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 | |
|---|---|---|---|---|---|---|
426
PUT
Beyond Meat
BYND
$289M
| $24.6M | 0.03% |
1,028,000
+187,600
| +22% | +$5.99M |
|
427
PUT
CF Industries
CF
$19.5B
| $24.4M | 0.03% |
284,400
-107,500
| -27% | -$10.4M |
|
428
CALL
Wynn Resorts
WYNN
$10B
| $24.4M | 0.03% |
427,400
+122,500
| +40% | +$8.1M |
|
429
PUT
Duke Energy
DUK
$101B
| $24.3M | 0.03% |
227,100
+183,800
| +424% | +$20.2M |
|
430
CALL
Rivian
RIVN
$23.8B
| $24.3M | 0.03% |
945,800
-210,100
| -18% | -$6.56M |
|
431
PUT
Direxion Daily Technology Bull 3x ETF
TECL
$5.39B
| $24.2M | 0.03% |
1,143,400
-669,100
| -37% | -$26.6M |
|
432
PUT
Akamai
AKAM
$17.1B
| $24.2M | 0.03% |
265,300
+15,300
| +6% | +$1.59M |
|
433
PUT
Intuitive Surgical
ISRG
$119B
| $24.1M | 0.03% |
120,100
+63,100
| +111% | +$14.8M |
|
434
PUT
MongoDB
MDB
$24.1B
| $24M | 0.03% |
92,600
-25,900
| -22% | -$8.1M |
|
435
CALL
Suncor Energy
SU
$78.4B
| $24M | 0.03% |
684,400
+145,700
| +27% | +$5.3M |
|
436
CALL
Atlassian
TEAM
$20.3B
| $23.9M | 0.03% |
127,600
+99,000
| +346% | +$21.1M |
|
437
PUT
Pinterest
PINS
$12.3B
| $23.9M | 0.03% |
1,316,200
-123,600
| -9% | -$2.59M |
|
438
CALL
Teladoc Health
TDOC
$1.56B
| $23.9M | 0.03% |
719,700
-150,600
| -17% | -$6.4M |
|
439
CALL
Scotiabank
BNS
$106B
| $23.8M | 0.03% |
402,400
+316,000
| +366% | +$20.5M |
|
440
PUT
Automatic Data Processing
ADP
$97.1B
| $23.8M | 0.03% |
113,400
+5,600
| +5% | +$1.23M |
|
|
441
PUT
Wynn Resorts
WYNN
$10B
| $23.8M | 0.03% |
417,600
-391,000
| -48% | -$25.8M |
|
442
CALL
Okta
OKTA
$23.7B
| $23.8M | 0.03% |
262,900
+123,500
| +89% | +$13.3M |
|
|
SCHW
443
CALL
Charles Schwab
SCHW
$177B
| $23.7M | 0.03% |
374,800
-29,900
| -7% | -$2.06M |
|
444
PUT
Chewy
CHWY
$8.38B
| $23.7M | 0.03% |
681,200
-422,600
| -38% | -$13.6M |
|
445
PUT
eBay
EBAY
$48.5B
| $23.6M | 0.03% |
565,500
-118,400
| -17% | -$5.77M |
|
446
PUT
Autodesk
ADSK
$43.3B
| $23.5M | 0.03% |
136,700
-54,600
| -29% | -$10.5M |
|
447
CALL
Plug Power
PLUG
$3.06B
| $23.5M | 0.03% |
1,417,500
+413,400
| +41% | +$8.2M |
|
448
PUT
APA Corp
APA
$12.9B
| $23.3M | 0.02% |
667,800
+157,000
| +31% | +$6.67M |
|
449
CALL
iShares Core MSCI Emerging Markets ETF
IEMG
$152B
| $23.3M | 0.02% |
473,700
+331,000
| +232% | +$17.1M |
|
450
CALL
Southwest Airlines
LUV
$21.9B
| $23.1M | 0.02% |
640,800
+91,000
| +17% | +$3.91M |
|
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.