JANA Partners Management, LP

CIK 0001998597 · Q2 2026

13F Equity AUM

$1.9B

+18.4% QoQ

Positions

0 QoQ

AUM Rank

#1,600

Top 18%

Skill Alpha (FF)

-11.8%/yr^ns

No Clear Edge

Rank #8,128 · Top 98%

vs S&P -5.4%/yr (unadj.)

Quarters Tracked

~3 years

Portfolio Concentration

Top 5: 74.1%Top 10: 100.0%Top 20: 100.0%

MRCY25.5%

COO13.5%

SPY13.5%

LW12.3%

FISV9.4%

MKL7.9%

ALKT6.4%

FUN4.6%

PSTG4.1%

RPD2.9%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Industrials25.5%

Technology22.8%

Financial Services21.3%

Healthcare13.5%

Consumer Defensive12.3%

Consumer Cyclical4.6%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 10Median: 8.66%Avg: 10.00%

0–0.5%

0(0.0%)

0.5–1%

0(0.0%)

1–3%

1(2.9%)

3–5%

2(8.7%)

5%+

7(88.4%)

Count of positions per weight bucket — (%) = combined portfolio weight

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Portfolio Overlap

Shared: 0Unique: 10vs 20 funds

0%Low

Fund positions

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

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Position Changes This Quarter

New1Increased5Decreased3Exited1

New Positions

PSTG4.1%

+989K

Increased

ALKT6.4%

+1.3M(+24%)

LW12.3%

+386K(+8%)

COO13.5%

+17K(+0%)

RPD2.9%

+6K(+0%)

MKL7.9%

+1K(+2%)

Decreased

FISV9.4%

-773,525(-17%)

MRCY25.5%

-148,575(-4%)

SPY13.5%

-700(-0%)

Exited

EHAB

-2,090,412

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

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Holdings

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