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HarbourVest Partners LLC

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13F filer, CIK 1201001, Boston, MA

HarbourVest Partners LLC reported $91,275,131 across 15 holdings for the quarter ended 2025-06-30, in a 13F-HR filed 2025-08-14. Its ten largest share positions make up 98.85% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000950123-25-007940

Period
2025-06-30
Reported value
$91.3M
Holdings
15
Top 10 weight
98.85%
New
2
Sold out
3

Largest buys vs the previous quarter

SecurityShares changeApprox. value
IOTnew+217,965$8.67M
CXMnew+52,337$443K

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

SecurityShares changeApprox. value
TTANreduced-877,503-$94.1M
RBRKreduced-84,973-$7.61M
AMPLexited-114,231-$1.16M
OKLOexited-48,420-$1.05M
NEUEHEALTH INCexited-52,720-$356K

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, Q2 2025

Share positions as resolved from 13F-HR 0000950123-25-007940, largest first. % of portfolio is the value over $91,275,131, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
WWAYFAIR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,062,126 shares; 2024Q4: 1,062,126 shares; 2025Q1: 1,062,126 shares; 2025Q2: 1,062,126 shares 1,062,126$54.3M59.51%0Timeline
YMMFULL TRUCK ALLIANCE CO LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 957,580 shares; 2024Q4: 957,580 shares; 2025Q1: 957,580 shares; 2025Q2: 957,580 shares 957,580$11.3M12.39%0Timeline
IOTSAMSARA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 217,965 shares 217,965$8.67M9.5%newTimeline
RBRKRUBRIK INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 12,169 shares; 2025Q1: 172,631 shares; 2025Q2: 87,658 shares 87,658$7.85M8.6%-84,973Timeline
HAPNHAPPEN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 513,440 shares; 2024Q4: 238,055 shares; 2025Q1: 238,055 shares; 2025Q2: 238,055 shares 238,055$2.86M3.14%0Timeline
CAMPCAMP4 THERAPEUTICS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 1,271,948 shares; 2025Q1: 1,271,948 shares; 2025Q2: 1,271,948 shares 1,271,948$1.84M2.02%0Timeline
RLAYRELAY THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 296,402 shares; 2024Q4: 296,402 shares; 2025Q1: 296,402 shares; 2025Q2: 296,402 shares 296,402$1.03M1.12%0Timeline
TTANSERVICETITAN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 885,903 shares; 2025Q1: 885,961 shares; 2025Q2: 8,458 shares 8,458$907K0.99%-877,503Timeline
UUNITY SOFTWARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 34,194 shares; 2024Q4: 34,194 shares; 2025Q1: 34,194 shares; 2025Q2: 34,194 shares 34,194$827K0.91%0Timeline
SONDQSONDER HLDGS INC CL A NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 225,112 shares; 2024Q4: 225,112 shares; 2025Q1: 225,112 shares; 2025Q2: 225,112 shares 225,112$608K0.67%0Timeline
DIBS1STDIBS COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 199,496 shares; 2024Q4: 199,496 shares; 2025Q1: 199,496 shares; 2025Q2: 199,496 shares 199,496$549K0.6%0Timeline
CXMSPRINKLR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 52,337 shares 52,337$443K0.49%newTimeline
OPENOPENDOOR TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 46,707 shares; 2024Q4: 46,707 shares; 2025Q1: 46,707 shares; 2025Q2: 46,707 shares 46,707$24.9K0.03%0Timeline
REPARE THERAPEUTICS INCREPARE THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,276 shares; 2024Q4: 12,276 shares; 2025Q1: 12,276 shares; 2025Q2: 12,276 shares 12,276$17.1K0.02%0
IPSCCENTURY THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 29,018 shares; 2024Q4: 29,018 shares; 2025Q1: 29,018 shares; 2025Q2: 29,018 shares 29,018$16.2K0.02%0Timeline

Sold out in Q2 2025

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

SecurityShares beforeValue beforeType
AMPLAMPLITUDE INC114,231$1.16Mshares
OKLOOKLO INC48,420$1.05Mshares
NEUEHEALTH INCNEUEHEALTH INC52,720$356Kshares

How Q2 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 0000950123-25-007940 base2025-08-14acceptance time not in the bulk data set