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Latest NEEDHAM INVESTMENT MANAGEMENT LLC Stock Portfolio

$1.96Billion– No. of Holdings #176

NEEDHAM INVESTMENT MANAGEMENT LLC Performance:
2026 Q1: 12.26%YTD: 12.26%2025: 20.2%
Performance for 2026 Q1 is 12.26%, and YTD is 12.26%, and 2025 is 20.2%.

About NEEDHAM INVESTMENT MANAGEMENT LLC and 13F Hedge Fund Stock Holdings

On 2026-05-15, the fund reported it's updated stock portfolio. In the 13F Holdings report, NEEDHAM INVESTMENT MANAGEMENT LLC reported an equity portfolio of $2 Billions as of 31 Mar, 2026.

The top stock holdings of NEEDHAM INVESTMENT MANAGEMENT LLC are LASR, VICR, VRT. The fund has invested 5.6% of it's portfolio in NLIGHT INC and 4.3% of portfolio in VICOR CORP.

The fund managers got completely rid off AIR LEASE CORP (AL), CHART INDS INC (GTLS) and CARTERS INC (CRI) stocks. They significantly reduced their stock positions in ICHOR HOLDINGS (ICHR), ULTRA CLEAN HLDGS INC (UCTT) and STANDARD BIOTOOLS INC (LAB). NEEDHAM INVESTMENT MANAGEMENT LLC opened new stock positions in MASTEC INC (MTZ), UNUSUAL MACHS INC and LIGHTPATH TECHNOLOGIES INC (LPTH). The fund showed a lot of confidence in some stocks as they added substantially to TENNANT CO (TNC), NETSKOPE INC and COSTAR GROUP INC (CSGP).
NEEDHAM INVESTMENT MANAGEMENT LLC Equity Portfolio Value
Last Reported on: 15 May, 2026

NEEDHAM INVESTMENT MANAGEMENT LLC Annual Return Estimates Vs S&P 500

Our best estimate is that NEEDHAM INVESTMENT MANAGEMENT LLC made a return of 12.26% in the last quarter. In trailing 12 months, it's portfolio return was 54.45%.
  • Performance
  • S&P 500

New Buys

Ticker$ Bought
mastec inc6,466,970
unusual machs inc6,014,000
lightpath technologies inc5,290,820
ambiq micro inc5,082,000
red cat hldgs inc4,974,200
synaptics inc2,591,480
heico corp new1,371,000
aerovironment inc1,144,060
New stocks bought by NEEDHAM INVESTMENT MANAGEMENT LLC

Additions

Ticker% Inc.
tennant co239
netskope inc233
costar group inc134
precision optics corp inc ma132
evolv technologies hldngs in127
axcelis technologies inc112
generac hldgs inc110
life time group holdings inc108
Additions to existing portfolio by NEEDHAM INVESTMENT MANAGEMENT LLC

Reductions

Ticker% Reduced
ichor holdings-96.84
ultra clean hldgs inc-91.67
standard biotools inc-83.56
ttm technologies inc-52.77
penguin solutions inc-51.22
quest diagnostics inc-40.00
entegris inc-38.87
commerce.com inc-32.74
NEEDHAM INVESTMENT MANAGEMENT LLC reduced stake in above stock

Sold off

Ticker$ Sold
rapid7 inc-1,368,000
carters inc-2,189,020
enhabit inc-461,000
air lease corp-2,890,350
southwest airls co-820,401
chart inds inc-2,577,880
pure storage inc-335,050
NEEDHAM INVESTMENT MANAGEMENT LLC got rid off the above stocks

Sector Distribution

NEEDHAM INVESTMENT MANAGEMENT LLC has about 44.9% of it's holdings in Technology sector.

  • Technology
  • Industrials
  • Others
  • Consumer Defensive
  • Basic Materials
  • Consumer Cyclical
  • Healthcare
  • Energy
Sector%
Technology44.9
Industrials21.9
Others11.4
Consumer Defensive5.4
Basic Materials4.9
Consumer Cyclical3.5
Healthcare3.2
Energy1.6
1.2

Market Cap. Distribution

NEEDHAM INVESTMENT MANAGEMENT LLC has about 23.2% of it's portfolio invested in the large-cap and mega-cap stocks.

  • SMALL-CAP
  • MID-CAP
  • LARGE-CAP
  • UNALLOCATED
  • MICRO-CAP
Category%
SMALL-CAP30.8
MID-CAP27.9
LARGE-CAP23.2
UNALLOCATED11.7
MICRO-CAP5.5

Stocks belong to which Index?

About 65.9% of the stocks held by NEEDHAM INVESTMENT MANAGEMENT LLC either belong to S&P 500 or RUSSELL 2000 index.

  • RUSSELL 2000
  • Others
  • S&P 500
Index%
RUSSELL 200055.3
Others34.1
S&P 50010.6
Top 5 Winners (%)%
ICHR
ichor holdings
78.9 %
UCTT
ultra clean hldgs inc
78.8 %
FORM
formfactor inc
69.0 %
LINC
lincoln edl svcs corp
61.8 %
GLW
corning inc
55.3 %
Top 5 Winners ($)$
LASR
nlight inc
36.9 M
VICR
vicor corp
28.1 M
FORM
formfactor inc
26.7 M
VRT
vertiv holdings co
25.3 M
LINC
lincoln edl svcs corp
19.9 M
Top 5 Losers (%)%
ALIT
alight inc
-70.1 %
GENI
genius sports limited
-55.4 %
VITL
vital farms inc
-50.2 %
kindercare learning companie
-49.1 %
fortrea hldgs inc
-45.4 %
Top 5 Losers ($)$
TDUP
thredup inc
-23.9 M
GENI
genius sports limited
-22.0 M
VITL
vital farms inc
-16.3 M
SMCI
super micro computer inc
-9.7 M
CRAI
cra intl inc
-4.6 M

NEEDHAM INVESTMENT MANAGEMENT LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of NEEDHAM INVESTMENT MANAGEMENT LLC

NEEDHAM INVESTMENT MANAGEMENT LLC has 176 stocks in it's portfolio. About 32.9% of the portfolio is in top 10 stocks. TDUP proved to be the most loss making stock for the portfolio. LASR was the most profitable stock for NEEDHAM INVESTMENT MANAGEMENT LLC last quarter.

Last Reported on: 15 May, 2026
TickerNamesorted ascending% PortfolioShares Held$ ValueType% ChangeOptions