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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
+2.6%
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
$2.07B
AUM Growth
-$268M
Cap. Flow
-$133M
Cap. Flow %
-6.44%
Top 10 Hldgs %
33.65%
Holding
174
New
17
Increased
66
Reduced
65
Closed
25

Top Buys

Rank Stock Value
1
FPS
Forgent Power Solutions
FPS
+$68.9M
2
YSS
York Space Systems
YSS
+$23.5M
3
QXO
QXO Inc
QXO
+$16.2M
4
SIBN icon
SI-BONE Inc
SIBN
+$13.4M
5
DAVE icon
Dave Inc
DAVE
+$12.3M

Top Sells

Rank Stock Value
1
ODD icon
ODDITY Tech
ODD
+$61.2M
2
ZETA icon
Zeta Global
ZETA
+$29.5M
3
GLBE icon
Global E Online
GLBE
+$22.7M
4
CLBT icon
Cellebrite
CLBT
+$19.9M
5
KVYO icon
Klaviyo
KVYO
+$19.7M

Sector Composition

Rank Sector Weight
1 Industrials 28.28%
2 Technology 24.87%
3 Healthcare 14.19%
4 Financials 14.1%
5 Consumer Discretionary 11.74%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CRS icon
1
Carpenter Technology
CRS
$27.6B
$94.4M 4.57%
239,469
-27,706
-10% -$10.1M
PRCH icon
2
Porch Group
PRCH
$1.41B
$90.9M 4.4%
12,674,987
+1,084,559
+9% +$8.67M
FTAI icon
3
FTAI Aviation
FTAI
$20.5B
$83.4M 4.03%
340,317
-7,048
-2% -$1.87M
MOD icon
4
Modine Manufacturing
MOD
$12.1B
$81.8M 3.96%
377,586
+51,112
+16% +$9.62M
VCTR icon
5
Victory Capital Holdings
VCTR
$6.14B
$71.2M 3.44%
1,087,315
+12,113
+1% +$844K
INDI icon
6
indie Semiconductor
INDI
$797M
$65.3M 3.16%
20,283,839
+3,067,255
+18% +$10.8M
FPS
7
Forgent Power Solutions
FPS
$10B
$60.6M 2.93%
+2,071,084
New +$68.9M
MRX
8
Marex Group Limited Ordinary Shares
MRX
$4.5B
$54.6M 2.64%
1,223,750
-153,243
-11% -$6.05M
NXT icon
9
Nextpower Inc
NXT
$15.2B
$51.2M 2.47%
424,434
+39,724
+10% +$4.4M
KRUS icon
10
Kura Sushi USA
KRUS
$539M
$42.4M 2.05%
607,917
-179,191
-23% -$12M
ONTO icon
11
Onto Innovation
ONTO
$13.9B
$40.7M 1.97%
198,694
+2,052
+1% +$420K
AXON
12
Axon Enterprise
AXON
$42.5B
$38.5M 1.86%
90,692
+14,978
+20% +$7.78M
FIX icon
13
Comfort Systems
FIX
$60.3B
$35.9M 1.74%
26,027
-8
-0% -$10.2K
KRNT icon
14
Kornit Digital
KRNT
$698M
$33.7M 1.63%
2,298,471
-271,192
-11% -$3.97M
LTH icon
15
Life Time Group Holdings
LTH
$9.46B
$32.3M 1.56%
1,200,483
-459,089
-28% -$12.7M
TTMI icon
16
TTM Technologies
TTMI
$13.8B
$31.9M 1.54%
327,434
+80,059
+32% +$7.62M
FIGR
17
Figure Technology Solutions
FIGR
$6.73B
$31.8M 1.54%
935,400
+269,882
+41% +$11.6M
MGNI icon
18
Magnite
MGNI
$2.72B
$30.3M 1.47%
2,553,413
-562,517
-18% -$7.54M
QXO
19
QXO Inc
QXO
$14.1B
$29.3M 1.42%
1,509,546
+709,934
+89% +$16.2M
SMTC icon
20
Semtech
SMTC
$11.7B
$28.5M 1.38%
370,642
-47,585
-11% -$3.91M
CAVA icon
21
CAVA Group
CAVA
$7.4B
$24.6M 1.19%
303,891
+73,088
+32% +$5.33M
RMBS icon
22
Rambus
RMBS
$10.9B
$24.1M 1.17%
280,246
+14,730
+6% +$1.47M
SRAD icon
23
Sportradar
SRAD
$4.41B
$24.1M 1.17%
1,439,659
-230,812
-14% -$4.29M
CLBT icon
24
Cellebrite
CLBT
$3.83B
$24M 1.16%
1,739,644
-1,317,374
-43% -$19.9M
GENI icon
25
Genius Sports
GENI
$1.8B
$23.9M 1.15%
5,383,762
-2,470,110
-31% -$17.6M
1
2 3 4 5

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Granahan Investment Management's Q1 2026 Portfolio in Review

As of Q1 2026, Granahan Investment Management held 174 positions worth $2.07B, down 11% from $2.34B the previous quarter. Its ten largest holdings account for 34% of the portfolio.

Granahan Investment Management withdrew a net $133M in Q1 2026, closing 25 positions and reducing 65 holdings. Its most notable exit was ODDITY Tech, an estimated $61.2M position sold in full.

By sector, the portfolio is most concentrated in Industrials at 28% of assets, up from 21% a quarter earlier, followed by Technology and Healthcare.

Against the trend, Granahan Investment Management opened a new position in Forgent Power Solutions worth $60.6M.

  • Granahan Investment Management's largest Q1 2026 buy was Forgent Power Solutions: 2,071,084 shares worth $60.6M.
  • Granahan Investment Management added most to QXO Inc in Q1 2026, an estimated $16.2M increase.
  • Granahan Investment Management's biggest Q1 2026 reduction was Zeta Global, cutting an estimated $29.5M.
  • Granahan Investment Management fully exited ODDITY Tech in Q1 2026, selling an estimated $61.2M.
  • Granahan Investment Management's ten largest holdings make up 34% of its $2.07B portfolio in Q1 2026.
  • Granahan Investment Management opened 17 new positions and closed 25 in Q1 2026.
  • Granahan Investment Management's portfolio value fell 11% quarter-over-quarter to $2.07B.

Based on Granahan Investment Management's 13F filing for Q1 2026, filed 15 May 2026.