Atlas Venture Advisors, Inc. — 13F Holdings & Portfolio

CIK 1767432 · latest 13F-HR filed 2026-05-01

Atlas Venture Advisors, Inc. manages $121.6M in 13F-reported U.S. long-equity assets across 3 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are DKNG (94.58%), ROKU (4.49%), SNAP (0.93%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 0 new positions, exited 0, added to 0, and trimmed 3.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM

$121.6M

Long-equity book

Holdings

3

Distinct positions

Period

2026-03-31

Filed 2026-05-01

Q/Q Activity

+0 / −0 / ↑0 / ↓3

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • No increased positions.
Show all 0

Top Trims

  • DRAFTKINGS INC-$68.3M -37.3%
  • SNAP INC-$852.1K -43.0%
  • ROKU INC-$800.4K -12.8%
Show all 3

New Positions

  • No new positions this quarter.
Show all 0

Exited Positions

  • No exits this quarter.
Show all 0
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 DRAFTKINGS INC DKNG 26142V105 $115.0M 94.58% 5,319,866 SH
2 ROKU INC ROKU 77543R102 $5.5M 4.49% 57,707 SH
3 SNAP INC SNAP 83304A106 $1.1M 0.93% 245,559 SH
Filing History
Period Filed AUM Holdings Accession
2026-03-31 2026-05-01 $121.6M 3 0001104659-26-053643
2025-12-31 2026-01-29 $191.6M 3 0001104659-26-007932