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 | Miscellaneous | 97.48% |
| 2 | Technology | 0.84% |
| 3 | Consumer Discretionary | 0.32% |
| 4 | Communication Services | 0.32% |
| 5 | Financials | 0.28% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
101
PUT
Home Depot
HD
$320B
| $110M | 0.12% |
400,800
+48,200
| +14% | +$14.2M |
|
|
102
PUT
Ford
F
$58.3B
| $109M | 0.12% |
9,804,400
+552,100
| +6% | +$7.56M |
|
103
PUT
Caterpillar
CAT
$374B
| $108M | 0.12% |
606,700
-157,100
| -21% | -$33.1M |
|
|
XYZ
104
PUT
Block Inc
XYZ
$49.7B
| $108M | 0.11% |
1,759,300
-350,000
| -17% | -$32M |
|
|
105
CALL
Home Depot
HD
$320B
| $108M | 0.11% |
403,300
-96,200
| -19% | -$28.4M |
|
106
PUT
Morgan Stanley
MS
$342B
| $108M | 0.11% |
1,416,100
+63,900
| +5% | +$5.23M |
|
|
107
CALL
Vanguard S&P 500 ETF
VOO
$1.03T
| $107M | 0.11% |
454,300
+209,900
| +86% | +$79.1M |
|
108
CALL
Johnson & Johnson
JNJ
$663B
| $107M | 0.11% |
600,100
-118,900
| -17% | -$21.2M |
|
109
PUT
Mastercard
MA
$507B
| $106M | 0.11% |
336,600
-177,200
| -34% | -$61M |
|
110
CALL
Target
TGT
$74.7B
| $105M | 0.11% |
742,900
+213,700
| +40% | +$41M |
|
111
PUT
Verizon
VZ
$208B
| $105M | 0.11% |
2,062,700
+1,013,700
| +97% | +$51.3M |
|
112
PUT
Costco
COST
$406B
| $105M | 0.11% |
218,200
-263,700
| -55% | -$134M |
|
113
PUT
ARK Space & Defense Innovation ETF
ARKX
$764M
| $103M | 0.11% |
2,812,000
-1,441,600
| -34% | -$21.8M |
|
114
PUT
Wells Fargo
WFC
$272B
| $103M | 0.11% |
2,634,100
-280,700
| -10% | -$12.3M |
|
115
PUT
Walt Disney
DIS
$182B
| $102M | 0.11% |
1,084,100
-1,052,600
| -49% | -$117M |
|
|
116
CALL
Wells Fargo
WFC
$272B
| $102M | 0.11% |
2,610,900
+376,100
| +17% | +$16.5M |
|
117
PUT
Broadcom
AVGO
$1.7T
| $101M | 0.11% |
2,082,000
-1,249,000
| -37% | -$70.1M |
|
118
PUT
S&P Global
SPGI
$131B
| $100M | 0.11% |
298,100
+137,900
| +86% | +$49.2M |
|
|
UWC
119
CALL
DELISTED
PROSHARES TR ULTRA RUSSELL3000
UWC
| $100M | 0.11% |
3,960,600
+1,137,800
| +40% | +$28.7M |
|
|
120
CALL
Broadcom
AVGO
$1.7T
| $99.1M | 0.11% |
2,040,000
-293,000
| -13% | -$16.4M |
|
121
CALL
Starbucks
SBUX
$119B
| $98.4M | 0.1% |
1,288,300
+39,200
| +3% | +$3.01M |
|
122
CALL
Merck
MRK
$371B
| $98.1M | 0.1% |
1,178,100
-352,200
| -23% | -$31.2M |
|
123
PUT
Coinbase
COIN
$48.7B
| $97.6M | 0.1% |
2,075,500
+1,490,800
| +255% | +$142M |
|
124
CALL
IBM
IBM
$221B
| $96.5M | 0.1% |
826,600
-538,600
| -39% | -$72.7M |
|
125
PUT
Adobe
ADBE
$106B
| $96.1M | 0.1% |
262,400
-177,500
| -40% | -$72.2M |
|
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's Q2 2022 filing shows 1,404 new, 4,026 increased, 4,284 reduced and 1,790 closed positions. Its largest new stake was Alphabet (Google) Class C: 543,540 shares worth $59.4M. The largest sale was State Street SPDR S&P 500 ETF Trust, an estimated $51.5M.
By sector, the portfolio is most concentrated in Miscellaneous at 97% of assets, down from 98% a quarter earlier, followed by Technology and Consumer Discretionary.
- 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 1,404 new positions and closed 1,790 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.