JAJANA Partners Management, LP

Institutional investor · Portfolio as of Q4 2025

Top Holdings12 positions

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Activity:

MERCURY SYS INC

5M$362.1M18.8%$35.18+107.54%
10 qtrssince 2023-Q3
Decreased
0

COOPER COS INC

3.5M$288.5M15.0%$72.69+12.75%
2 qtrssince 2025-Q3
Increased
84
SPYSPY
Unit

STATE STR SPDR S&P 500 ETF T

391,337$266.9M13.9%$478.57+41.39%
10 qtrssince 2023-Q3
Increased
63

LAMB WESTON HLDGS INC

5M$209.8M10.9%$61.22-33.23%
6 qtrssince 2024-Q3
Unchanged
0

MARKEL GROUP INC

81,219$174.6M9.1%$1,769.51+21.48%
5 qtrssince 2024-Q4
Decreased
0

FISERV INC

2.2M$150.8M7.8%$67.170.00%
1 qtr
New
97
THSTHSDelisted

TREEHOUSE FOODS INC

5.8M$137.3M7.1%——
10 qtrssince 2023-Q3
Unchanged
0

ALKAMI TECHNOLOGY INC

4.9M$112.9M5.9%$23.75-2.88%
2 qtrssince 2025-Q3
Increased
97

RAPID7 INC

6.7M$102.5M5.3%$33.08-54.04%
7 qtrssince 2024-Q2
Increased
63

SIX FLAGS ENTERTAINMENT CORP

4.1M$63.1M3.3%$22.60-32.13%
2 qtrssince 2025-Q3
Increased
58

FRESHPET INC

557,390$34M1.8%$78.12-24.52%
4 qtrssince 2025-Q1
Decreased
0
EHABEHABDelisted

ENHABIT INC

2.1M$19.3M1.0%——
10 qtrssince 2023-Q3
Decreased
0
$1.9B
AUM
12
Positions
Q4 2025
Filing
HI score · 2.0/5
Quarterly 13F Value Change
+13%Q3'24$1.9B+6%Q4'24$2B-5%Q1'25$1.9B+3%Q2'25$2B+4%Q3'25$2.1B-7%Q4'25$1.9B
Activity profile
$ moved · Q4'25
New19%Increased31%Decreased30%Exited20%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 1.3 years
<1Q8%1-4Q25%1-2Y25%2Y+42%

JANA Partners Management, LP manages $1.9B across 12 positions as of Q4 2025. Top holdings: MRCY (18.8%), COO (15.0%), SPY (13.9%). Fund DNA: Concentrated Value. HoldingsIntel Score: 2/5.0.

Q4 2025 Summary

Added 1 new position, exited 1, increased 5, trimmed 4. Top move: FISV (NEW, conviction 97). Portfolio: $1.9B across 12 positions.

Top holdings by portfolio weight

Total AUM$2B
MRCY18.84%
COO15.01%
SPY13.89%
LW10.92%
MKL9.08%
FISV7.85%
THS7.15%
ALKT5.88%
RPD5.33%
FUN3.29%
Other1.77%

Portfolio allocation by GICS sector

Sectors7
Unknown21.73%
Consumer Defensive19.83%
Industrials18.84%
Healthcare16.01%
Technology11.21%
Financial Services9.08%
Consumer Cyclical3.29%

Behavioral investing profile

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Concentrated Value- primarily Unknown, Consumer Defensive, Industrials
Compare DNA across all funds
7-dimension, SEC 13F-derived research score
Below Average(2.0 / 5.0)
Holdings P&L38
Conviction54
Concentration100
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Position Outcomes

Best and worst performing positions by estimated return

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

Similar Funds

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Accumulation Streaks

Positions with 2+ consecutive quarters of increases - persistent directional conviction.

Security
3Q
ALKTALKTALKAMI TECHNOLOGY INC
Q4 2025 → Q2 2026+4.9M shares+$75.3M
3Q
COOCOOCOOPER COS INC
Q4 2025 → Q2 2026+1.1M shares+$90M
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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

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