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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
VICR icon
1
Vicor
VICR
$8.97B
$199M 5.98%
524,000
+2,000
+0.4% +$546K
AIP icon
2
Arteris
AIP
$1.11B
$191M 5.74%
3,927,500
-25,000
-0.6% -$800K
VSH icon
3
Vishay Intertechnology
VSH
$4.92B
$163M 4.91%
3,035,610
+115,610
+4% +$4.73M
PDFS icon
4
PDF Solutions
PDFS
$2.06B
$146M 4.4%
2,065,000
+42,300
+2% +$2.1M
LASR icon
5
nLIGHT
LASR
$2.37B
$139M 4.17%
1,992,740
+70,000
+4% +$4.88M
VRT icon
6
Vertiv
VRT
$114B
$95.7M 2.88%
285,750
+500
+0.2% +$159K
VPG icon
7
Vishay Precision Group
VPG
$868M
$89.8M 2.7%
599,000
-21,000
-3% -$1.95M
FORM icon
8
FormFactor
FORM
$8.68B
$87.6M 2.63%
547,500
-56,000
-9% -$7.43M
CECO icon
9
Ceco Environmental
CECO
$4.67B
$86.9M 2.61%
957,500
+570,000
+147% +$45.1M
ODC icon
10
Oil-Dri
ODC
$1.26B
$70.1M 2.11%
686,000
+8,500
+1% +$680K
TDUP icon
11
ThredUp
TDUP
$351M
$69.7M 2.1%
10,175,000
+900,000
+10% +$4.21M
LINC icon
12
Lincoln Educational Services
LINC
$812M
$66.1M 1.99%
1,325,000
+47,500
+4% +$2.15M
VECO icon
13
Veeco
VECO
$2.81B
$64.1M 1.93%
845,850
-34,150
-4% -$1.95M
TTI icon
14
TETRA Technologies
TTI
$1.04B
$64M 1.93%
5,651,500
+2,276,500
+67% +$22.3M
SMCI icon
15
Super Micro Computer
SMCI
$27B
$54.5M 1.64%
1,858,500
+242,000
+15% +$7.71M
ELMT
16
The Elmet Group
ELMT
$525M
$52.1M 1.57%
+2,639,416
New +$45.3M
MKSI icon
17
MKS Inc
MKSI
$18.2B
$49.9M 1.5%
112,250
-7,750
-6% -$2.43M
UTI icon
18
Universal Technical Institute
UTI
$1.2B
$48.3M 1.45%
1,130,000
+100,000
+10% +$3.84M
NVMI
19
Nova
NVMI
$12.3B
$48.1M 1.45%
88,650
-3,500
-4% -$1.8M
COHR icon
20
Coherent
COHR
$60.6B
$36.5M 1.1%
92,500
-13,000
-12% -$4.6M
KLAC icon
21
KLA
KLAC
$248B
$30.9M 0.93%
102,500
– –
CRAI icon
22
CRA International
CRAI
$1.04B
$30.7M 0.92%
215,506
+75,500
+54% +$11.4M
GENI icon
23
Genius Sports
GENI
$1.96B
$29.8M 0.9%
4,925,000
+925,000
+23% +$4.79M
VSAT icon
24
Viasat
VSAT
$10.8B
$29.7M 0.89%
330,600
– –
PSN icon
25
Parsons
PSN
$5.13B
$29.1M 0.87%
555,000
+146,000
+36% +$7.89M
1
2 3 4 5

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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.