NEEDHAM INVESTMENT MANAGEMENT LLC

NEW YORK, NY · CIK 1167212 · 13F filing filed 2026-08-14

SEC-registered investment adviser since 1995 · limited liability company

Assets managed$1.8bn
Staff11 · 3 in investment roles
Main clients (by assets)Mutual funds and ETFs 85%, Private funds 15%
Private funds2 (2 hedge) · $269.7m gross assets
Websiteneedhamfunds.com
Form ADV · 2026-03-30SEC adviser record

$3.3bn reported value +69.9% vs Q1 2026

176positions

38.1%in top 10

13 new 76 added 26 reduced 13 sold out vs Q1 2026

This report includes the holdings of 4 other managers that share the investment decisions:

NEEDHAM EMERGING GROWTH PARTNERS LP – reports through this filing
NEEDHAM GROWTH FUND – reports through this filing
Needham Aggressive Growth Fund – reports through this filing
Needham Small Cap Growth Fund – reports through this filing

Shares in two reports are counted once in each security's totals.

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	VICOR CORP COM VICR	VICR	524,000	$199.0m5.98%	5.98%	Added +2.0k	+2,000 0.4%
2	ARTERIS INC COM AIP	AIP	3,927,500	$190.8m5.74%	5.74%	Reduced -25.0k	-25,000 -0.6%
3	VISHAY INTERTECHNOLOGY INC COM VSH	VSH	3,035,610	$163.3m4.91%	4.91%	Added +115.6k	+115,610 4.0%
4	PDF SOLUTIONS INC COM PDFS	PDFS	2,065,000	$146.2m4.40%	4.40%	Added +42.3k	+42,300 2.1%
5	NLIGHT INC COM LASR	LASR	1,992,740	$138.7m4.17%	4.17%	Added +70.0k	+70,000 3.6%
6	VERTIV HOLDINGS CO COM CL A VRT	VRT	285,750	$95.7m2.88%	2.88%	Added +500	+500 0.2%
7	VISHAY PRECISION GROUP INC COM VPG	VPG	599,000	$89.8m2.70%	2.70%	Reduced -21.0k	-21,000 -3.4%
8	FORMFACTOR INC COM FORM	FORM	547,500	$87.6m2.63%	2.63%	Reduced -56.0k	-56,000 -9.3%
9	CECO ENVIRONMENTAL CORP COM CECO	CECO	957,500	$86.9m2.61%	2.61%	Added +570.0k	+570,000 147.1%
10	OIL DRI CORP AMER COM ODC	ODC	686,000	$70.1m2.11%	2.11%	Added +8.5k	+8,500 1.2%
11	THREDUP INC CL A TDUP	TDUP	10,175,000	$69.7m2.10%	2.10%	Added +900.0k	+900,000 9.7%
12	LINCOLN EDL SVCS CORP COM LINC	LINC	1,325,000	$66.1m1.99%	1.99%	Added +47.5k	+47,500 3.7%
13	VEECO INSTRS INC DEL COM VECO	VECO	845,850	$64.1m1.93%	1.93%	Reduced -34.1k	-34,150 -3.9%
14	TETRA TECHNOLOGIES INC DEL COM TTI	TTI	5,651,500	$64.0m1.93%	1.93%	Added +2.3m	+2,276,500 67.5%
15	SUPER MICRO COMPUTER INC COM NEW SMCI	SMCI	1,858,500	$54.5m1.64%	1.64%	Added +242.0k	+242,000 15.0%
16	ELMET GROUP CO (THE) COMMON STOCK ELMT	ELMT	2,639,416	$52.1m1.57%	1.57%	New
17	MKS INC. COM MKSI	MKSI	112,250	$49.9m1.50%	1.50%	Reduced -7.8k	-7,750 -6.5%
18	UNIVERSAL TECHNICAL INST INC COM UTI	UTI	1,130,000	$48.3m1.45%	1.45%	Added +100.0k	+100,000 9.7%
19	NOVA LTD COM NVMI	NVMI	88,650	$48.1m1.45%	1.45%	Reduced -3.5k	-3,500 -3.8%
20	COHERENT CORP COM COHR	COHR	92,500	$36.5m1.10%	1.10%	Reduced -13.0k	-13,000 -12.3%
21	KLA CORP COM NEW KLAC	KLAC	102,500	$30.9m0.93%	0.93%	Unchanged
22	CRA INTL INC COM CRAI	CRAI	215,506	$30.7m0.92%	0.92%	Added +75.5k	+75,500 53.9%
23	GENIUS SPORTS LIMITED SHARES CL A GENI	GENI	4,925,000	$29.8m0.90%	0.90%	Added +925.0k	+925,000 23.1%
24	VIASAT INC COM VSAT	VSAT	330,600	$29.7m0.89%	0.89%	Unchanged
25	PARSONS CORP DEL COM PSN	PSN	555,000	$29.1m0.87%	0.87%	Added +146.0k	+146,000 35.7%
26	AMBIQ MICRO INC COMMON STOCK AMBQ	AMBQ	323,700	$28.6m0.86%	0.86%	Added +123.7k	+123,700 61.9%
27	CENTURI HOLDINGS INC COM SHS CTRI	CTRI	942,628	$28.5m0.86%	0.86%	Added +125.0k	+125,000 15.3%
28	BRUKER CORP COM BRKR	BRKR	459,250	$27.6m0.83%	0.83%	Added +35.0k	+35,000 8.2%
29	ARLO TECHNOLOGIES INC COM ARLO	ARLO	1,995,000	$26.9m0.81%	0.81%	Added +235.0k	+235,000 13.3%
30	NVENT ELECTRIC PLC SHS NVT	NVT	154,500	$26.2m0.79%	0.79%	Unchanged
31	SELECT WATER SOLUTIONS INC CL A COM WTTR	WTTR	1,300,000	$26.0m0.78%	0.78%	Added +145.0k	+145,000 12.6%
32	GORMAN RUPP CO COM GRC	GRC	272,500	$25.0m0.75%	0.75%	Unchanged
33	GENERAC HLDGS INC COM GNRC	GNRC	82,000	$24.0m0.72%	0.72%	Added +9.6k	+9,550 13.2%
34	ASTRONICS CORP COM ATRO	ATRO	272,500	$22.1m0.67%	0.67%	Unchanged
35	AKAMAI TECHNOLOGIES INC COM AKAM	AKAM	183,500	$21.7m0.65%	0.65%	Added +5.0k	+5,000 2.8%
36	BADGER METER INC COM BMI	BMI	145,000	$21.5m0.65%	0.65%	Added +115.0k	+115,000 383.3%
37	TENNANT CO COM TNC	TNC	242,500	$21.2m0.64%	0.64%	Added +13.5k	+13,500 5.9%
38	EVERUS CONSTR GROUP COM ECG	ECG	126,500	$21.0m0.63%	0.63%	Unchanged
39	CLEAN HARBORS INC COM CLH	CLH	70,106	$20.9m0.63%	0.63%	Added +1.2k	+1,250 1.8%
40	ASURE SOFTWARE INC COM ASUR	ASUR	2,635,000	$20.9m0.63%	0.63%	Added +27.5k	+27,500 1.1%
41	ASPEN AEROGELS INC COM ASPN	ASPN	3,260,800	$20.7m0.62%	0.62%	Reduced -1.3m	-1,257,975 -27.8%
42	MATRIX SVC CO COM MTRX	MTRX	1,435,000	$19.7m0.59%	0.59%	Unchanged
43	MYR GROUP INC DEL COM MYRG	MYRG	39,000	$19.5m0.59%	0.59%	Added +400	+400 1.0%
44	PHOTRONICS INC COM PLAB	PLAB	585,500	$19.0m0.57%	0.57%	Reduced -19.5k	-19,500 -3.2%
45	LANTRONIX INC COM NEW LTRX	LTRX	3,150,000	$18.5m0.56%	0.56%	New
46	ENTEGRIS INC COM ENTG	ENTG	101,500	$18.3m0.55%	0.55%	Reduced -15.5k	-15,500 -13.2%
47	EVOLV TECHNOLOGIES HLDNGS IN COM CL A EVLV	EVLV	3,075,000	$17.8m0.54%	0.54%	Added +1.8m	+1,825,000 146.0%
48	BWX TECHNOLOGIES INC COM BWXT	BWXT	87,500	$17.0m0.51%	0.51%	Added +28.5k	+28,500 48.3%
49	SOLSTICE ADVANCED MATLS INC COM SHS SOLS	SOLS	187,500	$16.6m0.50%	0.50%	Unchanged
50	FRANKLIN ELEC INC COM FELE	FELE	154,200	$16.5m0.50%	0.50%	New
51	LIGHTPATH TECHNOLOGIES INC COM CL A LPTH	LPTH	1,010,000	$16.5m0.50%	0.50%	Added +482.5k	+482,500 91.5%
52	BENTLEY SYS INC COM CL B BSY	BSY	542,300	$16.2m0.49%	0.49%	Added +327.3k	+327,300 152.2%
53	UNISYS CORP COM NEW UIS	UIS	4,428,000	$16.2m0.49%	0.49%	Unchanged
54	UNUSUAL MACHS INC COM SHS UMAC	UMAC	718,500	$16.0m0.48%	0.48%	Added +233.5k	+233,500 48.1%
55	908 DEVICES INC COM MASS	MASS	1,820,620	$15.8m0.48%	0.48%	Added +580.6k	+580,620 46.8%
56	HUNTINGTON INGALLS INDS INC COM HII	HII	56,500	$15.8m0.48%	0.48%	Added +1.2k	+1,250 2.3%
57	LABCORP HOLDINGS INC COM SHS LH	LH	56,313	$15.8m0.47%	0.47%	Unchanged
58	JACOBS SOLUTIONS INC COM J	J	124,500	$15.7m0.47%	0.47%	Added +28.5k	+28,500 29.7%
59	ENERGY SVCS ACQUISITION CORP COM ESOA	ESOA	800,000	$15.5m0.47%	0.47%	Unchanged
60	ATLANTA BRAVES HLDGS INC COM SER C BATRK	BATRK	287,100	$14.9m0.45%	0.45%	Added +142.1k	+142,100 98.0%
61	MARVELL TECHNOLOGY INC COM MRVL	MRVL	48,250	$14.4m0.43%	0.43%	Unchanged
62	WABTEC COM WAB	WAB	53,000	$14.3m0.43%	0.43%	Reduced -2.8k	-2,750 -4.9%
63	MARKEL GROUP INC COM MKL	MKL	7,275	$14.2m0.43%	0.43%	Added +575	+575 8.6%
64	MDU RES GROUP INC COM MDU	MDU	665,000	$14.1m0.42%	0.42%	Added +107.5k	+107,500 19.3%
65	VITAL FARMS INC COM VITL	VITL	1,210,000	$14.1m0.42%	0.42%	Added +60.0k	+60,000 5.2%
66	TERADYNE INC COM TER	TER	29,000	$14.0m0.42%	0.42%	Unchanged
67	EQUINIX INC COM EQIX	EQIX	13,175	$13.7m0.41%	0.41%	Added +2.0k	+1,975 17.6%
68	TTM TECHNOLOGIES INC COM TTMI	TTMI	72,500	$13.6m0.41%	0.41%	Reduced -15.0k	-15,000 -17.1%
69	MASTEC INC COM MTZ	MTZ	32,250	$13.4m0.40%	0.40%	Added +12.2k	+12,150 60.5%
70	ECOVYST INC COM ECVT	ECVT	1,020,000	$12.7m0.38%	0.38%	Unchanged
71	TRANSCAT INC COM TRNS	TRNS	136,720	$12.7m0.38%	0.38%	Added +6.2k	+6,220 4.8%
72	THERMO FISHER SCIENTIFIC INC COM TMO	TMO	25,250	$12.7m0.38%	0.38%	Unchanged
73	COGNEX CORP COM CGNX	CGNX	173,000	$12.5m0.38%	0.38%	Unchanged
74	LIFE TIME GROUP HOLDINGS INC COMMON STOCK LTH	LTH	305,000	$12.5m0.37%	0.37%	Added +65.0k	+65,000 27.1%
75	ASML HOLDING N V N Y REGISTRY SHS ASML	ASML	6,150	$12.2m0.37%	0.37%	Added +350	+350 6.0%
76	AMBARELLA INC SHS AMBA	AMBA	135,000	$11.6m0.35%	0.35%	Added +115.0k	+115,000 575.0%
77	VAIL RESORTS INC COM MTN	MTN	84,500	$11.5m0.35%	0.35%	Added +25.5k	+25,500 43.2%
78	HARMONIC INC COM HLIT	HLIT	700,000	$11.4m0.34%	0.34%	Added +32.0k	+32,000 4.8%
79	CRYOPORT INC COM PAR $0.001 CYRX	CYRX	717,000	$11.3m0.34%	0.34%	Added +357.0k	+357,000 99.2%
80	SITIME CORP COM SITM	SITM	15,000	$11.2m0.34%	0.34%	Unchanged
81	CORNING INC COM GLW	GLW	42,500	$10.9m0.33%	0.33%	Added +500	+500 1.2%
82	LAM RESEARCH CORP COM NEW LRCX	LRCX	25,000	$10.8m0.33%	0.33%	Unchanged
83	3-D SYS CORP DEL COM NEW DDD	DDD	3,525,200	$10.6m0.32%	0.32%	New
84	CAMTEK LTD ORD CAMT	CAMT	64,000	$10.4m0.31%	0.31%	Reduced -2.5k	-2,500 -3.8%
85	CALIX INC COM CALX	CALX	275,000	$10.3m0.31%	0.31%	New
86	MODINE MFG CO COM MOD	MOD	38,000	$10.1m0.31%	0.31%	Added +3.5k	+3,500 10.1%
87	AEROVIRONMENT INC COM AVAV	AVAV	61,000	$10.1m0.30%	0.30%	Added +54.8k	+54,750 876.0%
88	CEVA INC COM CEVA	CEVA	210,000	$9.9m0.30%	0.30%	Reduced -20.0k	-20,000 -8.7%
89	ROGERS CORP COM ROG	ROG	55,000	$9.0m0.27%	0.27%	Reduced -3.0k	-3,000 -5.2%
90	ABRDN LIFE SCIENCES INVESTOR SH BEN INT HQL	HQL	443,041	$8.9m0.27%	0.27%	Added +13.5k	+13,468 3.1%
91	PRECISION OPTICS CORP INC MA COM NEW POCI	POCI	1,670,550	$8.5m0.26%	0.26%	Unchanged
92	MATTHEWS INTL CORP CL A MATW	MATW	300,000	$8.1m0.24%	0.24%	Added +185.0k	+185,000 160.9%
93	CRH PLC ORD CRH	CRH	70,700	$7.6m0.23%	0.23%	Added +6.0k	+6,000 9.3%
94	RED CAT HLDGS INC COM RCAT	RCAT	687,500	$7.3m0.22%	0.22%	Added +307.5k	+307,500 80.9%
95	RESEARCH SOLUTIONS INC COM RSSS	RSSS	3,155,000	$7.3m0.22%	0.22%	Unchanged
96	ABRDN HEALTHCARE INVESTORS SH BEN INT HQH	HQH	320,825	$7.1m0.21%	0.21%	Added +9.5k	+9,541 3.1%
97	GILEAD SCIENCES INC COM GILD	GILD	55,000	$6.9m0.21%	0.21%	Unchanged
98	NORTHERN TECHNOLOGIES INTL C COM NTIC	NTIC	800,000	$6.8m0.21%	0.21%	Added +35.0k	+35,000 4.6%
99	DRAGANFLY INC. COM DPRO	DPRO	1,250,000	$6.8m0.20%	0.20%	Added +1.2m	+1,190,000 1983.3%
100	CARMAX INC COM KMX	KMX	127,500	$6.7m0.20%	0.20%	Reduced -1.0k	-1,000 -0.8%

Sold out since Q1 2026

Security	Ticker	Shares held before	Value then
THERMON GROUP HLDGS INC		632,500	$31.9m632.5k shares
HONEYWELL INTL INC		13,750	$6.2m13.8k shares
FIGURE TECHNOLOGY SOLUTIO FIGR	FIGR	72,429	$2.5m72.4k shares
MAXLINEAR INC MXL	MXL	115,000	$2.0m115.0k shares
POWER INTEGRATIONS INC POWI	POWI	25,400	$1.3m25.4k shares
PENGUIN SOLUTIONS INC PENG	PENG	50,000	$880.0k50.0k shares
DUPONT DE NEMOURS INC DWDP	DWDP	5,667	$778.6k5.7k shares
EXTREME NETWORKS EXTR	EXTR	45,000	$678.6k45.0k shares
STERLING INFRASTRUCTURE INC STRL	STRL	1,500	$610.9k1.5k shares
CIRCLE INTERNET GROUP INC CRCL	CRCL	5,412	$516.4k5.4k shares
FORTREA HLDGS INC FTRE	FTRE	37,763	$355.7k37.8k shares
ULTRA CLEAN HLDGS INC UCTT	UCTT	5,000	$310.9k5.0k shares
ICHOR HOLDINGS ICHR	ICHR	5,000	$233.1k5.0k shares

Stakes above 5%

Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on.

Company	Ticker	Stake	Change	Schedule	Last filed
PRECISION OPTICS CORP INC MA POCI · 13G · filed 2026-05-14	POCI	15.3%≈ $8.5m	+6.2 pts	13G	2026-05-14
ELMET GROUP CO (THE) ELMT · 13G · filed 2026-08-13	ELMT	8.8%≈ $52.1m	+1.5 pts	13G	2026-08-13
THREDUP INC TDUP · 13G · filed 2026-05-14	TDUP	8.7%≈ $63.5m	+2.6 pts	13G	2026-05-14
NORTHERN TECHNOLOGIES INTL C NTIC · 13G · filed 2026-05-14	NTIC	8.1%≈ $6.5m	+1.3 pts	13G	2026-05-14
ARTERIS INC AIP · 13G · filed 2025-11-13	AIP	7.8%≈ $161.6m		13G	2025-11-13
LANTRONIX INC LTRX · 13G · filed 2026-07-02	LTRX	7.1%≈ $18.5m	new	13G	2026-07-02
UNISYS CORP UIS · 13G · filed 2026-02-13	UIS	6.8%≈ $17.6m	-1.2 pts	13G	2026-02-13
ALPHA PRO TECH LTD APT · 13G · filed 2026-02-13	APT	6.2%≈ $3.6m		13G	2026-02-13
OIL DRI CORP AMER ODC · 13G · filed 2026-02-13	ODC	6.1%≈ $64.9m		13G	2026-02-13
MATRIX SVC CO MTRX · 13G · filed 2025-02-13	MTRX	5.2%≈ $19.5m	new	13G	2025-02-13
PDF SOLUTIONS INC PDFS · 13G · filed 2026-05-14	PDFS	5.1%≈ $143.2m	+0.2 pts	13G	2026-05-14