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HoldingsActivityBuysSells

Data sourced from SEC EDGAR 13F filings

PricingTerms© 2026 Super Investor · Not financial advice

JANA Partners Management LP

Period:
Q1 2026
Portfolio date:
Mar 31, 2026
No. of stocks:
10
Portfolio value:
$1,605,978,000
Filed:
May 15, 2026
CIK:
1998597
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HistStockActivityShare change% change to portfolio
Q1 2026filed May 15, 262 added3 reduced2 exited
≡THS – TREEHOUSE FOODS INCSell−5,821,337−7.15
≡FRPT – FRESHPET INCSell−557,390−1.77
≡MRCY – MERCURY SYS INCReduce 17.00%−852,057−0.19
≡MKL – MARKEL GROUP INCReduce 7.00%−5,912−0.11
≡SPY – STATE STR SPDR S&P 500 ETF TReduce 12.00%−47,6720.03
Q4 2025filed Feb 17, 261 new2 added3 reduced1 exited
≡TRMB – TRIMBLE INCSell−1,881,399−7.44
≡MKL – MARKEL GROUP INCReduce 45.00%−66,192−4.56
≡MRCY – MERCURY SYS INCReduce 17.00%−1,000,000−3.49
≡FRPT – FRESHPET INCReduce 47.00%−490,746
Q3 2025filed Nov 14, 253 new1 added4 reduced1 exited
≡TRMB – TRIMBLE INCReduce 48.00%−1,727,498−6.33
≡LW – LAMB WESTON HLDGS INCReduce 31.00%−2,223,584−4.75
≡MRCY – MERCURY SYS INCReduce 12.00%−793,9324.06
≡SPY – SPDR S&P 500 ETF TRReduce 25.00%−126,416
−1.03
−3.45
≡WEX – WEX INCSell−164,029−1.21