JANA Partners Management

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

  • Top 5 stock holdings are MRCY, COO, SPY, LW, FISV, and represent 74.11% of JANA Partners Management's stock portfolio.
  • Added to shares of these 5 stocks: ALKT (+$24M), LW (+$17M), MKL, COO, RPD.
  • Reduced shares in these 5 stocks: FISV (-$38M), Enhabit Ord (-$30M), MRCY (-$18M), P, SPY.
  • Sold out of its position in Enhabit Ord.
  • JANA Partners Management was a net seller of stock by $-46M.
  • JANA Partners Management has $1.9B in assets under management (AUM), dropping by 14.08%.
  • 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 June 2026 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Mercury Computer Systems (MRCY) 25.5 $484M -3% 4.0M 122.33
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Cooper Cos (COO) 13.5 $257M 3.6M 71.71
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State Str Spdr S&p 500 Etf T Tr Unit (SPY) 13.5 $256M 343k 746.77
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Lamb Weston Hldgs (LW) 12.2 $233M +7% 5.4M 43.18
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Fiserv (FISV) 9.4 $180M -17% 3.7M 49.05
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Markel Corporation (MKL) 7.9 $150M 77k 1953.01
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Alkami Technology (ALKT) 6.4 $122M +24% 6.7M 18.12
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Six Flags Entertainment Corp (FUN) 4.6 $88M 4.1M 21.30
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Everpure Cl A (P) 4.1 $78M -5% 989k 78.79
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Rapid7 (RPD) 2.9 $55M 6.7M 8.10
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Past Filings by JANA Partners Management

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