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 | |
|---|---|---|---|---|---|---|
1501
CALL
Appian
APPN
$1.74B
| $3M | ﹤0.01% |
63,300
+35,300
| +126% | +$1.77M |
|
1502
CALL
Leggett & Platt
LEG
$1.52B
| $2.99M | ﹤0.01% |
86,600
+52,300
| +152% | +$1.92M |
|
1503
Cintas
CTAS
$82.4B
| $2.99M | ﹤0.01% |
32,040
+10,308
| +47% | +$1M |
|
1504
PUT
Rocket Companies
RKT
$36.9B
| $2.99M | ﹤0.01% |
406,200
-155,700
| -28% | -$1.34M |
|
1505
CALL
Nu Holdings
NU
$68.1B
| $2.98M | ﹤0.01% |
798,000
+204,800
| +35% | +$1.04M |
|
1506
Duke Energy
DUK
$102B
| $2.98M | ﹤0.01% |
+27,808
| New | +$3.06M |
|
1507
Prudential Financial
PRU
$41.7B
| $2.98M | ﹤0.01% |
+31,136
| New | +$3.3M |
|
1508
CALL
JB Hunt Transport Services
JBHT
$27.1B
| $2.98M | ﹤0.01% |
18,900
+14,000
| +286% | +$2.37M |
|
|
CMA
1509
PUT
DELISTED
Comerica
CMA
| $2.97M | ﹤0.01% |
40,500
-7,900
| -16% | -$638K |
|
1510
PUT
ProShares Ultra S&P500
SSO
$7.82B
| $2.96M | ﹤0.01% |
148,000
+6,800
| +5% | +$182K |
|
1511
PUT
Tilray
TLRY
$479M
| $2.96M | ﹤0.01% |
94,750
-25,520
| -21% | -$1.21M |
|
|
TBCH
1512
CALL
Turtle Beach Corp
TBCH
$239M
| $2.95M | ﹤0.01% |
241,300
+78,600
| +48% | +$1.34M |
|
|
OSH
1513
PUT
DELISTED
Oak Street Health, Inc.
OSH
| $2.95M | ﹤0.01% |
179,500
-12,400
| -6% | -$241K |
|
|
TEN
1514
PUT
DELISTED
Tenneco Inc. Class A Voting Common Stock
TEN
| $2.94M | ﹤0.01% |
171,500
+47,100
| +38% | +$795K |
|
|
BIG
1515
CALL
DELISTED
Big Lots, Inc.
BIG
| $2.94M | ﹤0.01% |
140,000
+42,000
| +43% | +$1.24M |
|
1516
CALL
Alnylam Pharmaceuticals
ALNY
$36.3B
| $2.93M | ﹤0.01% |
20,100
-11,200
| -36% | -$1.59M |
|
|
FRC
1517
CALL
DELISTED
First Republic Bank
FRC
| $2.93M | ﹤0.01% |
20,300
+18,900
| +1,350% | +$2.83M |
|
1518
PUT
Cognizant
CTSH
$21.5B
| $2.92M | ﹤0.01% |
43,300
+28,100
| +185% | +$2.15M |
|
1519
PUT
Ormat Technologies
ORA
$6.11B
| $2.92M | ﹤0.01% |
37,300
+36,400
| +4,044% | +$2.87M |
|
1520
PUT
Crocs
CROX
$6.69B
| $2.92M | ﹤0.01% |
60,000
-27,200
| -31% | -$1.65M |
|
1521
CALL
Oneok
OKE
$58.7B
| $2.92M | ﹤0.01% |
52,600
-8,300
| -14% | -$538K |
|
1522
CALL
Monolithic Power Systems
MPWR
$65.5B
| $2.92M | ﹤0.01% |
7,600
-3,500
| -32% | -$1.48M |
|
|
TTM.RT
1523
PUT
DELISTED
TATA MOTORS LIMITED RT PUR ADR
TTM.RT
| $2.92M | ﹤0.01% |
112,700
+21,300
| +23% | +$551K |
|
1524
CALL
Axalta
AXTA
$7.01B
| $2.91M | ﹤0.01% |
131,800
-12,400
| -9% | -$315K |
|
1525
CALL
Northern Trust
NTRS
$22.2B
| $2.91M | ﹤0.01% |
30,200
+3,500
| +13% | +$370K |
|
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.