JANA Partners Management, LP: 13F holdings

CIK 19985972026Q2

Positions10
Reported value$1.9bn
Filed2026-08-14

Top 10 holdings

SecuritySharesValueWeight
MRCY MERCURY SYS INC3,958,849$484.3m25.5%
COO COOPER COS INC3,582,480$256.9m13.5%
SPY STATE STR SPDR S&P 500 ETF T342,965$256.1m13.5%
LW LAMB WESTON HLDGS INC5,394,635$232.9m12.2%
FISV FISERV INC3,662,080$179.6m9.4%
MKL MARKEL GROUP INC76,743$149.9m7.9%
ALKAMI TECHNOLOGY INC6,747,707$122.3m6.4%
SIX FLAGS ENTERTAINMENT CORP4,116,099$87.7m4.6%
P EVERPURE INC989,196$77.9m4.1%
RPD RAPID7 INC6,749,936$54.7m2.9%

Get the full book

import finzdata as yf
yf.Client().manager_holdings(cik="1998597")

Every position, quarter by quarter since 2013, with adds, trims and exits, on the look-back bundles.

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