Founders Fund V Management, LLC

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 15, 2025), Founders Fund V Management, LLC reported 3 stock positions worth $1.1 million. Its top holding was Rigetti Computing (RGTI) at 65.6% of the portfolio, followed by Rafael Class B (RFL, 29.6%) and Unity Biotechnology (UNBX, 4.8%). Compared with Q4 2024, it opened 1 new position and sold out of 1. The biggest buy was a new position in Rafael Class B (RFL) and the biggest sale an exit from Cyclo Therapeutics (CYTH).

Most Recent 13F
Q4 2025
Location
SAN FRANCISCO, CA
CIK
0001697733
Portfolio Value
$1.1M (Q1 2025)
SEC Filing
0001085146-25-003331 ↗ filed May 15, 2025

Holdings Value

0$1.0M$2.0M$3.0M Q1 2024: $1.1M Q1 2024 Q2 2024: $846K Q2 2024 Q3 2024: $572K Q3 2024 Q4 2024: $1.7M Q4 2024 Q1 2025: $1.1M $1.1M Q1 2025 Q2 2025: $1.4M Q2 2025 Q3 2025: $2.9M Q3 2025 Q4 2025: $2.2M Q4 2025

Holdings 3 stocks · $1.1M

RGTI Rigetti Computing Inc. 65.60% 88,621 $702K No change
RFL Rafael Holdings Inc. Class B 29.62% 169,451 $317K New
UNBX Unity Biotechnology Inc. 4.78% 49,172 $51K No change

Portfolio Sells Q4 2024 → Q1 2025

CYTH Cyclo Therapeutics Inc. Sold out 0.00% −16.84

Portfolio Buys Q4 2024 → Q1 2025

RFL Rafael Holdings Inc. Class B New 29.62% +29.62

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q4 2025 2$2.2MRGTI, RFL
Q3 2025 2$2.9MRGTI, RFL
Q2 2025 4$1.4MRGTI, RFL, UNBX, PRCH
Q1 2025 3$1.1MRGTI, RFL, UNBX
Q4 2024 3$1.7MRGTI, CYTH, UNBX
Q3 2024Amended 4$572KCYTH, UNBX, RGTI, NTBLQ
Q2 2024 4$846KCYTH, RGTI, NTBLQ, UNBX
Q1 2024 4$1.1MCYTH, NVMI, RGTI, UNBX