HARBOURVEST PARTNERS LLC — 13F Holdings & Portfolio
CIK 1201001 · latest 13F-HR filed 2026-05-15
HARBOURVEST PARTNERS LLC manages $100.9M in 13F-reported U.S. long-equity assets across 5 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are KLAR (65.17%), GENB (21.33%), YMM (7.88%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 1 new position, exited 3, added to 1, and trimmed 3.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$100.9M
Long-equity book
5
Distinct positions
2026-03-31
Filed 2026-05-15
+1 / −3 / ↑1 / ↓3
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Trims
- Klarna Group PLC-$79.5M -54.7%
- Full Truck Alliance Co. Ltd.-$2.3M -22.6%
- CAMP4 Therapeutics Corp-$2.2M -28.1%
Exited Positions
- Rubrik, Inc.$6.9M
- Epsilon Energy LTD$3.9M
- Repare Therapeutics, Inc.$31.9K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | Klarna Group PLC | KLAR | G5279N105 | $65.8M | 65.17% | 5,023,320 | SH |
| 2 | Generate Biomedicines | GENB | 370920100 | $21.5M | 21.33% | 1,722,210 | SH |
| 3 | Full Truck Alliance Co. Ltd. | YMM | 35969L108 | $7.9M | 7.88% | 957,580 | SH |
| 4 | CAMP4 Therapeutics Corp | CAMP | 13463J101 | $5.6M | 5.56% | 1,271,948 | SH |
| 5 | Century Therapeutics, Inc. | IPSC | 15673T100 | $65.6K | 0.06% | 29,018 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $100.9M | 5 | 0001193125-26-225130 |
| 2025-12-31 | 2026-02-17 | $174.2M | 7 | 0001193125-26-052872 |
| 2025-09-30 | 2025-11-14 | $205.1M | 9 | 0001193125-25-281332 |