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 | |
|---|---|---|---|---|---|---|
1301
PUT
Moody's
MCO
$81.7B
| $4.3M | ﹤0.01% |
17,700
+4,900
| +38% | +$1.42M |
|
1302
CALL
PTC
PTC
$13.7B
| $4.28M | ﹤0.01% |
40,900
+500
| +1% | +$57K |
|
|
JKS
1303
CALL
JinkoSolar
JKS
$775M
| $4.26M | ﹤0.01% |
77,000
+57,200
| +289% | +$3.51M |
|
1304
CALL
TPG
TPG
$6.87B
| $4.26M | ﹤0.01% |
153,100
+89,300
| +140% | +$2.58M |
|
1305
PUT
Urban Outfitters
URBN
$5.99B
| $4.26M | ﹤0.01% |
216,800
+80,900
| +60% | +$1.7M |
|
1306
PUT
Alpha Metallurgical Resources
AMR
$1.82B
| $4.25M | ﹤0.01% |
31,100
-16,300
| -34% | -$2.27M |
|
1307
CALL
Applovin
APP
$132B
| $4.25M | ﹤0.01% |
218,300
+110,000
| +102% | +$3.29M |
|
1308
ProShares UltraPro S&P 500
UPRO
$5.1B
| $4.25M | ﹤0.01% |
+149,639
| New | +$6M |
|
|
WBA
1309
DELISTED
Walgreens Boots Alliance
WBA
| $4.23M | ﹤0.01% |
134,749
-31,197
| -19% | -$1.16M |
|
|
SI
1310
PUT
DELISTED
Silvergate Capital Corporation
SI
| $4.23M | ﹤0.01% |
56,100
+36,400
| +185% | +$3.1M |
|
1311
PUT
Navios Maritime Partners
NMM
$2.25B
| $4.22M | ﹤0.01% |
172,100
-1,000
| -0.6% | -$25.8K |
|
1312
CALL
Carrier Global
CARR
$57.2B
| $4.22M | ﹤0.01% |
118,600
+54,200
| +84% | +$2.13M |
|
1313
CALL
Goodyear
GT
$2.07B
| $4.21M | ﹤0.01% |
417,100
+147,300
| +55% | +$1.87M |
|
1314
Blackrock
BLK
$164B
| $4.21M | ﹤0.01% |
7,647
-1,473
| -16% | -$964K |
|
1315
CALL
Campbell Soup
CPB
$6.51B
| $4.21M | ﹤0.01% |
89,300
+8,300
| +10% | +$407K |
|
|
FTCV
1316
PUT
DELISTED
FinTech Acquisition Corp. V Class A Common Stock
FTCV
| $4.2M | ﹤0.01% |
422,100
+331,600
| +366% | +$3.29M |
|
1317
Visa
V
$677B
| $4.2M | ﹤0.01% |
23,651
-147,859
| -86% | -$30.1M |
|
1318
CALL
Green Plains
GPRE
$1.19B
| $4.2M | ﹤0.01% |
144,400
+103,500
| +253% | +$3.5M |
|
1319
PUT
OSI Systems
OSIS
$3.57B
| $4.18M | ﹤0.01% |
58,000
+57,700
| +19,233% | +$5.05M |
|
|
CHGX
1320
CALL
DELISTED
AXS Change Finance ESG ETF
CHGX
| $4.16M | ﹤0.01% |
75,700
+71,900
| +1,892% | +$1.99M |
|
1321
CALL
Iron Mountain
IRM
$38.2B
| $4.16M | ﹤0.01% |
94,600
+46,600
| +97% | +$2.35M |
|
1322
PUT
Old Dominion Freight Line
ODFL
$48.5B
| $4.15M | ﹤0.01% |
33,400
+11,000
| +49% | +$1.52M |
|
|
TYNS
1323
PUT
DELISTED
Direxion Daily 7-10 Year Treasury Bear 1X Shares
TYNS
| $4.15M | ﹤0.01% |
75,600
-5,200
| -6% | -$286K |
|
1324
CALL
Bath & Body Works
BBWI
$4.01B
| $4.15M | ﹤0.01% |
127,600
+41,100
| +48% | +$1.45M |
|
1325
PUT
Rocket Companies
RKT
$36.9B
| $4.15M | ﹤0.01% |
656,300
+250,100
| +62% | +$2.17M |
|
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.