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 | |
|---|---|---|---|---|---|---|
1051
PUT
Live Nation Entertainment
LYV
$41.2B
| $6.24M | 0.01% |
82,100
+16,700
| +26% | +$1.5M |
|
|
VTNR
1052
CALL
DELISTED
Vertex Energy, Inc
VTNR
| $6.24M | 0.01% |
1,001,400
+702,700
| +235% | +$6.43M |
|
1053
PUT
Constellation Energy
CEG
$98B
| $6.22M | 0.01% |
74,800
+54,300
| +265% | +$4M |
|
1054
PUT
Hershey
HSY
$35.4B
| $6.22M | 0.01% |
28,200
-91,400
| -76% | -$20.5M |
|
1055
PUT
Synchrony
SYF
$23.7B
| $6.19M | 0.01% |
219,700
-44,600
| -17% | -$1.44M |
|
1056
Procter & Gamble
PG
$343B
| $6.18M | 0.01% |
48,950
+46,790
| +2,166% | +$6.65M |
|
1057
PUT
Nutanix
NTNX
$14.9B
| $6.17M | 0.01% |
296,100
+190,300
| +180% | +$3.47M |
|
1058
PUT
Qorvo
QRVO
$7.63B
| $6.15M | 0.01% |
77,500
-5,800
| -7% | -$561K |
|
|
VMW
1059
PUT
DELISTED
VMware, Inc
VMW
| $6.14M | 0.01% |
57,700
-118,200
| -67% | -$13.6M |
|
1060
PUT
TE Connectivity
TEL
$58.8B
| $6.14M | 0.01% |
55,600
+54,900
| +7,843% | +$6.83M |
|
1061
PUT
Vodafone
VOD
$34.9B
| $6.13M | 0.01% |
541,400
+252,000
| +87% | +$3.52M |
|
|
ARCH
1062
CALL
DELISTED
Arch Resources, Inc.
ARCH
| $6.13M | 0.01% |
51,700
+39,900
| +338% | +$5.52M |
|
1063
PUT
Vanguard Consumer Discretionary ETF
VCR
$5.84B
| $6.13M | 0.01% |
26,300
+800
| +3% | +$207K |
|
|
TYNS
1064
CALL
DELISTED
Direxion Daily 7-10 Year Treasury Bear 1X Shares
TYNS
| $6.12M | 0.01% |
110,700
-36,400
| -25% | -$2.01M |
|
|
DFS
1065
CALL
DELISTED
Discover Financial Services
DFS
| $6.12M | 0.01% |
67,300
-42,000
| -38% | -$4.25M |
|
1066
PUT
Qfin Holdings
QFIN
$1.61B
| $6.1M | 0.01% |
475,800
+450,600
| +1,788% | +$6.56M |
|
1067
CALL
TransDigm Group
TDG
$69.2B
| $6.09M | 0.01% |
11,600
+10,200
| +729% | +$6.09M |
|
1068
CALL
US Physical Therapy
USPH
$1.14B
| $6.07M | 0.01% |
+79,800
| New | +$7.67M |
|
1069
CALL
PENN Entertainment
PENN
$2.74B
| $6.05M | 0.01% |
219,900
+43,800
| +25% | +$1.41M |
|
1070
CALL
Cadence Design Systems
CDNS
$90B
| $6.05M | 0.01% |
37,000
-200
| -0.5% | -$34.4K |
|
1071
Morgan Stanley
MS
$337B
| $6.04M | 0.01% |
76,477
-251,027
| -77% | -$21.2M |
|
1072
Marvell Technology
MRVL
$174B
| $6.04M | 0.01% |
140,775
-58,045
| -29% | -$2.87M |
|
1073
CALL
Crocs
CROX
$6.69B
| $6.01M | 0.01% |
87,500
+23,000
| +36% | +$1.6M |
|
1074
CALL
Futu Holdings
FUTU
$13.9B
| $6.01M | 0.01% |
161,100
-82,900
| -34% | -$3.62M |
|
1075
PUT
Welltower
WELL
$178B
| $6M | 0.01% |
93,300
+9,000
| +11% | +$704K |
|
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.