We are live on ! Find out more
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
STOK icon
51
Stoke Therapeutics
STOK
$1.82B
$10.9M 0.53%
335,586
+144,189
+75% +$4.73M
VKTX icon
52
Viking Therapeutics
VKTX
$4.04B
$10.8M 0.52%
332,192
+96,606
+41% +$3.11M
TOST icon
53
Toast
TOST
$16.8B
$10.6M 0.51%
399,067
-638,079
-62% -$19M
LASR icon
54
nLIGHT
LASR
$3.95B
$10.6M 0.51%
+185,271
New +$10M
RGEN icon
55
Repligen
RGEN
$7.44B
$10.2M 0.5%
86,953
+14,951
+21% +$2.09M
HQY icon
56
HealthEquity
HQY
$7.91B
$10.2M 0.49%
122,099
+31,079
+34% +$2.55M
CELC icon
57
Celcuity
CELC
$4.03B
$10.1M 0.49%
88,833
+1,801
+2% +$196K
STEP icon
58
StepStone Group
STEP
$3.48B
$10.1M 0.49%
211,626
-77,083
-27% -$4.45M
KNSA icon
59
Kiniksa Pharmaceuticals
KNSA
$4.83B
$10.1M 0.49%
209,256
-106,957
-34% -$4.74M
UTI icon
60
Universal Technical Institute
UTI
$2.08B
$8.75M 0.42%
242,393
-196,859
-45% -$6.21M
CHYM
61
Chime Financial
CHYM
$7.88B
$8.36M 0.4%
446,152
+330,397
+285% +$7.49M
PHR icon
62
Phreesia
PHR
$632M
$8.28M 0.4%
987,607
-1,412,006
-59% -$18.7M
ENVX icon
63
Enovix
ENVX
$862M
$8.23M 0.4%
1,589,586
-374,979
-19% -$2.35M
JBTM
64
JBT Marel
JBTM
$7.14B
$8.08M 0.39%
63,212
+1,168
+2% +$177K
SRRK icon
65
Scholar Rock
SRRK
$5.71B
$7.68M 0.37%
156,314
+2,545
+2% +$114K
ACHR icon
66
Archer Aviation
ACHR
$3.64B
$7.66M 0.37%
1,480,746
-232,424
-14% -$1.66M
BBIO icon
67
BridgeBio Pharma
BBIO
$16.5B
$7.64M 0.37%
102,911
+1,106
+1% +$80.2K
LPTH icon
68
Lightpath Technologies
LPTH
$680M
$7.56M 0.37%
753,621
+97,601
+15% +$1.12M
AVAV icon
69
AeroVironment
AVAV
$7.57B
$7.46M 0.36%
+40,736
New +$10.7M
SNDX icon
70
Syndax Pharmaceuticals
SNDX
$1.84B
$7.16M 0.35%
306,321
-60,472
-16% -$1.31M
MEC icon
71
Mayville Engineering Co
MEC
$772M
$6.96M 0.34%
387,470
+119,708
+45% +$2.3M
CHEF icon
72
Chefs' Warehouse
CHEF
$3.87B
$6.81M 0.33%
114,599
+45,776
+67% +$2.93M
ALGM icon
73
Allegro MicroSystems
ALGM
$8.58B
$6.78M 0.33%
215,001
+125,144
+139% +$4.31M
RYTM icon
74
Rhythm Pharmaceuticals
RYTM
$7B
$6.76M 0.33%
77,709
+24,257
+45% +$2.36M
IMNM icon
75
Immunome
IMNM
$2.52B
$6.71M 0.32%
307,021
-128,102
-29% -$2.85M
1 2
3
4 5

Similar funds

3AM
3EDGE Asset Management Naples, Florida $2.07B AUM 16.66% 1-Year Est. Return
HBT
Hills Bank & Trust North Liberty, Iowa $2.07B AUM 13.46% 1-Year Est. Return
BC
BIT Capital Berlin, Germany $2.07B AUM 157.17% 1-Year Est. Return
EMFAT
Emerald Mutual Fund Advisers Trust Leola, Pennsylvania $2.06B AUM 106.87% 1-Year Est. Return
BMCM
Bryn Mawr Capital Management Philadelphia, Pennsylvania $2.06B AUM 19.82% 1-Year Est. Return
SW
SoFi Wealth San Francisco, California $2.08B AUM 18.22% 1-Year Est. Return
WFMPM
Woodley Farra Manion Portfolio Management Indianapolis, Indiana $2.05B AUM 14.54% 1-Year Est. Return
AG
Avala Global New York $2.08B AUM 87.66% 1-Year Est. Return

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.