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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
CFLT
76
DELISTED
Confluent
CFLT
$8.08M 0.33%
324,052
+49,343
+18% +$1.11M
MEC icon
77
Mayville Engineering Co
MEC
$584M
$7.95M 0.32%
498,305
+20,267
+4% +$290K
VECO icon
78
Veeco
VECO
$3.02B
$7.79M 0.32%
383,280
+91,115
+31% +$1.8M
STEP icon
79
StepStone Group
STEP
$3.8B
$7.66M 0.31%
137,960
-370,191
-73% -$19.8M
NVMI
80
Nova
NVMI
$12.2B
$7.58M 0.31%
27,553
-23,321
-46% -$4.74M
XENE icon
81
Xenon Pharmaceuticals
XENE
$6.21B
$7.51M 0.31%
240,038
+56,230
+31% +$1.83M
VRNS icon
82
Varonis Systems
VRNS
$4.87B
$7.43M 0.3%
146,466
-53,027
-27% -$2.41M
PTC icon
83
PTC
PTC
$16.4B
$7.35M 0.3%
42,662
+22,363
+110% +$3.6M
KNSL icon
84
Kinsale Capital Group
KNSL
$8.4B
$7.33M 0.3%
+15,153
New +$7.07M
OKTA icon
85
Okta
OKTA
$26.2B
$7.24M 0.29%
72,437
+17,575
+32% +$1.88M
ALAB icon
86
Astera Labs
ALAB
$55B
$7.09M 0.29%
78,456
+23,399
+42% +$1.85M
NXT icon
87
Nextpower Inc
NXT
$15.6B
$7.06M 0.29%
129,804
-10,834
-8% -$543K
CORZ icon
88
Core Scientific
CORZ
$6.25B
$7.02M 0.29%
411,173
+186,646
+83% +$1.87M
GRBK icon
89
Green Brick Partners
GRBK
$3.03B
$6.56M 0.27%
104,295
-10,518
-9% -$623K
CIEN icon
90
Ciena
CIEN
$54.9B
$6.56M 0.27%
80,621
+8,838
+12% +$634K
AMRC icon
91
Ameresco
AMRC
$1.34B
$6.49M 0.26%
427,197
+10,701
+3% +$140K
STOK icon
92
Stoke Therapeutics
STOK
$2.08B
$6.04M 0.25%
532,413
-128,017
-19% -$1.22M
APGE icon
93
Apogee Therapeutics
APGE
$10.2B
$5.7M 0.23%
131,138
+22,798
+21% +$867K
KNF icon
94
Knife River
KNF
$3.83B
$5.65M 0.23%
69,149
-85,098
-55% -$7.75M
NPKI
95
NPK International
NPKI
$1.15B
$5.59M 0.23%
657,460
-118,970
-15% -$872K
LSCC icon
96
Lattice Semiconductor
LSCC
$18.2B
$5.56M 0.23%
113,466
+26,750
+31% +$1.28M
TSEM icon
97
Tower Semiconductor
TSEM
$28.5B
$5.42M 0.22%
124,980
-48,450
-28% -$1.86M
LENZ
98
LENZ Therapeutics
LENZ
$168M
$5.37M 0.22%
183,252
+7,086
+4% +$193K
PRO
99
DELISTED
PROS Holdings
PRO
$5.35M 0.22%
341,738
+146,116
+75% +$2.49M
EWTX icon
100
Edgewise Therapeutics
EWTX
$4.84B
$5.32M 0.22%
405,478
+187,811
+86% +$2.71M
2 3
4
5 6

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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.