Data as of Q4 2025 (Dec 31, 2025)

Granahan Investment Management, LLC

•CIK: 1026710•Filing: Q4 2025

**Granahan Investment Management, LLC** manages $2.3B across a portfolio of 157 positions. The fund exhibits significant concentration in select names, with PRCH leading the holdings at $105.8M. Further notable allocations include BK-PK ($86.5M), CRS ($84.1M), and GSCE ($68.4M). This structure suggests a conviction-driven, concentrated approach to generating alpha.

Total AUM
$2.3B
QoQ Performance
-4.4%
Positions
157
Top 10 Concentration
29.8%
Latest Filing
Q4 2025

Top Holdings Allocation

PRCH4.5%
GENI3.7%
CRS3.6%
FTAI2.9%
VCTR2.9%
ODDITY2.6%
INDI2.6%
CLBT2.4%

📈 Biggest Buys

ZETA
ZETA GLOBAL HOLDINGS CORP
+110.3%
2.3% of portfolio
ONTO
ONTO INNOVATION INC
+165.3%
1.3% of portfolio
WLTH
WEALTHFRONT CORP
NEW
0.8% of portfolio
MOD
MODINE MFG CO
+74.7%
1.9% of portfolio
UAO
STERLING INFRASTRUCTURE INC
NEW
0.8% of portfolio

📉 Biggest Sells

FIX
COMFORT SYS USA INC
-71.9%
1.0% of portfolio
SPSC
SPS COMM INC
-92.9%
0.1% of portfolio
EXK
EXACT SCIENCES CORP
-79.7%
0.2% of portfolio
LEU
CENTRUS ENERGY CORP
-55.4%
0.8% of portfolio
COMP
COMPASS INC
-34.7%
1.4% of portfolio

Sector Breakdown

Other100.0%

🚪 Exited Positionssold since Q3 2025

FOUR
SHIFT4 PMTS INC
SOLD
$15.2M
NCLH
NORWEGIAN CRUISE LINE HLDG L
SOLD
$9.9M
ACVA
ACV AUCTIONS INC
SOLD
$6.5M
2GH
MERUS N V
SOLD
$6.2M
NTLA
INTELLIA THERAPEUTICS INC
SOLD
$5.9M
+11 more exited positions

Changes from Q3 2025

NEW27 new positions
↑68 increased
↓62 decreased

Historical Filings

Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023

📌 Top Holdings

PRCH4.5%
PORCH GROUP INC
$105.8M
GENI3.7%
GENIUS SPORTS LIMITED
$86.5M
CRS3.6%
CARPENTER TECHNOLOGY CORP
$84.1M
FTAI2.9%
FTAI AVIATION LTD
$68.4M
VCTR2.9%
VICTORY CAP HLDGS INC
$67.8M

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