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 | |
|---|---|---|---|---|---|---|
776
Teva Pharmaceuticals
TEVA
$35.9B
| $10.6M | 0.01% |
1,405,557
+336,675
| +31% | +$2.93M |
|
777
PUT
SoFi Technologies
SOFI
$21.1B
| $10.5M | 0.01% |
1,991,200
-97,500
| -5% | -$659K |
|
778
CALL
HSBC
HSBC
$355B
| $10.5M | 0.01% |
319,900
+164,000
| +105% | +$5.32M |
|
779
CALL
Canadian Solar
CSIQ
$906M
| $10.4M | 0.01% |
334,800
+72,900
| +28% | +$2.24M |
|
|
XYZ
780
Block Inc
XYZ
$45.9B
| $10.4M | 0.01% |
168,804
+165,204
| +4,589% | +$15.1M |
|
|
DFS
781
CALL
DELISTED
Discover Financial Services
DFS
| $10.3M | 0.01% |
109,300
+43,900
| +67% | +$4.7M |
|
782
PUT
HP
HPQ
$23.5B
| $10.3M | 0.01% |
312,800
-422,400
| -57% | -$15.5M |
|
783
CALL
Peabody Energy
BTU
$2.78B
| $10.2M | 0.01% |
480,400
+80,100
| +20% | +$1.97M |
|
784
CALL
General Dynamics
GD
$105B
| $10.2M | 0.01% |
46,300
-30,100
| -39% | -$6.93M |
|
785
Abbott
ABT
$180B
| $10.2M | 0.01% |
+93,728
| New | +$10.6M |
|
786
CALL
Teucrium Agricultural Fund
TAGS
$19.6M
| $10.1M | 0.01% |
+870,300
| New | +$29.7M |
|
787
CALL
State Street SPDR Portfolio Europe ETF
SPEU
$712M
| $10.1M | 0.01% |
290,000
+79,900
| +38% | +$2.88M |
|
788
CALL
Sherwin-Williams
SHW
$78.3B
| $10.1M | 0.01% |
44,900
+32,700
| +268% | +$8.39M |
|
789
PUT
MGM Resorts International
MGM
$11.7B
| $10.1M | 0.01% |
347,200
-163,600
| -32% | -$5.87M |
|
790
PUT
Bilibili
BILI
$7.18B
| $10M | 0.01% |
391,500
-405,600
| -51% | -$9.75M |
|
791
CALL
Welltower
WELL
$178B
| $10M | 0.01% |
121,700
+75,200
| +162% | +$6.69M |
|
792
PUT
Analog Devices
ADI
$181B
| $10M | 0.01% |
68,500
-102,900
| -60% | -$16.2M |
|
793
PUT
Futu Holdings
FUTU
$13.9B
| $10M | 0.01% |
191,600
-564,900
| -75% | -$21.3M |
|
794
CALL
Invesco S&P SmallCap Low Volatility ETF
XSLV
$249M
| $9.97M | 0.01% |
158,500
+13,200
| +9% | +$606K |
|
795
CALL
Celldex Therapeutics
CLDX
$2.77B
| $9.96M | 0.01% |
369,400
+274,100
| +288% | +$7.96M |
|
796
CALL
Dell
DELL
$283B
| $9.89M | 0.01% |
221,400
+123,700
| +127% | +$5.84M |
|
|
797
CALL
Teva Pharmaceuticals
TEVA
$35.9B
| $9.83M | 0.01% |
1,307,300
+190,900
| +17% | +$1.66M |
|
|
798
PUT
Teva Pharmaceuticals
TEVA
$35.9B
| $9.8M | 0.01% |
1,303,800
-186,900
| -13% | -$1.63M |
|
799
PUT
Stryker
SYK
$127B
| $9.79M | 0.01% |
49,200
+9,400
| +24% | +$2.21M |
|
800
PUT
Paycom
PAYC
$6.78B
| $9.75M | 0.01% |
34,800
+10,100
| +41% | +$2.98M |
|
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.