Stocks/Funds/CIK 1201001

HARBOURVEST PARTNERS LLC

long-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1201001
Assets
$101M
-34.4% YoY
Holdings
5
Lifetime alpha vs market
-18.33% annual
Average hold time
2.3 yr
median 1.5 yr

Quarterly history

Cum return -32% vs S&P +52% · α -84% lifetimeAUM $101M · peak $1.1BFlow $-42M (-24%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-1.87%
trims when stocks drop
when a holding falls −10%+
Middle response
-3.20%
baseline attrition
Rally response
-10.23%
trims into rallies
when a holding rises +10%+

Top positions · 5

Ticker$ value% portYoYHold time
$66M65.2%0.8 yr
GENBGenerate Biomedicines, I$22M21.3%0.3 yr
YMMFull Truck Alliance Co. $8M7.9%-35.0%4.3 yr
CAMPCAMP4 Therapeutics Corpo$6M5.6%+10.3%1.5 yr
IPSCCentury Therapeutics, In$0M0.1%+374.8%4.5 yr

Portfolio composition (YoY)

Industry mix
Unknown65.2%$66M
Asset Management21.3%$22M
Software - Application7.9%-56.1pp$8M
Biotechnology5.6%+1.8pp$6M
Country
Unknown65.2%
US27.0%-65.1pp
CN7.9%-0.1pp
Top 5: 100.0% · Top 10: 100.0% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
CAMP$5M+0.00B10.3%
IPSC$0M+0.00B374.8%
YMM$12M-0.00B-35.0%

Losers

TickerPrev $PnLYoY %
YMM$12M-0.00B-35.0%

Top buys this quarter · 1

GENB Generate Biomedicines, Inc.new+$22M

Top sells this quarter · 3

RPTX Repare Therapeutics Inc.exit$0M
EPSN Epsilon Energy Ltd.exit$5M
RBRK Rubrik, Inc.exit$4M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$101M5+28.97%+17.59%+11.38%-0.04B
2025-12-31$174M7+38.15%+17.72%+20.43%-0.04B
2025-09-30$205M9+41.50%+17.52%+23.99%+0.09B
2025-06-30$91M15+20.77%+14.94%+5.83%-0.09B
2025-03-31$154M16-8.45%+8.30%-16.75%-0.02B
2024-12-31$203M22+16.79%+24.89%-8.09%-0.00B
2024-09-30$192M34+21.60%+36.04%-14.44%-0.01B
2024-06-30$188M40+1.71%+24.49%-22.78%-0.01B
2024-03-31$219M48+37.69%+29.62%+8.06%-0.12B
2023-12-31$299M53-8.17%+26.18%-34.35%-0.02B
2023-09-30$295M58-23.30%+21.57%-44.87%-0.02B
2023-06-30$352M60-15.38%+19.42%-34.80%-0.01B
2023-03-31$297M63-58.36%-7.82%-50.54%+0.07B
2022-12-31$299M65-8.26%+7.56%-15.82%+0.02B
2022-09-30$306M67-0.30%-4.93%+4.63%+0.00B
2022-06-30$305M62-39.26%-16.11%-23.15%+0.01B