HarbourVest Partners LLC
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), HarbourVest Partners LLC reported 6 stock positions worth $170.0 million. Its top holding was Klarna (KLAR) at 59.8% of the portfolio, followed by Generate Biomedicines (GENB, 17.1%) and Xanadu Quantum Technolo Class B (XNDU, 15.2%). Compared with Q1 2026, it opened 1 new position. The biggest buy was a new position in Xanadu Quantum Technolo Class B (XNDU).
- Most Recent 13F
- Q2 2026
- Location
- Boston, MA
- CIK
- 0001201001
- Portfolio Value
- $170.0M (Q2 2026)
- SEC Filing
- 0001193125-26-350253 ↗ filed Aug 14, 2026
Holdings Value
Holdings 6 stocks · $170.0M
| KLAR Klarna Group PLC | 59.79% | 5,023,320 | $101.7M | No change |
| GENB Generate Biomedicines Inc. | 17.09% | 1,722,210 | $29.1M | No change |
| XNDU Xanadu Quantum Technolo Class B | 15.24% | 2,140,000 | $25.9M | New |
| YMM Full Truck Alliance -SPN ADR | 4.57% | 957,580 | $7.8M | No change |
| CAMP CAMP4 Therapeutics Corp. | 3.27% | 1,271,948 | $5.6M | No change |
| IPSC Century Therapeutics Inc. | 0.04% | 29,018 | $71K | No change |
Portfolio Sells Q1 2026 → Q2 2026
| None this quarter. | |||
Portfolio Buys Q1 2026 → Q2 2026
| XNDU Xanadu Quantum Technolo Class B | New | 15.24% | +15.24 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 6 | $170.0M | KLAR, GENB, XNDU, YMM, CAMP |
| Q1 2026 | 5 | $100.9M | KLAR, GENB, YMM, CAMP, IPSC |
| Q4 2025 | 7 | $174.2M | KLAR, YMM, CAMP, RBRK, EPSN |
| Q3 2025 | 9 | $205.1M | KLAR, YMM, CAMP, PGY, RKLB |
| Q2 2025 | 15 | $91.3M | W, YMM, IOT, RBRK, HAPN |
| Q1 2025 | 16 | $153.7M | TTAN, W, YMM, RBRK, CAMP |
| Q4 2024 | 22 | $202.6M | TTAN, W, HCP, YMM, HSAI |
| Q3 2024 | 34 | $192.3M | TOST, W, HCP, YMM, HAPN |
| Q2 2024 | 40 | $187.9M | TOST, W, HCP, YMM, OMGAQ |
| Q1 2024 | 48 | $219.3M | W, TOST, NABL, OMGAQ, YMM |