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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
+32.63%
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
$2.46B
AUM Growth
+$449M
Cap. Flow
-$4.39M
Cap. Flow %
-0.18%
Top 10 Hldgs %
34.46%
Holding
177
New
18
Increased
65
Reduced
70
Closed
24

Top Buys

Rank Stock Value
1
GLBE icon
Global E Online
GLBE
+$31.5M
2
CRCL
Circle Internet Group
CRCL
+$22.6M
3
KVYO icon
Klaviyo
KVYO
+$15.2M
4
MGNI icon
Magnite
MGNI
+$14.6M
5
ETOR
eToro Group
ETOR
+$12.8M

Top Sells

Rank Stock Value
1
STEP icon
StepStone Group
STEP
+$19.8M
2
KLC
KinderCare Learning Companies
KLC
+$14.2M
3
EVH icon
Evolent Health
EVH
+$12.9M
4
BPMC
Blueprint Medicines
BPMC
+$12.8M
5
ODD icon
ODDITY Tech
ODD
+$12.2M

Sector Composition

Rank Sector Weight
1 Technology 27.6%
2 Industrials 18.51%
3 Financials 15%
4 Healthcare 12.27%
5 Consumer Discretionary 9.21%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SLNO
101
DELISTED
Soleno Therapeutics
SLNO
$5.02M 0.2%
59,977
+27,486
+85% +$2.06M
ZYME icon
102
Zymeworks
ZYME
$1.71B
$4.78M 0.19%
380,783
-26,806
-7% -$319K
CERT icon
103
Certara
CERT
$1.23B
$4.74M 0.19%
405,068
+170,108
+72% +$2.01M
CRVL icon
104
CorVel
CRVL
$3.15B
$4.51M 0.18%
43,877
-12,316
-22% -$1.36M
CALY
105
Callaway Golf Company
CALY
$3.04B
$4.48M 0.18%
556,559
+499,178
+870% +$3.43M
RVMD icon
106
Revolution Medicines
RVMD
$44.4B
$4.48M 0.18%
121,780
-4,972
-4% -$191K
QLYS icon
107
Qualys
QLYS
$6.43B
$4.35M 0.18%
30,416
-34,255
-53% -$4.53M
MRUS
108
DELISTED
Merus
MRUS
$4.24M 0.17%
80,619
-15,101
-16% -$710K
CRDO icon
109
Credo Technology Group
CRDO
$44.7B
$4.01M 0.16%
43,352
-18,632
-30% -$1.09M
RCUS icon
110
Arcus Biosciences
RCUS
$3.66B
$3.99M 0.16%
490,613
+11,023
+2% +$94.2K
SMMT icon
111
Summit Therapeutics
SMMT
$11.9B
$3.95M 0.16%
185,640
+61,113
+49% +$1.39M
BOOT icon
112
Boot Barn
BOOT
$5.11B
$3.87M 0.16%
25,493
-6,909
-21% -$917K
MLTX icon
113
MoonLake Immunotherapeutics
MLTX
$1.47B
$3.79M 0.15%
80,362
-61,858
-43% -$2.52M
EXLS icon
114
EXL Service
EXLS
$5.32B
$3.78M 0.15%
86,430
+40,671
+89% +$1.86M
IMNM icon
115
Immunome
IMNM
$2.91B
$3.65M 0.15%
392,751
-26,520
-6% -$217K
BBIO icon
116
BridgeBio Pharma
BBIO
$16.6B
$3.57M 0.15%
+82,690
New +$3.01M
CLBT icon
117
Cellebrite
CLBT
$3.97B
$3.48M 0.14%
217,573
-7,467
-3% -$133K
IMVT icon
118
Immunovant
IMVT
$8.24B
$3.41M 0.14%
213,088
+40,772
+24% +$617K
ONTO icon
119
Onto Innovation
ONTO
$14.5B
$3.41M 0.14%
33,758
-23,343
-41% -$2.49M
SPIR icon
120
Spire Global
SPIR
$543M
$3.36M 0.14%
282,333
-856,842
-75% -$8.64M
NTRA icon
121
Natera
NTRA
$45.9B
$3.27M 0.13%
19,371
-9,863
-34% -$1.54M
EYPT icon
122
EyePoint Inc
EYPT
$1.13B
$3.21M 0.13%
+340,984
New +$2.35M
ANAB icon
123
AnaptysBio
ANAB
$1.64B
$2.92M 0.12%
131,655
-14,836
-10% -$311K
CMCO icon
124
Columbus McKinnon
CMCO
$557M
$2.82M 0.11%
184,535
-132,321
-42% -$2.02M
PRTA icon
125
Prothena Corp
PRTA
$468M
$2.8M 0.11%
+461,082
New +$3.46M
3 4
5
6 7

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Granahan Investment Management's Q2 2025 Portfolio in Review

As of Q2 2025, Granahan Investment Management held 177 positions worth $2.46B, up 22% from $2.01B the previous quarter. Its ten largest holdings account for 34% of the portfolio.

Granahan Investment Management's Q2 2025 filing shows 18 new, 65 increased, 70 reduced and 24 closed positions. Its largest new stake was Global E Online: 933,344 shares worth $31.3M. The largest sale was StepStone Group, an estimated $19.8M.

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

  • Granahan Investment Management's largest Q2 2025 buy was Global E Online: 933,344 shares worth $31.3M.
  • Granahan Investment Management added most to Magnite in Q2 2025, an estimated $14.6M increase.
  • Granahan Investment Management's biggest Q2 2025 reduction was StepStone Group, cutting an estimated $19.8M.
  • Granahan Investment Management fully exited KinderCare Learning Companies in Q2 2025, selling an estimated $14.2M.
  • Granahan Investment Management's ten largest holdings make up 34% of its $2.46B portfolio in Q2 2025.
  • Granahan Investment Management opened 18 new positions and closed 24 in Q2 2025.
  • Granahan Investment Management's portfolio value rose 22% quarter-over-quarter to $2.46B.

Based on Granahan Investment Management's 13F filing for Q2 2025, filed 14 Aug 2025.