Granahan Investment Management, LLC

CIK 0001026710 • 6 13F filings • May 15, 2025 – Aug 14, 2026

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Filer information

Filed by: Granahan Investment Management, LLC, VP/Operations and Account Administration
Address: 404 WYMAN STREET, SUITE 460, WALTHAM, MA, 02451
Phone: 781-902-1413
AUM: $2.34B

AUM over time

$2.81B latest

Sector allocation over time

Past 5 quarters

Q4 2025

Q3 2025

Q2 2026

Q2 2025

Q1 2026

TechnologyOther

Holdings by filing

Portfolio value: $2.34B157 positionsView on SEC.gov

			% of Portfolio
908 DEVICES INC	COM	$478K	0.0%Prev: 0.0%	91,141 SH	Decreased+26,803 SH
ADTRAN HOLDINGS INC	COM	$477K	0.0%Prev: 0.2%	54,840 SH	Decreased-527,650 SH
AGILYSYS INC	COM	$5.0M	0.2%Prev: 0.4%	42,257 SH	Decreased-51,967 SH
ALIGNMENT HEALTHCARE INC	COM	$14.8M	0.6%Prev: 0.4%	749,487 SH	Increased+168,758 SH
ALKAMI TECHNOLOGY INC	COM	$6.1M	0.3%Prev: 0.3%	265,266 SH	Decreased-4,898 SH
ALLEGRO MICROSYSTEMS INC	COM	$2.4M	0.1%	89,857 SH	New
AMERESCO INC	CL A	$24.8M	1.1%Prev: 1.2%	848,007 SH	Decreased-42,065 SH
AMPRIUS TECHNOLOGIES INC	COMMON STOCK	$508K	0.0%	64,382 SH	New
ANAPTYSBIO INC	COM	$6.1M	0.3%Prev: 0.2%	125,855 SH	Increased-21,918 SH
APOGEE THERAPEUTICS INC	COM	$7.1M	0.3%Prev: 0.2%	94,720 SH	Increased-37,680 SH
ARCHER AVIATION INC	COM CL A	$12.9M	0.6%Prev: 1.2%	1,713,170 SH	Decreased-1,226,930 SH
ARCUS BIOSCIENCES INC	COM	$4.0M	0.2%Prev: 0.3%	169,940 SH	Decreased-285,656 SH
ARLO TECHNOLOGIES INC	COM	$4.7M	0.2%Prev: 0.1%	338,382 SH	Increased+145,464 SH
ARTERIS INC	COM	$3.7M	0.2%Prev: 0.3%	236,896 SH	Decreased-384,729 SH
AXON ENTERPRISE INC	COM	$43.0M	1.8%Prev: 2.3%	75,714 SH	Decreased-1,737 SH
AZENTA INC	COM	$6.8M	0.3%Prev: 0.0%	204,676 SH	Increased+194,928 SH
BEL FUSE INC	CL B	$5.1M	0.2%Prev: 0.5%	29,884 SH	Decreased-57,426 SH
BETA BIONICS INC	COM	$3.7M	0.2%Prev: 0.1%	121,246 SH	Increased+35,505 SH
BETA TECHNOLOGIES INC	COM SHS CL A	$12.4M	0.5%	438,351 SH	New
BIOLIFE SOLUTIONS INC	COM NEW	$11.7M	0.5%Prev: 0.4%	482,356 SH	Increased+90,260 SH
BOOT BARN HLDGS INC	COM	$7.0M	0.3%Prev: 0.2%	39,495 SH	Increased+2,839 SH
BRIDGEBIO PHARMA INC	COM	$7.8M	0.3%Prev: 0.3%	101,805 SH	Decreased-59,473 SH
BWX TECHNOLOGIES INC	COM	$3.0M	0.1%Prev: 0.1%	17,355 SH	Increased+6,828 SH
CARPENTER TECHNOLOGY CORP	COM	$84.1M	3.6%Prev: 2.7%	267,175 SH	Increased-2,262 SH
CASELLA WASTE SYS INC	CL A	$25.2M	1.1%Prev: 1.2%	257,715 SH	Decreased-56,629 SH
CAVA GROUP INC	COM	$13.5M	0.6%	230,803 SH	New
CECO ENVIRONMENTAL CORP	COM	$6.5M	0.3%Prev: 0.5%	108,889 SH	Decreased-125,810 SH
CELCUITY INC	COM	$8.7M	0.4%Prev: 0.1%	87,032 SH	Increased+37,751 SH
CELLEBRITE DI LTD	ORDINARY SHARES	$55.1M	2.4%Prev: 2.0%	3,057,018 SH	Increased+427,719 SH
CENTRUS ENERGY CORP	CL A	$18.3M	0.8%Prev: 2.1%	75,235 SH	Decreased-93,425 SH
CERTARA INC	COM	$4.1M	0.2%Prev: 0.2%	460,797 SH	Decreased+34,798 SH
CEVA INC	COM	$436K	0.0%Prev: 0.0%	20,269 SH	Decreased+2,538 SH
CHEFS WHSE INC	COM	$4.3M	0.2%Prev: 0.0%	68,823 SH	Increased+63,692 SH
CHIME FINL INC	COM SHS CL A	$2.9M	0.1%	115,755 SH	New
COGENT COMMUNICATIONS HLDGS	COM NEW	$4.7M	0.2%Prev: 0.2%	217,025 SH	Increased+108,036 SH
COMFORT SYS USA INC	COM	$24.3M	1.0%Prev: 3.1%	26,035 SH	Decreased-66,737 SH
COMMVAULT SYS INC	COM	$5.6M	0.2%Prev: 0.3%	44,706 SH	Decreased+2,827 SH
COMPASS INC	CL A	$33.1M	1.4%Prev: 1.6%	3,136,223 SH	Decreased-1,670,091 SH
CORE SCIENTIFIC INC NEW	COM	$5.1M	0.2%	350,956 SH	New
CORVEL CORP	COM	$4.0M	0.2%Prev: 0.1%	58,679 SH	Increased+23,528 SH
COSTAR GROUP INC	COM	$6.2M	0.3%Prev: 0.9%	91,929 SH	Decreased-178,237 SH
CREDO TECHNOLOGY GROUP HOLDI	ORDINARY SHARES	$13.2M	0.6%Prev: 0.5%	91,770 SH	Increased+7,845 SH
CRYOPORT INC	COM PAR $0.001	$386K	0.0%	40,200 SH	New
CYTOKINETICS INC	COM NEW	$5.2M	0.2%Prev: 0.1%	82,121 SH	Increased+28,571 SH
DAVE INC	CLASS A COM NEW	$423K	0.0%Prev: 0.1%	1,911 SH	Decreased-10,126 SH
DESCARTES SYS GROUP INC	COM	$2.9M	0.1%Prev: 0.8%	33,237 SH	Decreased-182,707 SH
DIGITAL TURBINE INC	COM NEW	$31.7M	1.4%Prev: 1.5%	6,349,463 SH	Decreased+635,526 SH
E L F BEAUTY INC	COM	$5.6M	0.2%Prev: 0.5%	73,239 SH	Decreased-25,598 SH
EDGEWISE THERAPEUTICS INC	COM	$5.8M	0.2%Prev: 0.2%	232,295 SH	Increased-107,322 SH
ELECTROVAYA INC	COM NEW	$1.5M	0.1%	194,961 SH	New
ENOVIX CORPORATION	COM	$14.4M	0.6%Prev: 0.7%	1,964,565 SH	Decreased+214,916 SH
EXACT SCIENCES CORP	COM	$5.8M	0.2%Prev: 0.6%	57,212 SH	Decreased-224,706 SH
EXLSERVICE HOLDINGS INC	COM	$2.0M	0.1%Prev: 0.3%	48,206 SH	Decreased-117,787 SH
EYEPOINT INC	COM NEW	$6.7M	0.3%	366,675 SH	New
FABRINET	SHS	$5.4M	0.2%	11,877 SH	New
FIGURE TECHNOLOGY SOLUTIO	COM CL A	$27.2M	1.2%Prev: 0.7%	665,518 SH	Increased+206,924 SH
FIRST WATCH RESTAURANT GROUP	COM	$21.9M	0.9%Prev: 1.1%	1,451,237 SH	Decreased-216,095 SH
FTAI AVIATION LTD	SHS	$68.4M	2.9%Prev: 1.8%	347,365 SH	Increased+79,993 SH
GATES INDL CORP PLC	ORD SHS	$17.9M	0.8%Prev: 0.7%	834,723 SH	Increased+152,413 SH
GENEDX HOLDINGS CORP	COM CL A	$4.0M	0.2%Prev: 0.1%	30,910 SH	Increased+7,201 SH
GENIUS SPORTS LIMITED	SHARES CL A	$86.5M	3.7%Prev: 4.0%	7,853,872 SH	Decreased-123,300 SH
GLOBAL E ONLINE LTD	SHS	$46.9M	2.0%Prev: 1.8%	1,191,892 SH	Increased-29,329 SH
GRAIL INC	COM	$4.3M	0.2%	50,508 SH	New
HEALTHEQUITY INC	COM	$8.3M	0.4%	91,020 SH	New
HUBSPOT INC	COM	$15.2M	0.7%Prev: 0.5%	37,831 SH	Increased+13,774 SH
IMMUNOME INC	COM	$9.3M	0.4%Prev: 0.2%	435,123 SH	Increased+8,904 SH
IMMUNOVANT INC	COM	$5.9M	0.3%Prev: 0.2%	230,188 SH	Increased-36,033 SH
INDIE SEMICONDUCTOR INC	CLASS A COM	$60.8M	2.6%Prev: 2.9%	17,216,584 SH	Decreased-258,211 SH
IONQ INC	COM	$4.8M	0.2%	106,722 SH	New
IRADIMED CORP	COM	$476K	0.0%Prev: 0.0%	4,892 SH	Increased-1,723 SH
IRHYTHM TECHNOLOGIES INC	COM	$2.6M	0.1%Prev: 0.1%	14,377 SH	Decreased-563 SH
ISHARES TR	RUS 2000 GRW ETF	$364K	0.0%	1,126 SH	New
JBT MAREL CORPORATION	COM	$9.3M	0.4%Prev: 0.4%	62,044 SH	Increased-1,321 SH
JFROG LTD	ORD SHS	$9.4M	0.4%Prev: 0.3%	150,580 SH	Increased-13,895 SH
KINIKSA PHARMACEUTICALS INTL	ORD SHS CL A	$13.0M	0.6%Prev: 0.5%	316,213 SH	Increased+32,642 SH
KINSALE CAP GROUP INC	COM	$7.7M	0.3%Prev: 0.3%	19,686 SH	Increased+4,064 SH
KLAVIYO INC	COM SER A	$19.7M	0.8%Prev: 0.4%	605,271 SH	Increased+294,392 SH
KORNIT DIGITAL LTD	SHS	$37.0M	1.6%Prev: 1.1%	2,569,663 SH	Increased+614,513 SH
KURA SUSHI USA INC	CL A COM	$41.2M	1.8%Prev: 1.6%	787,108 SH	Increased+116,096 SH
LATTICE SEMICONDUCTOR CORP	COM	$4.4M	0.2%Prev: 0.1%	59,428 SH	Increased+24,590 SH
LENZ THERAPEUTICS INC	COM	$6.9M	0.3%Prev: 0.4%	431,100 SH	Decreased+239,703 SH
LIFE TIME GROUP HOLDINGS INC	COMMON STOCK	$44.1M	1.9%Prev: 1.9%	1,659,572 SH	Decreased-33,623 SH
LIGAND PHARMACEUTICALS INC	COM NEW	$4.9M	0.2%Prev: 0.2%	26,050 SH	Increased+1,088 SH
LIGHTPATH TECHNOLOGIES INC	COM CL A	$7.1M	0.3%	656,020 SH	New
LINDBLAD EXPEDITIONS HLDGS I	COM	$5.0M	0.2%Prev: 0.1%	345,574 SH	Increased+157,777 SH
LUMENTUM HLDGS INC	COM	$10.5M	0.4%Prev: 0.2%	28,498 SH	Increased-4,383 SH
MAGNITE INC	COM	$50.6M	2.2%Prev: 3.5%	3,115,930 SH	Decreased-757,249 SH
MAREX GROUP PLC	ORD	$52.8M	2.3%Prev: 1.5%	1,376,993 SH	Increased+322,039 SH
MATERION CORP	COM	$17.2M	0.7%Prev: 0.5%	138,226 SH	Increased+43,950 SH
MAYVILLE ENGR CO INC	COM	$5.0M	0.2%Prev: 0.2%	267,762 SH	Increased-81,505 SH
MODINE MFG CO	COM	$43.6M	1.9%Prev: 1.1%	326,474 SH	Increased+139,560 SH
MONTROSE ENVIRONMENTAL GROUP	COM	$4.9M	0.2%Prev: 0.1%	199,317 SH	Increased+108,577 SH
MOONLAKE IMMUNOTHERAPEUTICS	CLASS A ORD	$2.6M	0.1%	198,307 SH	New
MP MATERIALS CORP	COM CL A	$6.5M	0.3%	128,417 SH	New
NETSKOPE INC	CL A	$3.6M	0.2%Prev: 0.1%	202,461 SH	Increased+105,365 SH
NEXTPOWER INC	CLASS A COM	$33.5M	1.4%	384,710 SH	New
NOVA LTD	COM	$4.5M	0.2%Prev: 0.2%	13,783 SH	Decreased-1,945 SH
NPK INTERNATIONAL INC	COM SHS	$6.9M	0.3%Prev: 0.2%	580,447 SH	Increased+80,507 SH
NUTANIX INC	CL A	$7.9M	0.3%Prev: 0.5%	152,001 SH	Decreased-21,108 SH
NUVALENT INC	COM	$4.0M	0.2%	40,211 SH	New
ODDITY TECH LTD	SHS CL A	$61.2M	2.6%Prev: 3.8%	1,523,204 SH	Decreased+16,747 SH
OKTA INC	CL A	$4.3M	0.2%Prev: 0.4%	49,152 SH	Decreased-56,251 SH
ONTO INNOVATION INC	COM	$31.0M	1.3%Prev: 0.4%	196,642 SH	Increased+122,520 SH
OPTIMIZERX CORP	COM NEW	$1.4M	0.1%Prev: 0.1%	117,122 SH	Decreased+46,076 SH
ORTHOPEDIATRICS CORP	COM	$11.8M	0.5%Prev: 0.6%	663,981 SH	Decreased-95,970 SH
OWLET INC	CL A NEW	$11.1M	0.5%Prev: 0.2%	686,749 SH	Increased+176,845 SH
PHREESIA INC	COM	$40.6M	1.7%Prev: 1.3%	2,399,613 SH	Increased+1,018,987 SH
PORCH GROUP INC	COM	$105.8M	4.5%Prev: 6.6%	11,590,428 SH	Decreased+1,953,736 SH
QXO INC	COM NEW	$15.4M	0.7%Prev: 0.5%	799,612 SH	Increased+178,793 SH
RAMBUS INC DEL	COM	$24.4M	1.0%Prev: 1.0%	265,516 SH	Decreased+27,073 SH
RBC BEARINGS INC	COM	$21.9M	0.9%Prev: 0.7%	48,757 SH	Increased+2,907 SH
RED CAT HLDGS INC	COM	$1.1M	0.0%	132,572 SH	New
REDWIRE CORPORATION	COM	$2.4M	0.1%	316,942 SH	New
REPLIGEN CORP	COM	$11.8M	0.5%Prev: 0.4%	72,002 SH	Increased+2,131 SH
REVOLUTION MEDICINES INC	COM	$7.9M	0.3%Prev: 0.2%	99,194 SH	Increased-19,498 SH
RHYTHM PHARMACEUTICALS INC	COM	$5.7M	0.2%Prev: 0.2%	53,452 SH	Increased+3,724 SH
RIGETTI COMPUTING INC	COMMON STOCK	$4.9M	0.2%	221,227 SH	New
SCHOLAR ROCK HLDG CORP	COM	$6.8M	0.3%Prev: 0.2%	153,769 SH	Increased+23,855 SH
SEMTECH CORP	COM	$30.8M	1.3%Prev: 1.9%	418,227 SH	Decreased-223,265 SH
SHARKNINJA INC	COM SHS	$12.6M	0.5%Prev: 0.4%	112,863 SH	Increased+27,274 SH
SHOALS TECHNOLOGIES GROUP IN	CL A	$3.1M	0.1%Prev: 0.0%	363,482 SH	Increased+349,404 SH
SI-BONE INC	COM	$17.4M	0.7%Prev: 0.6%	880,155 SH	Increased-159,494 SH
SILICON LABORATORIES INC	COM	$4.2M	0.2%Prev: 0.1%	32,019 SH	Increased+22,263 SH
SILICON MOTION TECHNOLOGY CO	SPONSORED ADR	$21.2M	0.9%Prev: 0.8%	229,129 SH	Increased+21,371 SH
SOLENO THERAPEUTICS INC	COM	$6.4M	0.3%Prev: 0.3%	137,592 SH	Decreased+28,339 SH
SPORTRADAR GROUP AG	CLASS A ORD SHS	$39.7M	1.7%Prev: 2.1%	1,670,471 SH	Decreased-223,270 SH
SPS COMM INC	COM	$2.5M	0.1%Prev: 1.7%	28,004 SH	Decreased-368,776 SH
STEPSTONE GROUP INC	COM CL A	$18.5M	0.8%Prev: 1.0%	288,709 SH	Decreased-92,746 SH
STERLING INFRASTRUCTURE INC	COM	$18.1M	0.8%	59,148 SH	New
STOKE THERAPEUTICS INC	COM	$6.1M	0.3%Prev: 0.2%	191,397 SH	Increased-62,502 SH
SUNOPTA INC	COM	$10.1M	0.4%Prev: 0.7%	2,670,652 SH	Decreased-57,599 SH
SURO CAPITAL CORP	COM NEW	$203K	0.0%Prev: 0.0%	21,549 SH	Decreased-13,050 SH
SYNDAX PHARMACEUTICALS INC	COM	$7.7M	0.3%Prev: 0.2%	366,793 SH	Increased-29,543 SH
TALKSPACE INC	COM	$2.1M	0.1%	581,666 SH	New
TAYSHA GENE THERAPIES INC	COM SHS	$3.9M	0.2%Prev: 0.1%	703,971 SH	Increased-412,658 SH
TECOGEN INC NEW	COM NEW	$878K	0.0%Prev: 0.0%	177,822 SH	Decreased+65,484 SH
TEXAS CAP BANCSHARES INC	COM	$16.1M	0.7%Prev: 0.6%	178,369 SH	Increased+8,579 SH
TOAST INC	CL A	$36.8M	1.6%Prev: 1.8%	1,037,146 SH	Decreased-200,466 SH
TOWER SEMICONDUCTOR LTD	SHS NEW	$6.7M	0.3%Prev: 0.5%	56,795 SH	Decreased-121,393 SH
TRANSCAT INC	COM	$10.9M	0.5%Prev: 0.7%	191,580 SH	Decreased-36,985 SH
TTM TECHNOLOGIES INC	COM	$17.1M	0.7%	247,375 SH	New
UNITED STATES ANTIMONY CORP	COM	$2.4M	0.1%	478,991 SH	New
UNIVERSAL TECHNICAL INST INC	COM	$11.5M	0.5%Prev: 0.2%	439,252 SH	Increased+315,006 SH
UNUSUAL MACHS INC	COM SHS	$14.7M	0.6%	1,154,505 SH	New
VARONIS SYS INC	COM	$2.8M	0.1%Prev: 0.4%	84,421 SH	Decreased-79,711 SH
VEECO INSTRS INC DEL	COM	$6.4M	0.3%Prev: 0.4%	223,278 SH	Decreased-68,969 SH
VERTEX INC	CL A	$3.0M	0.1%Prev: 0.3%	150,299 SH	Decreased-139,010 SH
VICTORY CAP HLDGS INC	COM CL A	$67.8M	2.9%Prev: 3.2%	1,075,202 SH	Decreased-123,358 SH
VIKING THERAPEUTICS INC	COM	$8.3M	0.4%Prev: 0.2%	235,586 SH	Increased+46,057 SH
VITAL FARMS INC	COM	$6.9M	0.3%	216,551 SH	New
WEALTHFRONT CORP	COM	$18.8M	0.8%	1,386,092 SH	New
WEAVE COMMUNICATIONS INC	COM	$2.1M	0.1%Prev: 0.1%	280,610 SH	Increased+16,212 SH
WILLSCOT HLDGS CORP	COM CL A	$5.6M	0.2%Prev: 0.2%	297,852 SH	Increased+97,405 SH
XENON PHARMACEUTICALS INC	COM	$4.2M	0.2%Prev: 0.1%	92,778 SH	Increased+5,308 SH
XERIS BIOPHARMA HOLDINGS INC	COM	$9.6M	0.4%Prev: 0.1%	1,223,404 SH	Increased+873,236 SH
ZETA GLOBAL HOLDINGS CORP	CL A	$53.3M	2.3%Prev: 1.0%	2,617,630 SH	Increased+1,373,164 SH
ZYMEWORKS INC	COM	$5.9M	0.3%Prev: 0.2%	224,408 SH	Increased-120,923 SH

Sold (vs prior filing)

ACV AUCTIONS INC — $6.5M
CIENA CORP — $3.6M
CONFLUENT INC — $3.8M
EYEPOINT PHARMACEUTICALS INC — $5.0M
GREEN BRICK PARTNERS INC — $4.6M
HARVARD BIOSCIENCE INC — $265K
INSMED INC — $1.9M
INTELLIA THERAPEUTICS INC — $5.9M
INTERDIGITAL INC — $2.6M
MERUS N V — $6.2M
NATERA INC — $3.3M
NEXTRACKER INC — $30.7M
NEXXEN INTL LTD — $2.2M
NORWEGIAN CRUISE LINE HLDG L — $9.9M
POWELL INDS INC — $5.1M
SHIFT4 PMTS INC — $15.2M
SWEETGREEN INC — $1.7M
TOPGOLF CALLAWAY BRANDS CORP — $4.2M

All filings

Open a filing on Jive Data

Filing Date	Quarter	Form	Accession	Portfolio	Filing
Feb 17, 2026	Q4 2025	13F-HR	0001398344-26-003202	$2.34B	View
Nov 14, 2025	Q3 2025	13F-HR	0001398344-25-020897	$2.44B	View
Aug 14, 2026	Q2 2026