HP
Harbourvest Partners LLC 13F Holdings (6 Positions, Q2 2026)
Harbourvest Partners LLCCIK: 0001201001
Concentrated strategyContrarianQuality / disciplined sizing
Total reported value
$170.0M
Reporting period: 2026-06-30 · Number of holdings: 6
HARBOURVEST PARTNERS LLC disclosed 6 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $170.0M and a quarterly turnover rate of 51.4%.
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Personality snowflake
- Concentration
- 100
- Portfolio Stability
- 51.36
- Momentum
- 0
- Sector conviction
- 0
- Diversification
- 12
- Sizing Uniformity
- 86.68
Sector classification currently covers about 0% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govNew buy XNDU
Trim KLAR
0.0% $35.9M
Trim GENB
0.0% $7.5M
Trim YMM
0.0% -$172.4K
Trim CAMP
0.0% -$50.9K
Trim IPSC
0.0% $5.5K
Holdings Map
New buyAddUnchangedTrim
* This report is exclusively curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, delivering precise insider trading and institutional holdings insights.
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | KLAR | Klarna Group plc | Stock-Other | 59.79% | -5.38% | — | |
| 2 | GENB | Generate Biomedicines Inc | Stock-Other | 17.09% | -4.24% | — | |
| 3 | XNDU | Xanadu Quantum Technolo-cl B | Stock-Other | 15.24% | +15.24% | NEW | |
| 4 | YMM | Full Truck Alliance -spn Adr | Stock-Other | 4.57% | -3.31% | — | |
| 5 | CAMP | Camp4 Therapeutics CORP | Stock-Other | 3.27% | -2.29% | — | |
| 6 | IPSC | Century Therapeutics Inc | Stock-Other | 0.04% | -0.02% | — |
Portfolio Performance
Performance for Q3 2026
-13.2%
Performance Last 4 Quarters
-28.2%
- Stdev
- +39.9%
- Beta
- +1.47
- Alpha
- -16.9%
- Max Drawdown
- -53.4%
- Annualized Perf
- +4.3%
- Batting Avg vs S&P
- +47.2%
- Sortino
- +0.44
- Stutzer
- +0.09
- Treynor
- +0.09
- Sterling
- +0.12
- Calmar
- +0.08
- Information Ratio
- -0.21
- Tracking Error
- +35.5%
- Stdev Down
- +28.6%
- Winning Months %
- +58.3%
- Losing Months %
- +41.7%
- Best 12 Months
- +73.7%
- Worst 12 Months
- -28.2%
- Efficiency Ratio
- +0.04
- Sharpe
- +0.32
- Stdev Sectors
- —
- Skewness
- -0.81
- Kurtosis
- +1.69
- Upside Potential
- +2.07
Reported value over time
Sector allocation
Not enough sector-mapped data yet
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 6 | $170.0M | 51 | ||
| 2026 Q1 | 5 | $100.9M | 85 | ||
| 2025 Q4 | 7 | $174.2M | 32 | ||
| 2025 Q3 | 9 | $205.1M | 100 | ||
| 2025 Q2 | 15 | $91.3M | 0 | ||
| 2025 Q1 | 16 | $153.7M | 100 | ||
| 2024 Q4 | 22 | $202.6M | 0 | ||
| 2024 Q3 | 34 | $192.3M | 0 | ||
| 2024 Q2 | 40 | $187.9M | 0 | ||
| 2024 Q1 | 48 | $219.3M | 0 | ||
| 2023 Q4 | 53 | $298.5M | 0 | ||
| 2023 Q3 | 58 | $294.5M | 0 | ||
| 2023 Q2 | 60 | $352.1M | 0 | ||
| 2023 Q1 | 63 | $296.9M | 0 | ||
| 2022 Q4 | 65 | $298.6M | 0 | ||
| 2022 Q3 | 67 | $305.9M | 0 | ||
| 2022 Q2 | 62 | $304.7M | 0 | ||
| 2022 Q1 | 66 | $489.9M | 0 | ||
| 2021 Q4 | 67 | $782.4M | 0 | ||
| 2021 Q3 | 56 | $1.1B | 0 | ||
| 2021 Q2 | 51 | $1.0B | 83 | ||
| 2021 Q1 | 44 | $745.6M | 100 | ||
| 2020 Q4 | 26 | $255.9M | 60 | ||
| 2020 Q3 | 36 | $270.2M | 40 | ||
| 2020 Q2 | 28 | $232.0M | 39 | ||
| 2020 Q1 | 36 | $207.2M | 35 | ||
| 2019 Q4 | 35 | $242.8M | 24 | ||
| 2019 Q3 | 33 | $240.4M | 24 | ||
| 2019 Q2 | 33 | $273.0M | 38 | ||
| 2019 Q1 | 33 | $282.5M | 49 | ||
| 2018 Q4 | 32 | $211.1M | 99 | ||
| 2018 Q3 | 26 | $110.6M | 72 | ||
| 2018 Q2 | 21 | $79.2M | 100 | ||
| 2018 Q1 | 20 | $92.9M | 84 | ||
| 2017 Q4 | 21 | $124.1M | 40 | ||
| 2017 Q3 | 21 | $151.5M | 61 | ||
| 2017 Q2 | 23 | $232.3M | 43 | ||
| 2017 Q1 | 18 | $178.8M | 17 | ||
| 2016 Q4 | 16 | $165.6M | 26 | ||
| 2016 Q3 | 9 | $181.1M | 29 | ||
| 2016 Q2 | 21 | $207.3M | 49 | ||
| 2016 Q1 | 23 | $233.9M | 31 | ||
| 2015 Q4 | 26 | $273.8M | 44 | ||
| 2015 Q3 | 22 | $226.4M | 25 | ||
| 2015 Q2 | 22 | $218.3M | 34 | ||
| 2015 Q1 | 19 | $176.2M | 81 | ||
| 2014 Q4 | 30 | $190.2M | 100 | ||
| 2013 Q4 | 9 | $31.2M | 87 | ||
| 2013 Q3 | 9 | $17.3M | 100 | ||
| 2013 Q2 | 17 | $30.7M | 0 |
Holding changes this quarter
Harbourvest Partners LLC's most significant position changes for 2026-06-30: New buy: Xanadu Quantum Technolo-cl B (XNDU).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | XNDU | Xanadu Quantum Technolo-cl B | +15.2% | NEW | New buy |
| 2 | IPSC | Century Therapeutics Inc | 0% | — | Unchanged |
| 3 | CAMP | Camp4 Therapeutics CORP | -2.3% | — | Unchanged |
| 4 | YMM | Full Truck Alliance -spn Adr | -3.3% | — | Unchanged |
| 5 | GENB | Generate Biomedicines Inc | -4.2% | — | Unchanged |
| 6 | KLAR | Klarna Group plc | -5.4% | — | Unchanged |
Filing History
FAQ
What is Harbourvest Partners LLC and what type of investor is it?
Harbourvest Partners LLC is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $170.0M, spread across 6 disclosed positions.
What are Harbourvest Partners LLC's largest equity positions?
Based on the latest 13F filing, Harbourvest Partners LLC's top holdings by market value are:
1. Klarna Group plc (KLAR) — $101.7M (59.8%)
2. Generate Biomedicines Inc (GENB) — $29.1M (17.1%)
3. Xanadu Quantum Technolo-cl B (XNDU) — $25.9M (15.2%)
4. Full Truck Alliance -spn Adr (YMM) — $7.8M (4.6%)
5. Camp4 Therapeutics CORP (CAMP) — $5.6M (3.3%)
What changes did Harbourvest Partners LLC make in its most recent portfolio filing?
In the latest quarter, Harbourvest Partners LLC was primarily adding exposure — initiating 1 new positions and adding to 0 existing holdings. The largest of these moves: New buy: Xanadu Quantum Technolo-cl B (XNDU)
What sectors does Harbourvest Partners LLC focus on?
Sector breakdown data is not yet available for Harbourvest Partners LLC. Check back after the next 13F processing cycle.
Investment Profile
Harbourvest Partners LLC returned an annualized 4.3% over the trailing 36 months — underperforming the S&P 500 by 16.9 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 1.47 (more volatile than the market) and a 47% quarterly batting average against the index.
Its portfolio is concentrated and moderately active.
Its turnover score has risen from 0 to 51 over the past 4 quarters — a shift toward more active trading.
It has added to its IPSC position over the past two quarters (+$42.2K, now $71.1K), while trimming YMM over the same stretch (-$2.5M, still holding $7.8M).
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Developer Access
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REST API
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