Skip to content
Disclosery

HarbourVest Partners LLC

Follow

13F filer, CIK 1201001, Boston, MA

HarbourVest Partners LLC reported $170,046,136 across 6 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001193125-26-350253

Period
2026-06-30
Reported value
$170M
Holdings
6
Top 10 weight
100%
New
1
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
XNDUnew+2,140,000$25.9M

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, Q2 2026

Share positions as resolved from 13F-HR 0001193125-26-350253, largest first. % of portfolio is the value over $170,046,137, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
KLARKLARNA GROUP PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 5,023,320 shares; 2025Q4: 5,023,320 shares; 2026Q1: 5,023,320 shares; 2026Q2: 5,023,320 shares 5,023,320$102M59.79%0Timeline
GENBGENERATE BIOMEDICINES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 1,722,210 shares; 2026Q2: 1,722,210 shares 1,722,210$29.1M17.09%0Timeline
XNDUXANADU QUANTUM TECHNOLO LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 2,140,000 shares 2,140,000$25.9M15.24%newTimeline
YMMFULL TRUCK ALLIANCE CO LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 957,580 shares; 2024Q4: 957,580 shares; 2025Q1: 957,580 shares; 2025Q2: 957,580 shares; 2025Q3: 957,580 shares; 2025Q4: 957,580 shares; 2026Q1: 957,580 shares; 2026Q2: 957,580 shares 957,580$7.78M4.57%0Timeline
CAMPCAMP4 THERAPEUTICS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: 1,271,948 shares; 2025Q1: 1,271,948 shares; 2025Q2: 1,271,948 shares; 2025Q3: 1,271,948 shares; 2025Q4: 1,271,948 shares; 2026Q1: 1,271,948 shares; 2026Q2: 1,271,948 shares 1,271,948$5.56M3.27%0Timeline
IPSCCENTURY THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 29,018 shares; 2024Q4: 29,018 shares; 2025Q1: 29,018 shares; 2025Q2: 29,018 shares; 2025Q3: 29,018 shares; 2025Q4: 29,018 shares; 2026Q1: 29,018 shares; 2026Q2: 29,018 shares 29,018$71.1K0.04%0Timeline

How Q2 2026 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 0001193125-26-350253 base2026-08-14acceptance time not in the bulk data set