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 |
Amazon
AMZN
|
+$170M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$71.3M |
| 3 |
AT&T
T
|
+$44.2M |
| 4 |
Meta Platforms (Facebook)
META
|
+$37.1M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$34.4M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Microsoft
MSFT
|
+$94.3M |
| 2 |
JPMorgan Chase
JPM
|
+$68.2M |
| 3 |
Citigroup
C
|
+$62.8M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$50.9M |
| 5 |
SPDR Gold Trust
GLD
|
+$46.3M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.38% |
| 2 | Technology | 0.35% |
| 3 | Communication Services | 0.24% |
| 4 | Healthcare | 0.2% |
| 5 | Consumer Staples | 0.13% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1451
PUT
PENN Entertainment
PENN
$2.74B
| $3.51M | ﹤0.01% |
118,300
-93,300
| -44% | -$3.03M |
|
1452
PUT
ResMed
RMD
$28.3B
| $3.5M | ﹤0.01% |
16,800
+15,300
| +1,020% | +$3.36M |
|
1453
PUT
TechnipFMC
FTI
$30.6B
| $3.49M | ﹤0.01% |
286,700
-61,200
| -18% | -$685K |
|
|
THS
1454
CALL
DELISTED
Treehouse Foods
THS
| $3.49M | ﹤0.01% |
70,600
+58,500
| +483% | +$2.78M |
|
1455
PUT
Invesco CurrencyShares Canadian Dollar Trust
FXC
$69.2M
| $3.48M | ﹤0.01% |
48,200
-34,600
| -42% | -$2.49M |
|
1456
PUT
ING
ING
$93.8B
| $3.48M | ﹤0.01% |
286,000
+53,700
| +23% | +$583K |
|
1457
Simon Property Group
SPG
$74.5B
| $3.48M | ﹤0.01% |
+29,589
| New | +$3.29M |
|
1458
CALL
Cincinnati Financial
CINF
$28.3B
| $3.46M | ﹤0.01% |
33,800
+30,500
| +924% | +$3.14M |
|
|
GTM
1459
PUT
ZoomInfo Technologies
GTM
$861M
| $3.44M | ﹤0.01% |
114,300
-54,500
| -32% | -$1.88M |
|
1460
Vanguard Russell 2000 Growth ETF
VTWG
$1.47B
| $3.44M | ﹤0.01% |
22,074
+11,238
| +104% | +$1.79M |
|
1461
CALL
United States Brent Oil Fund
BNO
$815M
| $3.44M | ﹤0.01% |
121,500
+79,700
| +191% | +$2.3M |
|
1462
CALL
Molson Coors Class B
TAP
$7.68B
| $3.44M | ﹤0.01% |
66,700
-106,300
| -61% | -$5.45M |
|
1463
PUT
Restaurant Brands International
QSR
$25.1B
| $3.43M | ﹤0.01% |
53,000
-1,800
| -3% | -$111K |
|
1464
CALL
FuboTV Inc
FUBO
$245M
| $3.42M | ﹤0.01% |
163,792
+29,817
| +22% | +$1.09M |
|
1465
PUT
Spectrum Brands
SPB
$2.04B
| $3.42M | ﹤0.01% |
56,100
+51,900
| +1,236% | +$2.62M |
|
1466
CALL
Bloomin' Brands
BLMN
$680M
| $3.41M | ﹤0.01% |
169,500
-900
| -0.5% | -$19.5K |
|
1467
CALL
British American Tobacco
BTI
$132B
| $3.41M | ﹤0.01% |
85,200
-22,800
| -21% | -$896K |
|
1468
PUT
Old Dominion Freight Line
ODFL
$48.5B
| $3.4M | ﹤0.01% |
24,000
-9,400
| -28% | -$1.34M |
|
1469
CALL
NovoCure
NVCR
$2.04B
| $3.4M | ﹤0.01% |
46,300
+12,900
| +39% | +$971K |
|
1470
CALL
LyondellBasell Industries
LYB
$19.5B
| $3.4M | ﹤0.01% |
40,900
+23,100
| +130% | +$1.89M |
|
1471
CALL
Array Technologies
ARRY
$818M
| $3.39M | ﹤0.01% |
175,600
-16,600
| -9% | -$315K |
|
1472
CALL
Vanguard Short-Term Treasury ETF
VGSH
$29.3B
| $3.38M | ﹤0.01% |
49,900
-48,400
| -49% | -$2.8M |
|
1473
CALL
Weyerhaeuser
WY
$17.3B
| $3.38M | ﹤0.01% |
109,100
-15,300
| -12% | -$474K |
|
|
KRTX
1474
PUT
DELISTED
Karuna Therapeutics, Inc. Common Stock
KRTX
| $3.38M | ﹤0.01% |
17,200
+12,300
| +251% | +$2.64M |
|
1475
CALL
Teucrium Agricultural Fund
TAGS
$19.6M
| $3.38M | ﹤0.01% |
338,300
-212,000
| -39% | -$6.56M |
|
Similar funds
Simplex Trading's Q4 2022 Portfolio in Review
As of Q4 2022, Simplex Trading held 11,206 positions worth $91.9B, up 3.9% from $88.5B the previous quarter. Its ten largest holdings account for 34% of the portfolio.
Simplex Trading's Q4 2022 filing shows 1,219 new, 3,365 increased, 4,370 reduced and 1,942 closed positions. Its largest new stake was iShares MSCI Emerging Markets ETF: 932,756 shares worth $35.4M. The largest sale was Microsoft, an estimated $94.3M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.38% of assets, up from 0.3% a quarter earlier, followed by Technology and Communication Services.
- Simplex Trading's largest Q4 2022 buy was iShares MSCI Emerging Markets ETF: 932,756 shares worth $35.4M.
- Simplex Trading added most to Amazon in Q4 2022, an estimated $170M increase.
- Simplex Trading's biggest Q4 2022 reduction was Microsoft, cutting an estimated $94.3M.
- Simplex Trading fully exited JPMorgan Chase in Q4 2022, selling an estimated $68.2M.
- Simplex Trading's ten largest holdings make up 34% of its $91.9B portfolio in Q4 2022.
- Simplex Trading opened 1,219 new positions and closed 1,942 in Q4 2022.
- Simplex Trading's portfolio value rose 3.9% quarter-over-quarter to $91.9B.
Based on Simplex Trading's 13F filing for Q4 2022, filed 2 Feb 2023.