NEEDHAM INVESTMENT MANAGEMENT LLC
Top Portfolio Positions
175 positions ·
$1,983,826,742 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| LASR |
Nlight, Inc.
Technology
|
1,922,740 | $109,634,634 | 5.53% | |
| VICR |
Vicor Corp
Technology
|
522,000 | $84,042,000 | 4.24% | |
| VRT |
Vertiv Holdings Co
Industrials
|
285,250 | $71,477,945 | 3.60% | |
| PDFS |
Pdf Solutions Inc
Technology
|
2,022,700 | $66,162,517 | 3.34% | |
| AIP |
Arteris, Inc.
Technology
|
3,952,500 | $64,979,100 | 3.28% | |
| TDUP |
ThredUp Inc.
Consumer Cyclical
|
18,550,000 | $60,844,000 | 3.07% | |
| FORM |
Formfactor Inc
Technology
|
603,500 | $58,533,465 | 2.95% | |
| VSH |
Vishay Intertechnology Inc
Technology
|
2,920,000 | $52,560,000 | 2.65% | |
| LINC |
Lincoln Educational Services Corp
Consumer Defensive
|
1,277,500 | $51,968,700 | 2.62% | |
| ODC |
Oil-Dri Corp of America
Basic Materials
|
677,500 | $44,098,475 | 2.22% |
Portfolio Trend
25 quarters · across all stocks
Holdings in THR
Shares Held
Position Value (USD)
18 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $31,878,000 | 632,500 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $23,039,200 | 620,000 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $16,659,920 | 623,500 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $17,507,880 | 623,500 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $17,893,625 | 642,500 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $18,844,350 | 655,000 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $19,396,000 | 650,000 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $16,456,600 | 535,000 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $13,088,000 | 400,000 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $6,269,725 | 192,500 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $3,845,800 | 140,000 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $3,258,500 | 122,500 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $2,928,100 | 117,500 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $2,359,400 | 117,500 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $1,695,100 | 110,000 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $1,545,500 | 110,000 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $1,539,000 | 95,000 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $931,150 | 55,000 | Shares | Defined | 2022-02-14 | |
| No 13F history on record for this holder in this stock. | ||||||