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 | |
|---|---|---|---|---|---|---|
801
CALL
FT Vest Gold Strategy Target Income ETF
IGLD
$507M
| $9.67M | 0.01% |
+109,500
| New | +$2.25M |
|
802
PUT
Bio-Rad Laboratories Class A
BIO
$8.42B
| $9.65M | 0.01% |
19,500
+4,100
| +27% | +$2.14M |
|
803
PUT
DuPont de Nemours
DD
$18.6B
| $9.65M | 0.01% |
138,301
+78,710
| +132% | +$6.44M |
|
804
CALL
Fair Isaac
FICO
$28.7B
| $9.62M | 0.01% |
24,000
+5,100
| +27% | +$2.01M |
|
805
PUT
AutoNation
AN
$6.97B
| $9.6M | 0.01% |
85,900
+5,400
| +7% | +$612K |
|
806
CALL
Crown Castle
CCI
$32.7B
| $9.58M | 0.01% |
56,900
+35,500
| +166% | +$6.46M |
|
807
PUT
NCR Voyix
VYX
$1.06B
| $9.57M | 0.01% |
501,551
+116,219
| +30% | +$2.48M |
|
808
PUT
Lyft
LYFT
$5.39B
| $9.55M | 0.01% |
719,300
+199,600
| +38% | +$4.65M |
|
809
CALL
Williams Companies
WMB
$90.5B
| $9.55M | 0.01% |
305,900
+133,400
| +77% | +$4.61M |
|
810
PUT
ClearShares Piton Intermediate Fixed Income ETF
PIFI
$97.5M
| $9.51M | 0.01% |
566,200
-126,600
| -18% | -$11.8M |
|
811
Boeing
BA
$165B
| $9.5M | 0.01% |
69,479
+2,181
| +3% | +$322K |
|
812
CALL
Philips
PHG
$25.4B
| $9.5M | 0.01% |
515,148
+29,689
| +6% | +$640K |
|
813
PUT
BILL Holdings
BILL
$4.33B
| $9.48M | 0.01% |
86,200
+5,700
| +7% | +$830K |
|
814
CALL
Coherent
COHR
$55.2B
| $9.45M | 0.01% |
185,500
+65,900
| +55% | +$4.02M |
|
815
PUT
Deutsche Bank
DB
$66.3B
| $9.44M | 0.01% |
1,079,900
+14,600
| +1% | +$156K |
|
816
Occidental Petroleum
OXY
$57B
| $9.43M | 0.01% |
160,189
+154,889
| +2,922% | +$9.51M |
|
817
CALL
Nasdaq
NDAQ
$52.1B
| $9.43M | 0.01% |
185,400
+106,800
| +136% | +$5.65M |
|
|
SGEN
818
CALL
DELISTED
Seagen Inc. Common Stock
SGEN
| $9.41M | 0.01% |
53,200
+51,200
| +2,560% | +$7.38M |
|
819
PUT
Invitation Homes
INVH
$17.7B
| $9.4M | 0.01% |
264,100
+76,200
| +41% | +$2.91M |
|
820
CALL
Microchip Technology
MCHP
$42.8B
| $9.37M | 0.01% |
161,400
+10,500
| +7% | +$695K |
|
821
PUT
Agnico Eagle Mines
AEM
$72.6B
| $9.35M | 0.01% |
204,300
-19,300
| -9% | -$1.07M |
|
822
CALL
MGM Resorts International
MGM
$11.7B
| $9.33M | 0.01% |
322,200
-58,600
| -15% | -$2.1M |
|
823
CALL
Cencora
COR
$60.3B
| $9.32M | 0.01% |
65,900
+22,600
| +52% | +$3.46M |
|
824
CALL
Chubb
CB
$140B
| $9.32M | 0.01% |
47,400
+25,800
| +119% | +$5.31M |
|
|
825
PUT
Williams Companies
WMB
$90.5B
| $9.27M | 0.01% |
297,100
+2,700
| +0.9% | +$93.2K |
|
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.