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JANA Partners Management Portfolio holdings

AUM $1.67B
1-Year Est. Return 1.66%
This Fund
S&P 500
This Quarter Est. Return
-4.44%
1 Year Est. Return
+1.66%
3 Year Est. Return
–
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$1.92B
AUM Growth
-$144M
Cap. Flow
-$46.6M
Cap. Flow %
-2.42%
Top 10 Hldgs %
97.23%
Holding
13
New
1
Increased
5
Reduced
4
Closed
1

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$188M
2
COO icon
Cooper Companies
COO
+$81.2M
3
ALKT icon
Alkami Technology
ALKT
+$66.2M
4
RPD icon
Rapid7
RPD
+$3.98M
5
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$3.18M

Top Sells

Rank Stock Value
1
TRMB icon
Trimble
TRMB
+$154M
2
MKL icon
Markel Group
MKL
+$134M
3
MRCY icon
Mercury Systems
MRCY
+$74.4M
4
FRPT icon
Freshpet
FRPT
+$27.8M
5
EHAB
Enhabit
EHAB
+$405K

Sector Composition

Rank Sector Weight
1 Consumer Staples 19.83%
2 Technology 19.06%
3 Industrials 18.84%
4 Healthcare 16.01%
5 Financials 9.08%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MRCY icon
1
Mercury Systems
MRCY
$5.77B
$362M 18.84%
4,959,481
-1,000,000
-17% -$74.4M
COO icon
2
Cooper Companies
COO
$14B
$288M 15.01%
3,519,620
+1,085,013
+45% +$81.2M
SPY icon
3
State Street SPDR S&P 500 ETF Trust
SPY
$774B
$267M 13.89%
391,337
+4,700
+1% +$3.18M
LW icon
4
Lamb Weston
LW
$6.46B
$210M 10.92%
5,008,635
– –
MKL icon
5
Markel Group
MKL
$24.7B
$175M 9.08%
81,219
-66,192
-45% -$134M
FISV
6
Fiserv Inc
FISV
$27B
$151M 7.85%
+2,245,520
New +$188M
THS
7
DELISTED
Treehouse Foods
THS
$137M 7.15%
5,821,337
– –
ALKT icon
8
Alkami Technology
ALKT
$1.92B
$113M 5.88%
4,894,665
+3,002,252
+159% +$66.2M
RPD icon
9
Rapid7
RPD
$815M
$103M 5.33%
6,743,653
+241,545
+4% +$3.98M
FUN icon
10
Cedar Fair
FUN
$1.79B
$63.1M 3.29%
4,116,099
+66,159
+2% +$1.2M
FRPT icon
11
Freshpet
FRPT
$2.78B
$34M 1.77%
557,390
-490,746
-47% -$27.8M
EHAB
12
DELISTED
Enhabit
EHAB
$19.3M 1%
2,090,412
-46,733
-2% -$405K
TRMB icon
13
Trimble
TRMB
$12.3B
– –
-1,881,399
Closed -$154M

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JANA Partners Management's Q4 2025 Portfolio in Review

As of Q4 2025, JANA Partners Management held 13 positions worth $1.92B, down 7% from $2.07B the previous quarter. Its ten largest holdings account for 97% of the portfolio.

JANA Partners Management's Q4 2025 filing shows 1 new, 5 increased, 4 reduced and 1 closed positions. Its largest new stake was Fiserv Inc: 2,245,520 shares worth $151M. The largest sale was Trimble, an estimated $154M.

By sector, the portfolio is most concentrated in Consumer Staples at 20% of assets, down from 23% a quarter earlier, followed by Technology and Industrials.

  • JANA Partners Management's largest Q4 2025 buy was Fiserv Inc: 2,245,520 shares worth $151M.
  • JANA Partners Management added most to Cooper Companies in Q4 2025, an estimated $81.2M increase.
  • JANA Partners Management's biggest Q4 2025 reduction was Markel Group, cutting an estimated $134M.
  • JANA Partners Management fully exited Trimble in Q4 2025, selling an estimated $154M.
  • JANA Partners Management's ten largest holdings make up 97% of its $1.92B portfolio in Q4 2025.
  • JANA Partners Management opened 1 new position and closed 1 in Q4 2025.
  • JANA Partners Management's portfolio value fell 7% quarter-over-quarter to $1.92B.

Based on JANA Partners Management's 13F filing for Q4 2025, filed 17 Feb 2026.