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GIM

Granahan Investment Management Portfolio holdings

AUM $2.07B
1-Year Est. Return 56.45%
This Fund
S&P 500
This Quarter Est. Return
+14.44%
1 Year Est. Return
+56.45%
3 Year Est. Return
+154.74%
5 Year Est. Return
+144.99%
10 Year Est. Return
+2,522.93%
AUM
$2.44B
AUM Growth
-$14.3M
Cap. Flow
-$170M
Cap. Flow %
-6.94%
Top 10 Hldgs %
34.31%
Holding
172
New
19
Increased
60
Reduced
66
Closed
26

Top Buys

Rank Stock Value
1
CLBT icon
Cellebrite
CLBT
+$37.9M
2
KRUS icon
Kura Sushi USA
KRUS
+$29.8M
3
FTAI icon
FTAI Aviation
FTAI
+$20.3M
4
NXT icon
Nextpower Inc
NXT
+$18.4M
5
FIGR
Figure Technology Solutions
FIGR
+$17.8M

Top Sells

Rank Stock Value
1
MRX
Marex Group Limited Ordinary Shares
MRX
+$36.9M
2
PRCH icon
Porch Group
PRCH
+$30.6M
3
CRCL
Circle Internet Group
CRCL
+$25.2M
4
SMTC icon
Semtech
SMTC
+$19M
5
PAR icon
PAR Technology
PAR
+$18.1M

Sector Composition

Rank Sector Weight
1 Technology 27.47%
2 Industrials 19.96%
3 Financials 13.94%
4 Healthcare 11.25%
5 Consumer Discretionary 9.3%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CWST icon
26
Casella Waste Systems
CWST
$5.72B
$29.8M 1.22%
314,344
+1,936
+0.6% +$195K
ACHR icon
27
Archer Aviation
ACHR
$4.78B
$28.2M 1.15%
2,940,100
-302,520
-9% -$2.99M
MOD icon
28
Modine Manufacturing
MOD
$10.1B
$26.6M 1.09%
186,914
+80,810
+76% +$10.3M
KRNT icon
29
Kornit Digital
KRNT
$778M
$26.4M 1.08%
1,955,150
+125,719
+7% +$2.14M
FWRG icon
30
First Watch Restaurant Group
FWRG
$742M
$26.1M 1.07%
1,667,332
+20,204
+1% +$352K
STEP icon
31
StepStone Group
STEP
$3.8B
$24.9M 1.02%
381,455
+243,495
+176% +$14.9M
RMBS icon
32
Rambus
RMBS
$10.4B
$24.8M 1.02%
238,443
+108,362
+83% +$8.35M
ZETA icon
33
Zeta Global
ZETA
$6.91B
$24.7M 1.01%
1,244,466
+491,643
+65% +$8.83M
CSGP icon
34
CoStar Group
CSGP
$12.8B
$22.8M 0.93%
270,166
-30,766
-10% -$2.72M
DSGX icon
35
Descartes Systems
DSGX
$6.86B
$20.3M 0.83%
215,944
-139,623
-39% -$14.3M
SIMO icon
36
Silicon Motion
SIMO
$7.82B
$19.7M 0.81%
207,758
+77,667
+60% +$6.17M
RBC icon
37
RBC Bearings
RBC
$17.6B
$17.9M 0.73%
45,850
-16,138
-26% -$6.28M
ENVX icon
38
Enovix
ENVX
$1.01B
$17.4M 0.71%
1,749,649
+47,290
+3% +$523K
GTES icon
39
Gates Industrial Corporation Ltd.
GTES
$7.19B
$16.9M 0.69%
682,310
-245,930
-26% -$6.11M
TRNS icon
40
Transcat
TRNS
$850M
$16.7M 0.69%
228,565
-46
-0% -$3.71K
FIGR
41
Figure Technology Solutions
FIGR
$6.37B
$16.7M 0.68%
+458,594
New +$17.8M
STKL
42
DELISTED
SunOpta
STKL
$16M 0.65%
2,728,251
-917,823
-25% -$5.69M
EXAS
43
DELISTED
Exact Sciences
EXAS
$15.4M 0.63%
281,918
-40,589
-13% -$2.03M
SIBN icon
44
SI-BONE Inc
SIBN
$844M
$15.3M 0.63%
1,039,649
-224,678
-18% -$3.67M
FOUR icon
45
Shift4
FOUR
$3.41B
$15.2M 0.62%
196,810
-60,264
-23% -$5.6M
TCBI icon
46
Texas Capital Bancshares
TCBI
$4.32B
$14.4M 0.59%
169,790
-12,147
-7% -$1.04M
KIDS icon
47
OrthoPediatrics
KIDS
$608M
$14.1M 0.58%
759,951
-206,877
-21% -$4.26M
ELF icon
48
e.l.f. Beauty
ELF
$5.62B
$13.1M 0.54%
98,837
+10,718
+12% +$1.32M
TSEM icon
49
Tower Semiconductor
TSEM
$28.5B
$12.9M 0.53%
178,188
+53,208
+43% +$2.91M
NTNX icon
50
Nutanix
NTNX
$17.4B
$12.9M 0.53%
173,109
-19,940
-10% -$1.46M
1
2
3 4 5

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Granahan Investment Management's Q3 2025 Portfolio in Review

As of Q3 2025, Granahan Investment Management held 172 positions worth $2.44B, down 0.58% from $2.46B the previous quarter. Its ten largest holdings account for 34% of the portfolio.

Granahan Investment Management withdrew a net $170M in Q3 2025, closing 26 positions and reducing 66 holdings. Its most notable exit was Circle Internet Group, an estimated $25.2M position sold in full.

By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 28% a quarter earlier, followed by Industrials and Financials.

Against the trend, Granahan Investment Management opened a new position in Figure Technology Solutions worth $16.7M.

  • Granahan Investment Management's largest Q3 2025 buy was Figure Technology Solutions: 458,594 shares worth $16.7M.
  • Granahan Investment Management added most to Cellebrite in Q3 2025, an estimated $37.9M increase.
  • Granahan Investment Management's biggest Q3 2025 reduction was Marex Group Limited Ordinary Shares, cutting an estimated $36.9M.
  • Granahan Investment Management fully exited Circle Internet Group in Q3 2025, selling an estimated $25.2M.
  • Granahan Investment Management's ten largest holdings make up 34% of its $2.44B portfolio in Q3 2025.
  • Granahan Investment Management opened 19 new positions and closed 26 in Q3 2025.
  • Granahan Investment Management's portfolio value fell 0.58% quarter-over-quarter to $2.44B.

Based on Granahan Investment Management's 13F filing for Q3 2025, filed 14 Nov 2025.