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 | |
|---|---|---|---|---|---|---|
1951
PUT
SM Energy
SM
$7.96B
| $1.87M | ﹤0.01% |
54,700
+23,500
| +75% | +$955K |
|
1952
CALL
New Fortress Energy
NFE
$101M
| $1.87M | ﹤0.01% |
47,200
+33,700
| +250% | +$1.45M |
|
1953
CALL
Designer Brands
DBI
$277M
| $1.86M | ﹤0.01% |
142,700
+92,800
| +186% | +$1.34M |
|
|
MTTR
1954
CALL
DELISTED
Matterport, Inc. Class A Common Stock
MTTR
| $1.86M | ﹤0.01% |
508,100
-13,700
| -3% | -$74.8K |
|
|
IAA
1955
PUT
DELISTED
IAA, Inc. Common Stock
IAA
| $1.86M | ﹤0.01% |
56,700
-31,800
| -36% | -$1.16M |
|
1956
Asana
ASAN
$1.58B
| $1.86M | ﹤0.01% |
105,680
+43,348
| +70% | +$1.09M |
|
1957
CALL
Artisan Partners
APAM
$2.79B
| $1.86M | ﹤0.01% |
52,200
+2,300
| +5% | +$83.7K |
|
1958
CALL
W.P. Carey
WPC
$17.1B
| $1.86M | ﹤0.01% |
22,870
-1,021
| -4% | -$82.4K |
|
1959
CALL
Procore
PCOR
$6.46B
| $1.85M | ﹤0.01% |
40,800
+39,300
| +2,620% | +$1.93M |
|
|
NVO
1960
PUT
Novo Nordisk
NVO
$216B
| $1.85M | ﹤0.01% |
33,200
-46,200
| -58% | -$2.56M |
|
1961
CALL
MPLX
MPLX
$59.5B
| $1.84M | ﹤0.01% |
63,100
+3,200
| +5% | +$102K |
|
1962
State Street Real Estate Select Sector SPDR ETF
XLRE
$8.69B
| $1.84M | ﹤0.01% |
45,009
+10,759
| +31% | +$480K |
|
1963
CALL
Joby Aviation
JOBY
$6.82B
| $1.84M | ﹤0.01% |
374,400
+38,000
| +11% | +$200K |
|
1964
Sibanye-Stillwater
SBSW
$5.92B
| $1.84M | ﹤0.01% |
184,159
+61,591
| +50% | +$805K |
|
1965
CALL
NovoCure
NVCR
$2.04B
| $1.83M | ﹤0.01% |
26,300
-21,300
| -45% | -$1.6M |
|
1966
CALL
Moody's
MCO
$81.7B
| $1.82M | ﹤0.01% |
6,700
+5,400
| +415% | +$1.62M |
|
|
BNY
1967
Bank of New York Mellon
BNY
$108B
| $1.82M | ﹤0.01% |
43,639
-45,514
| -51% | -$2.03M |
|
1968
CALL
Melco Resorts & Entertainment
MLCO
$2.1B
| $1.82M | ﹤0.01% |
316,200
+131,800
| +71% | +$773K |
|
1969
CALL
BorgWarner
BWA
$13.2B
| $1.81M | ﹤0.01% |
61,798
+22,492
| +57% | +$741K |
|
1970
CALL
Fastenal
FAST
$54B
| $1.81M | ﹤0.01% |
72,600
+35,200
| +94% | +$949K |
|
1971
PUT
Gold Fields
GFI
$29.2B
| $1.81M | ﹤0.01% |
198,600
+186,000
| +1,476% | +$2.22M |
|
1972
CALL
WIX.com
WIX
$2.15B
| $1.81M | ﹤0.01% |
27,600
+3,600
| +15% | +$264K |
|
1973
PUT
BlackBerry
BB
$5.01B
| $1.81M | ﹤0.01% |
335,400
-95,700
| -22% | -$568K |
|
1974
BioNTech
BNTX
$22.6B
| $1.81M | ﹤0.01% |
12,113
-9,652
| -44% | -$1.47M |
|
1975
PUT
Delek Logistics
DKL
$3.04B
| $1.81M | ﹤0.01% |
37,100
+23,200
| +167% | +$1.17M |
|
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.