a16z Capital Management, L.L.C.: NAUTILUS BIOTECHNOLOGY INC (NAUT): Quarterly 13F Position History
As of Q1 2026, a16z Capital Management, L.L.C. reported 17,653,917 shares of NAUTILUS BIOTECHNOLOGY INC (NAUT), worth $68.5M and representing 5.3% of its 13F equity book. The position first appeared in Q4 2023 and has been disclosed across 10 13F-HR filings in Pactolio's tracked window.
- 17,653,917Shares Held (Latest Filing)
- $68.5MReported Market Value (Latest Filing)
- 5.3%Portfolio Weight (% of 13F Equity Book)
- 0Quarter-over-Quarter Share Change
- +$34.1MQuarter-over-Quarter Value Change
- 17,653,917Peak Reported Shares (Historical)
Quarterly 13F-HR Disclosure History Source: SEC 13F-HR filings, 10 quarter s
| Quarter | Shares | QoQ Share Change | Share Change (%) | Market Value | Weight | Implied Price |
|---|---|---|---|---|---|---|
| Q1 2026 | 17,653,917 | 0 | — | $68.5M | 5.3% | $3.9 |
| Q4 2025 | 17,653,917 | 0 | — | $34.4M | 2.2% | $1.9 |
| Q3 2025 | 17,653,917 | 0 | — | $14.9M | 1.1% | $0.8 |
| Q2 2025 | 17,653,917 | 0 | — | $12.8M | 4.1% | $0.7 |
| Q1 2025 | 17,653,917 | 0 | — | $15.2M | 2.2% | $0.9 |
| Q4 2024 | 17,653,917 | 0 | — | $29.7M | 4.0% | $1.7 |
| Q3 2024 | 17,653,917 | 0 | — | $50.3M | 4.4% | $2.9 |
| Q2 2024 | 17,653,917 | 0 | — | $41.3M | 3.5% | $2.3 |
| Q1 2024 | 17,653,917 | 0 | — | $51.9M | 3.8% | $2.9 |
| Q4 2023 | 17,653,917 | — | — | $52.8M | 3.5% | $3.0 |
Methodology & FAQ
How This Position History Is Sourced
Each row is one SEC Form 13F-HR filing disclosing this position. Share count, market value, and reported quarter are taken verbatim from the filing; portfolio weight is recomputed against the same filing's total reported equity book. Implied price-per-share is market value divided by shares — a quarter-end mark, not the manager's cost basis. See the full methodology document for the normalization rules.
When did a16z Capital Management, L.L.C. first disclose a NAUT position in 13F-HR filings?
a16z Capital Management, L.L.C. first reported NAUTILUS BIOTECHNOLOGY INC (NAUT) on its 13F-HR filing for the period ending 2023-12-31 (Q4 2023). The position has appeared on 10 reported quarters within Pactolio's tracked window.
What was a16z Capital Management, L.L.C.'s most recent quarter-over-quarter share-count change in NAUT?
a16z Capital Management, L.L.C. held the same 17,653,917 shares of NAUT between Q4 2025 and Q1 2026 — the reported share count was unchanged quarter-over-quarter.
Does the implied price-per-share represent a16z Capital Management, L.L.C.'s cost basis in NAUT?
No. The implied price-per-share column is the 13F-HR reported market value divided by reported share count on the filing date (end of quarter). It is a quarter-end mark, not a cost basis or transaction price. Use it as a sanity check on the value column, not as an indicator of the manager's entry or exit price.