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GRANAHAN INVESTMENT MANAGEMENT INC/MA

Long Only Manager

GRANAHAN INVESTMENT MANAGEMENT INC/MA is a Long Only Manager based in Waltham, MA led by Jane Moran White, reporting $2.5B in AUM as of Q3 2025 with 38% Technology concentration.

CEOJane Moran White
Portfolio Value
$2.4B
Positions
146
Top Holding
PRCH at 6.62%
Last Reported
Q3 2025
Address404 Wyman Street, Suite 460, Waltham, MA, 02451, United States

Top Holdings

Largest long holdings in GRANAHAN INVESTMENT MANAGEMENT INC/MA's portfolio (34.3% of total portfolio)

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HoldingSectorPositionWeightTradedOwnership
Software - Application
Technology
$161.7M
6.62%
-$33.5M
Sold
9.24%
9.6M shares
Internet Content & Information
Communication Services
$98.8M
4.04%
-$4.4M
Sold
3.35%
8.0M shares
Software - Infrastructure
Technology
$93.9M
3.84%
+$9.4M
Bought
2.70%
1.5M shares
4
Magnite logo
Advertising Agencies
Communication Services
$84.4M
3.45%
+$5.0M
Bought
2.72%
3.9M shares
Asset Management
Financial Services
$77.6M
3.18%
+$211.1K
Bought
1.79%
1.2M shares
Engineering & Construction
Industrials
$76.6M
3.13%
+$19.9M
Bought
0.26%
92.8K shares
Semiconductors
Technology
$71.1M
2.91%
-$8.2M
Sold
8.80%
17.5M shares
Manufacturing - Metal Fabrication
Industrials
$66.2M
2.71%
+$9.3M
Bought
0.54%
269.4K shares
Aerospace & Defense
Industrials
$55.6M
2.28%
-$4.4M
Sold
0.10%
77.5K shares
Uranium
Energy
$52.3M
2.14%
-$11.8M
Sold
0.93%
168.7K shares

Changes

Portfolio activity, position movements, and quarter-over-quarter changes in GRANAHAN INVESTMENT MANAGEMENT INC/MA's latest filing

See all changes
Market Value
$2.4B
Prior: $2.5B
Q/Q Change
-0.581%
-$14.3M
Net Flows % of MV
-6.87%
Turnover Ratio
19.51%
New Purchases
12 stocks
$47.4M
Added To
60 stocks
+$338.4M
Sold Out Of
26 stocks
$177.1M
Reduced Holdings
66 stocks
-$376.6M

Increased Positions

PositionShares Δ
New
New
New
New
New

Decreased Positions

PositionShares Δ
Sold
Sold
Sold
Sold
Sold

Analytics

Portfolio insights and performance metrics for GRANAHAN INVESTMENT MANAGEMENT INC/MA

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Sector Allocation

Technology: 37.90%TechnologyIndustrials: 18.80%IndustrialsHealthcare: 11.10%HealthcareConsumer Cyclical: 9.30%Consumer CyclicalCommunication Services: 7.70%Financial Services: 6.60%Energy: 3.40%Consumer Defensive: 1.40%Real Estate: 0.90%Basic Materials: 0.50%
Technology
37.90%
Industrials
18.80%
Healthcare
11.10%
Consumer Cyclical
9.30%
Communication Services
7.70%
Financial Services
6.60%
Energy
3.40%
Consumer Defensive
1.40%
Real Estate
0.90%
Basic Materials
0.50%

Market Cap Distribution

Large Cap ($10B - $200B): 20.27%Large Cap ($10B - $200B)Mid Cap ($2B - $10B): 50.98%Mid Cap ($2B - $10B)Small Cap ($300M - $2B): 26.27%Small Cap ($300M - $2B)Micro Cap ($50M - $300M): 0.43%Nano Cap (< $50M): 1.26%N/A (ETF or Unknown): 0.81%
Large Cap ($10B - $200B)
20.27%
Mid Cap ($2B - $10B)
50.98%
Small Cap ($300M - $2B)
26.27%
Micro Cap ($50M - $300M)
0.43%
Nano Cap (< $50M)
1.26%
N/A (ETF or Unknown)
0.81%

Portfolio Concentration

Top 10 Holdings %
34.31%
Top 20 Holdings %
52.55%
Top 50 Holdings %
79.34%
Top 100 Holdings %
95.17%

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