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Disclosery

EastBay Asset Management, LLC

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13F filer, CIK 1650669, New York, NY

EastBay Asset Management, LLC reported $841,499,000 across 15 holdings for the quarter ended 2018-03-31, in a 13F-HR filed 2018-05-14. Its ten largest share positions make up 92.09% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001650669-18-000004

Period
2018-03-31
Reported value
$841M
Holdings
15
Top 10 weight
92.09%
New
6
Sold out
8

Largest buys vs the previous quarter

SecurityShares changeApprox. value
SNAPnew+2,805,000$44.5M
VIPSnew+2,135,000$35.5M
PAGSnew+913,612$35M
LNWOadded+686,154$28.5M
NYTnew+773,583$18.6M

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
ALTABA INCreduced-405,400-$30M
NBISreduced-740,400-$29.2M
NFLXexited-150,000-$28.8M
58 COM INCexited-363,740-$26M
LIBERTY MEDIA CORP-LIBERTY-Cexited-668,864-$22.8M

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 2018

Share positions as resolved from 13F-HR 0001650669-18-000004, largest first. % of portfolio is the value over $717,261,000, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
LNWOLIGHT & WONDER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 3,441,525 shares 3,441,525$143M19.96%+686,154Timeline
SHUTTERFLY INCSHUTTERFLY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 1,503,037 shares 1,503,037$122M17.03%-280,674
YELPYELP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 2,865,232 shares 2,865,232$120M16.68%+70,738Timeline
LIBERTY MEDIA CORP-BRAVES CLIBERTY MEDIA CORP-BRAVES CQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 1,985,435 shares 1,985,435$45.3M6.32%+225,477
SNAPSNAP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 2,805,000 shares 2,805,000$44.5M6.21%newTimeline
NBISNEBIUS GROUP N.V.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 1,092,739 shares 1,092,739$43.1M6.01%-740,400Timeline
TRUETRUECAR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 4,024,653 shares 4,024,653$38.1M5.31%+135,895Timeline
VIPSVIPSHOP HLDGS LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 2,135,000 shares 2,135,000$35.5M4.95%newTimeline
PAGSPAGSEGURO DIGITAL LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 913,612 shares 913,612$35M4.88%newTimeline
ALTABA INCALTABA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 461,019 shares 461,019$34.1M4.76%-405,400
PANDORA MEDIA INCPANDORA MEDIA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 4,356,175 shares 4,356,175$21.9M3.05%-1,686,731
NYTNEW YORK TIMES CO MTN BEQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 773,583 shares 773,583$18.6M2.6%newTimeline
TWITTER INCTWITTER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 500,000 shares 500,000$14.5M2.02%new
XNETXUNLEI LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2016Q2: restricted; 2016Q3: restricted; 2016Q4: restricted; 2017Q1: restricted; 2017Q2: restricted; 2017Q3: restricted; 2017Q4: restricted; 2018Q1: 163,900 shares 163,900$1.65M0.23%newTimeline

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
LNWOLIGHT & WONDER INC Stockcall2,986,500$124M+1,961,500

Sold out in Q1 2018

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

SecurityShares beforeValue beforeType
PowerShares QQQ Trust Unit …PowerShares QQQ Trust Unit Ser1,300,000$202Mput
YELPYELP INC2,110,000$88.5Mcall
NFLXNETFLIX INC.150,000$28.8Mshares
58 COM INC58 COM INC363,740$26Mshares
LIBERTY MEDIA CORP-LIBERTY-CLIBERTY MEDIA CORP-LIBERTY-C668,864$22.8Mshares
YY INC. ADRYY INC. ADR159,102$18Mshares
WORLD WRESTLING ENTMT INCWORLD WRESTLING ENTMT INC515,809$15.8Mshares
TRIPTRIPADVISOR INC388,203$13.4Mshares

How Q1 2018 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 0001650669-18-000004 base2018-05-14acceptance time not in the bulk data set