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 | |
|---|---|---|---|---|---|---|
|
AMWD
4226
CALL
DELISTED
American Woodmark
AMWD
| $270K | ﹤0.01% |
6,000
+600
| +11% | +$29K |
|
4227
CALL
Highwoods Properties
HIW
$3.79B
| $270K | ﹤0.01% |
7,900
+5,000
| +172% | +$197K |
|
4228
CALL
Veritone
VERI
$92.9M
| $270K | ﹤0.01% |
41,400
-3,400
| -8% | -$34.3K |
|
|
TRVN
4229
CALL
DELISTED
Trevena, Inc.
TRVN
| $270K | ﹤0.01% |
1,046
+324
| +45% | +$71.3K |
|
|
EQRX
4230
PUT
DELISTED
EQRx, Inc. Common Stock
EQRX
| $270K | ﹤0.01% |
57,700
+56,700
| +5,670% | +$256K |
|
|
NTUS
4231
DELISTED
Natus Medical Inc
NTUS
| $270K | ﹤0.01% |
+8,259
| New | +$261K |
|
|
AVEO
4232
CALL
DELISTED
AVEO Pharmaceuticals, Inc.
AVEO
| $270K | ﹤0.01% |
41,200
-3,600
| -8% | -$17.4K |
|
4233
PUT
Black Hills Corp
BKH
$5.55B
| $269K | ﹤0.01% |
3,700
+800
| +28% | +$60.1K |
|
4234
CALL
Dyadic International
DYAI
$38.6M
| $269K | ﹤0.01% |
88,400
-151,000
| -63% | -$373K |
|
4235
PUT
PLAYSTUDIOS Inc
MYPS
$76.2M
| $269K | ﹤0.01% |
62,900
+50,800
| +420% | +$276K |
|
4236
PUT
Scholastic
SCHL
$774M
| $269K | ﹤0.01% |
7,500
+7,400
| +7,400% | +$273K |
|
4237
CALL
Kimco Realty
KIM
$17.5B
| $268K | ﹤0.01% |
13,600
+4,100
| +43% | +$94.2K |
|
4238
ProShares Ultra QQQ
QLD
$11.7B
| $268K | ﹤0.01% |
+12,954
| New | +$338K |
|
4239
PUT
Senseonics Holdings Inc
SENS
$254M
| $268K | ﹤0.01% |
13,015
-19,920
| -60% | -$519K |
|
4240
PUT
Brookdale Senior Living
BKD
$3.55B
| $267K | ﹤0.01% |
59,000
+6,300
| +12% | +$37.2K |
|
4241
CALL
Babcock & Wilcox
BW
$1.18B
| $267K | ﹤0.01% |
44,400
-126,700
| -74% | -$887K |
|
4242
CALL
Evergy
EVRG
$19.4B
| $267K | ﹤0.01% |
4,100
-8,500
| -67% | -$576K |
|
|
GPMT
4243
CALL
Granite Point Mortgage Trust
GPMT
$63.7M
| $267K | ﹤0.01% |
28,000
-7,600
| -21% | -$77.7K |
|
4244
iShares US Regional Banks ETF
IAT
$673M
| $267K | ﹤0.01% |
5,428
+5,364
| +8,381% | +$286K |
|
4245
Sun Communities
SUI
$15.8B
| $267K | ﹤0.01% |
+1,680
| New | +$282K |
|
4246
PUT
Atkore
ATKR
$2.41B
| $265K | ﹤0.01% |
3,200
-7,600
| -70% | -$755K |
|
4247
CALL
International Seaways
INSW
$4.68B
| $265K | ﹤0.01% |
12,500
-8,400
| -40% | -$184K |
|
|
PMT
4248
CALL
PennyMac Mortgage Investment
PMT
$845M
| $265K | ﹤0.01% |
19,200
+2,500
| +15% | +$38.2K |
|
4249
CALL
ProPetro Holding
PUMP
$1.25B
| $265K | ﹤0.01% |
26,500
+23,400
| +755% | +$308K |
|
4250
Hyliion Holdings
HYLN
$578M
| $264K | ﹤0.01% |
82,065
+27,471
| +50% | +$96.3K |
|
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.