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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
RGEN icon
51
Repligen
RGEN
$9.3B
$12.9M 0.64%
101,197
-6,218
-6% -$957K
BPMC
52
DELISTED
Blueprint Medicines
BPMC
$12.8M 0.64%
144,756
+2,866
+2% +$280K
VERX icon
53
Vertex
VERX
$1.95B
$12.6M 0.63%
360,949
-1,649
-0.5% -$75.3K
ZETA icon
54
Zeta Global
ZETA
$7.09B
$11.4M 0.57%
843,499
+187,797
+29% +$3.36M
CCOI icon
55
Cogent Communications
CCOI
$518M
$11.4M 0.57%
185,582
+11,101
+6% +$819K
BELFB
56
Bel Fuse Inc Class B
BELFB
$4.15B
$11.3M 0.56%
151,481
-8,023
-5% -$641K
P
57
Everpure Inc
P
$34.4B
$10.9M 0.54%
246,302
+78,404
+47% +$4.73M
ELF icon
58
e.l.f. Beauty
ELF
$5.55B
$10.5M 0.52%
166,704
+89,675
+116% +$7.81M
MTRN icon
59
Materion
MTRN
$5.84B
$10.2M 0.51%
124,489
-1,878
-1% -$177K
RDDT icon
60
Reddit
RDDT
$30.6B
$10.1M 0.5%
96,630
-57,619
-37% -$9.52M
NCLH icon
61
Norwegian Cruise Line
NCLH
$8.54B
$10.1M 0.5%
534,409
+237,702
+80% +$5.72M
BLFS icon
62
BioLife Solutions
BLFS
$1.7B
$10M 0.5%
439,500
-17,507
-4% -$461K
ENVX icon
63
Enovix
ENVX
$1.03B
$9.73M 0.48%
1,515,677
-37,457
-2% -$333K
NVMI
64
Nova
NVMI
$12.5B
$9.38M 0.47%
50,874
+30,806
+154% +$7.11M
SPIR icon
65
Spire Global
SPIR
$556M
$9.22M 0.46%
1,139,175
+1,013,106
+804% +$13.4M
VKTX icon
66
Viking Therapeutics
VKTX
$3.99B
$8.89M 0.44%
367,961
+62,375
+20% +$1.97M
QXO
67
QXO Inc
QXO
$16.7B
$8.43M 0.42%
622,968
-27,978
-4% -$381K
QLYS icon
68
Qualys
QLYS
$6.42B
$8.14M 0.41%
64,671
+17,122
+36% +$2.32M
VRNS icon
69
Varonis Systems
VRNS
$4.84B
$8.07M 0.4%
199,493
+62,488
+46% +$2.69M
KNSA icon
70
Kiniksa Pharmaceuticals
KNSA
$6.07B
$8.04M 0.4%
361,894
-101,216
-22% -$2.08M
FROG icon
71
JFrog
FROG
$10.6B
$8.02M 0.4%
250,742
+6,685
+3% +$233K
CYBR
72
DELISTED
CyberArk
CYBR
$7.24M 0.36%
21,424
-15,614
-42% -$5.61M
CECO icon
73
Ceco Environmental
CECO
$4.2B
$7.24M 0.36%
+317,416
New +$8.46M
GLOB icon
74
Globant
GLOB
$1.71B
$7.11M 0.35%
60,368
-134,612
-69% -$24.1M
ONTO icon
75
Onto Innovation
ONTO
$15.2B
$6.93M 0.35%
57,101
+30,397
+114% +$5.12M
1 2
3
4 5

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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.