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Latest JANA Partners Management, LP Stock Portfolio

JANA Partners Management, LP Performance:
2025 Q4: -2.9%YTD: -1.47%2024: 9.75%
Performance for 2025 Q4 is -2.9%, and YTD is -1.47%, and 2024 is 9.75%.

About JANA Partners Management, LP and 13F Hedge Fund Stock Holdings

On 2026-02-17, the fund reported it's updated stock portfolio. In the 13F Holdings report, JANA Partners Management, LP reported an equity portfolio of $1.9 Billions as of 31 Dec, 2025.

The top stock holdings of JANA Partners Management, LP are MRCY, COO, SPY. The fund has invested 18.8% of it's portfolio in MERCURY SYS INC and 15% of portfolio in COOPER COS INC.

The fund managers got completely rid off TRIMBLE INC (TRMB) stocks. They significantly reduced their stock positions in FRESHPET INC (FRPT), MARKEL GROUP INC (MKL) and MERCURY SYS INC (MRCY). JANA Partners Management, LP opened new stock positions in FISERV INC. The fund showed a lot of confidence in some stocks as they added substantially to ALKAMI TECHNOLOGY INC (ALKT), COOPER COS INC (COO) and RAPID7 INC (RPD).

JANA Partners Management, LP Annual Return Estimates Vs S&P 500

Our best estimate is that JANA Partners Management, LP made a return of -2.9% in the last quarter. In trailing 12 months, it's portfolio return was -1.47%.
  • Performance
  • S&P 500

New Buys

Ticker$ Bought
fiserv inc150,832,000
New stocks bought by JANA Partners Management, LP

Additions

Ticker% Inc.
alkami technology inc158
cooper cos inc44.57
rapid7 inc3.71
six flags entertainment corp1.63
spdr s&p 500 etf tr1.22
Additions to existing portfolio by JANA Partners Management, LP

Reductions

Ticker% Reduced
freshpet inc-46.82
markel group inc-44.9
mercury sys inc-16.78
enhabit inc-2.19
JANA Partners Management, LP reduced stake in above stock

Sold off

Ticker$ Sold
trimble inc-153,616,000
JANA Partners Management, LP got rid off the above stocks

Sector Distribution

JANA Partners Management, LP has about 25% of it's holdings in Others sector.

Sector%
Others25
Consumer Defensive19.8
Industrials18.8
Healthcare16
Technology11.2
Financial Services9.1

Market Cap. Distribution

JANA Partners Management, LP has about 24.1% of it's portfolio invested in the large-cap and mega-cap stocks.

Category%
MID-CAP31.5
UNALLOCATED25
LARGE-CAP24.1
SMALL-CAP19.4

Stocks belong to which Index?

About 45.3% of the stocks held by JANA Partners Management, LP either belong to S&P 500 or RUSSELL 2000 index.

Index%
Others54.7
S&P 50025.9
RUSSELL 200019.4
Top 5 Winners (%)%
THS
treehouse foods inc
16.7 %
COO
cooper cos inc
16.1 %
EHAB
enhabit inc
14.9 %
MKL
markel group inc
9.7 %
FRPT
freshpet inc
8.1 %
Top 5 Winners ($)$
COO
cooper cos inc
39.9 M
MKL
markel group inc
27.2 M
THS
treehouse foods inc
19.7 M
SPY
spdr s&p 500 etf tr
6.1 M
FRPT
freshpet inc
4.7 M
Top 5 Losers (%)%
six flags entertainment corp
-32.3 %
LW
lamb weston hldgs inc
-27.9 %
RPD
rapid7 inc
-18.7 %
MRCY
mercury sys inc
-5.2 %
ALKT
alkami technology inc
-5.0 %
Top 5 Losers ($)$
LW
lamb weston hldgs inc
-81.1 M
six flags entertainment corp
-30.1 M
MRCY
mercury sys inc
-24.0 M
RPD
rapid7 inc
-23.5 M
ALKT
alkami technology inc
-6.0 M

JANA Partners Management, LP Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of JANA Partners Management, LP

JANA Partners Management, LP has 12 stocks in it's portfolio. LW proved to be the most loss making stock for the portfolio. COO was the most profitable stock for JANA Partners Management, LP last quarter.

Last Reported on: 17 Feb, 2026
TickerNamesorted ascending% PortfolioShares Held$ ValueType% ChangeOptions