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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
CRH icon
76
CRH
CRH
$66.7B
$6.8M 0.35%
64,700
+24,000
+59% +$2.82M
CMCSA icon
77
Comcast
CMCSA
$79.1B
$6.65M 0.34%
231,500
– –
MTZ icon
78
MasTec
MTZ
$26.7B
$6.47M 0.33%
+20,100
New +$5.44M
LTH icon
79
Life Time Group Holdings
LTH
$9.42B
$6.47M 0.33%
240,000
+125,000
+109% +$3.46M
NTIC icon
80
Northern Technologies International Corp
NTIC
$76.4M
$6.3M 0.32%
765,000
+51,743
+7% +$457K
ROG icon
81
Rogers Corp
ROG
$2.33B
$6.23M 0.32%
58,000
-2,000
-3% -$206K
HON icon
82
Honeywell
HON
$77.1B
$6.22M 0.32%
27,500
– –
BATRK icon
83
Atlanta Braves Holdings Series B
BATRK
$3.23B
$6.19M 0.32%
145,000
+40,000
+38% +$1.66M
UMAC icon
84
Unusual Machines
UMAC
$925M
$6.01M 0.31%
+485,000
New +$7.38M
HLIT icon
85
Harmonic Inc
HLIT
$1.21B
$6M 0.31%
668,000
+123,000
+23% +$1.22M
CSGP icon
86
CoStar Group
CSGP
$11.3B
$5.73M 0.29%
142,000
+81,500
+135% +$4.24M
GLW icon
87
Corning
GLW
$126B
$5.71M 0.29%
42,000
– –
CMT icon
88
Core Molding Technologies
CMT
$210M
$5.65M 0.29%
252,371
-979
-0.4% -$19.3K
HQH
89
abrdn Healthcare Investors
HQH
$1.23B
$5.54M 0.28%
311,284
+19,354
+7% +$366K
NVGS icon
90
Navigator Holdings
NVGS
$1.34B
$5.53M 0.28%
286,000
– –
KMX icon
91
CarMax
KMX
$8.27B
$5.34M 0.27%
128,500
-1,000
-0.8% -$43.8K
LRCX icon
92
Lam Research
LRCX
$382B
$5.34M 0.27%
25,000
– –
LPTH icon
93
Lightpath Technologies
LPTH
$680M
$5.29M 0.27%
+527,500
New +$6.05M
SITM icon
94
SiTime
SITM
$16.6B
$5.18M 0.26%
15,000
-500
-3% -$184K
AMBQ
95
Ambiq Micro
AMBQ
$1.7B
$5.08M 0.26%
+200,000
New +$5.97M
RCAT icon
96
Red Cat Holdings
RCAT
$1.16B
$4.97M 0.25%
+380,000
New +$5.19M
MRVL icon
97
Marvell Technology
MRVL
$174B
$4.78M 0.24%
48,250
– –
AAPL icon
98
Apple
AAPL
$4.89T
$4.68M 0.24%
18,450
– –
BOX icon
99
Box
BOX
$4.02B
$4.61M 0.24%
195,000
+5,000
+3% +$126K
MDT icon
100
Medtronic
MDT
$107B
$4.6M 0.23%
53,041
– –
2 3
4
5 6

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HA
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FC
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WPC
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TCM
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FFH
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OCM
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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.