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 | |
|---|---|---|---|---|---|---|
1351
Regeneron Pharmaceuticals
REGN
$68.8B
| $3.63M | ﹤0.01% |
6,133
+794
| +15% | +$516K |
|
1352
Lennar Class A
LEN
$20.4B
| $3.62M | ﹤0.01% |
53,034
-11,919
| -18% | -$873K |
|
1353
Lowe's Companies
LOW
$116B
| $3.62M | ﹤0.01% |
+20,745
| New | +$4M |
|
1354
CALL
Travelers Companies
TRV
$80.8B
| $3.62M | ﹤0.01% |
21,400
-2,600
| -11% | -$452K |
|
1355
PUT
Riot Platforms
RIOT
$8.52B
| $3.61M | ﹤0.01% |
861,500
+378,100
| +78% | +$3.51M |
|
|
VTNR
1356
PUT
DELISTED
Vertex Energy, Inc
VTNR
| $3.6M | ﹤0.01% |
342,700
+239,800
| +233% | +$2.84M |
|
1357
Cencora
COR
$60.3B
| $3.6M | ﹤0.01% |
25,474
+17,116
| +205% | +$2.62M |
|
1358
CALL
FIVE9
FIVN
$1.77B
| $3.6M | ﹤0.01% |
39,500
-45,700
| -54% | -$4.62M |
|
1359
PUT
J.M. Smucker
SJM
$12.6B
| $3.6M | ﹤0.01% |
28,100
+18,300
| +187% | +$2.44M |
|
1360
CALL
Avantor
AVTR
$7.81B
| $3.59M | ﹤0.01% |
115,400
+38,500
| +50% | +$1.2M |
|
|
PDCE
1361
CALL
DELISTED
PDC Energy, Inc.
PDCE
| $3.58M | ﹤0.01% |
58,200
+48,400
| +494% | +$3.51M |
|
1362
CALL
Nutanix
NTNX
$14.9B
| $3.58M | ﹤0.01% |
244,500
+130,400
| +114% | +$2.72M |
|
1363
PUT
Dillards
DDS
$8.87B
| $3.57M | ﹤0.01% |
16,200
+5,500
| +51% | +$1.59M |
|
|
SAVE
1364
CALL
DELISTED
Spirit Airlines, Inc.
SAVE
| $3.57M | ﹤0.01% |
149,900
+48,800
| +48% | +$1.08M |
|
1365
PUT
Euronet Worldwide
EEFT
$3.02B
| $3.57M | ﹤0.01% |
35,500
-2,300
| -6% | -$272K |
|
1366
CALL
Royal Gold
RGLD
$17.1B
| $3.57M | ﹤0.01% |
33,400
+2,800
| +9% | +$346K |
|
1367
uniQure
QURE
$2.68B
| $3.56M | ﹤0.01% |
190,841
+173,862
| +1,024% | +$2.77M |
|
1368
PUT
CRISPR Therapeutics
CRSP
$4.58B
| $3.56M | ﹤0.01% |
58,500
-15,000
| -20% | -$882K |
|
|
VRAY
1369
PUT
DELISTED
ViewRay, Inc.
VRAY
| $3.55M | ﹤0.01% |
1,340,200
+1,231,100
| +1,128% | +$3.7M |
|
1370
CALL
Dave & Buster's
PLAY
$343M
| $3.53M | ﹤0.01% |
107,800
-49,600
| -32% | -$1.99M |
|
|
QLTB
1371
PUT
DELISTED
ISHARES BAA BA RATED CORP BOND FUND
QLTB
| $3.53M | ﹤0.01% |
31,800
+15,500
| +95% | +$1.72M |
|
1372
PUT
ICICI Bank
IBN
$106B
| $3.51M | ﹤0.01% |
198,000
-56,200
| -22% | -$1.05M |
|
1373
PUT
FerroAtlántica
GSM
$628M
| $3.51M | ﹤0.01% |
591,100
+201,800
| +52% | +$1.42M |
|
1374
CALL
Xcel Energy
XEL
$51B
| $3.51M | ﹤0.01% |
49,600
-6,100
| -11% | -$444K |
|
1375
Tower Semiconductor
TSEM
$26.4B
| $3.5M | ﹤0.01% |
75,849
+12,390
| +20% | +$590K |
|
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.