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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
TMO icon
51
Thermo Fisher Scientific
TMO
$211B
$12.4M 0.63%
25,250
– –
J icon
52
Jacobs Solutions
J
$15.9B
$12.2M 0.62%
96,000
+38,000
+66% +$5.17M
BWXT icon
53
BWX Technologies
BWXT
$16B
$12.1M 0.62%
59,000
+23,000
+64% +$4.67M
MDU icon
54
MDU Resources
MDU
$4.44B
$11.6M 0.59%
557,500
+15,500
+3% +$317K
EQIX icon
55
Equinix
EQIX
$107B
$11M 0.56%
11,200
+450
+4% +$400K
MYRG icon
56
MYR Group
MYRG
$5.9B
$10.9M 0.56%
38,600
– –
BFAM icon
57
Bright Horizons
BFAM
$3.99B
$10.6M 0.54%
129,000
– –
ESOA icon
58
Energy Services of America
ESOA
$297M
$10.5M 0.54%
800,000
+214,560
+37% +$2.52M
CAMT icon
59
Camtek
CAMT
$6.9B
$10.1M 0.52%
66,500
-9,000
-12% -$1.36M
TRNS icon
60
Transcat
TRNS
$793M
$9.59M 0.49%
130,500
+6,130
+5% +$432K
UIS icon
61
Unisys
UIS
$227M
$9.17M 0.47%
4,428,000
-384,200
-8% -$964K
TER icon
62
Teradyne
TER
$54.8B
$8.6M 0.44%
29,000
-1,000
-3% -$279K
TTMI icon
63
TTM Technologies
TTMI
$13.6B
$8.52M 0.44%
87,500
-97,750
-53% -$9.3M
CGNX icon
64
Cognex
CGNX
$10.3B
$8.48M 0.43%
173,000
– –
GILD icon
65
Gilead Sciences
GILD
$161B
$7.67M 0.39%
55,000
– –
ASML icon
66
ASML
ASML
$675B
$7.66M 0.39%
5,800
+300
+5% +$411K
MASS icon
67
908 Devices
MASS
$293M
$7.59M 0.39%
1,240,000
+470,000
+61% +$2.94M
MTN icon
68
Vail Resorts
MTN
$5.19B
$7.57M 0.39%
59,000
– –
EVLV icon
69
Evolv Technologies
EVLV
$943M
$7.56M 0.39%
1,250,000
+700,000
+127% +$4.1M
BSY icon
70
Bentley Systems
BSY
$9.54B
$7.55M 0.39%
215,000
+75,000
+54% +$2.76M
MOD icon
71
Modine Manufacturing
MOD
$12.8B
$7.48M 0.38%
34,500
+9,500
+38% +$1.79M
POCI icon
72
Precision Optics
POCI
$47.1M
$7.33M 0.37%
1,670,550
+950,550
+132% +$4.35M
SMID icon
73
Smith-Midland
SMID
$161M
$7.32M 0.37%
225,000
– –
RSSS icon
74
Research Solutions
RSSS
$73.6M
$7.13M 0.36%
3,155,000
+10,000
+0.3% +$25.6K
HQL
75
abrdn Life Sciences Investors
HQL
$585M
$6.99M 0.36%
429,573
+26,209
+6% +$438K
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.