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 | |
|---|---|---|---|---|---|---|
1301
Domino's
DPZ
$11B
| $3.88M | ﹤0.01% |
+9,951
| New | +$3.68M |
|
1302
Vermilion Energy
VET
$1.73B
| $3.87M | ﹤0.01% |
202,918
+29,286
| +17% | +$610K |
|
|
REV
1303
PUT
DELISTED
Revlon, Inc.
REV
| $3.86M | ﹤0.01% |
712,900
+698,900
| +4,992% | +$3.83M |
|
|
COUP
1304
CALL
DELISTED
Coupa Software Incorporated
COUP
| $3.85M | ﹤0.01% |
67,500
-59,000
| -47% | -$4.55M |
|
1305
PUT
Ally Financial
ALLY
$13.1B
| $3.85M | ﹤0.01% |
115,000
+2,500
| +2% | +$99.9K |
|
|
NOVA
1306
CALL
DELISTED
Sunnova Energy
NOVA
| $3.85M | ﹤0.01% |
209,100
+133,100
| +175% | +$2.55M |
|
1307
CALL
Kimbell Royalty Partners
KRP
$1.47B
| $3.85M | ﹤0.01% |
245,600
+51,500
| +27% | +$896K |
|
1308
iShares MSCI Brazil ETF
EWZ
$9.05B
| $3.83M | ﹤0.01% |
+139,904
| New | +$4.63M |
|
1309
PUT
Middleby
MIDD
$6.05B
| $3.82M | ﹤0.01% |
30,500
+7,400
| +32% | +$1.07M |
|
1310
Novavax
NVAX
$1.23B
| $3.82M | ﹤0.01% |
74,329
-10,949
| -13% | -$567K |
|
1311
PUT
L3Harris
LHX
$55.9B
| $3.82M | ﹤0.01% |
15,800
-10,700
| -40% | -$2.58M |
|
1312
CALL
Matador Resources
MTDR
$6.31B
| $3.81M | ﹤0.01% |
81,800
+25,900
| +46% | +$1.41M |
|
1313
CALL
Rocket Companies
RKT
$36.9B
| $3.81M | ﹤0.01% |
517,900
+110,700
| +27% | +$956K |
|
1314
CALL
QuantumScape Corp
QS
$3B
| $3.8M | ﹤0.01% |
442,200
-319,100
| -42% | -$4.26M |
|
1315
CALL
Opendoor
OPEN
$3.69B
| $3.8M | ﹤0.01% |
832,970
-363,733
| -30% | -$2.4M |
|
1316
PUT
ScottsMiracle-Gro
SMG
$4.03B
| $3.79M | ﹤0.01% |
48,000
+14,400
| +43% | +$1.42M |
|
1317
PUT
PBF Energy
PBF
$7.29B
| $3.79M | ﹤0.01% |
130,500
-15,600
| -11% | -$488K |
|
1318
PUT
Rockwell Automation
ROK
$51.4B
| $3.79M | ﹤0.01% |
19,000
-6,100
| -24% | -$1.38M |
|
1319
Suncor Energy
SU
$77.7B
| $3.79M | ﹤0.01% |
107,934
+52,856
| +96% | +$1.92M |
|
1320
CALL
Digital Realty Trust
DLR
$73.7B
| $3.78M | ﹤0.01% |
29,100
+7,800
| +37% | +$1.08M |
|
|
EDR
1321
PUT
DELISTED
Endeavor Group Holdings, Inc.
EDR
| $3.78M | ﹤0.01% |
183,700
+178,700
| +3,574% | +$4.05M |
|
1322
PUT
Knight Transportation
KNX
$11.8B
| $3.76M | ﹤0.01% |
81,300
+78,600
| +2,911% | +$3.72M |
|
|
CGC
1323
CALL
Canopy Growth
CGC
$375M
| $3.76M | ﹤0.01% |
131,970
+79,680
| +152% | +$4.14M |
|
1324
PUT
Invesco DB US Dollar Index Bullish Fund
UUP
$434M
| $3.75M | ﹤0.01% |
134,400
+57,800
| +75% | +$1.58M |
|
1325
PUT
Enbridge
ENB
$124B
| $3.73M | ﹤0.01% |
88,400
-49,800
| -36% | -$2.22M |
|
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.