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 |
Microsoft
MSFT
|
+$114M |
| 2 |
NVIDIA
NVDA
|
+$85.9M |
| 3 |
Citigroup
C
|
+$61.5M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$45.5M |
| 5 |
Pfizer
PFE
|
+$41.6M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$467M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$71.2M |
| 3 |
Meta Platforms (Facebook)
META
|
+$47.6M |
| 4 |
Intel
INTC
|
+$41.9M |
| 5 |
TSMC
TSM
|
+$35.9M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.51% |
| 2 | Financials | 0.35% |
| 3 | Consumer Discretionary | 0.3% |
| 4 | Healthcare | 0.25% |
| 5 | Industrials | 0.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1676
CALL
TAL Education Group
TAL
$5.71B
| $2.79M | ﹤0.01% |
565,700
+208,700
| +58% | +$1.04M |
|
1677
PUT
FuboTV Inc
FUBO
$245M
| $2.79M | ﹤0.01% |
65,542
+23,475
| +56% | +$1.01M |
|
1678
CALL
Ginkgo Bioworks
DNA
$481M
| $2.79M | ﹤0.01% |
22,365
+18,397
| +464% | +$2.19M |
|
|
VYGG
1679
CALL
DELISTED
Vy Global Growth
VYGG
| $2.79M | ﹤0.01% |
278,300
+35,900
| +15% | +$358K |
|
1680
US Bancorp
USB
$99.6B
| $2.79M | ﹤0.01% |
+69,171
| New | +$3.2M |
|
1681
PUT
ProShares Ultra S&P500
SSO
$7.82B
| $2.78M | ﹤0.01% |
147,000
-1,000
| -0.7% | -$24.7K |
|
|
SNV
1682
CALL
DELISTED
Synovus
SNV
| $2.78M | ﹤0.01% |
74,200
+6,700
| +10% | +$266K |
|
1683
PUT
Royal Bank of Canada
RY
$291B
| $2.78M | ﹤0.01% |
30,900
-21,000
| -40% | -$2.01M |
|
1684
Celsius Holdings
CELH
$6.93B
| $2.78M | ﹤0.01% |
91,845
+33,120
| +56% | +$1.04M |
|
1685
CALL
Honda
HMC
$36.5B
| $2.78M | ﹤0.01% |
128,600
+2,500
| +2% | +$63.2K |
|
1686
MongoDB
MDB
$24B
| $2.77M | ﹤0.01% |
13,969
-3,045
| -18% | -$889K |
|
1687
PUT
NovoCure
NVCR
$2.04B
| $2.77M | ﹤0.01% |
36,500
+19,000
| +109% | +$1.48M |
|
|
HCP
1688
CALL
DELISTED
HashiCorp, Inc. Class A Common Stock
HCP
| $2.77M | ﹤0.01% |
86,000
+40,500
| +89% | +$1.4M |
|
1689
SLB Ltd
SLB
$77.8B
| $2.77M | ﹤0.01% |
+77,043
| New | +$2.79M |
|
|
NVMI
1690
CALL
Nova
NVMI
$13.9B
| $2.75M | ﹤0.01% |
32,300
+3,100
| +11% | +$305K |
|
1691
Newmont
NEM
$98.2B
| $2.75M | ﹤0.01% |
65,538
-270,386
| -80% | -$12.6M |
|
1692
Alpha Metallurgical Resources
AMR
$1.82B
| $2.75M | ﹤0.01% |
20,106
-5,965
| -23% | -$829K |
|
1693
CALL
Calumet Specialty Products
CLMT
$3.63B
| $2.75M | ﹤0.01% |
214,600
+50,400
| +31% | +$723K |
|
1694
PUT
Franco-Nevada
FNV
$41.4B
| $2.75M | ﹤0.01% |
23,000
+16,500
| +254% | +$2.07M |
|
1695
PUT
Orion
OEC
$394M
| $2.75M | ﹤0.01% |
205,800
+119,700
| +139% | +$1.95M |
|
1696
PUT
Lithia Motors
LAD
$7.78B
| $2.75M | ﹤0.01% |
12,800
+5,300
| +71% | +$1.38M |
|
1697
CALL
Autoliv
ALV
$8.6B
| $2.75M | ﹤0.01% |
41,200
-2,800
| -6% | -$217K |
|
|
JPGE
1698
CALL
DELISTED
JPMorgan Diversified Return Global Equity ETF
JPGE
| $2.74M | ﹤0.01% |
53,500
+7,000
| +15% | +$358K |
|
1699
PUT
State Street Multi-Asset Real Return ETF
RLY
$1.26B
| $2.74M | ﹤0.01% |
67,000
+63,400
| +1,761% | +$1.77M |
|
1700
PUT
Toyota
TM
$210B
| $2.74M | ﹤0.01% |
21,000
+11,000
| +110% | +$1.67M |
|
Similar funds
Simplex Trading's Q3 2022 Portfolio in Review
As of Q3 2022, Simplex Trading held 11,570 positions worth $88.5B, down 6% from $94.1B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
Simplex Trading's Q3 2022 filing shows 1,564 new, 4,281 increased, 3,851 reduced and 1,575 closed positions. Its largest new stake was Microsoft: 432,062 shares worth $101M. The largest sale was Apple, an estimated $467M.
By sector, the portfolio is most concentrated in Technology at 0.51% of assets, down from 0.84% a quarter earlier, followed by Financials and Consumer Discretionary.
- Simplex Trading's largest Q3 2022 buy was Microsoft: 432,062 shares worth $101M.
- Simplex Trading added most to NVIDIA in Q3 2022, an estimated $85.9M increase.
- Simplex Trading's biggest Q3 2022 reduction was Apple, cutting an estimated $467M.
- Simplex Trading fully exited iShares Core S&P 500 ETF in Q3 2022, selling an estimated $34.3M.
- Simplex Trading's ten largest holdings make up 38% of its $88.5B portfolio in Q3 2022.
- Simplex Trading opened 1,564 new positions and closed 1,575 in Q3 2022.
- Simplex Trading's portfolio value fell 6% quarter-over-quarter to $88.5B.
Based on Simplex Trading's 13F filing for Q3 2022, filed 4 Nov 2022.