Atlas Venture Advisors, Inc.

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 13, 2024), Atlas Venture Advisors, Inc. reported 5 stock positions worth $502.6 million. Its top holding was Draftkings Class A (DKNG) at 53.3% of the portfolio, followed by Integral Ad Science (IAS, 45.1%) and Roku (ROKU, 0.7%). Compared with Q4 2023, it reduced 2. The biggest sale was Larimar Therapeutics (LRMR, shares −21%).

Most Recent 13F
Q2 2026
Location
BOSTON, MA
CIK
0001767432
Portfolio Value
$502.6M (Q1 2024)
SEC Filing
0001104659-24-060346 ↗ filed May 13, 2024

Holdings Value

0$200.0M$400.0M$600.0M Q1 2024: $502.6M $502.6M Q1 2024 Q2 2024: $454.6M Q2 2024 Q3 2024: $484.4M Q3 2024 Q4 2024: $463.4M Q4 2024 Q1 2025: $366.0M Q1 2025 Q2 2025: $424.2M Q2 2025 Q3 2025: $437.7M Q3 2025 Q4 2025: $191.6M Q4 2025 Q1 2026: $121.6M Q1 2026 Q2 2026: $143.4M Q2 2026

Holdings 5 stocks · $502.6M

DKNG Draftkings Inc. Class A 53.26% 5,894,409 $267.7M Reduce -10.1%
IAS Integral Ad Science Holding 45.08% 22,722,770 $226.5M No change
ROKU Roku Inc. 0.75% 57,707 $3.8M No change
SNAP Snap Inc. Class A 0.56% 245,559 $2.8M No change
LRMR Larimar Therapeutics Inc. 0.35% 232,184 $1.8M Reduce -20.5%

Portfolio Sells Q4 2023 → Q1 2024

LRMR Larimar Therapeutics Inc. Reduce -20.5% 0.35% +0.12
DKNG Draftkings Inc. Class A Reduce -10.1% 53.26% +12.64

Portfolio Buys Q4 2023 → Q1 2024

None this quarter.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 3$143.4MDKNG, ROKU, SNAP
Q1 2026 3$121.6MDKNG, ROKU, SNAP
Q4 2025 3$191.6MDKNG, ROKU, SNAP
Q3 2025 4$437.7MIAS, DKNG, ROKU, SNAP
Q2 2025 4$424.2MDKNG, IAS, ROKU, SNAP
Q1 2025 4$366.0MIAS, DKNG, ROKU, SNAP
Q4 2024 4$463.4MIAS, DKNG, ROKU, SNAP
Q3 2024 5$484.4MIAS, DKNG, ROKU, SNAP, LRMR
Q2 2024 5$454.6MDKNG, IAS, SNAP, ROKU, LRMR
Q1 2024 5$502.6MDKNG, IAS, ROKU, SNAP, LRMR