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Founders Fund V Management, LLC

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13F filer, CIK 1697733, SAN FRANCISCO, CA

Founders Fund V Management, LLC reported $2,870,473 across 2 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-11-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001697733-25-000003

Period
2025-09-30
Reported value
$2.87M
Holdings
2
Top 10 weight
100%
New
0
Sold out
2

Part of the filer group Founders Fund Growth II Management, LP

How groups are built

Largest buys vs the previous quarter

None.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
UNITY BIOTECHNOLOGY INC COM…exited-49,172-$18.7K
PRCHexited-853-$10.1K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q3 2025

Share positions as resolved from 13F-HR 0001697733-25-000003, largest first. % of portfolio is the value over $2,870,473, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
RGTIRIGETTI COMPUTING INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: 88,621 shares; 2024Q2: 88,621 shares; 2024Q3: 88,621 shares; 2024Q4: 88,621 shares; 2025Q1: 88,621 shares; 2025Q2: 88,621 shares; 2025Q3: 88,621 shares 88,621$2.64M91.97%0Timeline
RFLRAFAEL HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 169,451 shares; 2025Q2: 169,451 shares; 2025Q3: 169,451 shares 169,451$230K8.03%0Timeline

Sold out in Q3 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
UNITY BIOTECHNOLOGY INC COM…UNITY BIOTECHNOLOGY INC COM NEW49,172$18.7Kshares
PRCHPORCH GROUP INC853$10.1Kshares

How Q3 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001697733-25-000003 base2025-11-14acceptance time not in the bulk data set