Harbourvest Partners LLC reported 6 positions worth $170.05M for the quarter ended Jun 30, 2026, up 68.5% on the prior quarter. It opened 1 new position, added to 0, trimmed 0 and exited 0. Its largest holding is Klarna Group plc at 59.8% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| XNDU Xanadu Quantum Technologies Ltd | +2.14M | – | $25.92M | 15.24% |
No positions were reduced this quarter.
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| XNDU Xanadu Quantum Technologies Ltd | +2.14M | $25.92M | 15.24% |
No positions were closed this quarter.
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | KLAR Klarna Group plc | Financial Services | 5.02M | $101.67M | 59.79% | 0 | 0.0% | Unchanged | 1.36% |
| 2 | GENB Generate Biomedicines, Inc. | Healthcare | 1.72M | $29.05M | 17.09% | 0 | 0.0% | Unchanged | 1.34% |
| 3 | XNDU Xanadu Quantum Technologies Ltd | Technology | 2.14M | $25.92M | 15.24% | +2.14M | – | New | 0.03% |
| 4 | YMM Full Truck Alliance Co. Ltd. | Technology | 957.6K | $7.78M | 4.57% | 0 | 0.0% | Unchanged | 0.09% |
| 5 | CAMP Camp4 Therapeutics Corp | Healthcare | 1.27M | $5.56M | 3.27% | 0 | 0.0% | Unchanged | 2.2% |
| 6 | IPSC Century Therapeutics, Inc. | Healthcare | 29.0K | $71.09K | 0.042% | 0 | 0.0% | Unchanged | 0.01% |
Tip. Select a row to see that position’s full history at Harbourvest Partners.
As of its Q2 2026 13F filing, Harbourvest Partners LLC’s five largest positions were Klarna Group plc (KLAR) at 59.8%, Generate Biomedicines, Inc. (GENB) at 17.1%, Xanadu Quantum Technologies Ltd (XNDU) at 15.2%, Full Truck Alliance Co. Ltd. (YMM) at 4.6%, Camp4 Therapeutics Corp (CAMP) at 3.3% of the reported portfolio.
Harbourvest Partners LLC reported a 13F portfolio worth $170.05M across 6 positions for Q2 2026. That is up 68.5% from the previous quarter.
Its largest purchases by value were Xanadu Quantum Technologies Ltd ($25.92M). It opened 1 new positions.
From the Form 13F-HR reports Harbourvest Partners LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.