13FBOX
JANA Partners Management, LP · 13F Holdings
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JANA Partners Management, LP

No.1816 Data as of 2026Q2
Latest AUM (Q2 2026)
$1.90B
QoQ Change Q1 2026
+$296.3M+18.5%
Holdings
10
New Buys
1
Adds
5
Reduces
3
Exits
1
Unchanged
1
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
MMERCURY SYS INCMRCY
25.46%18.65%$484.3M4.0M$299.5M4.1M-148,575-3.62%Reduce
COOPER COS INCCOO
13.5%15.87%$256.9M3.6M$254.9M3.6M+17,322+0.49%Add
SSTATE STR SPDR S&P 500 ETF TSPY
13.46%13.92%$256.1M342,965$223.5M343,665-700-0.20%Reduce
LLAMB WESTON HLDGS INCLW
12.25%13.18%$232.9M5.4M$211.7M5.0M+386,000+7.71%Add
FFISERV INCFISV
9.44%15.41%$179.6M3.7M$247.5M4.4M-773,525-17.44%Reduce
Markel Group Inc.MKL
7.88%8.98%$149.9M76,743$144.1M75,307+1,436+1.91%Add
ALKAMI TECHNOLOGY INCALKT
6.43%5.3%$122.3M6.7M$85.1M5.4M+1.3M+24.24%Add
SSIX FLAGS ENTERTAINMENT CORPFUN
4.61%4.55%$87.7M4.1M$73.1M4.1M00.00%Unchanged
EEVERPURE INC CL AEVPR
4.1%$77.9M989,196$00+989,196New Buy
RRAPID7 INCRPD
2.87%2.31%$54.7M6.7M$37.2M6.7M+6,283+0.09%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow