HARBOURVEST PARTNERS LLC

CIK 0001201001 · BOSTON, MA · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source ↗

HARBOURVEST PARTNERS LLC reported 6 positions worth $170.0M as of June 30, 2026 (13F filed August 14, 2026). Largest holding: KLAR (59.8%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.

$170.0M

2026 Q2

Positions

Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.

100.0%

Est. Net Flow (Q)

—

2026 Q2

Positions Changes Mix History BacktestPRO

6 positions shown

#	Symbol	Company	Type	Value ↓	% Port.	Shares	1Y	YTD
▸ 1	KLAR	Klarna Group PLC	SH	$101.7M	59.79%	5,023,320	—	—
▸ 2	GENB	Generate Biomedicines	SH	$29.1M	17.09%	1,722,210	—	—
▸ 3	XNDU	Xanadu Quantum Technologies, Inc	SH	$25.9M	15.24%	2,140,000	—	—
▸ 4	YMM	Full Truck Alliance Co. Ltd.	SH	$7.8M	4.57%	957,580	—	—
▸ 5	CAMP	CAMP4 Therapeutics Corp	SH	$5.6M	3.27%	1,271,948	—	—
▸ 6	IPSC	Century Therapeutics, Inc.	SH	$71.1K	0.04%	29,018	—	—

Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does HARBOURVEST PARTNERS LLC hold as of Q2 2026?

HARBOURVEST PARTNERS LLC reported 6 positions worth $170.0M in its Q2 2026 13F filing. Largest positions: KLAR (59.8%), GENB (17.1%), XNDU (15.2%), YMM (4.6%) and CAMP (3.3%).

What did HARBOURVEST PARTNERS LLC buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did HARBOURVEST PARTNERS LLC sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.