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Latest GRANAHAN INVESTMENT MANAGEMENT INC/MA Stock Portfolio

$2.81Billion | No. of Holdings #150

GRANAHAN INVESTMENT MANAGEMENT INC/MA Performance

2026 Q2+31.22%
YTD+24.75%
2025+7.80%

About GRANAHAN INVESTMENT MANAGEMENT INC/MA and 13F Hedge Fund Stock Holdings

On 2026-08-14, the fund reported it's updated stock portfolio. In the 13F Holdings report, Granahan Investment Management, LLC reported an equity portfolio of $2.8 Billions as of 30 Jun, 2026. <br><br> The top stock holdings of Granahan Investment Management, LLC are PRCH, SIMO, . The fund has invested 6.6% of it's portfolio in PORCH GROUP INC and 5.3% of portfolio in SILICON MOTION TECHNOLOGY CO. <br><br> The fund managers got completely rid off COMFORT SYS USA INC (FIX), SEMTECH CORP (SMTC) and SPORTRADAR GROUP AG (SRAD) stocks. They significantly reduced their stock positions in UNIVERSAL TECHNICAL INST INC (UTI), AMERESCO INC (AMRC) and ENOVIX CORPORATION (ENVX). Granahan Investment Management, LLC opened new stock positions in TWIST BIOSCIENCE CORP (TWST), QUANTINUUM INC and DYNE THERAPEUTICS INC (DYN). The fund showed a lot of confidence in some stocks as they added substantially to IRADIMED CORP (IRMD), GENERAC HLDGS INC (GNRC) and GRAIL INC.
GRANAHAN INVESTMENT MANAGEMENT INC/MA Equity Portfolio Value
Last Reported on: 14 Aug, 2026
$2.81Billion
  as of Aug 14, 2026

GRANAHAN INVESTMENT MANAGEMENT INC/MA Annual Return Estimates Vs S&P 500

Our best estimate is that Granahan Investment Management, LLC made a return of 31.22% in the last quarter. In trailing 12 months, it's portfolio return was 25.61%.
  • Performance
  • S&P 500

New Buys

Ticker$ Bought
twist bioscience corp32,395,100
quantinuum inc19,089,600
arxis inc11,128,200
dyne therapeutics inc7,519,530
anterix inc7,424,140
spyre therapeutics inc7,367,940
guidewire software inc7,221,680
karman hldgs inc7,215,640
New stocks bought by GRANAHAN INVESTMENT MANAGEMENT INC/MA

Additions

Ticker% Inc.
iradimed corp1,429
generac hldgs inc829
grail inc547
ligand pharmaceuticals inc509
descartes sys group inc437
repligen corp282
exlservice hldgs inc175
agilysys inc152
Additions to existing portfolio by GRANAHAN INVESTMENT MANAGEMENT INC/MA

Reductions

Ticker% Reduced
universal technical inst inc-96.41
ameresco inc-96.25
enovix corporation-94.97
centrus energy corp-90.07
archer aviation inc-84.71
arteris inc-77.5
ceva inc-76.92
electrovaya inc-76.42
GRANAHAN INVESTMENT MANAGEMENT INC/MA reduced stake in above stock

Sold off

Ticker$ Sold
compass inc-13,781,600
sportradar group ag-24,099,900
phreesia inc-8,276,150
ethos technologies inc-6,485,250
semtech corp-28,498,700
neogen corp-2,322,740
stepstone group inc-10,098,800
costar group inc-6,496,640
GRANAHAN INVESTMENT MANAGEMENT INC/MA got rid off the above stocks

Sector Distribution

Granahan Investment Management, LLC has about 28% of it's holdings in Others sector.

  • Others
  • Technology
  • Healthcare
  • Industrials
  • Consumer Cyclical
  • Financial Services
  • Communication Services
  • Basic Materials
Sector%
Others28
Technology26.7
Healthcare14.8
Industrials14
Consumer Cyclical7
Financial Services4.2
Communication Services2.5
Basic Materials1.1
1.1

Market Cap. Distribution

Granahan Investment Management, LLC has about 18.7% of it's portfolio invested in the large-cap and mega-cap stocks.

  • MID-CAP
  • UNALLOCATED
  • SMALL-CAP
  • LARGE-CAP
Category%
MID-CAP30.7
UNALLOCATED28
SMALL-CAP22.1
LARGE-CAP18.7

Stocks belong to which Index?

About 52% of the stocks held by Granahan Investment Management, LLC either belong to S&P 500 or RUSSELL 2000 index.

  • RUSSELL 2000
  • Others
  • S&P 500
Index%
RUSSELL 200048.7
Others48
S&P 5003.3
Top 5 Winners (%)%
APPS
digital turbine inc
259.4 %
AIP
arteris inc
119.8 %
VECO
veeco instrs inc del
116.0 %
ALGM
allegro microsystems inc
112.5 %
cardinal infrastructure grou
108.8 %
Top 5 Winners ($)$
PRCH
porch group inc
98.6 M
SIMO
silicon motion technology co
70.8 M
APPS
digital turbine inc
53.1 M
forgent power solutions inc
51.6 M
CRS
carpenter technology corp
37.5 M
Top 5 Losers (%)%
CCOI
cogent comm holdings inc
-25.7 %
UAMY
united states antimony corp
-16.5 %
KRUS
kura sushi usa inc
-15.7 %
bridgebio oncology therapeut
-11.0 %
EXLS
exlservice hldgs inc
-10.8 %
Top 5 Losers ($)$
KRUS
kura sushi usa inc
-8.6 M
SSNT
qxo inc
-4.1 M
figure technology solutio
-2.9 M
CCOI
cogent comm holdings inc
-1.5 M
CELC
celcuity inc
-1.3 M

GRANAHAN INVESTMENT MANAGEMENT INC/MA Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of GRANAHAN INVESTMENT MANAGEMENT INC/MA

Granahan Investment Management, LLC has 150 stocks in it's portfolio. About 34% of the portfolio is in top 10 stocks. KRUS proved to be the most loss making stock for the portfolio. PRCH was the most profitable stock for Granahan Investment Management, LLC last quarter.

$2.81BTotal Value
171Positions
14 Aug, 2026Last Reported
Current holdings of Current Stock Holdings of GRANAHAN INVESTMENT MANAGEMENT INC/MA, last reported on 14 Aug, 2026. Select a row with a linked ticker to view its historical trend.
ExpandHoldingsorted ascending% PortfolioShares Held$ Value% Change