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 | |
|---|---|---|---|---|---|---|
|
RVAC
6151
CALL
DELISTED
Riverview Acquisition Corp. Class A Common Stock
RVAC
| $65K | ﹤0.01% |
+6,600
| New | +$65.4K |
|
|
AEVA
6152
PUT
Aeva Technologies
AEVA
$1.26B
| $64K | ﹤0.01% |
4,120
-1,560
| -27% | -$25.7K |
|
6153
PUT
Artisan Partners
APAM
$2.99B
| $64K | ﹤0.01% |
1,800
-8,100
| -82% | -$295K |
|
6154
PUT
Azenta
AZTA
$1.38B
| $64K | ﹤0.01% |
900
-600
| -40% | -$44.8K |
|
6155
CALL
Biomea Fusion
BMEA
$86.8M
| $64K | ﹤0.01% |
+5,400
| New | +$31.6K |
|
|
ESGR
6156
PUT
DELISTED
Enstar Group
ESGR
| $64K | ﹤0.01% |
300
| – | – |
|
|
ETNB
6157
DELISTED
89bio
ETNB
| $64K | ﹤0.01% |
20,057
+19,912
| +13,732% | +$60.1K |
|
6158
CALL
Evolent Health
EVH
$353M
| $64K | ﹤0.01% |
2,100
-6,300
| -75% | -$184K |
|
6159
CALL
Gossamer Bio
GOSS
$84.9M
| $64K | ﹤0.01% |
7,700
+2,800
| +57% | +$21.7K |
|
6160
CALL
Gray Television
GTN
$434M
| $64K | ﹤0.01% |
3,800
-334,700
| -99% | -$6.5M |
|
6161
PUT
Centrus Energy
LEU
$3.63B
| $64K | ﹤0.01% |
2,600
-1,600
| -38% | -$44.2K |
|
6162
CALL
LXP Industrial Trust
LXP
$3.56B
| $64K | ﹤0.01% |
1,200
+760
| +173% | +$45.7K |
|
6163
PUT
Mitsubishi UFJ Financial
MUFG
$254B
| $64K | ﹤0.01% |
12,000
+11,800
| +5,900% | +$68K |
|
6164
CALL
NETGEAR
NTGR
$648M
| $64K | ﹤0.01% |
3,500
+1,100
| +46% | +$22.5K |
|
6165
PUT
New York Times
NYT
$12.2B
| $64K | ﹤0.01% |
2,300
-1,600
| -41% | -$57.8K |
|
|
VERV
6166
CALL
DELISTED
Verve Therapeutics
VERV
| $64K | ﹤0.01% |
4,200
+3,800
| +950% | +$58.9K |
|
|
AAMI
6167
PUT
Acadian Asset Management
AAMI
$3.2B
| $64K | ﹤0.01% |
3,600
+3,300
| +1,100% | +$67.6K |
|
|
BCPC
6168
CALL
Balchem Corp
BCPC
$5.58B
| $64K | ﹤0.01% |
500
+100
| +25% | +$12.5K |
|
|
ROVR
6169
PUT
DELISTED
Rover Group, Inc. Class A Common Stock
ROVR
| $64K | ﹤0.01% |
17,200
+16,100
| +1,464% | +$83K |
|
|
AFMD
6170
PUT
DELISTED
Affimed
AFMD
| $63K | ﹤0.01% |
2,310
+2,030
| +725% | +$69.5K |
|
6171
CALL
Angi Inc
ANGI
$240M
| $63K | ﹤0.01% |
1,390
-20
| -1% | -$982 |
|
6172
PUT
CDW
CDW
$18.9B
| $63K | ﹤0.01% |
400
-900
| -69% | -$151K |
|
|
6173
Evolent Health
EVH
$353M
| $63K | ﹤0.01% |
2,075
-29,737
| -93% | -$867K |
|
6174
FTC Solar
FTCI
$45.6M
| $63K | ﹤0.01% |
1,755
-1,305
| -43% | -$51.7K |
|
6175
Fiverr
FVRR
$340M
| $63K | ﹤0.01% |
1,860
-29,649
| -94% | -$1.41M |
|
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.