Q2 2026 13F · SEC CIK 1201001
HarbourVest Partners LLC
Hedge fundFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $170.0M
- Reported positions
- 6
- Top holdings a year, 3 yrs
- +1.4%
- Assets under management
- $191.2B
HarbourVest Partners LLC is a hedge fund that reported 6 positions worth $170.0M in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Klarna Group PLC (KLAR, 59.8%), Generate Biomedicines Inc (GENB, 17.1%), Xanadu Quantum Technolo Ltd (XNDU, 15.2%). A portfolio copying its top holdings returned 1.4% a year over the last 3 years, against 20.4% for the S&P 500.
HarbourVest Partners LLC holdings all 6 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| KLARKlarna Group PLC | 59.8% | +0.0% | $101.7M |
| GENBGenerate Biomedicines Inc | 17.1% | +0.0% | $29.1M |
| XNDUXanadu Quantum Technolo Ltd | 15.2% | — | $25.9M |
| YMMFull Truck ADR | 4.6% | +0.0% | $7.8M |
| CAMPCAMP4 Therapeutics Corporation | 3.3% | +0.0% | $5.6M |
| IPSCCentury Therapeutics Inc | 0.0% | +0.0% | $71K |
What HarbourVest Partners LLC bought and sold in Q2 2026, against Q1 2026.
New positions
- XNDU Xanadu Quantum Technolo Ltd15.2% of 13F
Added to
No position grew by more than 5%.
Reduced
No position shrank by more than 5%.
Sold out
Nothing sold out.
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- -31.4% /yr
- S&P 500 +20.1%
- 3 years
- +1.4% /yr
- S&P 500 +20.4%
- 5 years
- -14.6% /yr
- S&P 500 +11.6%
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $170.0M | 6 |
| Q1 2026 | $100.9M | 5 |
| Q4 2025 | $174.2M | 7 |
| Q3 2025 | $205.1M | 9 |
| Q2 2025 | $91.3M | 15 |
| Q1 2025 | $153.7M | 16 |
| Q4 2024 | $202.6M | 22 |
| Q3 2024 | $192.3M | 34 |
| Q2 2024 | $187.9M | 40 |
| Q1 2024 | $219.3M | 48 |
| Q4 2023 | $298.5M | 53 |
| Q3 2023 | $294.5M | 58 |
Questions about HarbourVest Partners LLC's portfolio
What stocks does HarbourVest Partners LLC own?
HarbourVest Partners LLC's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 6 positions worth $170.0M. The largest are Klarna Group PLC (KLAR) at 59.8%, Generate Biomedicines Inc (GENB) at 17.1%, Xanadu Quantum Technolo Ltd (XNDU) at 15.2%, Full Truck ADR (YMM) at 4.6% and CAMP4 Therapeutics Corporation (CAMP) at 3.3%.
What did HarbourVest Partners LLC buy last quarter?
In Q2 2026, HarbourVest Partners LLC added a new position in Xanadu Quantum Technolo Ltd (XNDU), compared with its Q1 2026 filing.
What did HarbourVest Partners LLC sell last quarter?
HarbourVest Partners LLC sold out of nothing and cut no large position by more than 5% in Q2 2026.
How has HarbourVest Partners LLC's portfolio performed?
A portfolio copying HarbourVest Partners LLC's 20 largest 13F holdings each quarter, from the day each filing was public, returned +1.4% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: -31.4% against +20.1%. Over 5 years: -14.6% a year against +11.6%.
When is HarbourVest Partners LLC's next 13F filing due?
13F filings are due 45 days after each quarter ends. HarbourVest Partners LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.
How much money does HarbourVest Partners LLC manage?
HarbourVest Partners LLC reported $191.2B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $170.0M.