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 | |
|---|---|---|---|---|---|---|
51
CALL
Shopify
SHOP
$160B
| $179M | 0.19% |
5,715,800
+1,404,800
| +33% | +$60M |
|
52
PUT
Bank of America
BAC
$430B
| $175M | 0.19% |
5,611,600
+1,279,000
| +30% | +$46M |
|
53
CALL
Boeing
BA
$161B
| $173M | 0.18% |
1,266,400
-279,100
| -18% | -$41.2M |
|
54
CALL
Nike
NKE
$63.7B
| $172M | 0.18% |
1,684,500
+549,800
| +48% | +$65M |
|
|
55
CALL
Intel
INTC
$530B
| $171M | 0.18% |
4,574,100
+59,000
| +1% | +$2.55M |
|
56
PUT
GameStop
GME
$9.78B
| $166M | 0.18% |
5,425,600
-2,935,200
| -35% | -$93.4M |
|
|
57
CALL
iShares Silver Trust
SLV
$28.4B
| $162M | 0.17% |
8,682,200
+399,200
| +5% | +$8.32M |
|
58
PUT
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.07B
| $162M | 0.17% |
1,429,900
+232,800
| +19% | +$6.87M |
|
59
PUT
Qualcomm
QCOM
$183B
| $158M | 0.17% |
1,235,900
+69,900
| +6% | +$9.49M |
|
60
CALL
JPMorgan Chase
JPM
$918B
| $156M | 0.17% |
1,383,600
-491,200
| -26% | -$60.9M |
|
61
PUT
Citigroup
C
$223B
| $155M | 0.16% |
3,362,300
-489,400
| -13% | -$24.5M |
|
62
PUT
Micron Technology
MU
$1.1T
| $154M | 0.16% |
2,787,000
+104,900
| +4% | +$7.12M |
|
63
PUT
Salesforce
CRM
$139B
| $152M | 0.16% |
920,600
+43,700
| +5% | +$7.72M |
|
64
CALL
Adobe
ADBE
$90.3B
| $150M | 0.16% |
409,000
-38,000
| -9% | -$15.5M |
|
65
CALL
Chipotle Mexican Grill
CMG
$42.7B
| $148M | 0.16% |
5,670,000
+3,475,000
| +158% | +$96.8M |
|
66
PUT
McDonald's
MCD
$188B
| $144M | 0.15% |
581,500
+198,800
| +52% | +$49M |
|
67
PUT
Chevron
CVX
$381B
| $143M | 0.15% |
986,400
+200,000
| +25% | +$33.1M |
|
|
TWTR
68
PUT
DELISTED
Twitter, Inc.
TWTR
| $141M | 0.15% |
3,768,000
+1,734,200
| +85% | +$74.4M |
|
|
69
PUT
Intel
INTC
$530B
| $140M | 0.15% |
3,755,200
+313,700
| +9% | +$13.6M |
|
|
70
CALL
Bank of America
BAC
$430B
| $136M | 0.14% |
4,357,100
-351,000
| -7% | -$12.6M |
|
71
PUT
PayPal
PYPL
$49.3B
| $135M | 0.14% |
1,939,400
-137,300
| -7% | -$11.9M |
|
|
72
CALL
Salesforce
CRM
$139B
| $134M | 0.14% |
811,400
-64,800
| -7% | -$11.4M |
|
|
XYZ
73
CALL
Block Inc
XYZ
$47.8B
| $134M | 0.14% |
2,178,500
+511,600
| +31% | +$46.7M |
|
|
74
CALL
Chevron
CVX
$381B
| $133M | 0.14% |
918,200
-96,100
| -9% | -$15.9M |
|
75
CALL
Visa
V
$677B
| $133M | 0.14% |
673,200
-130,200
| -16% | -$26.9M |
|
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.