PUT
3M
MMM
$87.5B
| $31.7M | 0.03% |
293,020
-88,624
| -23% | -$10.7M |
|
357
CALL
Alcoa
AA
$11.9B
| $31.4M | 0.03% |
689,000
+108,700
| +19% | +$7.05M |
|
358
CALL
Capital One
COF
$123B
| $30.9M | 0.03% |
296,600
+100,400
| +51% | +$12.3M |
|
359
PUT
Kohl's
KSS
$2.06B
| $30.8M | 0.03% |
864,300
+739,700
| +594% | +$36.3M |
|
|
B
360
CALL
Barrick Mining
B
$62.3B
| $30.8M | 0.03% |
1,738,400
-46,100
| -3% | -$1M |
|
361
Amazon
AMZN
$2.51T
| $30.6M | 0.03% |
288,007
+207,267
| +257% | +$25.9M |
|
362
CALL
Akamai
AKAM
$17.1B
| $30.5M | 0.03% |
333,800
+233,700
| +233% | +$24.4M |
|
363
PUT
Royal Caribbean
RCL
$76B
| $30.5M | 0.03% |
872,800
+42,000
| +5% | +$2.61M |
|
364
PUT
iShares Core MSCI Emerging Markets ETF
IEMG
$152B
| $30.4M | 0.03% |
679,200
-185,000
| -21% | -$9.56M |
|
365
PUT
Plug Power
PLUG
$3.06B
| $30.3M | 0.03% |
1,825,900
-382,100
| -17% | -$7.58M |
|
366
CALL
Philip Morris
PM
$298B
| $30.2M | 0.03% |
306,200
-18,700
| -6% | -$1.91M |
|
367
CALL
Datadog
DDOG
$87B
| $30.1M | 0.03% |
316,500
+64,500
| +26% | +$7.09M |
|
|
X
368
CALL
DELISTED
US Steel
X
| $30M | 0.03% |
1,677,700
-993,700
| -37% | -$27.2M |
|
369
CALL
Mercado Libre
MELI
$91.2B
| $29.9M | 0.03% |
47,000
-21,200
| -31% | -$18.5M |
|
370
CALL
Northrop Grumman
NOC
$75.8B
| $29.7M | 0.03% |
62,000
-11,100
| -15% | -$5.1M |
|
|
371
CALL
Royal Caribbean
RCL
$76B
| $29.6M | 0.03% |
849,100
+343,600
| +68% | +$21.4M |
|
372
PUT
Illumina
ILMN
$29.8B
| $29.6M | 0.03% |
165,097
+123,155
| +294% | +$31.4M |
|
373
PUT
Prudential Financial
PRU
$40.9B
| $29.4M | 0.03% |
306,800
+172,300
| +128% | +$18.2M |
|
|
SCHW
374
PUT
Charles Schwab
SCHW
$177B
| $29.3M | 0.03% |
464,400
-47,900
| -9% | -$3.3M |
|
375
PUT
Humana
HUM
$47.4B
| $29.2M | 0.03% |
62,300
+35,400
| +132% | +$15.8M |
|
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.