Founders Fund V Management, LLC
In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 17, 2026), Founders Fund V Management, LLC reported 2 stock positions worth $2.2 million. Its top holding was Rigetti Computing (RGTI) at 90.8% of the portfolio, followed by Rafael Class B (RFL, 9.2%). Its holdings were unchanged from Q3 2025.
- Most Recent 13F
- Q4 2025
- Location
- SAN FRANCISCO, CA
- CIK
- 0001697733
- Portfolio Value
- $2.2M (Q4 2025)
- SEC Filing
- 0001697733-26-000001 ↗ filed Feb 17, 2026
Holdings Value
Holdings 2 stocks · $2.2M
Portfolio Sells Q3 2025 → Q4 2025
| None this quarter. | |||
Portfolio Buys Q3 2025 → Q4 2025
| None this quarter. | |||
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q4 2025 | 2 | $2.2M | RGTI, RFL |
| Q3 2025 | 2 | $2.9M | RGTI, RFL |
| Q2 2025 | 4 | $1.4M | RGTI, RFL, UNBX, PRCH |
| Q1 2025 | 3 | $1.1M | RGTI, RFL, UNBX |
| Q4 2024 | 3 | $1.7M | RGTI, CYTH, UNBX |
| Q3 2024Amended | 4 | $572K | CYTH, UNBX, RGTI, NTBLQ |
| Q2 2024 | 4 | $846K | CYTH, RGTI, NTBLQ, UNBX |
| Q1 2024 | 4 | $1.1M | CYTH, NVMI, RGTI, UNBX |