2026 Q2 Portfolio Activity
In 2026 Q2, JANA Partners Management, LP maintained a portfolio of 11 distinct positions. The most significant new addition was EVERPURE INC, now representing 4.10% of the total fund value. They heavily accumulated shares in ALKAMI TECHNOLOGY INC, increasing the position by 24.2%. Conversely, JANA Partners Management, LP completely exited their position in ENHABIT INC.
Position History
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Total Positions
11
Quarter
2026 Q2
Top Holding
MRCY (25.5%)
Top 10 Concentration
100.0%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-11 of 11
JANA Partners Management, LP Full Holdings List — 2026 Q2
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MRCY
MERCURY SYS INC
|
Industrials | 25.46% | 18.65% |
#1
Prev: #1
|
6.5 |
—
|
-148,575 | -3.6% |
P
S
|
3,958,849 | $484,285,998 | 2023 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
COO
COOPER COS INC
|
Healthcare | 13.50% | 15.87% |
#2
Prev: #2
|
6.0 |
—
|
17,322 | 0.5% |
P
S
|
3,582,480 | $256,899,641 | 2025 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
SPY
STATE STR SPDR ...
|
ETF | 13.46% | 13.92% |
#3
1
Prev: #4
|
5.5 |
—
|
-700 | -0.2% |
P
S
|
342,965 | $256,115,973 | 2023 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
LW
LAMB WESTON HLD...
|
Consumer Defensive | 12.25% | 13.18% |
#4
1
Prev: #5
|
6.5 |
—
|
386,000 | 7.7% |
P
S
|
5,394,635 | $232,940,339 | 2024 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
FISV
FISERV INC
|
Unknown | 9.44% | 15.41% |
#5
2
Prev: #3
|
4.8 |
—
|
-773,525 | -17.4% |
P
S
|
3,662,080 | $179,625,024 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
MKL
MARKEL GROUP IN...
|
Financial Services | 7.88% | 8.98% |
#6
Prev: #6
|
3.7 |
—
|
1,436 | 1.9% |
P
S
|
76,743 | $149,879,846 | 2024 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
ALKT
ALKAMI TECHNOLO...
|
Technology | 6.43% | 5.30% |
#7
Prev: #7
|
5.1 |
—
|
1,316,319 | 24.2% |
P
S
|
6,747,707 | $122,268,451 | 2025 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
FUN
SIX FLAGS ENTER...
|
Consumer Cyclical | 4.61% | 4.55% |
#8
Prev: #8
|
2.8 |
—
|
no change | no change |
P
S
|
4,116,099 | $87,672,909 | 2025 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
PSTG
EVERPURE INC
|
Technology | 4.10% | — |
#9
Prev: #—
|
5.1 |
—
|
989,196 | — |
NEW
|
989,196 | $77,938,753 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
RPD
RAPID7 INC
|
Technology | 2.87% | 2.31% |
#10
1
Prev: #9
|
1.6 |
—
|
6,283 | 0.1% |
P
S
|
6,749,936 | $54,674,482 | 2024 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
EHAB
ENHABIT INC
|
Healthcare | 0.00% | 1.83% |
Sold All 😨
(Was: #10) |
0.0 |
—
|
-2,090,412 | -100.0% |
CLOSED
|
— | $— | 2023 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 |
Showing 1-11 of 11 holdings