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 | |
|---|---|---|---|---|---|---|
2226
PUT
Teradyne
TER
$54.8B
| $1.42M | ﹤0.01% |
15,900
-7,600
| -32% | -$791K |
|
2227
CALL
Manhattan Associates
MANH
$8.97B
| $1.42M | ﹤0.01% |
12,400
+4,200
| +51% | +$523K |
|
2228
PUT
Helmerich & Payne
HP
$3.53B
| $1.42M | ﹤0.01% |
33,000
-25,800
| -44% | -$1.2M |
|
2229
CALL
Exelixis
EXEL
$13.9B
| $1.42M | ﹤0.01% |
68,200
-4,300
| -6% | -$88.6K |
|
2230
PUT
AngloGold Ashanti
AU
$40.3B
| $1.42M | ﹤0.01% |
95,900
-36,200
| -27% | -$687K |
|
|
TELL
2231
PUT
DELISTED
Tellurian Inc.
TELL
| $1.42M | ﹤0.01% |
475,800
-9,100
| -2% | -$42K |
|
2232
PUT
Omega Healthcare
OHI
$15.4B
| $1.42M | ﹤0.01% |
50,200
-2,000
| -4% | -$56.9K |
|
2233
CALL
Vishay Intertechnology
VSH
$5.86B
| $1.41M | ﹤0.01% |
79,200
+74,000
| +1,423% | +$1.41M |
|
2234
CALL
Infosys
INFY
$45B
| $1.41M | ﹤0.01% |
76,200
-18,100
| -19% | -$360K |
|
|
DCPH
2235
CALL
DELISTED
Deciphera Pharmaceuticals, Inc. Common Stock
DCPH
| $1.41M | ﹤0.01% |
107,200
+18,200
| +20% | +$201K |
|
2236
CALL
MarketAxess Holdings
MKTX
$4.15B
| $1.41M | ﹤0.01% |
5,500
+3,700
| +206% | +$1.01M |
|
2237
CALL
Teradata
TDC
$2.68B
| $1.41M | ﹤0.01% |
38,000
-65,800
| -63% | -$2.63M |
|
2238
CALL
H&R Block
HRB
$5.18B
| $1.41M | ﹤0.01% |
39,800
+26,000
| +188% | +$803K |
|
|
ITCI
2239
CALL
DELISTED
Intra-Cellular Therapies Inc.
ITCI
| $1.4M | ﹤0.01% |
24,600
-30,000
| -55% | -$1.7M |
|
|
BAND
2240
CALL
Bandwidth Inc
BAND
$1.91B
| $1.4M | ﹤0.01% |
74,600
-2,400
| -3% | -$55.5K |
|
|
DM
2241
CALL
DELISTED
Desktop Metal, Inc.
DM
| $1.4M | ﹤0.01% |
63,740
+62,180
| +3,986% | +$1.82M |
|
2242
PUT
NOV
NOV
$7.45B
| $1.4M | ﹤0.01% |
82,800
+37,900
| +84% | +$713K |
|
2243
CALL
FuboTV Inc
FUBO
$245M
| $1.4M | ﹤0.01% |
47,225
-34,958
| -43% | -$1.63M |
|
|
TCDA
2244
PUT
DELISTED
Tricida, Inc. Common Stock
TCDA
| $1.4M | ﹤0.01% |
144,400
+4,400
| +3% | +$41.9K |
|
2245
CALL
indie Semiconductor
INDI
$733M
| $1.4M | ﹤0.01% |
245,000
-106,100
| -30% | -$731K |
|
|
ALTR
2246
CALL
DELISTED
Altair Engineering Inc
ALTR
| $1.4M | ﹤0.01% |
26,600
+26,500
| +26,500% | +$1.45M |
|
2247
Plug Power
PLUG
$2.92B
| $1.4M | ﹤0.01% |
84,190
-415,415
| -83% | -$8.24M |
|
2248
PUT
DTE Energy
DTE
$31.1B
| $1.39M | ﹤0.01% |
11,000
+8,500
| +340% | +$1.11M |
|
|
AVLR
2249
CALL
DELISTED
Avalara, Inc.
AVLR
| $1.39M | ﹤0.01% |
19,700
+13,500
| +218% | +$1.11M |
|
|
HEP
2250
CALL
DELISTED
Holly Energy Partners, L.P.
HEP
| $1.39M | ﹤0.01% |
86,700
+63,700
| +277% | +$1.14M |
|
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.