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 | |
|---|---|---|---|---|---|---|
3426
CALL
Axcelis
ACLS
$3.59B
| $504K | ﹤0.01% |
9,200
+400
| +5% | +$23.2K |
|
3427
PUT
Coursera
COUR
$1.76B
| $504K | ﹤0.01% |
35,600
+300
| +0.8% | +$5.35K |
|
3428
CALL
Schrodinger
SDGR
$1.15B
| $504K | ﹤0.01% |
19,100
-13,000
| -40% | -$349K |
|
3429
PUT
Tenable Holdings
TENB
$3.52B
| $504K | ﹤0.01% |
11,100
+400
| +4% | +$20.6K |
|
|
AIV
3430
Aimco
AIV
$378M
| $503K | ﹤0.01% |
78,695
+70,399
| +849% | +$444K |
|
3431
PUT
GoPro
GPRO
$123M
| $503K | ﹤0.01% |
91,000
-31,600
| -26% | -$231K |
|
3432
CALL
ACV Auctions
ACVA
$1.44B
| $502K | ﹤0.01% |
76,800
+10,100
| +15% | +$104K |
|
3433
ADT
ADT
$5.42B
| $502K | ﹤0.01% |
81,741
+3,677
| +5% | +$25.6K |
|
3434
PUT
Hycroft Mining Holding Corp
HYMC
$1.83B
| $502K | ﹤0.01% |
45,310
-8,260
| -15% | -$122K |
|
3435
CALL
Innoviz Technologies
INVZ
$94.3M
| $502K | ﹤0.01% |
128,300
+97,800
| +321% | +$381K |
|
3436
PUT
Vroom Inc
VRM
$35.9M
| $502K | ﹤0.01% |
5,020
-6,405
| -56% | -$804K |
|
|
TTCF
3437
PUT
DELISTED
Tattooed Chef, Inc Class A Common Stock
TTCF
| $502K | ﹤0.01% |
79,700
-37,200
| -32% | -$297K |
|
3438
Dollar Tree
DLTR
$24.9B
| $501K | ﹤0.01% |
+3,217
| New | +$510K |
|
3439
Nice
NICE
$6.14B
| $501K | ﹤0.01% |
2,608
-1,142
| -30% | -$231K |
|
|
PLCY
3440
CALL
DELISTED
EventShares U.S. Legislative Opportunities ETF
PLCY
| $501K | ﹤0.01% |
49,700
-5,600
| -10% | -$56.5K |
|
|
SUP
3441
PUT
DELISTED
Superior Industries International
SUP
| $499K | ﹤0.01% |
126,500
-700
| -0.6% | -$2.75K |
|
3442
CALL
Zevra Therapeutics
ZVRA
$576M
| $499K | ﹤0.01% |
112,000
+11,100
| +11% | +$50.6K |
|
|
QVCGA
3443
CALL
DELISTED
QVC Group Inc Series A
QVCGA
| $499K | ﹤0.01% |
3,484
-848
| -20% | -$165K |
|
3444
CALL
Cogent Communications
CCOI
$615M
| $498K | ﹤0.01% |
8,200
+5,400
| +193% | +$332K |
|
|
DOO
3445
CALL
Bombardier Recreational Products
DOO
$4.49B
| $498K | ﹤0.01% |
8,100
-800
| -9% | -$59.8K |
|
|
GOOS
3446
PUT
Canada Goose Holdings
GOOS
$912M
| $498K | ﹤0.01% |
27,700
-48,400
| -64% | -$1.02M |
|
3447
CALL
NexGen Energy
NXE
$5.97B
| $498K | ﹤0.01% |
138,800
+39,300
| +39% | +$186K |
|
|
ORGN
3448
CALL
DELISTED
Origin Materials
ORGN
| $498K | ﹤0.01% |
3,247
-1,573
| -33% | -$300K |
|
|
SAGE
3449
CALL
DELISTED
Sage Therapeutics
SAGE
| $497K | ﹤0.01% |
15,400
+12,500
| +431% | +$419K |
|
3450
PUT
Sabra Healthcare REIT
SBRA
$5.54B
| $497K | ﹤0.01% |
35,600
+15,600
| +78% | +$209K |
|
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.