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Needham Investment Management Portfolio holdings
AUM
$3.33B
Turnover
12.77%
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
(+70%)
Cap. Flow
+$316M
Cap. Flow % of AUM
Cap. Flow %
9.5%
Top 10 Holdings %
Top 10 Hldgs %
38.13%
Holding
188
New
12
Increased
76
Reduced
28
Closed
12
Avg Time Held
4.6
years
Top 10 Avg Time Held
2.1
years
Top 20 Avg Time Held
3.1
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
The Elmet Group
ELMT
|
+$45.3M |
| 2 |
Ceco Environmental
CECO
|
+$45.1M |
| 3 |
TETRA Technologies
TTI
|
+$22.3M |
| 4 |
Lantronix
LTRX
|
+$20.2M |
| 5 |
Franklin Electric
FELE
|
+$15.5M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Thermon Group Holdings
THR
|
+$31.9M |
| 2 |
Adtran
ADTN
|
+$12.1M |
| 3 |
FormFactor
FORM
|
+$7.43M |
| 4 |
Aspen Aerogels
ASPN
|
+$6.17M |
| 5 |
Coherent
COHR
|
+$4.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 54.91% |
| 2 | Industrials | 21.68% |
| 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 | Held Since | |
|---|---|---|---|---|---|---|---|
1
Vicor
VICR
$8.22B
| $199M | 5.98% |
524,000
+2,000
| +0.4% | +$546K |
2014 Q4
46 quarters
|
|
2
Arteris
AIP
$944M
| $191M | 5.74% |
3,927,500
-25,000
| -0.6% | -$800K |
2023 Q1
13 quarters
|
|
3
Vishay Intertechnology
VSH
$4.18B
| $163M | 4.91% |
3,035,610
+115,610
| +4% | +$4.73M |
2013 Q2
52 quarters
|
|
4
PDF Solutions
PDFS
$1.66B
| $146M | 4.4% |
2,065,000
+42,300
| +2% | +$2.1M |
2013 Q2
52 quarters
|
|
5
nLIGHT
LASR
$2.1B
| $139M | 4.17% |
1,992,740
+70,000
| +4% | +$4.88M |
2021 Q2
20 quarters
|
|
6
Vertiv
VRT
$75.2B
| $95.7M | 2.88% |
285,750
+500
| +0.2% | +$159K |
2021 Q4
18 quarters
|
|
7
Vishay Precision Group
VPG
$718M
| $89.8M | 2.7% |
599,000
-21,000
| -3% | -$1.95M |
2017 Q1
37 quarters
|
|
|
8
FormFactor
FORM
$7.77B
| $87.6M | 2.63% |
547,500
-56,000
| -9% | -$7.43M |
2013 Q2
52 quarters
|
|
|
9
Ceco Environmental
CECO
$2.98B
| $86.9M | 2.61% |
957,500
+570,000
| +147% | +$45.1M |
2025 Q3
3 quarters
|
|
10
Oil-Dri
ODC
$1.09B
| $70.1M | 2.11% |
686,000
+8,500
| +1% | +$680K |
2013 Q2
52 quarters
|
|
11
ThredUp
TDUP
$268M
| $69.7M | 2.1% |
10,175,000
+900,000
| +10% | +$4.21M |
2021 Q3
19 quarters
|
|
12
Lincoln Educational Services
LINC
$686M
| $66.1M | 1.99% |
1,325,000
+47,500
| +4% | +$2.15M |
2024 Q2
8 quarters
|
|
13
Veeco
VECO
$2.62B
| $64.1M | 1.93% |
845,850
-34,150
| -4% | -$1.95M |
2020 Q2
24 quarters
|
|
|
14
TETRA Technologies
TTI
$783M
| $64M | 1.93% |
5,651,500
+2,276,500
| +67% | +$22.3M |
2025 Q1
5 quarters
|
|
15
Super Micro Computer
SMCI
$21.6B
| $54.5M | 1.64% |
1,858,500
+242,000
| +15% | +$7.71M |
2020 Q1
25 quarters
|
|
|
16
The Elmet Group
ELMT
$661M
| $52.1M | 1.57% |
+2,639,416
| New | +$45.3M |
2026 Q2
0 quarters
|
|
17
MKS Inc
MKSI
$13.4B
| $49.9M | 1.5% |
112,250
-7,750
| -6% | -$2.43M |
2013 Q2
52 quarters
|
|
18
Universal Technical Institute
UTI
$1.2B
| $48.3M | 1.45% |
1,130,000
+100,000
| +10% | +$3.84M |
2024 Q2
8 quarters
|
|
19
Nova
NVMI
$9.9B
| $48.1M | 1.45% |
88,650
-3,500
| -4% | -$1.8M |
2013 Q2
52 quarters
|
|
|
20
Coherent
COHR
$41.2B
| $36.5M | 1.1% |
92,500
-13,000
| -12% | -$4.6M |
2013 Q2
52 quarters
|
|
21
KLA
KLAC
$191B
| $30.9M | 0.93% |
102,500
| – | – |
2019 Q1
29 quarters
|
|
22
CRA International
CRAI
$1.24B
| $30.7M | 0.92% |
215,506
+75,500
| +54% | +$11.4M |
2019 Q3
27 quarters
|
|
23
Genius Sports
GENI
$1.68B
| $29.8M | 0.9% |
4,925,000
+925,000
| +23% | +$4.79M |
2023 Q3
11 quarters
|
|
24
Viasat
VSAT
$8.45B
| $29.7M | 0.89% |
330,600
| – | – |
2013 Q2
52 quarters
|
|
25
Parsons
PSN
$5.19B
| $29.1M | 0.87% |
555,000
+146,000
| +36% | +$7.89M |
2019 Q2
28 quarters
|
|
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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.