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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
-6.94%
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
$2.01B
AUM Growth
-$387M
Cap. Flow
-$99.8M
Cap. Flow %
-4.97%
Top 10 Hldgs %
30.28%
Holding
198
New
18
Increased
59
Reduced
82
Closed
39

Top Buys

Rank Stock Value
1
DSGX icon
Descartes Systems
DSGX
+$36.8M
2
FIX icon
Comfort Systems
FIX
+$27.5M
3
SMTC icon
Semtech
SMTC
+$24.5M
4
LEU icon
Centrus Energy
LEU
+$18.2M
5
SPSC icon
SPS Commerce
SPSC
+$15.8M

Top Sells

Rank Stock Value
1
AXON
Axon Enterprise
AXON
+$45.3M
2
FOUR icon
Shift4
FOUR
+$29M
3
GLOB icon
Globant
GLOB
+$24.1M
4
EVH icon
Evolent Health
EVH
+$23.4M
5
MGNI icon
Magnite
MGNI
+$15.4M

Sector Composition

Rank Sector Weight
1 Technology 27.11%
2 Industrials 17.97%
3 Financials 13.63%
4 Healthcare 12.99%
5 Consumer Discretionary 9.74%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
STOK icon
101
Stoke Therapeutics
STOK
$2.09B
$4.39M 0.22%
660,430
+92,741
+16% +$865K
CLBT icon
102
Cellebrite
CLBT
$4.01B
$4.37M 0.22%
225,040
-2,357
-1% -$49.6K
MGRC icon
103
McGrath RentCorp
MGRC
$2.93B
$4.35M 0.22%
39,043
-2,490
-6% -$294K
CIEN icon
104
Ciena
CIEN
$54.6B
$4.34M 0.22%
71,783
+24,325
+51% +$1.92M
VITL icon
105
Vital Farms
VITL
$504M
$4.23M 0.21%
138,691
-12,656
-8% -$455K
NTRA icon
106
Natera
NTRA
$45.5B
$4.13M 0.21%
29,234
-26,208
-47% -$4.21M
GTLS
107
DELISTED
Chart Industries
GTLS
$4.06M 0.2%
28,151
-11,138
-28% -$2.05M
APGE icon
108
Apogee Therapeutics
APGE
$10.2B
$4.05M 0.2%
108,340
+15,486
+17% +$599K
MRUS
109
DELISTED
Merus
MRUS
$4.03M 0.2%
95,720
-8,842
-8% -$386K
AGIO icon
110
Agios Pharmaceuticals
AGIO
$1.96B
$3.87M 0.19%
132,108
+16,421
+14% +$545K
APLS
111
DELISTED
Apellis Pharmaceuticals
APLS
$3.84M 0.19%
175,696
+21,278
+14% +$588K
RCUS icon
112
Arcus Biosciences
RCUS
$3.68B
$3.76M 0.19%
479,590
+133,497
+39% +$1.55M
PRO
113
DELISTED
PROS Holdings
PRO
$3.72M 0.19%
195,622
-138,733
-41% -$3.24M
BOOT icon
114
Boot Barn
BOOT
$5.08B
$3.48M 0.17%
32,402
-50,834
-61% -$6.8M
NTLA icon
115
Intellia Therapeutics
NTLA
$1.69B
$3.38M 0.17%
475,946
+169,436
+55% +$1.71M
ALAB icon
116
Astera Labs
ALAB
$53.2B
$3.29M 0.16%
+55,057
New +$5.09M
RXST icon
117
RxSight
RXST
$286M
$3.28M 0.16%
129,721
+9,488
+8% +$282K
NOVT icon
118
Novanta
NOVT
$6.27B
$3.27M 0.16%
25,610
+1,166
+5% +$168K
PTC icon
119
PTC
PTC
$16.2B
$3.15M 0.16%
20,299
-20,467
-50% -$3.52M
SLAB icon
120
Silicon Laboratories
SLAB
$7.2B
$3.06M 0.15%
27,216
-19,247
-41% -$2.6M
IMVT icon
121
Immunovant
IMVT
$8.35B
$2.94M 0.15%
172,316
+22,920
+15% +$479K
IMNM icon
122
Immunome
IMNM
$2.97B
$2.82M 0.14%
419,271
+105,032
+33% +$1.01M
FIVN icon
123
FIVE9
FIVN
$2.48B
$2.79M 0.14%
102,682
-60,975
-37% -$2.24M
ANAB icon
124
AnaptysBio
ANAB
$1.68B
$2.72M 0.14%
146,491
+40,412
+38% +$674K
CLS icon
125
Celestica
CLS
$39.1B
$2.56M 0.13%
32,528
+4,553
+16% +$483K
3 4
5
6 7

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Granahan Investment Management's Q1 2025 Portfolio in Review

As of Q1 2025, Granahan Investment Management held 198 positions worth $2.01B, down 16% from $2.4B the previous quarter. Its ten largest holdings account for 30% of the portfolio.

Granahan Investment Management withdrew a net $99.8M in Q1 2025, closing 39 positions and reducing 82 holdings. Its most notable exit was Workiva, an estimated $10.2M position sold in full.

By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 30% a quarter earlier, followed by Industrials and Financials.

Against the trend, Granahan Investment Management opened a new position in Comfort Systems worth $22M.

  • Granahan Investment Management's largest Q1 2025 buy was Comfort Systems: 68,252 shares worth $22M.
  • Granahan Investment Management added most to Descartes Systems in Q1 2025, an estimated $36.8M increase.
  • Granahan Investment Management's biggest Q1 2025 reduction was Axon Enterprise, cutting an estimated $45.3M.
  • Granahan Investment Management fully exited Workiva in Q1 2025, selling an estimated $10.2M.
  • Granahan Investment Management's ten largest holdings make up 30% of its $2.01B portfolio in Q1 2025.
  • Granahan Investment Management opened 18 new positions and closed 39 in Q1 2025.
  • Granahan Investment Management's portfolio value fell 16% quarter-over-quarter to $2.01B.

Based on Granahan Investment Management's 13F filing for Q1 2025, filed 15 May 2025.