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 | |
|---|---|---|---|---|---|---|
2976
CALL
Carpenter Technology
CRS
$27.8B
| $734K | ﹤0.01% |
26,300
+23,400
| +807% | +$832K |
|
2977
PUT
Polaris
PII
$4.07B
| $734K | ﹤0.01% |
7,400
-22,600
| -75% | -$2.34M |
|
2978
CALL
GrowGeneration
GRWG
$88.3M
| $733K | ﹤0.01% |
204,400
-148,500
| -42% | -$846K |
|
2979
Hudbay
HBM
$9.67B
| $732K | ﹤0.01% |
179,592
+46,603
| +35% | +$278K |
|
2980
CALL
Brinker International
EAT
$8.5B
| $731K | ﹤0.01% |
33,200
-19,200
| -37% | -$607K |
|
|
VRN
2981
DELISTED
Veren
VRN
| $730K | ﹤0.01% |
102,597
+67,702
| +194% | +$531K |
|
|
EMBJ
2982
CALL
Embraer S.A. ADS
EMBJ
$12.3B
| $729K | ﹤0.01% |
83,100
-69,800
| -46% | -$747K |
|
2983
CALL
GoodRx Holdings
GDRX
$1.06B
| $729K | ﹤0.01% |
123,300
-54,900
| -31% | -$611K |
|
2984
CALL
Invitation Homes
INVH
$17.9B
| $729K | ﹤0.01% |
20,500
-29,000
| -59% | -$1.11M |
|
2985
CALL
Cambria Tail Risk ETF
TAIL
$149M
| $729K | ﹤0.01% |
42,100
+41,200
| +4,578% | +$698K |
|
2986
CALL
Ambev
ABEV
$48.4B
| $726K | ﹤0.01% |
289,600
-114,400
| -28% | -$326K |
|
|
CALY
2987
PUT
Callaway Golf Company
CALY
$3.28B
| $726K | ﹤0.01% |
35,600
-37,700
| -51% | -$811K |
|
|
PLYA
2988
CALL
DELISTED
Playa Hotels & Resorts
PLYA
| $725K | ﹤0.01% |
105,600
-9,500
| -8% | -$78.9K |
|
2989
Xerox
XRX
$360M
| $725K | ﹤0.01% |
+48,879
| New | +$866K |
|
|
SWN
2990
PUT
DELISTED
Southwestern Energy Company
SWN
| $725K | ﹤0.01% |
116,100
-17,800
| -13% | -$138K |
|
2991
PUT
PubMatic
PUBM
$605M
| $724K | ﹤0.01% |
45,600
-10,600
| -19% | -$227K |
|
2992
CALL
Bausch + Lomb
BLCO
$5.92B
| $723K | ﹤0.01% |
+47,500
| New | +$770K |
|
2993
CALL
Cheesecake Factory
CAKE
$4.42B
| $723K | ﹤0.01% |
27,400
-6,400
| -19% | -$213K |
|
2994
CALL
Orion
OEC
$400M
| $722K | ﹤0.01% |
46,500
-18,800
| -29% | -$315K |
|
|
POSH
2995
CALL
DELISTED
Poshmark, Inc. Class A Common Stock
POSH
| $722K | ﹤0.01% |
71,500
-8,100
| -10% | -$93.4K |
|
2996
Danaos Corp
DAC
$2.56B
| $720K | ﹤0.01% |
11,418
-29,290
| -72% | -$2.35M |
|
2997
PUT
Enovix
ENVX
$866M
| $720K | ﹤0.01% |
92,457
+1,600
| +2% | +$15.1K |
|
2998
CALL
Viper Energy
VNOM
$8.21B
| $720K | ﹤0.01% |
27,000
+3,100
| +13% | +$94.2K |
|
2999
CALL
Magnachip Semiconductor
MX
$118M
| $719K | ﹤0.01% |
49,500
+19,700
| +66% | +$339K |
|
|
PBT
3000
CALL
Permian Basin Royalty Trust
PBT
$1.31B
| $719K | ﹤0.01% |
43,500
+900
| +2% | +$14K |
|
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.