Skip to main content

Southeastern Asset Management (Longleaf)

Superinvestor

Southeastern Asset Management Inc

SEC CIK
0000807985
Manager
Mason Hawkins
Style
Value
Latest filing
Aug 14, 2026

SN holding history

SharkNinja, Inc. in every 13F filed by Southeastern Asset Management (Longleaf), including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

SN overviewAll 13F holders of SNFull Q2 2026 holdings

Shares (Q2 2026)
63,234
Value
$9.63M
% of portfolio
0.5%
Quarters held
12
Since Q3 2023
Holdings of SN by Southeastern Asset Management (Longleaf), by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202663,234$9.63M0.5%−187,432−74.8%ReducedHolders
Q1 2026250,666$26.5M1.3%−38,600−13.3%ReducedHolders
Q4 2025289,266$32.4M1.4%−218,152−43.0%ReducedHolders
Q3 2025507,418$52.3M2.7%−24,242−4.6%ReducedHolders
Q2 2025531,660$52.6M2.7%−13,743−2.5%ReducedHolders
Q1 2025545,403$45.5M2.4%+107,011+24.4%AddedHolders
Q4 2024438,392$42.7M2.0%−143,016−24.6%ReducedHolders
Q3 2024581,408$63.2M3.0%−15,765−2.6%ReducedHolders
Q2 2024597,173$44.9M2.0%−125,889−17.4%ReducedHolders
Q1 2024723,062$45.0M1.7%−872,071−54.7%ReducedHolders
Q4 20231,595,133$81.6M3.1%−310,024−16.3%ReducedHolders
Q3 20231,905,157$88.3M3.3%+1,905,157NewHolders