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 | |
|---|---|---|---|---|---|---|
1026
CALL
Dolby
DLB
$4.72B
| $6.18M | 0.01% |
86,400
+82,500
| +2,115% | +$6.24M |
|
1027
American Electric Power
AEP
$73.7B
| $6.18M | 0.01% |
64,397
+1,474
| +2% | +$146K |
|
|
BHVN
1028
PUT
DELISTED
Biohaven Pharmaceutical Holding Company Ltd.
BHVN
| $6.18M | 0.01% |
42,400
-38,000
| -47% | -$4.85M |
|
1029
CALL
Agilent Technologies
A
$39.1B
| $6.15M | 0.01% |
51,800
+23,600
| +84% | +$2.9M |
|
1030
CALL
Canadian Natural Resources
CNQ
$96.9B
| $6.15M | 0.01% |
233,809
-143,757
| -38% | -$4.37M |
|
1031
CALL
Universal Display
OLED
$3.71B
| $6.14M | 0.01% |
60,700
+46,000
| +313% | +$5.92M |
|
1032
PUT
Alpha Metallurgical Resources
AMR
$1.82B
| $6.12M | 0.01% |
47,400
+27,500
| +138% | +$4.16M |
|
1033
CALL
Wayfair
W
$11.1B
| $6.12M | 0.01% |
140,500
+73,100
| +108% | +$5.14M |
|
1034
PUT
TransDigm Group
TDG
$69.2B
| $6.12M | 0.01% |
11,400
-38,200
| -77% | -$22.5M |
|
1035
PUT
Enterprise Products Partners
EPD
$83.8B
| $6.09M | 0.01% |
250,100
-66,700
| -21% | -$1.75M |
|
1036
PUT
Baker Hughes
BKR
$56.8B
| $6.08M | 0.01% |
210,600
+64,700
| +44% | +$2.19M |
|
1037
CALL
CSX Corp
CSX
$98.6B
| $6.08M | 0.01% |
209,200
-200
| -0.1% | -$6.52K |
|
1038
Norwegian Cruise Line
NCLH
$8.89B
| $6.08M | 0.01% |
546,409
-493,933
| -47% | -$8.28M |
|
1039
CALL
AB InBev
BUD
$158B
| $6.07M | 0.01% |
112,600
+34,900
| +45% | +$1.96M |
|
1040
PUT
Molson Coors Class B
TAP
$7.68B
| $6.07M | 0.01% |
111,400
+63,000
| +130% | +$3.38M |
|
1041
CALL
Fastly Inc
FSLY
$3.17B
| $6.07M | 0.01% |
522,800
+25,400
| +5% | +$358K |
|
1042
CALL
iShares Gold Trust
IAU
$63B
| $6.04M | 0.01% |
176,200
-58,000
| -25% | -$2.06M |
|
1043
Take-Two Interactive
TTWO
$43B
| $6.04M | 0.01% |
49,299
+44,343
| +895% | +$5.64M |
|
1044
PUT
Vanguard Emerging Markets Government Bond ETF
VWOB
$6.15B
| $6.04M | 0.01% |
60,200
+51,000
| +554% | +$3.3M |
|
1045
CALL
FS KKR Capital
FSK
$2.98B
| $6.01M | 0.01% |
309,600
+152,600
| +97% | +$3.23M |
|
|
EXE
1046
PUT
Expand Energy Corp
EXE
$21.9B
| $5.99M | 0.01% |
73,900
+34,300
| +87% | +$3.1M |
|
|
CTXS
1047
PUT
DELISTED
Citrix Systems Inc
CTXS
| $5.99M | 0.01% |
61,600
-21,700
| -26% | -$2.16M |
|
1048
CALL
KKR & Co
KKR
$89.2B
| $5.95M | 0.01% |
128,600
+79,100
| +160% | +$4.15M |
|
1049
CALL
Bilibili
BILI
$7.18B
| $5.95M | 0.01% |
232,400
-237,600
| -51% | -$5.71M |
|
|
DFS
1050
PUT
DELISTED
Discover Financial Services
DFS
| $5.95M | 0.01% |
62,900
-39,700
| -39% | -$4.25M |
|
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.