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NIM

Needham Investment Management Portfolio holdings

AUM $1.96B
1-Year Est. Return 101.23%
This Fund
S&P 500
This Quarter Est. Return
+20.51%
1 Year Est. Return
+101.23%
3 Year Est. Return
+267.12%
5 Year Est. Return
+252.76%
10 Year Est. Return
+1,102.05%
AUM
$1.96B
AUM Growth
+$374M
Cap. Flow
+$155M
Cap. Flow %
7.91%
Top 10 Hldgs %
32.88%
Holding
183
New
21
Increased
65
Reduced
29
Closed
7

Top Buys

Rank Stock Value
1
TDUP icon
ThredUp
TDUP
+$14.8M
2
TNC icon
Tennant Co
TNC
+$11.7M
3
VITL icon
Vital Farms
VITL
+$11M
4
TTI icon
TETRA Technologies
TTI
+$10M
5
VSH icon
Vishay Intertechnology
VSH
+$9.91M

Top Sells

Rank Stock Value
1
TTMI icon
TTM Technologies
TTMI
+$9.3M
2
ENTG icon
Entegris
ENTG
+$8.79M
3
NVMI
Nova
NVMI
+$8.63M
4
VICR icon
Vicor
VICR
+$7.9M
5
FORM icon
FormFactor
FORM
+$7.83M

Sector Composition

Rank Sector Weight
1 Technology 48.33%
2 Industrials 25.1%
3 Consumer Staples 5.4%
4 Materials 5.03%
5 Healthcare 4.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LASR icon
1
nLIGHT
LASR
$3.95B
$110M 5.6%
1,922,740
+65,000
+3% +$3.52M
VICR icon
2
Vicor
VICR
$9.62B
$84M 4.29%
522,000
-47,775
-8% -$7.9M
VRT icon
3
Vertiv
VRT
$112B
$71.5M 3.65%
285,250
– –
PDFS icon
4
PDF Solutions
PDFS
$2.13B
$66.2M 3.38%
2,022,700
+57,700
+3% +$1.89M
AIP icon
5
Arteris
AIP
$1.4B
$65M 3.32%
3,952,500
+541,000
+16% +$8.57M
FORM icon
6
FormFactor
FORM
$8.11B
$58.5M 2.99%
603,500
-91,000
-13% -$7.83M
VSH icon
7
Vishay Intertechnology
VSH
$5.86B
$52.6M 2.69%
2,920,000
+545,000
+23% +$9.91M
LINC icon
8
Lincoln Educational Services
LINC
$1.29B
$52M 2.66%
1,277,500
+152,500
+14% +$4.8M
ODC icon
9
Oil-Dri
ODC
$1.43B
$44.1M 2.25%
677,500
+42,500
+7% +$2.59M
NVMI
10
Nova
NVMI
$13.9B
$40M 2.05%
92,150
-19,600
-18% -$8.63M
UTI icon
11
Universal Technical Institute
UTI
$2.08B
$37.2M 1.9%
1,030,000
+222,500
+28% +$7.02M
SMCI icon
12
Super Micro Computer
SMCI
$19.5B
$36.8M 1.88%
1,616,500
+236,500
+17% +$7.1M
THR
13
DELISTED
Thermon Group Holdings
THR
$31.9M 1.63%
632,500
+12,500
+2% +$583K
TDUP icon
14
ThredUp
TDUP
$736M
$30.4M 1.55%
9,275,000
+3,200,000
+53% +$14.8M
VECO icon
15
Veeco
VECO
$3.15B
$29.8M 1.52%
880,000
+75,000
+9% +$2.39M
TTI icon
16
TETRA Technologies
TTI
$1.23B
$28.8M 1.47%
3,375,000
+1,000,000
+42% +$10M
MKSI icon
17
MKS Inc
MKSI
$22.2B
$27.6M 1.41%
120,000
-10,500
-8% -$2.37M
VPG icon
18
Vishay Precision Group
VPG
$1.39B
$26.9M 1.38%
620,000
-37,500
-6% -$1.69M
COHR icon
19
Coherent
COHR
$55.2B
$25.1M 1.28%
105,500
-32,000
-23% -$7.33M
ARLO icon
20
Arlo Technologies
ARLO
$1.4B
$25M 1.28%
1,760,000
+220,000
+14% +$2.94M
PLAB icon
21
Photronics
PLAB
$1.79B
$24.4M 1.25%
605,000
-170,000
-22% -$6.15M
CTRI icon
22
Centuri Holdings
CTRI
$2.79B
$23.9M 1.22%
817,628
+20,000
+3% +$583K
CECO icon
23
Ceco Environmental
CECO
$4.42B
$23.1M 1.18%
387,500
+89,000
+30% +$5.73M
CRAI icon
24
CRA International
CRAI
$1.1B
$22.7M 1.16%
140,006
+41,250
+42% +$7.44M
ASUR icon
25
Asure Software
ASUR
$220M
$22.4M 1.15%
2,607,500
+37,500
+1% +$331K
1
2 3 4 5

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Needham Investment Management's Q1 2026 Portfolio in Review

As of Q1 2026, Needham Investment Management held 183 positions worth $1.96B, up 24% from $1.58B the previous quarter. Its ten largest holdings account for 33% of the portfolio.

Needham Investment Management deployed $155M of net new capital in Q1 2026, opening 21 new positions and adding to 65 existing holdings. Its largest new stake was Unusual Machines: 485,000 shares worth $6.01M.

By sector, the portfolio is most concentrated in Technology at 48% of assets, down from 49% a quarter earlier, followed by Industrials and Consumer Staples.

On the sell side, the largest reduction was TTM Technologies, an estimated $9.3M trimmed.

  • Needham Investment Management's largest Q1 2026 buy was Unusual Machines: 485,000 shares worth $6.01M.
  • Needham Investment Management added most to ThredUp in Q1 2026, an estimated $14.8M increase.
  • Needham Investment Management's biggest Q1 2026 reduction was TTM Technologies, cutting an estimated $9.3M.
  • Needham Investment Management fully exited Air Lease Corp in Q1 2026, selling an estimated $2.89M.
  • Needham Investment Management's ten largest holdings make up 33% of its $1.96B portfolio in Q1 2026.
  • Needham Investment Management opened 21 new positions and closed 7 in Q1 2026.
  • Needham Investment Management's portfolio value rose 24% quarter-over-quarter to $1.96B.

Based on Needham Investment Management's 13F filing for Q1 2026, filed 15 May 2026.