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Super Investors Atlas Venture Advisors, Inc.
AV

Atlas Venture Advisors, Inc.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$111M
Positions
3
Quarter ended
September 30, 2026
Filed
October 28, 2026

Reported portfolio value by quarter (32 quarters reported)

$963M $66.2M
Q4 18 Q3 20 Q2 22 Q1 24 Q4 25 Q3 26

$189M in Q4 2018 → $111M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Draftkings Inc 90.9% Unchanged 5,319,866 $101M
Roku Inc 7.9% Unchanged 57,707 $8.79M
Snap Inc 1.2% Unchanged 245,559 $1.33M

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 28, 2026

No position changes this quarter.

Q2 2026

quarter ended June 30, 2026 · filed July 28, 2026

No position changes this quarter.

Q1 2026

quarter ended March 31, 2026 · filed May 01, 2026

No position changes this quarter.

Q4 2025

quarter ended December 31, 2025 · filed January 29, 2026

Company Action Shares changed Value of change % of portfolio
IA Integral Ad Science Hldng Co Exited −22,722,770 −$231M —

Q3 2025

quarter ended September 30, 2025 · filed October 30, 2025

No position changes this quarter.

Q2 2025

quarter ended June 30, 2025 · filed July 25, 2025

No position changes this quarter.

Q1 2025

quarter ended March 31, 2025 · filed May 08, 2025

Company Action Shares changed Value of change % of portfolio
Draftkings Inc Trimmed −574,543 −$19.1M 48.3%

Q4 2024

quarter ended December 31, 2024 · filed February 11, 2025

Company Action Shares changed Value of change % of portfolio
Larimar Therapeutics Inc Exited −112,184 −$735K —

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