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 | |
|---|---|---|---|---|---|---|
|
PING
1826
CALL
DELISTED
Ping Identity Holding Corp.
PING
| $2.08M | ﹤0.01% |
114,400
+50,500
| +79% | +$1.12M |
|
|
SAVE
1827
PUT
DELISTED
Spirit Airlines, Inc.
SAVE
| $2.07M | ﹤0.01% |
86,900
-36,700
| -30% | -$814K |
|
1828
CALL
NetApp
NTAP
$32.9B
| $2.07M | ﹤0.01% |
31,700
+4,200
| +15% | +$302K |
|
1829
CALL
FTAI Aviation
FTAI
$22.2B
| $2.07M | ﹤0.01% |
125,180
-80,448
| -39% | -$1.43M |
|
1830
Sabre
SABR
$656M
| $2.06M | ﹤0.01% |
+354,252
| New | +$2.96M |
|
1831
PUT
Lithia Motors
LAD
$7.78B
| $2.06M | ﹤0.01% |
7,500
-10,000
| -57% | -$2.92M |
|
1832
Adobe
ADBE
$89.5B
| $2.06M | ﹤0.01% |
+5,628
| New | +$2.29M |
|
1833
PUT
iShares S&P GSCI Commodity-Indexed Trust
GSG
$1.02B
| $2.06M | ﹤0.01% |
89,100
-1,000
| -1% | -$24.2K |
|
1834
CALL
Aptiv
APTV
$12B
| $2.06M | ﹤0.01% |
23,100
-26,700
| -54% | -$2.72M |
|
|
SPWR
1835
PUT
DELISTED
SunPower Corporation Common Stock
SPWR
| $2.06M | ﹤0.01% |
130,100
-92,000
| -41% | -$1.66M |
|
1836
CALL
Pentair
PNR
$10.2B
| $2.06M | ﹤0.01% |
44,900
+39,100
| +674% | +$1.96M |
|
1837
PUT
ARS Pharmaceuticals
SPRY
$590M
| $2.06M | ﹤0.01% |
484,800
+483,800
| +48,380% | +$1.69M |
|
1838
PUT
Roper Technologies
ROP
$36.3B
| $2.05M | ﹤0.01% |
5,200
+4,300
| +478% | +$1.87M |
|
|
FTCH
1839
PUT
DELISTED
Farfetch Limited Class A Ordinary Shares
FTCH
| $2.05M | ﹤0.01% |
286,500
-18,500
| -6% | -$189K |
|
1840
PUT
Innovative Industrial Properties
IIPR
$1.78B
| $2.04M | ﹤0.01% |
18,600
+17,400
| +1,450% | +$2.47M |
|
|
RWT
1841
CALL
Redwood Trust
RWT
$616M
| $2.04M | ﹤0.01% |
265,000
+232,700
| +720% | +$2.14M |
|
|
LOGC
1842
CALL
DELISTED
ContextLogic
LOGC
| $2.04M | ﹤0.01% |
42,567
+304
| +0.7% | +$16.5K |
|
|
RDBX
1843
CALL
DELISTED
Redbox Entertainment Inc. Class A Common Stock
RDBX
| $2.04M | ﹤0.01% |
+275,900
| New | +$1.63M |
|
|
CDR
1844
PUT
DELISTED
Cedar Realty Trust, Inc
CDR
| $2.04M | ﹤0.01% |
70,800
+53,200
| +302% | +$1.45M |
|
1845
PUT
AbCellera Biologics
ABCL
$1.62B
| $2.04M | ﹤0.01% |
191,200
+61,300
| +47% | +$519K |
|
1846
State Street Materials Select Sector SPDR ETF
XLB
$8.51B
| $2.04M | ﹤0.01% |
+55,306
| New | +$2.31M |
|
|
FRC
1847
PUT
DELISTED
First Republic Bank
FRC
| $2.03M | ﹤0.01% |
14,100
-10,100
| -42% | -$1.51M |
|
1848
Illumina
ILMN
$29.4B
| $2.03M | ﹤0.01% |
+11,329
| New | +$2.89M |
|
1849
Baker Hughes
BKR
$56.8B
| $2.03M | ﹤0.01% |
70,283
-44,572
| -39% | -$1.51M |
|
1850
PUT
Alaska Air
ALK
$5.15B
| $2.03M | ﹤0.01% |
50,600
-55,700
| -52% | -$2.72M |
|
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.