JANA Partners Management, LP

Q4 2025 13F Holdings

  • Location
    new york, NY
  • Num holdings

    12

  • Value ($000)

    $1,921,781

  • Date Filed
    02/17/2026
  • Form type
    13F-HR
  • CIK
    0001998597
  • All SEC filings
  • Note
    Holdings aggregated across “other managers” listed in original SEC filing, see here for detailed holdings broken out by other managers
Compare Q4 2025 to
Select Quarter
Issuer Name
Class
CUSIP
VALUE
%
Shares
Principal
Option Type
MRCY

MERCURY SYS INC

COM
$362.09M
19 %

4,959,481

COO

COOPER COS INC

COM
$288.47M
15 %

3,519,620

SPY

SPDR S&P 500 ETF TR

TR UNIT
$266.86M
14 %

391,337

LW

LAMB WESTON HLDGS INC

COM
$209.81M
11 %

5,008,635

MKL

MARKEL GROUP INC

COM
$174.59M
9 %

81,219

FI

FISERV INC

COM
$150.83M
8 %

2,245,520

---

TREEHOUSE FOODS INC

COM
$137.33M
7 %

5,821,337

ALKT

ALKAMI TECHNOLOGY INC

COM
$112.92M
6 %

4,894,665

RPD

RAPID7 INC

COM
$102.5M
5 %

6,743,653

FUN

SIX FLAGS ENTERTAINMENT CORP

COM
$63.14M
3 %

4,116,099

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