JANA Partners

Latest 13F portfolio for 2026-06-30. SEC filing 0000902664-26-003486

TickerIssuerWeightValue
MRCY
589378108
MERCURY SYS INC25.46%$484.3M
COO
216648501
COOPER COS INC13.50%$256.9M
SPY
78462F103
STATE STR SPDR S&P 500 ETF T13.46%$256.1M
LW
513272104
LAMB WESTON HLDGS INC12.25%$232.9M
FISV
337738108
FISERV INC9.44%$179.6M
MKL
570535104
MARKEL GROUP INC7.88%$149.9M
ALKT
01644J108
ALKAMI TECHNOLOGY INC6.43%$122.3M
FUN
83001C108
SIX FLAGS ENTERTAINMENT CORP4.61%$87.7M
P
74624M102
EVERPURE INC4.10%$77.9M
RPD
753422104
RAPID7 INC2.87%$54.7M