HarbourVest Partners LLC
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 14, 2025), HarbourVest Partners LLC reported 9 stock positions worth $205.1 million. Its top holding was Klarna (KLAR) at 89.8% of the portfolio, followed by Full Truck Alliance -SPN ADR (YMM, 6.1%) and CAMP4 Therapeutics (CAMP, 1.9%). Compared with Q2 2025, it opened 3 new positions, sold out of 9 and reduced 1. The biggest buy was a new position in Klarna (KLAR) and the biggest sale an exit from Wayfair Class A (W).
- Most Recent 13F
- Q2 2026
- Location
- Boston, MA
- CIK
- 0001201001
- Portfolio Value
- $205.1M (Q3 2025)
- SEC Filing
- 0001193125-25-281332 ↗ filed Nov 14, 2025
Holdings Value
Holdings 9 stocks · $205.1M
| KLAR Klarna Group PLC | 89.77% | 5,023,320 | $184.1M | New |
| YMM Full Truck Alliance -SPN ADR | 6.06% | 957,580 | $12.4M | No change |
| CAMP CAMP4 Therapeutics Corp. | 1.86% | 1,271,948 | $3.8M | No change |
| PGY Pagaya Technologies Ltd. Class A | 1.63% | 112,591 | $3.3M | New |
| RKLB Rocket Lab Corp. | 0.34% | 14,770 | $708K | New |
| U Unity Software Inc. | 0.18% | 9,242 | $370K | Reduce -73.0% |
| SONDQ Sonder Holdings Inc. | 0.14% | 225,112 | $286K | No change |
| RPTX Repare Therapeutics Inc. | 0.01% | 12,276 | $22K | No change |
| IPSC Century Therapeutics Inc. | 0.01% | 29,018 | $14K | No change |
Portfolio Sells Q2 2025 → Q3 2025
| W Wayfair Inc. Class A | Sold out | 0.00% | −59.51 |
| IOT Samsara Inc. Class A | Sold out | 0.00% | −9.50 |
| RBRK Rubrik Inc. Class A | Sold out | 0.00% | −8.60 |
| HAPN Happen Inc. | Sold out | 0.00% | −3.14 |
| RLAY Relay Therapeutics Inc. | Sold out | 0.00% | −1.12 |
| TTAN Servicetitan Inc. Class A | Sold out | 0.00% | −0.99 |
| U Unity Software Inc. | Reduce -73.0% | 0.18% | −0.73 |
| DIBS 1STDIBS.COM Inc. | Sold out | 0.00% | −0.60 |
| CXM Sprinklr Inc. Class A | Sold out | 0.00% | −0.49 |
| OPEN Opendoor Technologies Inc. | Sold out | 0.00% | −0.03 |
Portfolio Buys Q2 2025 → Q3 2025
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 |