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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
+2,522.93%
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%

No holdings matched the selected filter criteria.

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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.