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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
BELFB
151
Bel Fuse Inc Class B
BELFB
$3.88B
– –
-29,884
Closed -$5.07M
CERT icon
152
Certara
CERT
$1.17B
– –
-460,797
Closed -$4.06M
CVLT icon
153
Commault Systems
CVLT
$5.89B
– –
-44,706
Closed -$5.6M
ELF icon
154
e.l.f. Beauty
ELF
$4.56B
– –
-73,239
Closed -$5.57M
EXAS
155
DELISTED
Exact Sciences
EXAS
– –
-57,212
Closed -$5.81M
HUBS icon
156
HubSpot
HUBS
$10.5B
– –
-37,831
Closed -$15.2M
IWO icon
157
iShares Russell 2000 Growth ETF
IWO
$14.5B
– –
-1,126
Closed -$364K
KVYO icon
158
Klaviyo
KVYO
$4.91B
– –
-605,271
Closed -$19.7M
LITE icon
159
Lumentum
LITE
$59.4B
– –
-28,498
Closed -$10.5M
ODD icon
160
ODDITY Tech
ODD
$708M
– –
-1,523,204
Closed -$61.2M
OPRX icon
161
OptimizeRx
OPRX
$117M
– –
-117,122
Closed -$1.44M
RCUS icon
162
Arcus Biosciences
RCUS
$3.57B
– –
-169,940
Closed -$4.05M
RDW icon
163
Redwire
RDW
$2.08B
– –
-316,942
Closed -$2.41M
SHLS icon
164
Shoals Technologies Group
SHLS
$1.58B
– –
-363,482
Closed -$3.09M
SLAB icon
165
Silicon Laboratories
SLAB
$7.15B
– –
-32,019
Closed -$4.18M
SPSC icon
166
SPS Commerce
SPSC
$2.25B
– –
-28,004
Closed -$2.5M
STKL
167
DELISTED
SunOpta
STKL
– –
-2,670,652
Closed -$10.1M
TALK icon
168
Talkspace
TALK
$873M
– –
-581,666
Closed -$2.11M
VERX icon
169
Vertex
VERX
$1.92B
– –
-150,299
Closed -$3M
VITL icon
170
Vital Farms
VITL
$558M
– –
-216,551
Closed -$6.92M
VRNS icon
171
Varonis Systems
VRNS
$5.25B
– –
-84,421
Closed -$2.77M
WEAV icon
172
Weave Communications
WEAV
$491M
– –
-280,610
Closed -$2.13M
LENZ
173
LENZ Therapeutics
LENZ
$172M
– –
-431,100
Closed -$6.9M
WLTH
174
Wealthfront Corp
WLTH
$1.33B
– –
-1,386,092
Closed -$18.8M
3 4 5 6
7

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HBT
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BC
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EMFAT
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BMCM
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WFMPM
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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.