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Pivotal bioVenture Partners Investment Advisor LLC

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13F filer, CIK 1844645, SAN FRANCISCO, CA

Pivotal bioVenture Partners Investment Advisor LLC reported $123,562,016 across 11 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-14. Its ten largest share positions make up 99.39% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001012975-25-000233

Period
2025-03-31
Reported value
$124M
Holdings
11
Top 10 weight
99.39%
New
0
Sold out
0

Part of the filer group Pivotal bioVenture Partners Investment Advisor LLC

How groups are built

Largest buys vs the previous quarter

SecurityShares changeApprox. value
OCSadded+563,078$10.7M
PCVXadded+6,900$261K

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.

Largest sells vs the previous quarter

None.

Holdings, Q1 2025

Share positions as resolved from 13F-HR 0001012975-25-000233, largest first. % of portfolio is the value over $123,562,016, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
OCSOCULIS HOLDING AGQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,595,918 shares; 2024Q4: 1,737,696 shares; 2025Q1: 2,300,774 shares 2,300,774$43.8M35.43%+563,078Timeline
ARQTARCUTIS BIOTHERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,120,508 shares; 2024Q4: 2,120,508 shares; 2025Q1: 2,120,508 shares 2,120,508$33.2M26.84%0Timeline
PCVXVAXCYTE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 639,539 shares; 2024Q4: 703,834 shares; 2025Q1: 710,734 shares 710,734$26.8M21.72%+6,900Timeline
ZBIOZENAS BIOPHARMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 650,695 shares; 2024Q4: 736,645 shares; 2025Q1: 736,645 shares 736,645$5.82M4.71%0Timeline
INOZYME PHARMA INCINOZYME PHARMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,494,851 shares; 2024Q4: 4,494,851 shares; 2025Q1: 4,494,851 shares 4,494,851$4.09M3.31%0
RXRXRECURSION PHARMACEUTICALS INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 595,518 shares; 2025Q1: 595,518 shares 595,518$3.15M2.55%0Timeline
BIOABIOAGE LABS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 527,647 shares; 2024Q4: 653,374 shares; 2025Q1: 653,374 shares 653,374$2.46M1.99%0Timeline
RALLYBIO CORPRALLYBIO CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,404,644 shares; 2024Q4: 2,404,644 shares; 2025Q1: 2,404,644 shares 2,404,644$1.56M1.26%0
VIGIL NEUROSCIENCE INCVIGIL NEUROSCIENCE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 560,595 shares; 2024Q4: 560,595 shares; 2025Q1: 560,595 shares 560,595$998K0.81%0
IOBTQIO BIOTECH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 864,197 shares; 2024Q4: 864,197 shares; 2025Q1: 864,197 shares 864,197$942K0.76%0Timeline
BOLT BIOTHERAPEUTICS INCBOLT BIOTHERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,891,467 shares; 2024Q4: 1,891,467 shares; 2025Q1: 1,891,467 shares 1,891,467$757K0.61%0

How Q1 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 0001012975-25-000233 base2025-05-14acceptance time not in the bulk data set