Stocks/Funds/CIK 1026710

GRANAHAN INVESTMENT MANAGEMENT INC/MA

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1026710
Assets
$2.07B
+3.6% YoY
Holdings
148
Lifetime alpha vs market
-14.96% annual
Average hold time
2.9 yr
median 1.9 yr

Quarterly history

Cum return -20% vs S&P +52% · α -73% lifetimeAUM $2.1B · peak $5.3BFlow $-100M (-4%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-4.56%
trims when stocks drop
when a holding falls −10%+
Middle response
-4.91%
baseline attrition
Rally response
-12.20%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
CRSCarpenter Technology Cor$94M4.6%+118.3%2.3 yr
PRCHPorch Group, Inc.$91M4.4%-1.6%5.5 yr
$83M4.0%1.5 yr
MODModine Manufacturing Com$82M4.0%+182.4%6.5 yr
VCTRVictory Capital Holdings$71M3.4%+16.6%8.3 yr
INDIindie Semiconductor, Inc$65M3.2%+57.8%3.8 yr
FPSForgent Power Solutions,$61M2.9%0.3 yr
$55M2.6%2.0 yr
NXTNextpower Inc.$51M2.5%+186.1%2.0 yr
KRUSKura Sushi USA, Inc.$42M2.1%+36.3%2.0 yr
ONTOOnto Innovation Inc.$41M2.0%+69.0%6.5 yr
AXONAxon Enterprise, Inc.$39M1.9%-19.3%9.3 yr
FIXComfort Systems USA, Inc$36M1.7%+329.0%1.5 yr
KRNTKornit Digital Ltd.$34M1.6%-23.2%10.5 yr
LTHLife Time Group Holdings$32M1.6%-10.8%4.3 yr

Portfolio composition (YoY)

Industry mix
Semiconductors11.2%+5.4pp$232M
Unknown8.9%-0.8pp$184M
Software - Application8.8%-7.7pp$182M
Biotechnology6.3%+1.8pp$130M
Manufacturing - Metal Fabrication4.9%+2.5pp$101M
Auto - Parts4.0%+3.1pp$82M
Asset Management3.9%-0.4pp$82M
Restaurants3.9%+0.1pp$80M
Electrical Equipment & Parts3.3%+2.5pp$69M
Engineering & Construction3.2%+1.8pp$66M
Country
US82.7%+4.8pp
Unknown8.9%-0.8pp
IL4.0%+1.0pp
CH1.4%-1.0pp
GB1.2%-2.8pp
HK1.1%
CA0.5%-2.0pp
KY0.3%
Top 5: 20.4% · Top 10: 33.7% · Top 25: 55.6%

Winners

TickerPrev $PnLYoY %
FIX$22M+0.07B329.0%
CRS$42M+0.05B118.3%
SMTC$33M+0.04B123.5%
MOD$18M+0.03B182.4%
INDI$36M+0.02B57.8%

Losers

TickerPrev $PnLYoY %
GENI$78M-0.04B-55.7%
SRAD$41M-0.01B-22.6%
AXON$44M-0.01B-19.3%
KRNT$32M-0.01B-23.2%
LTH$47M-0.01B-10.8%

Top buys this quarter · 15

FPS Forgent Power Solutions, Inc.new+$61M
YSS York Space Systems, Inc.new+$21M
QXO QXO, Inc.+$14M
ARLO Arlo Technologies, Inc.+$12M
MOD Modine Manufacturing Company+$11M
SIBN SI-BONE, Inc.+$11M
LASR nLIGHT, Inc.new+$11M
INDI indie Semiconductor, Inc.+$10M
IRTC iRhythm Technologies, Inc.+$10M
FIGR Figure Technology Solutions, I+$9M

Top sells this quarter · 15

ZETA Zeta Global Holdings Corp.$25M
LITE Lumentum Holdings Inc.exit$20M
GLBE Global-e Online Ltd.$20M
CLBT Cellebrite DI Ltd.$18M
STKL SunOpta Inc.exit$17M
TOST Toast, Inc.$17M
TRNS Transcat, Inc.$14M
WLTH Wealthfront Corporationexit$13M
KRUS Kura Sushi USA, Inc.$41M
LTH Life Time Group Holdings, Inc.$12M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$2.07B148+13.76%+17.59%-3.83%-0.10B
2025-12-31$2.33B156+6.73%+17.72%-10.99%+0.01B
2025-09-30$2.44B145+16.94%+17.52%-0.58%-0.17B
2025-06-30$2.45B152+20.32%+14.94%+5.38%+0.04B
2025-03-31$1.99B158-6.35%+8.30%-14.65%-0.08B
2024-12-31$2.38B179-3.82%+24.89%-28.71%-0.26B
2024-09-30$2.52B185-12.69%+36.04%-48.73%-0.20B
2024-06-30$2.48B178-14.36%+24.49%-38.85%-0.19B
2024-03-31$2.84B179-0.28%+29.62%-29.90%+0.14B
2023-12-31$3.02B178+10.52%+26.18%-15.66%+0.37B
2023-09-30$2.79B181+16.80%+21.57%-4.77%-0.69B
2023-06-30$3.23B173+16.17%+19.42%-3.25%-0.34B
2023-03-31$3.27B163-25.08%-7.82%-17.26%+0.05B
2022-12-31$3.26B168+0.30%+7.56%-7.26%+0.20B
2022-09-30$3.05B175+7.13%-4.93%+12.06%-0.07B
2022-06-30$2.92B171-29.60%-16.11%-13.48%+0.09B