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 | |
|---|---|---|---|---|---|---|
6176
PUT
Galectin Therapeutics
GALT
$200M
| $63K | ﹤0.01% |
48,700
+31,800
| +188% | +$45.7K |
|
6177
PUT
American Express Global Business Travel
GBTG
$4.93B
| $63K | ﹤0.01% |
10,000
+7,400
| +285% | +$64.9K |
|
6178
CALL
Korn Ferry
KFY
$4.21B
| $63K | ﹤0.01% |
1,100
+900
| +450% | +$54.7K |
|
6179
CALL
Mercer International
MERC
$44.8M
| $63K | ﹤0.01% |
4,800
+4,400
| +1,100% | +$65.1K |
|
6180
CALL
Radiant Logistics
RLGT
$393M
| $63K | ﹤0.01% |
8,500
-4,800
| -36% | -$30.9K |
|
6181
CALL
Shutterstock
SSTK
$223M
| $63K | ﹤0.01% |
1,100
-16,300
| -94% | -$1.09M |
|
|
TSVT
6182
DELISTED
2seventy bio
TSVT
| $63K | ﹤0.01% |
+4,796
| New | +$65.3K |
|
6183
Viper Energy
VNOM
$8.53B
| $63K | ﹤0.01% |
2,384
-19,278
| -89% | -$586K |
|
|
YSG
6184
CALL
Yatsen Holding
YSG
$307M
| $63K | ﹤0.01% |
8,200
+4,360
| +114% | +$14.8K |
|
|
MMAT
6185
PUT
DELISTED
Meta Materials Inc. Common Stock
MMAT
| $63K | ﹤0.01% |
619
+79
| +15% | +$11.8K |
|
|
UMPQ
6186
PUT
DELISTED
Umpqua Holdings Corp
UMPQ
| $63K | ﹤0.01% |
3,800
+3,100
| +443% | +$53.8K |
|
|
ECOM
6187
DELISTED
CHANNELADVISOR CORPORATION
ECOM
| $63K | ﹤0.01% |
4,326
-11,219
| -72% | -$160K |
|
6188
PUT
Alphatec Holdings
ATEC
$1.56B
| $62K | ﹤0.01% |
9,600
+600
| +7% | +$5.53K |
|
6189
BARK
BARK
$88.8M
| $62K | ﹤0.01% |
2,448
-2,314
| -49% | -$117K |
|
|
CIVI
6190
PUT
DELISTED
Civitas Resources
CIVI
| $62K | ﹤0.01% |
1,200
-500
| -29% | -$32.6K |
|
6191
PUT
Cooper Companies
COO
$14.5B
| $62K | ﹤0.01% |
800
-55,200
| -99% | -$4.88M |
|
6192
CALL
Hancock Whitney
HWC
$6.26B
| $62K | ﹤0.01% |
1,400
+900
| +180% | +$42.8K |
|
6193
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.17B
| $62K | ﹤0.01% |
2,452
-162
| -6% | -$4.24K |
|
6194
CALL
IAMGOLD
IAG
$8.53B
| $62K | ﹤0.01% |
38,600
-22,300
| -37% | -$56.1K |
|
|
KW
6195
CALL
DELISTED
Kennedy-Wilson Holdings
KW
| $62K | ﹤0.01% |
3,300
+2,700
| +450% | +$58K |
|
|
NVVE
6196
PUT
DELISTED
Nuvve Holding Corp
NVVE
| – | – |
0
| – | – |
|
|
ACH
6197
PUT
Accendra Health
ACH
$261M
| $62K | ﹤0.01% |
2,000
+1,200
| +150% | +$43.5K |
|
6198
CALL
RPM International
RPM
$14.2B
| $62K | ﹤0.01% |
800
-11,500
| -93% | -$966K |
|
6199
Silgan Holdings
SLGN
$4.37B
| $62K | ﹤0.01% |
1,517
+267
| +21% | +$11.7K |
|
6200
Sasol
SSL
$7.21B
| $62K | ﹤0.01% |
2,692
-7,880
| -75% | -$194K |
|
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.