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JANA Partners Management, LP

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13F filer, CIK 1998597, NEW YORK, NY

JANA Partners Management, LP reported $1,936,600,795 across 10 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-15.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000902664-25-002348

Period
2025-03-31
Reported value
$1.94B
Holdings
10
Top 10 weight
100%
New
1
Sold out
2

Largest buys vs the previous quarter

SecurityShares changeApprox. value
MKLadded+47,096$88.1M
SPYadded+111,090$62.1M
FRPTnew+734,763$61.1M
LWadded+854,087$45.5M
RPDadded+415,927$11M

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
WOLFSPEED INCexited-4,988,216-$33.2M
TRMBreduced-232,861-$15.3M

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, Q1 2025

Share positions as resolved from 13F-HR 0000902664-25-002348, largest first. % of portfolio is the value over $1,936,600,795, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
LWLAMB WESTON HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,526,754 shares; 2024Q4: 7,131,339 shares; 2025Q1: 7,985,426 shares 7,985,426$426M21.98%+854,087Timeline
SPYSTATE STR SPDR S&P 500 ETF TQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 478,963 shares; 2024Q4: 429,263 shares; 2025Q1: 540,353 shares 540,353$302M15.61%+111,090Timeline
MRCYMERCURY SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,941,565 shares; 2024Q4: 6,941,565 shares; 2025Q1: 6,941,565 shares 6,941,565$299M15.45%0Timeline
MKLMARKEL GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 108,926 shares; 2025Q1: 156,022 shares 156,022$292M15.06%+47,096Timeline
TRMBTRIMBLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,880,944 shares; 2024Q4: 4,178,088 shares; 2025Q1: 3,945,227 shares 3,945,227$259M13.37%-232,861Timeline
THSTREEHOUSE FOODS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,910,950 shares; 2024Q4: 4,910,950 shares; 2025Q1: 4,910,950 shares 4,910,950$133M6.87%0Timeline
RPDRAPID7 INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,655,540 shares; 2024Q4: 3,690,129 shares; 2025Q1: 4,106,056 shares 4,106,056$109M5.62%+415,927Timeline
FRPTFRESHPET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 734,763 shares 734,763$61.1M3.16%newTimeline
FISFIDELITY NATL INFORMATION SVQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,586,929 shares; 2024Q4: 496,895 shares; 2025Q1: 496,895 shares 496,895$37.1M1.92%0Timeline
EHABENHABIT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,137,145 shares; 2024Q4: 2,137,145 shares; 2025Q1: 2,137,145 shares 2,137,145$18.8M0.97%0Timeline

Sold out in Q1 2025

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

SecurityShares beforeValue beforeType
MKLMARKEL GROUP INC69,000$119Mcall
WOLFSPEED INCWOLFSPEED INC4,988,216$33.2Mshares

How Q1 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 0000902664-25-002348 base2025-05-15acceptance time not in the bulk data set