Atlas Venture Advisors, Inc.
In its 13F for Q4 2025 (holdings as of December 31, 2025, filed January 29, 2026), Atlas Venture Advisors, Inc. reported 3 stock positions worth $191.6 million. Its top holding was Draftkings Class A (DKNG) at 95.7% of the portfolio, followed by Roku (ROKU, 3.3%) and Snap Class A (SNAP, 1.0%). Compared with Q3 2025, it sold out of 1. The biggest sale was an exit from Integral Ad Science (IAS).
- Most Recent 13F
- Q2 2026
- Location
- BOSTON, MA
- CIK
- 0001767432
- Portfolio Value
- $191.6M (Q4 2025)
- SEC Filing
- 0001104659-26-007932 ↗ filed Jan 29, 2026
Holdings Value
Holdings 3 stocks · $191.6M
Portfolio Sells Q3 2025 → Q4 2025
| IAS Integral Ad Science Holding | Sold out | 0.00% | −52.79 |
Portfolio Buys Q3 2025 → Q4 2025
| None this quarter. | |||
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 3 | $143.4M | DKNG, ROKU, SNAP |
| Q1 2026 | 3 | $121.6M | DKNG, ROKU, SNAP |
| Q4 2025 | 3 | $191.6M | DKNG, ROKU, SNAP |
| Q3 2025 | 4 | $437.7M | IAS, DKNG, ROKU, SNAP |
| Q2 2025 | 4 | $424.2M | DKNG, IAS, ROKU, SNAP |
| Q1 2025 | 4 | $366.0M | IAS, DKNG, ROKU, SNAP |
| Q4 2024 | 4 | $463.4M | IAS, DKNG, ROKU, SNAP |
| Q3 2024 | 5 | $484.4M | IAS, DKNG, ROKU, SNAP, LRMR |
| Q2 2024 | 5 | $454.6M | DKNG, IAS, SNAP, ROKU, LRMR |
| Q1 2024 | 5 | $502.6M | DKNG, IAS, ROKU, SNAP, LRMR |