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Starboard Value LP

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13F filer, CIK 1517137, New York, NY

Starboard Value LP reported $5,314,627,248 across 20 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-11-14. Its ten largest share positions make up 71.29% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000921895-25-003099

Period
2025-09-30
Reported value
$5.31B
Holdings
20
Top 10 weight
71.29%
New
1
Sold out
6

Part of the filer group Starboard Value LP

How groups are built

Largest buys vs the previous quarter

SecurityShares changeApprox. value
BILLnew+7,024,848$372M
RIOTadded+4,141,100$78.8M
ROGadded+777,000$62.5M
TRIPadded+1,011,430$16.4M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
BDXreduced-1,411,492-$264M
PFEexited-8,542,149-$207M
MTCHreduced-4,241,537-$150M
HRreduced-4,800,636-$86.6M
IWMreduced-203,000-$49.1M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q3 2025

Share positions as resolved from 13F-HR 0000921895-25-003099, largest first. % of portfolio is the value over $5,314,627,248, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
QRVOQORVO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 8,270,000 shares; 2025Q2: 7,872,867 shares; 2025Q3: 7,510,871 shares 7,510,871$684M12.87%-361,9962026-10-05, 13D/A: 0 shares, 0% of the class, 13D/A filed 2026-10-06 Timeline
ADSKAUTODESK INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,852,000 shares; 2024Q4: 1,038,000 shares; 2025Q1: 2,000,000 shares; 2025Q2: 1,467,348 shares; 2025Q3: 1,313,000 shares 1,313,000$417M7.85%-154,348Timeline
MTCHMATCH GROUP INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,556,146 shares; 2024Q4: 14,656,970 shares; 2025Q1: 14,085,901 shares; 2025Q2: 15,311,916 shares; 2025Q3: 11,070,379 shares 11,070,379$391M7.36%-4,241,537Timeline
BILLBILL HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 7,024,848 shares 7,024,848$372M7%newTimeline
GENGEN DIGITAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 17,516,604 shares; 2024Q4: 17,516,604 shares; 2025Q1: 17,516,604 shares; 2025Q2: 13,330,505 shares; 2025Q3: 12,171,000 shares 12,171,000$346M6.5%-1,159,505Timeline
IJHISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 3,965,268 shares; 2025Q1: 3,564,875 shares; 2025Q2: 5,250,656 shares; 2025Q3: 5,250,656 shares 5,250,656$343M6.45%0Timeline
AQNALGONQUIN POWER & UTILITIESQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 62,141,000 shares; 2024Q4: 65,316,000 shares; 2025Q1: 66,433,000 shares; 2025Q2: 63,489,420 shares; 2025Q3: 63,489,420 shares 63,489,420$341M6.42%0Timeline
KVUEKENVUE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 21,914,000 shares; 2025Q1: 22,054,000 shares; 2025Q2: 20,929,938 shares; 2025Q3: 20,929,938 shares 20,929,938$340M6.39%0Timeline
CRMSALESFORCE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,441,848 shares; 2024Q4: 559,264 shares; 2025Q1: 849,679 shares; 2025Q2: 1,252,247 shares; 2025Q3: 1,242,150 shares 1,242,150$294M5.54%-10,097Timeline
HRHEALTHCARE RLTY TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 20,183,460 shares; 2025Q1: 20,072,000 shares; 2025Q2: 19,290,672 shares; 2025Q3: 14,490,036 shares 14,490,036$261M4.92%-4,800,636Timeline
BDXBECTON DICKINSON & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 1,749,000 shares; 2025Q2: 2,619,490 shares; 2025Q3: 1,207,998 shares 1,207,998$226M4.25%-1,411,492Timeline
NWSNEWS CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 8,732,000 shares; 2024Q4: 8,482,000 shares; 2025Q1: 7,814,831 shares; 2025Q2: 6,862,525 shares; 2025Q3: 6,017,000 shares 6,017,000$208M3.91%-845,525Timeline
ACTGACACIA RESH CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 61,123,595 shares; 2024Q4: 61,123,595 shares; 2025Q1: 61,123,595 shares; 2025Q2: 61,123,595 shares; 2025Q3: 61,123,595 shares 61,123,595$199M3.74%0Timeline
NWSANEWS CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 7,201,393 shares; 2024Q4: 7,201,393 shares; 2025Q1: 7,201,393 shares; 2025Q2: 6,798,936 shares; 2025Q3: 6,381,716 shares 6,381,716$196M3.69%-417,220Timeline
RIOTRIOT PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 12,704,035 shares; 2025Q1: 12,700,000 shares; 2025Q2: 4,676,900 shares; 2025Q3: 8,818,000 shares 8,818,000$168M3.16%+4,141,100Timeline
TRIPTRIPADVISOR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 8,499,054 shares; 2025Q3: 9,510,484 shares 9,510,484$155M2.91%+1,011,430Timeline
ALITALIGHT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 43,395,000 shares; 2024Q4: 47,228,000 shares; 2025Q1: 47,924,000 shares; 2025Q2: 45,865,899 shares; 2025Q3: 45,865,899 shares 45,865,899$150M2.81%0Timeline
ROGROGERS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 804,000 shares; 2024Q4: 804,000 shares; 2025Q1: 804,000 shares; 2025Q2: 899,502 shares; 2025Q3: 1,676,502 shares 1,676,502$135M2.54%+777,000Timeline
BLMNBLOOMIN BRANDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 8,441,000 shares; 2024Q4: 8,441,000 shares; 2025Q1: 8,441,000 shares; 2025Q2: 7,980,992 shares; 2025Q3: 7,980,992 shares 7,980,992$57.2M1.08%0Timeline
IWMISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 340,000 shares; 2025Q3: 137,000 shares 137,000$33.1M0.62%-203,000Timeline

Sold out in Q3 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
PFEPFIZER INC8,542,149$207Mshares
RBARB GLOBAL INC251,163$26.7Mshares
GDOTGREEN DOT CORP1,733,298$18.7Mshares
FTREFORTREA HLDGS INC2,495,558$12.3Mshares
WIX COM LTDWIX COM LTD7,095,000$7.08Mshares
RIOTRIOT PLATFORMS INC187,600$101Kput

How Q3 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000921895-25-003099 base2025-11-14acceptance time not in the bulk data set