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NIM

Needham Investment Management Portfolio holdings

AUM $3.33B
1-Year Est. Return 163.16%
This Fund
S&P 500
This Quarter Est. Return
+72.57%
1 Year Est. Return
+163.16%
3 Year Est. Return
+424.09%
5 Year Est. Return
+460.72%
10 Year Est. Return
+1,945.3%
AUM
$3.33B
AUM Growth
+$1.37B
Cap. Flow
+$316M
Cap. Flow %
9.5%
Top 10 Hldgs %
38.13%
Holding
188
New
12
Increased
76
Reduced
28
Closed
12

Top Buys

Rank Stock Value
1
ELMT
The Elmet Group
ELMT
+$45.3M
2
CECO icon
Ceco Environmental
CECO
+$45.1M
3
TTI icon
TETRA Technologies
TTI
+$22.3M
4
LTRX icon
Lantronix
LTRX
+$20.2M
5
FELE icon
Franklin Electric
FELE
+$15.5M

Top Sells

Rank Stock Value
1
THR
Thermon Group Holdings
THR
+$31.9M
2
ADTN icon
Adtran
ADTN
+$12.1M
3
FORM icon
FormFactor
FORM
+$7.43M
4
ASPN icon
Aspen Aerogels
ASPN
+$6.17M
5
COHR icon
Coherent
COHR
+$4.6M

Sector Composition

Rank Sector Weight
1 Technology 55.11%
2 Industrials 21.48%
3 Materials 4.41%
4 Consumer Staples 3.88%
5 Consumer Discretionary 3.57%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AMBA icon
76
Ambarella
AMBA
$2.88B
$11.6M 0.35%
135,000
+115,000
+575% +$7.91M
MTN icon
77
Vail Resorts
MTN
$4.79B
$11.5M 0.35%
84,500
+25,500
+43% +$3.32M
HLIT icon
78
Harmonic Inc
HLIT
$1.3B
$11.4M 0.34%
700,000
+32,000
+5% +$408K
CYRX icon
79
CryoPort
CYRX
$786M
$11.3M 0.34%
717,000
+357,000
+99% +$4.58M
SITM icon
80
SiTime
SITM
$18.6B
$11.2M 0.34%
15,000
– –
GLW icon
81
Corning
GLW
$144B
$10.9M 0.33%
42,500
+500
+1% +$91K
LRCX icon
82
Lam Research
LRCX
$400B
$10.8M 0.33%
25,000
– –
DDD icon
83
3D Systems Corp
DDD
$572M
$10.6M 0.32%
+3,525,200
New +$9.6M
CAMT icon
84
Camtek
CAMT
$6.86B
$10.4M 0.31%
64,000
-2,500
-4% -$443K
CALX icon
85
Calix
CALX
$2.23B
$10.3M 0.31%
+275,000
New +$11.5M
MOD icon
86
Modine Manufacturing
MOD
$10.4B
$10.1M 0.31%
38,000
+3,500
+10% +$923K
AVAV icon
87
AeroVironment
AVAV
$7.56B
$10.1M 0.3%
61,000
+54,750
+876% +$9.8M
CEVA icon
88
CEVA Inc
CEVA
$795M
$9.9M 0.3%
210,000
-20,000
-9% -$707K
ROG icon
89
Rogers Corp
ROG
$2.3B
$9.01M 0.27%
55,000
-3,000
-5% -$412K
HQL
90
abrdn Life Sciences Investors
HQL
$624M
$8.87M 0.27%
443,041
+13,468
+3% +$238K
POCI icon
91
Precision Optics
POCI
$48.3M
$8.52M 0.26%
1,670,550
– –
MATW icon
92
Matthews International
MATW
$643M
$8.08M 0.24%
300,000
+185,000
+161% +$4.97M
CRH icon
93
CRH
CRH
$61.2B
$7.56M 0.23%
70,700
+6,000
+9% +$660K
RCAT icon
94
Red Cat Holdings
RCAT
$1.34B
$7.32M 0.22%
687,500
+307,500
+81% +$3.54M
RSSS icon
95
Research Solutions
RSSS
$73.3M
$7.32M 0.22%
3,155,000
– –
HQH
96
abrdn Healthcare Investors
HQH
$1.28B
$7.05M 0.21%
320,825
+9,541
+3% +$188K
GILD icon
97
Gilead Sciences
GILD
$181B
$6.95M 0.21%
55,000
– –
NTIC icon
98
Northern Technologies International Corp
NTIC
$75.6M
$6.85M 0.21%
800,000
+35,000
+5% +$282K
DPRO
99
Draganfly
DPRO
$225M
$6.78M 0.2%
1,250,000
+1,190,000
+1,983% +$6.89M
KMX icon
100
CarMax
KMX
$8.6B
$6.74M 0.2%
127,500
-1,000
-0.8% -$43.5K
2 3
4
5 6

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Needham Investment Management's Q2 2026 Portfolio in Review

As of Q2 2026, Needham Investment Management held 188 positions worth $3.33B, up 70% from $1.96B the previous quarter. Its ten largest holdings account for 38% of the portfolio.

Needham Investment Management deployed $316M of net new capital in Q2 2026, opening 12 new positions and adding to 76 existing holdings. Its largest new stake was The Elmet Group: 2,639,416 shares worth $52.1M.

By sector, the portfolio is most concentrated in Technology at 55% of assets, up from 48% a quarter earlier, followed by Industrials and Materials.

On the sell side, the largest reduction was Adtran, an estimated $12.1M trimmed.

  • Needham Investment Management's largest Q2 2026 buy was The Elmet Group: 2,639,416 shares worth $52.1M.
  • Needham Investment Management added most to Ceco Environmental in Q2 2026, an estimated $45.1M increase.
  • Needham Investment Management's biggest Q2 2026 reduction was Adtran, cutting an estimated $12.1M.
  • Needham Investment Management fully exited Thermon Group Holdings in Q2 2026, selling an estimated $31.9M.
  • Needham Investment Management's ten largest holdings make up 38% of its $3.33B portfolio in Q2 2026.
  • Needham Investment Management opened 12 new positions and closed 12 in Q2 2026.
  • Needham Investment Management's portfolio value rose 70% quarter-over-quarter to $3.33B.

Based on Needham Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.