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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
+0.46%
1 Year Est. Return
+56.45%
3 Year Est. Return
+154.74%
5 Year Est. Return
+144.99%
10 Year Est. Return
+2,452.87%
AUM
$2.34B
AUM Growth
-$107M
Cap. Flow
+$15.5M
Cap. Flow %
0.67%
Top 10 Hldgs %
29.8%
Holding
173
New
27
Increased
68
Reduced
62
Closed
16

Top Buys

Rank Stock Value
1
ZETA icon
Zeta Global
ZETA
+$25.7M
2
PRCH icon
Porch Group
PRCH
+$23.5M
3
PHR icon
Phreesia
PHR
+$21M
4
MOD icon
Modine Manufacturing
MOD
+$20.8M
5
STRL icon
Sterling Infrastructure
STRL
+$20.4M

Top Sells

Rank Stock Value
1
FIX icon
Comfort Systems
FIX
+$61.6M
2
SPSC icon
SPS Commerce
SPSC
+$34.2M
3
LEU icon
Centrus Energy
LEU
+$28.2M
4
EXAS
Exact Sciences
EXAS
+$18M
5
DSGX icon
Descartes Systems
DSGX
+$16.3M

Sector Composition

Rank Sector Weight
1 Technology 28.03%
2 Industrials 20.7%
3 Healthcare 14.38%
4 Financials 12.85%
5 Consumer Discretionary 10.1%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PRCH icon
1
Porch Group
PRCH
$1.64B
$106M 4.53%
11,590,428
+1,953,736
+20% +$23.5M
GENI icon
2
Genius Sports
GENI
$1.85B
$86.5M 3.71%
7,853,872
-123,300
-2% -$1.34M
CRS icon
3
Carpenter Technology
CRS
$25.8B
$84.1M 3.6%
267,175
-2,262
-0.8% -$680K
FTAI icon
4
FTAI Aviation
FTAI
$21.1B
$68.4M 2.93%
347,365
+79,993
+30% +$13.6M
VCTR icon
5
Victory Capital Holdings
VCTR
$6.19B
$67.8M 2.9%
1,075,202
-123,358
-10% -$7.86M
ODD icon
6
ODDITY Tech
ODD
$654M
$61.2M 2.62%
1,523,204
+16,747
+1% +$757K
INDI icon
7
indie Semiconductor
INDI
$682M
$60.8M 2.6%
17,216,584
-258,211
-1% -$1.13M
CLBT icon
8
Cellebrite
CLBT
$3.68B
$55.1M 2.36%
3,057,018
+427,719
+16% +$7.68M
ZETA icon
9
Zeta Global
ZETA
$5.38B
$53.3M 2.28%
2,617,630
+1,373,164
+110% +$25.7M
MRX
10
Marex Group Limited Ordinary Shares
MRX
$4.67B
$52.8M 2.26%
1,376,993
+322,039
+31% +$11M
MGNI icon
11
Magnite
MGNI
$2.76B
$50.6M 2.17%
3,115,930
-757,249
-20% -$12.6M
GLBE icon
12
Global E Online
GLBE
$6.6B
$46.9M 2.01%
1,191,892
-29,329
-2% -$1.09M
LTH icon
13
Life Time Group Holdings
LTH
$10.1B
$44.1M 1.89%
1,659,572
-33,623
-2% -$875K
MOD icon
14
Modine Manufacturing
MOD
$10.7B
$43.6M 1.87%
326,474
+139,560
+75% +$20.8M
AXON
15
Axon Enterprise
AXON
$42.5B
$43M 1.84%
75,714
-1,737
-2% -$1.08M
KRUS icon
16
Kura Sushi USA
KRUS
$560M
$41.2M 1.76%
787,108
+116,096
+17% +$6.33M
PHR icon
17
Phreesia
PHR
$663M
$40.6M 1.74%
2,399,613
+1,018,987
+74% +$21M
SRAD icon
18
Sportradar
SRAD
$4.3B
$39.7M 1.7%
1,670,471
-223,270
-12% -$5.37M
KRNT icon
19
Kornit Digital
KRNT
$705M
$37M 1.58%
2,569,663
+614,513
+31% +$8.42M
TOST icon
20
Toast
TOST
$18.7B
$36.8M 1.58%
1,037,146
-200,466
-16% -$7.23M
NXT icon
21
Nextpower Inc
NXT
$13.6B
$33.5M 1.44%
384,710
-30,456
-7% -$2.76M
COMP icon
22
Compass
COMP
$8.51B
$33.1M 1.42%
3,136,223
-1,670,091
-35% -$15.2M
APPS icon
23
Digital Turbine
APPS
$975M
$31.7M 1.36%
6,349,463
+635,526
+11% +$3.6M
ONTO icon
24
Onto Innovation
ONTO
$12.9B
$31M 1.33%
196,642
+122,520
+165% +$17.4M
SMTC icon
25
Semtech
SMTC
$11B
$30.8M 1.32%
418,227
-223,265
-35% -$15.8M
1
2 3 4 5

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Granahan Investment Management's Q4 2025 Portfolio in Review

As of Q4 2025, Granahan Investment Management held 173 positions worth $2.34B, down 4.4% from $2.44B the previous quarter. Its ten largest holdings account for 30% of the portfolio.

Granahan Investment Management's Q4 2025 filing shows 27 new, 68 increased, 62 reduced and 16 closed positions. Its largest new stake was Sterling Infrastructure: 59,148 shares worth $18.1M. The largest sale was Comfort Systems, an estimated $61.6M.

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

  • Granahan Investment Management's largest Q4 2025 buy was Sterling Infrastructure: 59,148 shares worth $18.1M.
  • Granahan Investment Management added most to Zeta Global in Q4 2025, an estimated $25.7M increase.
  • Granahan Investment Management's biggest Q4 2025 reduction was Comfort Systems, cutting an estimated $61.6M.
  • Granahan Investment Management fully exited Shift4 in Q4 2025, selling an estimated $15.2M.
  • Granahan Investment Management's ten largest holdings make up 30% of its $2.34B portfolio in Q4 2025.
  • Granahan Investment Management opened 27 new positions and closed 16 in Q4 2025.
  • Granahan Investment Management's portfolio value fell 4.4% quarter-over-quarter to $2.34B.

Based on Granahan Investment Management's 13F filing for Q4 2025, filed 17 Feb 2026.