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 | |
|---|---|---|---|---|---|---|
|
CYBR
2276
CALL
DELISTED
CyberArk
CYBR
| $1.36M | ﹤0.01% |
10,600
-19,800
| -65% | -$2.86M |
|
2277
CALL
CDW
CDW
$17.1B
| $1.35M | ﹤0.01% |
8,600
+5,400
| +169% | +$908K |
|
2278
First Majestic Silver
AG
$8.05B
| $1.35M | ﹤0.01% |
188,594
+50,872
| +37% | +$497K |
|
2279
PUT
Anavex Life Sciences
AVXL
$222M
| $1.35M | ﹤0.01% |
135,300
+64,800
| +92% | +$614K |
|
2280
CALL
Vipshop
VIPS
$6.84B
| $1.35M | ﹤0.01% |
136,900
-108,200
| -44% | -$953K |
|
2281
Hershey
HSY
$35.4B
| $1.35M | ﹤0.01% |
6,287
+4,951
| +371% | +$1.08M |
|
2282
CALL
United Microelectronic
UMC
$48.9B
| $1.35M | ﹤0.01% |
199,800
-36,800
| -16% | -$302K |
|
2283
CALL
AeroVironment
AVAV
$7.57B
| $1.35M | ﹤0.01% |
16,400
+8,300
| +102% | +$737K |
|
2284
CALL
GlobalFoundries
GFS
$29.4B
| $1.35M | ﹤0.01% |
33,400
-13,900
| -29% | -$734K |
|
|
SPNS
2285
CALL
DELISTED
Sapiens International
SPNS
| $1.35M | ﹤0.01% |
55,700
+55,600
| +55,600% | +$1.34M |
|
2286
CALL
LivePerson
LPSN
$18.9M
| $1.35M | ﹤0.01% |
6,347
+2,540
| +67% | +$714K |
|
2287
CALL
Texas Roadhouse
TXRH
$12.7B
| $1.35M | ﹤0.01% |
18,400
-30,700
| -63% | -$2.41M |
|
2288
PUT
Universal Display
OLED
$3.71B
| $1.34M | ﹤0.01% |
13,300
-5,100
| -28% | -$656K |
|
2289
PUT
Fomento Económico Mexicano
FMX
$43.3B
| $1.34M | ﹤0.01% |
+19,900
| New | +$1.47M |
|
2290
iRhythm Holdings
IRTC
$3.59B
| $1.34M | ﹤0.01% |
+12,438
| New | +$1.65M |
|
2291
PUT
United Natural Foods
UNFI
$3.01B
| $1.34M | ﹤0.01% |
34,100
+11,500
| +51% | +$483K |
|
|
2292
Texas Roadhouse
TXRH
$12.7B
| $1.34M | ﹤0.01% |
+18,311
| New | +$1.44M |
|
2293
CALL
Transmedics
TMDX
$2.5B
| $1.34M | ﹤0.01% |
42,600
+40,400
| +1,836% | +$1.08M |
|
|
HCP
2294
CALL
DELISTED
HashiCorp, Inc. Class A Common Stock
HCP
| $1.34M | ﹤0.01% |
45,500
+39,800
| +698% | +$1.61M |
|
2295
CALL
EPR Properties
EPR
$4.86B
| $1.34M | ﹤0.01% |
28,500
-9,800
| -26% | -$497K |
|
2296
CALL
Nano X Imaging
NNOX
$62.4M
| $1.34M | ﹤0.01% |
118,400
+3,600
| +3% | +$37.4K |
|
2297
PUT
Orion
OEC
$394M
| $1.34M | ﹤0.01% |
86,100
+3,900
| +5% | +$65.3K |
|
2298
PUT
InMode
INMD
$872M
| $1.33M | ﹤0.01% |
59,600
-50,900
| -46% | -$1.34M |
|
|
TELL
2299
DELISTED
Tellurian Inc.
TELL
| $1.33M | ﹤0.01% |
448,299
+11,049
| +3% | +$51.1K |
|
|
CEQP
2300
CALL
DELISTED
Crestwood Equity Partners LP
CEQP
| $1.33M | ﹤0.01% |
55,400
-26,400
| -32% | -$759K |
|
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.