NEEDHAM INVESTMENT MANAGEMENT LLC

Name: NEEDHAM INVESTMENT MANAGEMENT LLC: Form 13F holdings for the quarter ended 2026-06-30
Creator: Listed

An institutional investment manager in NEW YORK, NY. Its Form 13F for the quarter ended Jun 30, 2026, filed Aug 14, 2026. SEC CIK 1167212.

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Reported value$3.33bn
Positions176

Holdings: 176 positions

The filing on sec.gov

As filed, largest first. Reported value is what the manager stated for each position at the quarter end, in US dollars; it is filing data, not a price. Weight is the position's share of the total reported value. Changes compare with the 13F for the quarter ended 2026-03-31. The filing's table has 359 lines; lines for the same security and option type are added together here.

NEEDHAM INVESTMENT MANAGEMENT LLC, holdings
Issuer	Class	CUSIP	Reported value$m	Weight	Shares	Change on the quarter before
Vicor CorpVICR	COM	925815102	199	6.0%	524,000	Added+2,000
Arteris IncAIP	COM	04302A104	191	5.7%	3,927,500	Reduced−25,000
Vishay Intertechnology IncVSH	COM	928298108	163	4.9%	3,035,610	Added+115,610
PDF Solutions IncPDFS	COM	693282105	146	4.4%	2,065,000	Added+42,300
Nlight IncLASR	COM	65487K100	139	4.2%	1,992,740	Added+70,000
Vertiv Holdings CoVRT	COM CL A	92537N108	95.7	2.9%	285,750	Added+500
Vishay Precision Group IncVPG	COM	92835K103	89.8	2.7%	599,000	Reduced−21,000
Formfactor IncFORM	COM	346375108	87.6	2.6%	547,500	Reduced−56,000
Ceco Environmental CorpCECO	COM	125141101	86.9	2.6%	957,500	Added+570,000
Oil Dri Corp AmerODC	COM	677864100	70.1	2.1%	686,000	Added+8,500
Thredup IncTDUP	CL A	88556E102	69.7	2.1%	10,175,000	Added+900,000
Lincoln Edl SVCS CorpLINC	COM	533535100	66.1	2.0%	1,325,000	Added+47,500
Veeco Instrs Inc DelVECO	COM	922417100	64.1	1.9%	845,850	Reduced−34,150
Tetra Technologies Inc DelTTI	COM	88162F105	64.0	1.9%	5,651,500	Added+2,276,500
Super Micro Computer IncSMCI	COM NEW	86800U302	54.5	1.6%	1,858,500	Added+242,000
Elmet Group Co (The)ELMT	COMMON STOCK	289395105	52.1	1.6%	2,639,416	New+2,639,416
MKS Inc.MKSI	COM	55306N104	49.9	1.5%	112,250	Reduced−7,750
Universal Technical Inst IncUTI	COM	913915104	48.3	1.5%	1,130,000	Added+100,000
Nova Ltd	COM	M7516K103	48.1	1.4%	88,650	Reduced−3,500
Coherent CorpCOHR	COM	19247G107	36.5	1.1%	92,500	Reduced−13,000
KLA CorpKLAC	COM NEW	482480100	30.9	0.9%	102,500	Added+92,250
CRA International IncCRAI	COM	12618T105	30.7	0.9%	215,506	Added+75,500
Genius Sports Limited	SHARES CL A	G3934V109	29.8	0.9%	4,925,000	Added+925,000
Viasat IncVSAT	COM	92552V100	29.7	0.9%	330,600	Unchanged
Parsons Corp DelPSN	COM	70202L102	29.1	0.9%	555,000	Added+146,000
Ambiq Micro IncAMBQ	COMMON STOCK	023193105	28.6	0.9%	323,700	Added+123,700
Centuri Holdings IncCTRI	COM SHS	155923105	28.5	0.9%	942,628	Added+125,000
Bruker CorpBRKR	COM	116794108	27.6	0.8%	459,250	Added+35,000
Arlo Technologies IncARLO	COM	04206A101	26.9	0.8%	1,995,000	Added+235,000
Nvent Elec plc	SHS	G6700G107	26.2	0.8%	154,500	Unchanged
Select Water Solutions IncWTTR	CL A COM	81617J301	26.0	0.8%	1,300,000	Added+145,000
Gorman Rupp CoGRC	COM	383082104	25.0	0.8%	272,500	Unchanged
Generac Holdings IncGNRC	COM	368736104	24.0	0.7%	82,000	Added+9,550
Astronics CorpATRO	COM	046433108	22.1	0.7%	272,500	Unchanged
Akamai Technologies IncAKAM	COM	00971T101	21.7	0.7%	183,500	Added+5,000
Badger Meter IncBMI	COM	056525108	21.5	0.6%	145,000	Added+115,000
Tennant CoTNC	COM	880345103	21.2	0.6%	242,500	Added+13,500
Everus Constr GroupECG	COM	300426103	21.0	0.6%	126,500	Unchanged
Clean Harbors IncCLH	COM	184496107	20.9	0.6%	70,106	Added+1,250
Asure Software IncASUR	COM	04649U102	20.9	0.6%	2,635,000	Added+27,500
Aspen Aerogels IncASPN	COM	04523Y105	20.7	0.6%	3,260,800	Reduced−1,257,975
Matrix SVC CoMTRX	COM	576853105	19.7	0.6%	1,435,000	Unchanged
MYR Group IncMYRG	COM	55405W104	19.5	0.6%	39,000	Added+400
Photronics IncPLAB	COM	719405102	19.0	0.6%	585,500	Reduced−19,500
Lantronix IncLTRX	COM NEW	516548203	18.5	0.6%	3,150,000	New+3,150,000
Entegris IncENTG	COM	29362U104	18.3	0.5%	101,500	Reduced−15,500
Evolv Technologies HLDNGS inEVLV	COM CL A	30049H102	17.8	0.5%	3,075,000	Added+1,825,000
BWX Technologies IncBWXT	COM	05605H100	17.0	0.5%	87,500	Added+28,500
Solstice Advanced Matls IncSOLS	COM SHS	83443Q103	16.6	0.5%	187,500	Unchanged
Franklin Elec IncFELE	COM	353514102	16.5	0.5%	154,200	New+154,200
Lightpath Technologies IncLPTH	COM CL A	532257805	16.5	0.5%	1,010,000	Added+482,500
Bentley Sys IncBSY	COM CL B	08265T208	16.2	0.5%	542,300	Added+327,300
Unisys CorpUIS	COM NEW	909214306	16.2	0.5%	4,428,000	Unchanged
Unusual Machs IncUMAC	COM SHS	91532F102	16.0	0.5%	718,500	Added+233,500
908 Devices IncMASS	COM	65443P102	15.8	0.5%	1,820,620	Added+580,620
Huntington Ingalls Inds IncHII	COM	446413106	15.8	0.5%	56,500	Added+1,250
Labcorp Holdings IncLH	COM SHS	504922105	15.8	0.5%	56,313	Unchanged
Jacobs Solutions IncJ	COM	46982L108	15.7	0.5%	124,500	Added+28,500
Energy Services of Amer CorpESOA	COM	29271Q103	15.5	0.5%	800,000	Unchanged
Atlanta Braves Holdings IncBATRA	COM SER C	047726302	14.9	0.4%	287,100	Added+142,100
Marvell Technology IncMRVL	COM	573874104	14.4	0.4%	48,250	Unchanged
WabtecWAB	COM	929740108	14.3	0.4%	53,000	Reduced−2,750
Markel Group IncMKL	COM	570535104	14.2	0.4%	7,275	Added+575
MDU Res Group IncMDU	COM	552690109	14.1	0.4%	665,000	Added+107,500
Vital Farms IncVITL	COM	92847W103	14.1	0.4%	1,210,000	Added+60,000
Teradyne IncTER	COM	880770102	14.0	0.4%	29,000	Unchanged
Equinix IncEQIX	COM	29444U700	13.7	0.4%	13,175	Added+1,975
TTM Technologies IncTTMI	COM	87305R109	13.6	0.4%	72,500	Reduced−15,000
Mastec IncMTZ	COM	576323109	13.4	0.4%	32,250	Added+12,150
Ecovyst IncECVT	COM	27923Q109	12.7	0.4%	1,020,000	Unchanged
Transcat IncTRNS	COM	893529107	12.7	0.4%	136,720	Added+6,220
Thermo Fisher Scientific IncTMO	COM	883556102	12.7	0.4%	25,250	Unchanged
Cognex CorpCGNX	COM	192422103	12.5	0.4%	173,000	Unchanged
Life Time Group Holdings IncLTH	COMMON STOCK	53190C102	12.5	0.4%	305,000	Added+65,000
Asml HLDG NV	N Y REGISTRY SHS	N07059210	12.2	0.4%	6,150	Added+350
Ambarella Inc	SHS	G037AX101	11.6	0.3%	135,000	Added+115,000
Vail Resorts IncMTN	COM	91879Q109	11.5	0.3%	84,500	Added+25,500
Harmonic IncHLIT	COM	413160102	11.4	0.3%	700,000	Added+32,000
Cryoport IncCYRX	COM PAR $0.001	229050307	11.3	0.3%	717,000	Added+357,000
Sitime CorpSITM	COM	82982T106	11.2	0.3%	15,000	Unchanged
Corning IncGLW	COM	219350105	10.9	0.3%	42,500	Added+500
LAM Research CorpLRCX	COM NEW	512807306	10.8	0.3%	25,000	Unchanged
3D Sys Corp DelDDD	COM NEW	88554D205	10.6	0.3%	3,525,200	New+3,525,200
Camtek Ltd	ORD	M20791105	10.4	0.3%	64,000	Reduced−2,500
Calix IncCALX	COM	13100M509	10.3	0.3%	275,000	New+275,000
Modine MFG CoMOD	COM	607828100	10.1	0.3%	38,000	Added+3,500
Aerovironment IncAVAV	COM	008073108	10.1	0.3%	61,000	Added+54,750
Ceva IncCEVA	COM	157210105	9.9	0.3%	210,000	Reduced−20,000
Rogers CorpROG	COM	775133101	9.0	0.3%	55,000	Reduced−3,000
Abrdn Life Sciences InvestorHQL	SH BEN INT	87911K100	8.9	0.3%	443,041	Added+13,468
Precision Optics Corp Inc MaPOCI	COM NEW	740294400	8.5	0.3%	1,670,550	Unchanged
Matthews International CorpMATW	CL A	577128101	8.1	0.2%	300,000	Added+185,000
CRH plc	ORD	G25508105	7.6	0.2%	70,700	Added+6,000
Red Cat Holdings IncRCAT	COM	75644T100	7.3	0.2%	687,500	Added+307,500
Research Solutions IncRSSS	COM	761025105	7.3	0.2%	3,155,000	Unchanged
Abrdn Healthcare InvestorsHQH	SH BEN INT	87911J103	7.1	0.2%	320,825	Added+9,541
Gilead Sciences IncGILD	COM	375558103	6.9	0.2%	55,000	Unchanged
Northern Technologies International CNTIC	COM	665809109	6.8	0.2%	800,000	Added+35,000
Draganfly Inc.DPRO	COM	26142Q304	6.8	0.2%	1,250,000	Added+1,190,000
Carmax IncKMX	COM	143130102	6.7	0.2%	127,500	Reduced−1,000
Axcelis Technologies IncACLS	COM NEW	054540208	6.7	0.2%	35,500	Reduced−7,000
Smith Midland CorpSMID	COM	832156103	6.5	0.2%	225,000	Unchanged
Bright Horizons Fam Sol in DBFAM	COM	109194100	6.4	0.2%	90,000	Reduced−39,000
Primoris SVCS CorpPRIM	COM	74164F103	6.4	0.2%	64,250	New+64,250
Adtran Holdings IncADTN	COM	00486H105	6.3	0.2%	450,000	Reduced−778,500
Applied Matls IncAMAT	COM	038222105	6.0	0.2%	8,250	Unchanged
Legence CorpLGN	CL A	52476L109	5.8	0.2%	67,500	Unchanged
Core Molding Technologies inCMT	COM	218683100	5.7	0.2%	242,600	Reduced−9,771
Comcast Corp NewCMCSA	CL A	20030N101	5.7	0.2%	231,500	Unchanged
Netskope IncNTSK	CL A	64119N608	5.5	0.2%	500,000	Added+400,000
Suro Capital CorpNSLR	COM NEW	86887Q109	5.3	0.2%	426,594	Unchanged
Apple IncAAPL	COM	037833100	5.3	0.2%	18,450	Unchanged
Navigator Holdings Ltd	SHS	Y62132108	5.3	0.2%	286,000	Unchanged
Qnity Electronics IncQ	COMMON STOCK	74743L100	5.3	0.2%	32,500	Unchanged
Box IncBOX	CL A	10316T104	5.2	0.2%	195,000	Unchanged
Octave Intelligence plc	ORD SHS CL B	G22845104	4.9	0.1%	300,000	New+300,000
Boeing CoBA	COM	097023105	4.9	0.1%	22,500	Unchanged
Encompass Health CorpEHC	COM	29261A100	4.5	0.1%	45,000	Unchanged
Costar Group IncCSGP	COM	22160N109	4.5	0.1%	159,500	Added+17,500
Firefly Aerospace IncFLY	COM	31816X106	4.5	0.1%	152,500	Added+92,500
Honeywell International IncHON	COM	438516205	4.5	0.1%	20,000	New+20,000
Honeywell Aerospace IncHONA	COM	43849R105	4.4	0.1%	20,000	New+20,000
Analog Devices IncADI	COM	032654105	4.2	0.1%	10,500	Added+500
Medtronic plc	SHS	G5960L103	4.1	0.1%	53,041	Unchanged
Mayville Engr Co IncMEC	COM	578605107	4.1	0.1%	110,000	Added+90,000
Waterbridge Infrastructure LWBI	CL A SHS REPSTG	940923105	3.9	0.1%	112,500	Added+2,500
Lemaitre Vascular IncLMAT	COM	525558201	3.8	0.1%	40,000	Unchanged
Allegro Microsystems IncALGM	COM	01749D105	3.8	0.1%	55,000	Unchanged
KVH Inds IncKVHI	COM	482738101	3.8	0.1%	385,000	Unchanged
Synaptics IncSYNA	COM	87157D109	3.7	0.1%	30,000	Reduced−7,000
Cohu IncCOHU	COM	192576106	3.7	0.1%	50,000	Reduced−80,000
Alpha Pro Tech LtdAPT	COM	020772109	3.6	0.1%	642,500	Unchanged
Twin Disc IncTWIN	COM	901476101	3.5	0.1%	150,000	New+150,000
Eaglerock LD LLCEROK	CL A SHS REP LTD	27005A105	3.4	0.1%	160,000	New+160,000
Heico Corp NewHEI	COM	422806109	3.4	0.1%	9,500	Added+4,500
Kopin CorpKOPN	COM	500600101	3.4	0.1%	750,000	Added+250,000
Hewlett Packard Enterprise CHPE	COM	42824C109	3.3	0.1%	74,000	Unchanged
Alphabet IncGOOGL	CAP STK CL A	02079K305	3.2	<0.1%	9,000	Added+4,000
Brookfield CorpBN	CL A LTD VT SH	11271J107	3.0	<0.1%	69,440	Unchanged
Flotek Industries IncFTK	COM NEW	343389409	2.8	<0.1%	120,000	Added+80,000
Cleanspark IncCLSK	COM NEW	18452B209	2.5	<0.1%	175,000	Added+95,000
Becton Dickinson & CoBDX	COM	075887109	2.5	<0.1%	16,750	Unchanged
Comtech Telecommunications CCMTL	COM NEW	205826209	1.9	<0.1%	906,360	Reduced−267,940
Hinge Health IncHNGE	CL A	433313103	1.9	<0.1%	22,500	Unchanged
Unitedhealth Group IncUNH	COM	91324P102	1.7	<0.1%	4,000	Unchanged
Crowdstrike Holdings IncCRWD	CL A	22788C105	1.5	<0.1%	2,000	Added+150
RTX CorporationRTX	COM	75513E101	1.5	<0.1%	8,000	Added+400
Lindblad Expeditions Holdings ILIND	COM	535219109	1.5	<0.1%	52,223	Unchanged
Chevron CorporationCVX	COM	166764100	1.4	<0.1%	8,250	Unchanged
Mercury Sys IncMRCY	COM	589378108	1.2	<0.1%	10,000	Unchanged
Educational Dev CorpEDUC	COM	281479105	1.2	<0.1%	800,000	Unchanged
Lockheed Martin CorpLMT	COM	539830109	1.1	<0.1%	2,250	Added+750
Klaviyo IncKVYO	COM SER A	49845K101	1.0	<0.1%	65,000	Unchanged
Quest Diagnostics IncDGX	COM	74834L100	1.0	<0.1%	4,500	Unchanged
Waste MGMT Inc DelWM	COM	94106L109	0.9	<0.1%	4,000	Added+250
FRP Holdings IncFRPH	COM	30292L107	0.9	<0.1%	35,000	Added+20,000
Waters CorpWAT	COM	941848103	0.8	<0.1%	2,266	Unchanged
Verizon Communications IncVZ	COM	92343V104	0.8	<0.1%	20,000	Unchanged
Salesforce IncCRM	COM	79466L302	0.8	<0.1%	5,000	Added+3,500
Quanta SVCS IncPWR	COM	74762E102	0.7	<0.1%	1,000	New+1,000
Netflix Inc.NFLX	COM	64110L106	0.7	<0.1%	10,000	Added+7,000
The Trade Desk IncTTD	COM CL A	88339J105	0.6	<0.1%	34,000	Reduced−17,000
Frequency Electrs IncFEIM	COM	358010106	0.6	<0.1%	9,000	Unchanged
Brookfield Asset Managmt LtdBAM	CL A LMT VTG SHS	113004105	0.6	<0.1%	12,570	Unchanged
Microsoft CorpMSFT	COM	594918104	0.6	<0.1%	1,500	New+1,500
Caredx IncCDNA	COM	14167L103	0.4	<0.1%	15,000	Unchanged
Mobileye Global IncMBLY	COMMON CLASS A	60741F104	0.4	<0.1%	40,000	Reduced−40,000
Kimbell Rty Partners LPKRP	UNIT	49435R102	0.4	<0.1%	25,424	Unchanged
Commerce.Com IncCMRC	COM SER 1	08975P108	0.4	<0.1%	120,000	Reduced−70,000
UGI Corp NewUGI	COM	902681105	0.3	<0.1%	10,000	Unchanged
Versant Media Group IncVSNT	COM CL A	925283103	0.3	<0.1%	9,260	Unchanged
SLB LimitedSLB	COM STK	806857108	0.3	<0.1%	6,500	Unchanged
Bellring Brands IncBRBR	COMMON STOCK	07831C103	0.2	<0.1%	15,000	Unchanged
Kindercare Learning CompanieKLC	COM	49456W105	0.2	<0.1%	40,810	Unchanged
Alight Inc	COM CL A	01626W101	0.2	<0.1%	300,000	Unchanged
Standard Biotools IncLAB	COM	34385P108	0.0	<0.1%	34,435	Unchanged

Sold out: 13 positions

Held at the end of the quarter before and not reported this quarter.

NEEDHAM INVESTMENT MANAGEMENT LLC, positions sold out
Issuer	Class	CUSIP	Weight	Change on the quarter before
Circle Internet Group IncCRCL	COM CL A	172573107	0.0%	Sold out−5,412
Dupont de Nemours Inc	COM	26614N102	0.0%	Sold out−17,000
Extreme Networks IncEXTR	COM	30226D106	0.0%	Sold out−45,000
Figure Technology SolutioFIGR	COM CL A	349381103	0.0%	Sold out−72,429
Fortrea Holdings IncFTRE	COMMON STOCK	34965K107	0.0%	Sold out−37,763
Honeywell International Inc	COM	438516106	0.0%	Sold out−27,500
Ichor Holdings	SHS	G4740B105	0.0%	Sold out−5,000
Maxlinear IncMXL	COM	57776J100	0.0%	Sold out−115,000
Penguin Solutions IncPENG	COM	706915105	0.0%	Sold out−50,000
Power Integrations IncPOWI	COM	739276103	0.0%	Sold out−25,400
Sterling Infrastructure IncSTRL	COM	859241101	0.0%	Sold out−1,500
Thermon Group Holdings Inc	COM	88362T103	0.0%	Sold out−632,500
Ultra Clean Holdings IncUCTT	COM	90385V107	0.0%	Sold out−5,000

Source: SEC EDGAR, Form 13F-HR, accession 0000919574-26-005153 (on sec.gov). Last ingested by Listed: Oct 22, 2026, 05:26 ET. Listed shows no prices and gives no investment advice.