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
|
+$179M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$90.1M |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$56M |
| 4 |
iShares Silver Trust
SLV
|
+$41.7M |
| 5 |
Advanced Micro Devices
AMD
|
+$39.8M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$42.8M |
| 2 |
Verizon
VZ
|
+$42.5M |
| 3 |
Occidental Petroleum
OXY
|
+$34.7M |
| 4 |
iShares China Large-Cap ETF
FXI
|
+$33M |
| 5 |
Direxion Daily S&P 500 Bull 3x ETF
SPXL
|
+$32.7M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.67% |
| 2 | Consumer Discretionary | 0.37% |
| 3 | Industrials | 0.24% |
| 4 | Healthcare | 0.22% |
| 5 | Financials | 0.19% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
76
PUT
Cisco
CSCO
$442B
| $178M | 0.16% |
3,187,200
+859,400
| +37% | +$48.6M |
|
77
CALL
Berkshire Hathaway Class B
BRK.B
$1.06T
| $176M | 0.16% |
500,000
+38,500
| +8% | +$12.5M |
|
78
PUT
Goldman Sachs
GS
$320B
| $173M | 0.16% |
524,400
+16,100
| +3% | +$5.69M |
|
79
PUT
Intel
INTC
$530B
| $171M | 0.16% |
3,441,500
+586,400
| +21% | +$29.1M |
|
80
CALL
iShares Morningstar Value ETF
ILCV
$1.3B
| $170M | 0.16% |
2,833,100
+919,400
| +48% | +$62.3M |
|
81
PUT
Caterpillar
CAT
$410B
| $170M | 0.16% |
763,800
+467,700
| +158% | +$98.1M |
|
82
CALL
TSMC
TSM
$2.2T
| $169M | 0.15% |
1,623,000
+711,100
| +78% | +$83.2M |
|
83
PUT
Airbnb
ABNB
$85.5B
| $169M | 0.15% |
982,500
-162,800
| -14% | -$25.9M |
|
84
CALL
Mastercard
MA
$476B
| $168M | 0.15% |
470,100
+56,900
| +14% | +$20.5M |
|
85
CALL
Chevron
CVX
$381B
| $165M | 0.15% |
1,014,300
+345,800
| +52% | +$49.6M |
|
|
UWC
86
CALL
DELISTED
PROSHARES TR ULTRA RUSSELL3000
UWC
| $163M | 0.15% |
2,822,800
+1,734,500
| +159% | +$100M |
|
87
CALL
Qualcomm
QCOM
$183B
| $163M | 0.15% |
1,063,900
+231,700
| +28% | +$38.9M |
|
|
88
PUT
TSMC
TSM
$2.2T
| $159M | 0.15% |
1,524,600
-111,500
| -7% | -$13M |
|
89
CALL
ExxonMobil
XOM
$629B
| $158M | 0.14% |
1,926,000
+484,200
| +34% | +$37.6M |
|
|
90
PUT
Berkshire Hathaway Class B
BRK.B
$1.06T
| $158M | 0.14% |
448,600
-213,500
| -32% | -$69.1M |
|
91
CALL
Pfizer
PFE
$142B
| $158M | 0.14% |
3,061,300
-1,630,600
| -35% | -$84.6M |
|
92
PUT
Chipotle Mexican Grill
CMG
$42.7B
| $157M | 0.14% |
4,970,000
-5,425,000
| -52% | -$163M |
|
93
PUT
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.07B
| $157M | 0.14% |
1,197,100
-193,200
| -14% | -$5.81M |
|
94
PUT
Ford
F
$56.9B
| $156M | 0.14% |
9,252,300
+1,019,400
| +12% | +$19.4M |
|
95
PUT
Lockheed Martin
LMT
$117B
| $156M | 0.14% |
352,700
+122,500
| +53% | +$49.7M |
|
96
CALL
General Motors
GM
$71.7B
| $154M | 0.14% |
3,524,100
+1,503,400
| +74% | +$75.1M |
|
97
CALL
Nike
NKE
$63.7B
| $153M | 0.14% |
1,134,700
+325,700
| +40% | +$45.8M |
|
98
CALL
Home Depot
HD
$331B
| $150M | 0.14% |
499,500
+218,000
| +77% | +$75.6M |
|
|
99
CALL
Lockheed Martin
LMT
$117B
| $147M | 0.13% |
333,500
+211,700
| +174% | +$85.8M |
|
100
CALL
Broadcom
AVGO
$1.84T
| $147M | 0.13% |
2,333,000
+853,000
| +58% | +$50.7M |
|
Similar funds
Simplex Trading's Q1 2022 Portfolio in Review
As of Q1 2022, Simplex Trading held 12,038 positions worth $109B, up 10% from $99B the previous quarter. Its ten largest holdings account for 37% of the portfolio.
Simplex Trading deployed $17.5B of net new capital in Q1 2022, opening 1,603 new positions and adding to 4,441 existing holdings. Its largest new stake was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
By sector, the portfolio is most concentrated in Technology at 0.67% of assets, up from 0.61% a quarter earlier, followed by Consumer Discretionary and Industrials.
On the sell side, the largest reduction was Verizon, an estimated $42.5M trimmed.
- Simplex Trading's largest Q1 2022 buy was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
- Simplex Trading added most to Apple in Q1 2022, an estimated $179M increase.
- Simplex Trading's biggest Q1 2022 reduction was Verizon, cutting an estimated $42.5M.
- Simplex Trading fully exited State Street Financial Select Sector SPDR ETF in Q1 2022, selling an estimated $42.8M.
- Simplex Trading's ten largest holdings make up 37% of its $109B portfolio in Q1 2022.
- Simplex Trading opened 1,603 new positions and closed 1,637 in Q1 2022.
- Simplex Trading's portfolio value rose 10% quarter-over-quarter to $109B.
Based on Simplex Trading's 13F filing for Q1 2022, filed 2 May 2022.