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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
LAB icon
176
Standard BioTools
LAB
$326M
$31.7K ﹤0.01%
34,435
-175,000
-84% -$212K
AL
177
DELISTED
Air Lease Corp
AL
– –
-45,000
Closed -$2.89M
CRI icon
178
Carter's
CRI
$1.43B
– –
-67,500
Closed -$2.19M
EHAB
179
DELISTED
Enhabit
EHAB
– –
-50,000
Closed -$461K
GTLS
180
DELISTED
Chart Industries
GTLS
– –
-12,500
Closed -$2.58M
LUV icon
181
Southwest Airlines
LUV
$22.1B
– –
-19,850
Closed -$820K
P
182
Everpure Inc
P
$24.8B
– –
-5,000
Closed -$335K
RPD icon
183
Rapid7
RPD
$634M
– –
-90,000
Closed -$1.37M
4 5 6 7
8

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HA
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FC
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WPC
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TCM
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BC
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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.