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 | |
|---|---|---|---|---|---|---|
3026
CALL
Allison Transmission
ALSN
$10B
| $703K | ﹤0.01% |
18,300
-11,700
| -39% | -$447K |
|
3027
PUT
Progyny
PGNY
$2.41B
| $703K | ﹤0.01% |
24,200
+14,300
| +144% | +$512K |
|
3028
PUT
Icahn Enterprises
IEP
$5.26B
| $702K | ﹤0.01% |
14,600
+7,000
| +92% | +$363K |
|
3029
CALL
Frontier Group Holdings
ULCC
$1.43B
| $701K | ﹤0.01% |
74,900
+34,300
| +84% | +$347K |
|
|
FTCH
3030
DELISTED
Farfetch Limited Class A Ordinary Shares
FTCH
| $701K | ﹤0.01% |
+97,943
| New | +$1M |
|
3031
CALL
Steris
STE
$22.4B
| $700K | ﹤0.01% |
3,400
-12,000
| -78% | -$2.71M |
|
3032
PUT
Weibo
WB
$1.95B
| $700K | ﹤0.01% |
30,300
-200
| -0.7% | -$4.48K |
|
3033
CALL
Pacific Biosciences
PACB
$432M
| $699K | ﹤0.01% |
158,200
+36,500
| +30% | +$222K |
|
3034
CALL
Surgery Partners
SGRY
$2.04B
| $699K | ﹤0.01% |
24,200
+8,700
| +56% | +$380K |
|
|
TPTX
3035
PUT
DELISTED
Turning Point Therapeutics, Inc. Common Stock
TPTX
| $699K | ﹤0.01% |
+9,300
| New | +$413K |
|
|
PPLI
3036
CALL
People Inc
PPLI
$3.13B
| $698K | ﹤0.01% |
11,215
+9,265
| +475% | +$653K |
|
3037
PUT
PetMed Express
PETS
$43M
| $698K | ﹤0.01% |
35,100
+17,800
| +103% | +$398K |
|
3038
CALL
BGC Group
BGC
$5.73B
| $697K | ﹤0.01% |
207,000
-7,700
| -4% | -$26.8K |
|
3039
CALL
Westlake Chemical Partners
WLKP
$776M
| $697K | ﹤0.01% |
28,000
+8,700
| +45% | +$233K |
|
|
RAD
3040
CALL
DELISTED
Rite Aid Corporation
RAD
| $697K | ﹤0.01% |
103,500
+36,000
| +53% | +$238K |
|
|
MAPS
3041
CALL
DELISTED
WM TECHNOLOGY INC A
MAPS
| $695K | ﹤0.01% |
211,400
-26,000
| -11% | -$146K |
|
3042
CALL
Enanta Pharmaceuticals
ENTA
$367M
| $694K | ﹤0.01% |
14,700
+13,400
| +1,031% | +$727K |
|
3043
PMV Pharmaceuticals
PMVP
$58.7M
| $694K | ﹤0.01% |
+48,757
| New | +$710K |
|
|
FUV
3044
CALL
DELISTED
Arcimoto, Inc. Common Stock
FUV
| $694K | ﹤0.01% |
10,615
+665
| +7% | +$52.7K |
|
3045
Airbnb
ABNB
$90.9B
| $693K | ﹤0.01% |
7,783
-10,922
| -58% | -$1.42M |
|
3046
PUT
Honda
HMC
$39.3B
| $693K | ﹤0.01% |
28,700
+13,600
| +90% | +$348K |
|
|
MAG
3047
CALL
DELISTED
MAG Silver
MAG
| $693K | ﹤0.01% |
57,000
-8,800
| -13% | -$129K |
|
3048
PUT
DigitalBridge
DBRG
$2.93B
| $692K | ﹤0.01% |
35,475
-13,300
| -27% | -$325K |
|
|
JMIA
3049
PUT
Jumia Technologies
JMIA
$741M
| $692K | ﹤0.01% |
114,300
-20,800
| -15% | -$152K |
|
3050
Amplify Alternative Harvest ETF
MJ
$98.2M
| $692K | ﹤0.01% |
9,955
-4,732
| -32% | -$438K |
|
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.