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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
+11.35%
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
$1.58B
AUM Growth
+$149M
Cap. Flow
+$94.2M
Cap. Flow %
5.95%
Top 10 Hldgs %
30.1%
Holding
169
New
8
Increased
69
Reduced
39
Closed
7

Top Buys

Rank Stock Value
1
VSH icon
Vishay Intertechnology
VSH
+$8.27M
2
SOLS
Solstice Advanced Materials
SOLS
+$8.24M
3
UTI icon
Universal Technical Institute
UTI
+$7.29M
4
CECO icon
Ceco Environmental
CECO
+$6.61M
5
TTI icon
TETRA Technologies
TTI
+$6.56M

Top Sells

Rank Stock Value
1
KVYO icon
Klaviyo
KVYO
+$6.72M
2
VICR icon
Vicor
VICR
+$6.09M
3
DD icon
DuPont de Nemours
DD
+$5.17M
4
COHR icon
Coherent
COHR
+$4.19M
5
PRO
PROS Holdings
PRO
+$3.89M

Sector Composition

Rank Sector Weight
1 Technology 49.12%
2 Industrials 22.55%
3 Healthcare 5.24%
4 Consumer Discretionary 4.73%
5 Materials 4.68%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PSN icon
26
Parsons
PSN
$5.08B
$20M 1.27%
324,000
+29,000
+10% +$2.27M
CRAI icon
27
CRA International
CRAI
$1.06B
$19.8M 1.25%
98,756
+7,250
+8% +$1.37M
CECO icon
28
Ceco Environmental
CECO
$4.14B
$17.9M 1.13%
298,500
+123,500
+71% +$6.61M
BRKR icon
29
Bruker
BRKR
$8.14B
$17.2M 1.09%
364,650
-35,350
-9% -$1.49M
HII icon
30
Huntington Ingalls Industries
HII
$12.8B
$17.2M 1.09%
50,500
-4,000
-7% -$1.24M
MTRX icon
31
Matrix Service
MTRX
$335M
$16.8M 1.06%
1,435,000
– –
CLH icon
32
Clean Harbors
CLH
$16.3B
$16.1M 1.02%
68,856
+5,875
+9% +$1.34M
ENTG icon
33
Entegris
ENTG
$23.2B
$16.1M 1.02%
191,400
-39,600
-17% -$3.44M
KLAC icon
34
KLA
KLAC
$259B
$15.8M 1%
130,000
– –
NVT icon
35
nVent Electric
NVT
$26.7B
$15.8M 1%
154,500
– –
ATRO icon
36
Astronics
ATRO
$3.84B
$14.8M 0.93%
327,000
– –
TMO icon
37
Thermo Fisher Scientific
TMO
$220B
$14.6M 0.92%
25,250
-1,000
-4% -$566K
LH icon
38
Labcorp
LH
$25.9B
$14.1M 0.89%
56,313
– –
AKAM icon
39
Akamai
AKAM
$15.9B
$13.7M 0.86%
156,500
+4,000
+3% +$329K
MKL icon
40
Markel Group
MKL
$23.2B
$13.4M 0.85%
6,225
+450
+8% +$912K
UIS icon
41
Unisys
UIS
$217M
$13.3M 0.84%
4,812,200
-277,800
-5% -$868K
BFAM icon
42
Bright Horizons
BFAM
$3.86B
$13.1M 0.83%
129,000
+11,500
+10% +$1.16M
TTMI icon
43
TTM Technologies
TTMI
$14.5B
$12.8M 0.81%
185,250
-32,250
-15% -$2.1M
ADTN icon
44
Adtran
ADTN
$616M
$12.6M 0.79%
1,447,500
+272,500
+23% +$2.37M
GRC icon
45
Gorman-Rupp
GRC
$2.21B
$12.4M 0.78%
260,000
+60,000
+30% +$2.79M
ASPN icon
46
Aspen Aerogels
ASPN
$518M
$12.3M 0.78%
4,351,700
+912,000
+27% +$4.7M
WAB icon
47
Wabtec
WAB
$49.3B
$11.9M 0.75%
55,750
– –
VSAT icon
48
Viasat
VSAT
$11.1B
$11.4M 0.72%
330,600
-24,500
-7% -$865K
ECG
49
Everus Construction Group
ECG
$6.99B
$10.8M 0.68%
126,500
+9,000
+8% +$805K
MDU icon
50
MDU Resources
MDU
$4.32B
$10.6M 0.67%
542,000
+22,000
+4% +$433K
1
2
3 4 5

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Needham Investment Management's Q4 2025 Portfolio in Review

As of Q4 2025, Needham Investment Management held 169 positions worth $1.58B, up 10% from $1.43B the previous quarter. Its ten largest holdings account for 30% of the portfolio.

Needham Investment Management deployed $94.2M of net new capital in Q4 2025, opening 8 new positions and adding to 69 existing holdings. Its largest new stake was Solstice Advanced Materials: 175,000 shares worth $8.5M.

By sector, the portfolio is most concentrated in Technology at 49% of assets, down from 50% a quarter earlier, followed by Industrials and Healthcare.

On the sell side, the largest reduction was Klaviyo, an estimated $6.72M trimmed.

  • Needham Investment Management's largest Q4 2025 buy was Solstice Advanced Materials: 175,000 shares worth $8.5M.
  • Needham Investment Management added most to Vishay Intertechnology in Q4 2025, an estimated $8.27M increase.
  • Needham Investment Management's biggest Q4 2025 reduction was Klaviyo, cutting an estimated $6.72M.
  • Needham Investment Management fully exited PROS Holdings in Q4 2025, selling an estimated $3.89M.
  • Needham Investment Management's ten largest holdings make up 30% of its $1.58B portfolio in Q4 2025.
  • Needham Investment Management opened 8 new positions and closed 7 in Q4 2025.
  • Needham Investment Management's portfolio value rose 10% quarter-over-quarter to $1.58B.

Based on Needham Investment Management's 13F filing for Q4 2025, filed 17 Feb 2026.