JANA Partners Management

Latest statistics and disclosures from JANA Partners Management's latest quarterly 13F-HR filing:

  • Top 5 stock holdings are MRCY, COO, FISV, SPY, LW, and represent 77.03% of JANA Partners Management's stock portfolio.
  • Added to shares of these 3 stocks: FISV (+$122M), ALKT (+$8.4M), COO.
  • Reduced shares in these 5 stocks: , MRCY (-$62M), FRPT (-$34M), SPY (-$31M), MKL (-$11M).
  • Sold out of its positions in FRPT, THS.
  • JANA Partners Management was a net seller of stock by $-142M.
  • JANA Partners Management has $1.6B in assets under management (AUM), dropping by -16.43%.
  • Central Index Key (CIK): 0001998597

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Portfolio Holdings for JANA Partners Management

JANA Partners Management holds 10 positions in its portfolio as reported in the March 2026 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Mercury Computer Systems (MRCY) 18.6 $300M -17% 4.1M 72.91
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Cooper Cos (COO) 15.9 $255M 3.6M 71.50
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Fiserv (FISV) 15.4 $248M +97% 4.4M 55.80
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State Str Spdr S&p 500 Etf T Tr Unit (SPY) 13.9 $224M -12% 344k 650.34
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Lamb Weston Hldgs (LW) 13.2 $212M 5.0M 42.26
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Markel Corporation (MKL) 9.0 $144M -7% 75k 1914.07
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Alkami Technology (ALKT) 5.3 $85M +10% 5.4M 15.67
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Six Flags Entertainment Corp (FUN) 4.5 $73M 4.1M 17.75
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Rapid7 (RPD) 2.3 $37M 6.7M 5.51
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Enhabit Ord (EHAB) 1.8 $30M 2.1M 14.09
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Past Filings by JANA Partners Management

SEC 13F filings are viewable for JANA Partners Management going back to 2023