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Atlas Venture Advisors, Inc.

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13F filer, CIK 1767432, BOSTON, MA

Atlas Venture Advisors, Inc. reported $437,725,021 across 4 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-10-30.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001104659-25-104152

Period
2025-09-30
Reported value
$438M
Holdings
4
Top 10 weight
100%
New
0
Sold out
0

Part of the filer group Atlas Venture Advisors, Inc.

How groups are built

Holdings, Q3 2025

Share positions as resolved from 13F-HR 0001104659-25-104152, largest first. % of portfolio is the value over $437,725,021, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
INTEGRAL AD SCIENCE HLDNG COINTEGRAL AD SCIENCE HLDNG COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 22,722,770 shares; 2024Q4: 22,722,770 shares; 2025Q1: 22,722,770 shares; 2025Q2: 22,722,770 shares; 2025Q3: 22,722,770 shares 22,722,770$231M52.79%0
DKNGDRAFTKINGS INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 5,894,409 shares; 2024Q4: 5,894,409 shares; 2025Q1: 5,319,866 shares; 2025Q2: 5,319,866 shares; 2025Q3: 5,319,866 shares 5,319,866$199M45.45%0Timeline
ROKUROKU INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 57,707 shares; 2024Q4: 57,707 shares; 2025Q1: 57,707 shares; 2025Q2: 57,707 shares; 2025Q3: 57,707 shares 57,707$5.78M1.32%0Timeline
SNAPSNAP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 245,559 shares; 2024Q4: 245,559 shares; 2025Q1: 245,559 shares; 2025Q2: 245,559 shares; 2025Q3: 245,559 shares 245,559$1.89M0.43%0Timeline

How Q3 2025 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 0001104659-25-104152 base2025-10-30acceptance time not in the bulk data set