CenterStar Asset Management, LLC 13F Portfolio

CIK 1722053 Filing since Q1 2023 Q3 2026 filed Oct 9, 2026
Holdings as of Sep 30, 2026, from the 13F filed Oct 9, 2026.

Portfolio Snapshot

45 positions · Q3 2026

CenterStar Asset Management, LLC reported 45 positions worth $61.05M for the quarter ended Sep 30, 2026, up 6.9% on the prior quarter. It opened 27 new positions, added to 8, trimmed 7 and exited 29. Its largest holding is Nvidia Corp at 13.1% of the portfolio.

Portfolio Value
$61.05M
+6.9% QoQ · +107.4% YoY
Positions
45
27 new · 29 sold out
Top 10 Concentration
66.1%
of portfolio value
Largest Position
NVDA 13.1%
Nvidia Corp
Net Buying
+$3.17M
$39.40M bought · $36.23M sold
Turnover
61.3%
of the portfolio traded
Top Sector
Technology
72.7% of value
Track Record
15
quarters on file since Q1 2023

Portfolio Value & Positions

Value Positions

Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.

Sector Allocation

9 sectors
72.68%
Technology
Technology72.68%
Consumer Discretionary10.71%
Financial Services7.03%
Industrials5.42%
Other1.47%
Utilities1.25%
Energy0.582%
Healthcare0.516%
Consumer Staples0.337%

Quarterly Buying & Selling

Bought Sold

Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.

Position Changes

How many positions were opened, added to, trimmed or closed each quarter.

Sector Allocation Over Time

Share of reported value in each sector at every quarter end.

TechnologyConsumer DiscretionaryFinancial ServicesIndustrialsOtherUtilitiesEnergyHealthcareConsumer StaplesBasic MaterialsCommunication ServicesReal Estate

Largest Buys

Q3 2026
Holding Change Change % Trade Value Weight
WDC Western Digital Corp +9,048 – $4.14M 6.77%
TXN Texas Instruments Inc +13.8K – $3.88M 6.35%
STX Seagate Technology Holdings plc +3,990 – $3.68M 6.03%
KLAC Kla Corp +18.0K – $3.52M 5.77%
NBIS Nebius Group N.V. +11.4K +148.7% $2.70M 7.39%
DELL Dell Technologies Inc. +4,500 – $2.43M 3.98%
NVDA Nvidia Corp +9,392 +37.1% $2.16M 13.06%
HPE Hewlett Packard Enterprise Co +33.2K – $2.13M 3.49%
TSLA Tesla, Inc. +4,366 +35.4% $1.54M 9.67%
BX Blackstone Inc. +13.3K – $1.49M 2.44%

Largest Sells

Q3 2026
Holding Change Change % Trade Value Weight
META Meta Platforms, Inc. -6,529 -73.5% $4.75M 2.81%
AMZN Amazon Com Inc -15.7K -100.0% $3.75M Exited
GOOG Alphabet Inc. -9,880 -100.0% $3.49M Exited
SMCI Super Micro Computer, Inc. -107.5K -100.0% $3.15M Exited
MSFT Microsoft Corp -6,919 -100.0% $2.58M Exited
AXP American Express Co -6,789 -100.0% $2.30M Exited
NEM NEWMONT Corp -22.1K -100.0% $2.07M Exited
SNOW Snowflake Inc. -8,000 -100.0% $2.03M Exited
TSM Taiwan Semiconductor Manufacturing Co Ltd -3,345 -60.1% $1.53M 1.66%
SBUX Starbucks Corp -13.0K -100.0% $1.33M Exited

New Positions

Q3 2026
Holding Shares Trade Value Weight
WDC Western Digital Corp +9,048 $4.14M 6.77%
TXN Texas Instruments Inc +13.8K $3.88M 6.35%
STX Seagate Technology Holdings plc +3,990 $3.68M 6.03%
KLAC Kla Corp +18.0K $3.52M 5.77%
DELL Dell Technologies Inc. +4,500 $2.43M 3.98%
HPE Hewlett Packard Enterprise Co +33.2K $2.13M 3.49%
BX Blackstone Inc. +13.3K $1.49M 2.44%
UPS United Parcel Service Inc +14.6K $1.37M 2.24%
CSCO Cisco Systems, Inc. +10.9K $1.17M 1.92%
INTC Intel Corp +9,385 $1.13M 1.85%

Closed Positions

Q3 2026
Holding Shares Sold Trade Value Prior Weight
AMZN Amazon Com Inc -15.7K $3.75M 6.56%
GOOG Alphabet Inc. -9,880 $3.49M 6.12%
SMCI Super Micro Computer, Inc. -107.5K $3.15M 5.52%
MSFT Microsoft Corp -6,919 $2.58M 4.53%
AXP American Express Co -6,789 $2.30M 4.02%
NEM NEWMONT Corp -22.1K $2.07M 3.62%
SNOW Snowflake Inc. -8,000 $2.03M 3.56%
SBUX Starbucks Corp -13.0K $1.33M 2.33%
CRM Salesforce, Inc. -8,355 $1.31M 2.3%
SNY Sanofi -12.6K $535.83K 0.938%
Holdings · Q3 2026

45 Positions

As ofSep 30, 2026
Value$61.05M
Top 1066.1%
Avg position$1.36M
# Activity
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Showing 1–15 of 45 positions 13F filings on SEC EDGAR

Tip. Select a row to see that position’s full history at CenterStar Asset Management.

About CenterStar Asset Management, LLC’s 13F Portfolio

What are CenterStar Asset Management, LLC’s largest holdings?

As of its Q3 2026 13F filing, CenterStar Asset Management, LLC’s five largest positions were Nvidia Corp (NVDA) at 13.1%, Tesla, Inc. (TSLA) at 9.7%, Nebius Group N.V. (NBIS) at 7.4%, Western Digital Corp (WDC) at 6.8%, Texas Instruments Inc (TXN) at 6.3% of the reported portfolio.

How much is CenterStar Asset Management, LLC’s portfolio worth?

CenterStar Asset Management, LLC reported a 13F portfolio worth $61.05M across 45 positions for Q3 2026. That is up 6.9% from the previous quarter.

What did CenterStar Asset Management, LLC buy in Q3 2026?

Its largest purchases by value were Western Digital Corp ($4.14M), Texas Instruments Inc ($3.88M), Seagate Technology Holdings plc ($3.68M). It opened 27 new positions.

What did CenterStar Asset Management, LLC sell in Q3 2026?

Its largest sales by value were Meta Platforms, Inc. ($4.75M), Amazon Com Inc ($3.75M), Alphabet Inc. ($3.49M). It exited 29 positions entirely.

Where does this data come from?

From the Form 13F-HR reports CenterStar Asset Management, LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.

Similar-Sized Institutions

by reported 13F value

13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.