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Blue Harbour Group, L.P.

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13F filer, CIK 1325256, GREENWICH, CT

Blue Harbour Group, L.P. reported $1,707,798,000 across 14 holdings for the quarter ended 2019-03-31, in a 13F-HR filed 2019-05-15. Its ten largest share positions make up 93.29% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001567619-19-011190

Period
2019-03-31
Reported value
$1.71B
Holdings
14
Top 10 weight
93.29%
New
0
Sold out
2

Largest buys vs the previous quarter

SecurityShares changeApprox. value
MGMadded+1,532,516$39.3M
PENNadded+812,575$16.3M
WCCadded+305,600$16.2M
GENESEE & WYOMING INCadded+172,290$15M
MSGSadded+8,000$2.35M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
XILINX INCexited-2,149,533-$183M
MDreduced-3,220,916-$87.5M
JACKreduced-500,000-$40.5M
OTEXreduced-870,000-$33.4M
ONreduced-1,418,911-$29.2M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2019

Share positions as resolved from 13F-HR 0001567619-19-011190, largest first. % of portfolio is the value over $1,707,798,000, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
OTEXOPEN TEXT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 9,855,331 shares; 2019Q1: 8,985,331 shares 8,985,331$345M20.22%-870,000Timeline
INVESTORS BANCORP, INC.INVESTORS BANCORP, INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 28,458,628 shares; 2019Q1: 27,908,628 shares 27,908,628$331M19.37%-550,000
WCCWESCO INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 3,684,895 shares; 2019Q1: 3,990,495 shares 3,990,495$212M12.39%+305,600Timeline
GENESEE & WYOMING INCGENESEE & WYOMING INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 1,603,644 shares; 2019Q1: 1,775,934 shares 1,775,934$155M9.06%+172,290
MSGSMADISON SQUARE GRDN SPRT CORQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 440,100 shares; 2019Q1: 448,100 shares 448,100$131M7.69%+8,000Timeline
JACKJACK IN THE BOX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 2,104,847 shares; 2019Q1: 1,604,847 shares 1,604,847$130M7.62%-500,000Timeline
ADNTADIENT PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 6,550,490 shares; 2019Q1: 6,550,490 shares 6,550,490$84.9M4.97%0Timeline
ONON SEMICONDUCTOR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 5,400,129 shares; 2019Q1: 3,981,218 shares 3,981,218$81.9M4.8%-1,418,911Timeline
MGMMGM RESORTS INTERNATIONALQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 890,000 shares; 2019Q1: 2,422,516 shares 2,422,516$62.2M3.64%+1,532,516Timeline
PENNPENN ENTERTAINMENT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 2,196,500 shares; 2019Q1: 3,009,075 shares 3,009,075$60.5M3.54%+812,575Timeline
MDPEDIATRIX MEDICAL GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 4,603,916 shares; 2019Q1: 1,383,000 shares 1,383,000$37.6M2.2%-3,220,916Timeline
ZYNGA INC.ZYNGA INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 6,053,000 shares; 2019Q1: 6,470,500 shares 6,470,500$34.5M2.02%+417,500
BYDBOYD GAMING CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 1,615,000 shares; 2019Q1: 1,076,000 shares 1,076,000$29.4M1.72%-539,000Timeline
ITTITT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: restricted; 2018Q2: restricted; 2018Q3: restricted; 2018Q4: 226,000 shares; 2019Q1: 226,000 shares 226,000$13.1M0.77%0Timeline

Sold out in Q1 2019

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
XILINX INCXILINX INC2,149,533$183Mshares
IWMISHARES TR202,200$27.1Mshares

How Q1 2019 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001567619-19-011190 base2019-05-15acceptance time not in the bulk data set