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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
VERX icon
76
Vertex
VERX
$1.95B
$7.17M 0.29%
289,309
+234,881
+432% +$6.8M
ALKT icon
77
Alkami Technology
ALKT
$2.1B
$6.71M 0.27%
+270,164
New +$6.9M
KNSL icon
78
Kinsale Capital Group
KNSL
$8.6B
$6.64M 0.27%
15,622
+469
+3% +$213K
ACVA icon
79
ACV Auctions
ACVA
$1.34B
$6.45M 0.26%
651,344
-917,688
-58% -$11.8M
AIP icon
80
Arteris
AIP
$1.37B
$6.28M 0.26%
621,625
+546,341
+726% +$5.2M
MRUS
81
DELISTED
Merus
MRUS
$6.23M 0.26%
66,208
-14,411
-18% -$939K
RCUS icon
82
Arcus Biosciences
RCUS
$3.67B
$6.2M 0.25%
455,596
-35,017
-7% -$364K
SNDX icon
83
Syndax Pharmaceuticals
SNDX
$1.8B
$6.1M 0.25%
396,336
-595,052
-60% -$7.79M
BOOT icon
84
Boot Barn
BOOT
$5.06B
$6.07M 0.25%
36,656
+11,163
+44% +$1.92M
STOK icon
85
Stoke Therapeutics
STOK
$2.12B
$5.97M 0.24%
253,899
-278,514
-52% -$4.77M
NTLA icon
86
Intellia Therapeutics
NTLA
$1.68B
$5.92M 0.24%
342,586
-571,036
-63% -$7.03M
ZYME icon
87
Zymeworks
ZYME
$1.74B
$5.9M 0.24%
345,331
-35,452
-9% -$507K
NPKI
88
NPK International
NPKI
$1.18B
$5.65M 0.23%
499,940
-157,520
-24% -$1.53M
RVMD icon
89
Revolution Medicines
RVMD
$44.2B
$5.54M 0.23%
118,692
-3,088
-3% -$121K
EWTX icon
90
Edgewise Therapeutics
EWTX
$4.85B
$5.51M 0.23%
339,617
-65,861
-16% -$934K
ADTN icon
91
Adtran
ADTN
$631M
$5.46M 0.22%
582,490
+382,170
+191% +$3.56M
LITE icon
92
Lumentum
LITE
$63.3B
$5.35M 0.22%
+32,881
New +$4.1M
APGE icon
93
Apogee Therapeutics
APGE
$10.2B
$5.26M 0.22%
132,400
+1,262
+1% +$48.2K
CERT icon
94
Certara
CERT
$1.24B
$5.21M 0.21%
425,999
+20,931
+5% +$229K
POWL icon
95
Powell Industries
POWL
$7.62B
$5.11M 0.21%
50,292
-82,347
-62% -$6.98M
NVMI
96
Nova
NVMI
$12.5B
$5.03M 0.21%
15,728
-11,825
-43% -$3.27M
RYTM icon
97
Rhythm Pharmaceuticals
RYTM
$7.91B
$5.02M 0.21%
49,728
+8,556
+21% +$794K
IMNM icon
98
Immunome
IMNM
$2.97B
$4.99M 0.2%
426,219
+33,468
+9% +$333K
VKTX icon
99
Viking Therapeutics
VKTX
$3.97B
$4.98M 0.2%
189,529
-115,562
-38% -$3.45M
EYPT icon
100
EyePoint Inc
EYPT
$1.09B
$4.95M 0.2%
347,892
+6,908
+2% +$79.5K
2 3
4
5 6

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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.