HarbourVest Partners LLC

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 14, 2025), HarbourVest Partners LLC reported 15 stock positions worth $91.3 million. Its top holding was Wayfair Class A (W) at 59.5% of the portfolio, followed by Full Truck Alliance -SPN ADR (YMM, 12.4%) and Samsara Class A (IOT, 9.5%). Compared with Q1 2025, it opened 2 new positions, sold out of 3 and reduced 2. The biggest buy was a new position in Samsara Class A (IOT) and the biggest sale Servicetitan Class A (TTAN, shares −99%).

Most Recent 13F
Q2 2026
Location
Boston, MA
CIK
0001201001
Portfolio Value
$91.3M (Q2 2025)
SEC Filing
0000950123-25-007940 ↗ filed Aug 14, 2025

Holdings Value

0$50.0M$100.0M$150.0M$200.0M$250.0M Q1 2024: $219.3M Q1 2024 Q2 2024: $187.9M Q2 2024 Q3 2024: $192.3M Q3 2024 Q4 2024: $202.6M Q4 2024 Q1 2025: $153.7M Q1 2025 Q2 2025: $91.3M $91.3M Q2 2025 Q3 2025: $205.1M Q3 2025 Q4 2025: $174.2M Q4 2025 Q1 2026: $100.9M Q1 2026 Q2 2026: $170.0M Q2 2026

Holdings 15 stocks · $91.3M

W Wayfair Inc. Class A 59.51% 1,062,126 $54.3M No change
YMM Full Truck Alliance -SPN ADR 12.39% 957,580 $11.3M No change
IOT Samsara Inc. Class A 9.50% 217,965 $8.7M New
RBRK Rubrik Inc. Class A 8.60% 87,658 $7.9M Reduce -49.2%
HAPN Happen Inc. filed as LENDINGCLUB CORP 3.14% 238,055 $2.9M No change
CAMP CAMP4 Therapeutics Corp. 2.02% 1,271,948 $1.8M No change
RLAY Relay Therapeutics Inc. 1.12% 296,402 $1.0M No change
TTAN Servicetitan Inc. Class A 0.99% 8,458 $907K Reduce -99.0%
U Unity Software Inc. 0.91% 34,194 $827K No change
SONDQ Sonder Holdings Inc. 0.67% 225,112 $608K No change
DIBS 1STDIBS.COM Inc. 0.60% 199,496 $549K No change
CXM Sprinklr Inc. Class A 0.49% 52,337 $443K New
OPEN Opendoor Technologies Inc. 0.03% 46,707 $25K No change
RPTX Repare Therapeutics Inc. 0.02% 12,276 $17K No change
IPSC Century Therapeutics Inc. 0.02% 29,018 $16K No change

Portfolio Sells Q1 2025 → Q2 2025

TTAN Servicetitan Inc. Class A Reduce -99.0% 0.99% −53.82
AMPL Amplitude Inc. Class A Sold out 0.00% −0.76
OKLO Oklo Inc. Sold out 0.00% −0.68
NEUE Neuehealth Inc. Sold out 0.00% −0.23
RBRK Rubrik Inc. Class A Reduce -49.2% 8.60% +1.76

Portfolio Buys Q1 2025 → Q2 2025

IOT Samsara Inc. Class A New 9.50% +9.50
CXM Sprinklr Inc. Class A New 0.49% +0.49

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 6$170.0MKLAR, GENB, XNDU, YMM, CAMP
Q1 2026 5$100.9MKLAR, GENB, YMM, CAMP, IPSC
Q4 2025 7$174.2MKLAR, YMM, CAMP, RBRK, EPSN
Q3 2025 9$205.1MKLAR, YMM, CAMP, PGY, RKLB
Q2 2025 15$91.3MW, YMM, IOT, RBRK, HAPN
Q1 2025 16$153.7MTTAN, W, YMM, RBRK, CAMP
Q4 2024 22$202.6MTTAN, W, HCP, YMM, HSAI
Q3 2024 34$192.3MTOST, W, HCP, YMM, HAPN
Q2 2024 40$187.9MTOST, W, HCP, YMM, OMGAQ
Q1 2024 48$219.3MW, TOST, NABL, OMGAQ, YMM