Granahan Investment Management, LLC

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 17, 2026), Granahan Investment Management, LLC reported 157 stock positions worth $2.3 billion. Its top holding was Porch (PRCH) at 4.5% of the portfolio, followed by Genius Sports (GENI, 3.7%) and Carpenter Technology (CRS, 3.6%). Compared with Q3 2025, it opened 27 new positions, sold out of 16, added to 68 and reduced 62. The biggest buy was Zeta Global Class A (ZETA, shares +110%) and the biggest sale Comfort Systems USA (FIX, shares −72%).

Most Recent 13F
Q2 2026
Location
WALTHAM, MA
CIK
0001026710
Portfolio Value
$2.3B (Q4 2025)
SEC Filing
0001398344-26-003202 ↗ filed Feb 17, 2026

Holdings Value

0$1.0B$2.0B$3.0B Q1 2024: $2.8B Q1 2024 Q2 2024: $2.5B Q2 2024 Q3 2024: $2.5B Q3 2024 Q4 2024: $2.4B Q4 2024 Q1 2025: $2.0B Q1 2025 Q2 2025: $2.5B Q2 2025 Q3 2025: $2.4B Q3 2025 Q4 2025: $2.3B $2.3B Q4 2025 Q1 2026: $2.1B Q1 2026 Q2 2026: $2.8B Q2 2026

Holdings 157 stocks · $2.3B
PRCH Porch Group Inc. 4.53% 11,590,428 $105.8M Add +20.3%
GENI Genius Sports Ltd. 3.71% 7,853,872 $86.5M Reduce -1.6%
CRS Carpenter Technology 3.60% 267,175 $84.1M Reduce -0.8%
FTAI Ftai Aviation Ltd. 2.93% 347,365 $68.4M Add +29.9%
VCTR Victory Capital Holding - A 2.90% 1,075,202 $67.8M Reduce -10.3%
ODD Oddity Tech Ltd. Class A 2.62% 1,523,204 $61.2M Add +1.1%
INDI Indie Semiconductor Inc. Class A 2.60% 17,216,584 $60.8M Reduce -1.5%
CLBT Cellebrite Di Ltd. 2.36% 3,057,018 $55.1M Add +16.3%
ZETA Zeta Global Holdings Corp. Class A 2.28% 2,617,630 $53.3M Add +110.3%
MRX Marex UK Holdings Ltd. filed as MAREX GROUP PLC 2.26% 1,376,993 $52.8M Add +30.5%
MGNI Magnite Inc. 2.17% 3,115,930 $50.6M Reduce -19.6%
GLBE Global-E Online Ltd. 2.01% 1,191,892 $46.9M Reduce -2.4%
LTH Life Time Group Holdings Inc. 1.89% 1,659,572 $44.1M Reduce -2.0%
MOD Modine Manufacturing Co. 1.87% 326,474 $43.6M Add +74.7%
AXON Axon Enterprise Inc. 1.84% 75,714 $43.0M Reduce -2.2%
KRUS Kura Sushi USA Inc. Class A 1.76% 787,108 $41.2M Add +17.3%
PHR Phreesia Inc. 1.74% 2,399,613 $40.6M Add +73.8%
SRAD Sportradar Group AG-A 1.70% 1,670,471 $39.7M Reduce -11.8%
KRNT Kornit Digital Ltd. 1.58% 2,569,663 $37.0M Add +31.4%
TOST Toast Inc. Class A 1.58% 1,037,146 $36.8M Reduce -16.2%
NXT Nextpower Inc. 1.44% 384,710 $33.5M Reduce -7.3%
COMP Compass Inc. Class A 1.42% 3,136,223 $33.1M Reduce -34.8%
APPS Digital Turbine Inc. 1.36% 6,349,463 $31.7M Add +11.1%
ONTO Onto Innovation Inc. 1.33% 196,642 $31.0M Add +165.3%
SMTC Semtech Corp. 1.32% 418,227 $30.8M Reduce -34.8%
FIGR Figure Technology Solut Class A 1.16% 665,518 $27.2M Add +45.1%
CWST Casella Waste Systems Inc. Class A 1.08% 257,715 $25.2M Reduce -18.0%
AMRC Ameresco Inc. Class A 1.06% 848,007 $24.8M Reduce -4.7%
RMBS Rambus Inc. 1.04% 265,516 $24.4M Add +11.3%
FIX Comfort Systems USA Inc. 1.04% 26,035 $24.3M Reduce -71.9%
FWRG First Watch Restaurant Group 0.94% 1,451,237 $21.9M Reduce -13.0%
RBC RBC Bearings Inc. 0.94% 48,757 $21.9M Add +6.3%
SIMO Silicon Motion Technol-ADR 0.91% 229,129 $21.2M Add +10.3%
KVYO Klaviyo Inc. Class A 0.84% 605,271 $19.7M Add +94.7%
WLTH Wealthfront Corp. 0.81% 1,386,092 $18.8M New
STEP Stepstone Group Inc. Class A 0.79% 288,709 $18.5M Reduce -24.3%
LEU Centrus Energy Corp. Class A 0.78% 75,235 $18.3M Reduce -55.4%
STRL Sterling Infrastructure Inc. 0.78% 59,148 $18.1M New
GTES Gates Industrial Corp. UK Ltd. 0.77% 834,723 $17.9M Add +22.3%
SIBN Si-Bone Inc. 0.74% 880,155 $17.4M Reduce -15.3%
MTRN Materion Corp. 0.74% 138,226 $17.2M Add +46.6%
TTMI TTM Technologies 0.73% 247,375 $17.1M New
TCBI Texas Capital Bancshares Inc. 0.69% 178,369 $16.1M Add +5.0%
QXO Qxo Inc. 0.66% 799,612 $15.4M Add +28.8%
HUBS HubSpot Inc. 0.65% 37,831 $15.2M Add +57.3%
ALHC Alignment Healthcare Inc. 0.63% 749,487 $14.8M Add +29.1%
UMAC Unusual Machines Inc. 0.63% 1,154,505 $14.7M New
ENVX Enovix Corp. 0.61% 1,964,565 $14.4M Add +12.3%
CAVA Cava Group Inc. 0.58% 230,803 $13.5M New
CRDO Credo Technology Group Holdi 0.57% 91,770 $13.2M Add +9.3%
KNSA Kiniksa Pharmaceuticals Inte 0.56% 316,213 $13.0M Add +11.5%
ACHR Archer Aviation Inc. Class A 0.55% 1,713,170 $12.9M Reduce -41.7%
SN Sharkninja Inc. 0.54% 112,863 $12.6M Add +31.9%
BETA Beta Technologies Inc. Class A 0.53% 438,351 $12.4M New
RGEN Repligen Corp. 0.51% 72,002 $11.8M Add +3.0%
KIDS Orthopediatrics Corp. 0.51% 663,981 $11.8M Reduce -12.6%
BLFS Biolife Solutions Inc. 0.50% 482,356 $11.7M Add +23.0%
UTI Universal Technical Institut 0.49% 439,252 $11.5M Add +253.5%
OWLT Owlet Inc. 0.48% 686,749 $11.1M Add +34.7%
TRNS Transcat Inc. 0.47% 191,580 $10.9M Reduce -16.2%
LITE Lumentum Holdings Inc. 0.45% 28,498 $10.5M Reduce -13.3%
STKL Sunopta Inc. 0.43% 2,670,652 $10.1M Reduce -2.1%
XERS Xeris Biopharma Holdings Inc. 0.41% 1,223,404 $9.6M Add +249.4%
FROG Jfrog Ltd. 0.40% 150,580 $9.4M Reduce -8.4%
JBTM JBT Marel Corp. 0.40% 62,044 $9.3M Reduce -2.1%
IMNM Immunome Inc. 0.40% 435,123 $9.3M Add +2.1%
CELC Celcuity Inc. 0.37% 87,032 $8.7M Add +76.6%
HQY Healthequity Inc. 0.36% 91,020 $8.3M New
VKTX Viking Therapeutics Inc. 0.35% 235,586 $8.3M Add +24.3%
RVMD Revolution Medicines Inc. 0.34% 99,194 $7.9M Reduce -16.4%
NTNX Nutanix Inc. Class A 0.34% 152,001 $7.9M Reduce -12.2%
BBIO Bridgebio Pharma Inc. 0.33% 101,805 $7.8M Reduce -36.9%
SNDX Syndax Pharmaceuticals Inc. 0.33% 366,793 $7.7M Reduce -7.5%
KNSL Kinsale Capital Group Inc. 0.33% 19,686 $7.7M Add +26.0%
APGE Apogee Therapeutics Inc. 0.31% 94,720 $7.1M Reduce -28.5%
LPTH Lightpath Technologies Inc. Class A 0.30% 656,020 $7.1M New
BOOT Boot Barn Holdings Inc. 0.30% 39,495 $7.0M Add +7.7%
NPKI NPK International Inc. 0.30% 580,447 $6.9M Add +16.1%
VITL Vital Farms Inc. 0.30% 216,551 $6.9M New
LENZ Lenz Therapeutics Inc. 0.30% 431,100 $6.9M Add +125.2%
AZTA Azenta Inc. 0.29% 204,676 $6.8M Add +1999.7%
SRRK Scholar Rock Holding Corp. 0.29% 153,769 $6.8M Add +18.4%
EYPT Eyepoint Inc. 0.29% 366,675 $6.7M Add +5.4%
TSEM Tower Semiconductor Ltd. 0.29% 56,795 $6.7M Reduce -68.1%
CECO Ceco Environmental Corp. 0.28% 108,889 $6.5M Reduce -53.6%
MP MP Materials Corp. 0.28% 128,417 $6.5M New
VECO Veeco Instruments Inc. 0.27% 223,278 $6.4M Reduce -23.6%
SLNO Soleno Therapeutics Inc. 0.27% 137,592 $6.4M Add +25.9%
CSGP Costar Group Inc. 0.26% 91,929 $6.2M Reduce -66.0%
ALKT Alkami Technology Inc. 0.26% 265,266 $6.1M Reduce -1.8%
ANAB Anaptysbio Inc. 0.26% 125,855 $6.1M Reduce -14.8%
STOK Stoke Therapeutics Inc. 0.26% 191,397 $6.1M Reduce -24.6%
ZYME Zymeworks Inc. 0.25% 224,408 $5.9M Reduce -35.0%
IMVT Immunovant Inc. 0.25% 230,188 $5.9M Reduce -13.5%
EXAS Exact Sciences Corp. 0.25% 57,212 $5.8M Reduce -79.7%
EWTX Edgewise Therapeutics Inc. 0.25% 232,295 $5.8M Reduce -31.6%
RYTM Rhythm Pharmaceuticals Inc. 0.24% 53,452 $5.7M Add +7.5%
WSC Willscot Holdings Corp. 0.24% 297,852 $5.6M Add +48.6%
CVLT Commvault Systems Inc. 0.24% 44,706 $5.6M Add +6.8%
ELF Elf Beauty Inc. 0.24% 73,239 $5.6M Reduce -25.9%
FN Fabrinet 0.23% 11,877 $5.4M New
CYTK Cytokinetics Inc. 0.22% 82,121 $5.2M Add +53.4%
CORZ Core Scientific Inc. 0.22% 350,956 $5.1M New
BELFB Bel Fuse Inc. Class B 0.22% 29,884 $5.1M Reduce -65.8%
AGYS Agilysys Inc. 0.21% 42,257 $5.0M Reduce -55.1%
MEC Mayville Engineering Co. Inc. 0.21% 267,762 $5.0M Reduce -23.3%
LIND Lindblad Expeditions Holding 0.21% 345,574 $5.0M Add +84.0%
ONT Onterris Inc. filed as MONTROSE ENVIRONMENTAL GROUP 0.21% 199,317 $4.9M Add +119.7%
LGND Ligand Pharmaceuticals 0.21% 26,050 $4.9M Add +4.4%
RGTI Rigetti Computing Inc. 0.21% 221,227 $4.9M New
IONQ Ionq Inc. 0.21% 106,722 $4.8M New
ARLO Arlo Technologies Inc. 0.20% 338,382 $4.7M Add +75.4%
CCOI Cogent Communications Holdin 0.20% 217,025 $4.7M Add +99.1%
NVMI Nova Ltd. 0.19% 13,783 $4.5M Reduce -12.4%
LSCC Lattice Semiconductor Corp. 0.19% 59,428 $4.4M Add +70.6%
GRAL Grail Inc. 0.19% 50,508 $4.3M New
CHEF The Chefs' Warehouse Inc. 0.18% 68,823 $4.3M Add +1241.3%
OKTA Okta Inc. 0.18% 49,152 $4.3M Reduce -53.4%
SLAB Silicon Laboratories Inc. 0.18% 32,019 $4.2M Add +228.2%
XENE Xenon Pharmaceuticals Inc. 0.18% 92,778 $4.2M Add +6.1%
CERT Certara Inc. 0.17% 460,797 $4.1M Add +8.2%
RCUS Arcus Biosciences Inc. 0.17% 169,940 $4.0M Reduce -62.7%
NUVL Nuvalent Inc. Class A 0.17% 40,211 $4.0M New
WGS Genedx Holdings Corp. 0.17% 30,910 $4.0M Add +30.4%
CRVL Corvel Corp. 0.17% 58,679 $4.0M Add +66.9%
TSHA Taysha Gene Therapies Inc. 0.17% 703,971 $3.9M Reduce -37.0%
BBNX Beta Bionics Inc. 0.16% 121,246 $3.7M Add +41.4%
AIP Arteris Inc. 0.16% 236,896 $3.7M Reduce -61.9%
NTSK Netskope Inc. Class A 0.15% 202,461 $3.6M Add +108.5%
SHLS Shoals Technologies Group -A 0.13% 363,482 $3.1M Add +2481.9%
VERX Vertex Inc. Class A 0.13% 150,299 $3.0M Reduce -48.0%
BWXT BWX Technologies Inc. 0.13% 17,355 $3.0M Add +64.9%
DSGX The Descartes Systems Grp 0.12% 33,237 $2.9M Reduce -84.6%
CHYM Chime Financial Inc. Class A 0.12% 115,755 $2.9M New
VRNS Varonis Systems Inc. 0.12% 84,421 $2.8M Reduce -48.6%
MLTX Moonlake Immunotherapeutics 0.11% 198,307 $2.6M New
IRTC Irhythm Holdings Inc. 0.11% 14,377 $2.6M Reduce -3.8%
SPSC SPS Commerce Inc. 0.11% 28,004 $2.5M Reduce -92.9%
RDW Redwire Corp. 0.10% 316,942 $2.4M New
UAMY United States Antimony Corp. 0.10% 478,991 $2.4M New
ALGM Allegro Microsystems Inc. 0.10% 89,857 $2.4M New
WEAV Weave Communications Inc. 0.09% 280,610 $2.1M Add +6.1%
TALK Talkspace Inc. 0.09% 581,666 $2.1M New
EXLS Exlservice Holdings Inc. 0.09% 48,206 $2.0M Reduce -71.0%
ELVA Electrovaya Inc. 0.07% 194,961 $1.5M New
OPRX Optimizerx Corp. 0.06% 117,122 $1.4M Add +64.8%
RCAT Red Cat Holdings Inc. 0.04% 132,572 $1.1M New
TGEN Tecogen Inc./Waltham Ma 0.04% 177,822 $878K Add +58.3%
AMPX Amprius Technologies Inc. 0.02% 64,382 $508K New
MASS 908 Devices Inc. 0.02% 91,141 $478K Add +41.7%
ADTN Adtran Holdings Inc. 0.02% 54,840 $477K Reduce -90.6%
IRMD Iradimed Corp. 0.02% 4,892 $476K Reduce -26.1%
CEVA Ceva Inc. 0.02% 20,269 $436K Add +14.3%
DAVE Dave Inc. 0.02% 1,911 $423K Reduce -84.1%
CYRX Cryoport Inc. 0.02% 40,200 $386K New
IWO iShares Russell 2000 Growth 0.02% 1,126 $364K New
NSLR Neostellar Capital Corp. filed as SURO CAPITAL CORP 0.01% 21,549 $203K Reduce -37.7%

Portfolio Sells Q3 2025 → Q4 2025
FIX Comfort Systems USA Inc. Reduce -71.9% 1.04% −2.09
SPSC SPS Commerce Inc. Reduce -92.9% 0.11% −1.58
LEU Centrus Energy Corp. Class A Reduce -55.4% 0.78% −1.36
MGNI Magnite Inc. Reduce -19.6% 2.17% −1.29
DSGX The Descartes Systems Grp Reduce -84.6% 0.12% −0.71
CSGP Costar Group Inc. Reduce -66.0% 0.26% −0.67
FOUR SHIFT4 Payments Inc. Class A Sold out 0.00% −0.62
ACHR Archer Aviation Inc. Class A Reduce -41.7% 0.55% −0.60
SMTC Semtech Corp. Reduce -34.8% 1.32% −0.56
AXON Axon Enterprise Inc. Reduce -2.2% 1.84% −0.43
NCLH Norwegian Cruise Line Holdin Sold out 0.00% −0.41
SRAD Sportradar Group AG-A Reduce -11.8% 1.70% −0.39
EXAS Exact Sciences Corp. Reduce -79.7% 0.25% −0.38
GENI Genius Sports Ltd. Reduce -1.6% 3.71% −0.34
INDI Indie Semiconductor Inc. Class A Reduce -1.5% 2.60% −0.31
ELF Elf Beauty Inc. Reduce -25.9% 0.24% −0.30
BELFB Bel Fuse Inc. Class B Reduce -65.8% 0.22% −0.29
VCTR Victory Capital Holding - A Reduce -10.3% 2.90% −0.27
TOST Toast Inc. Class A Reduce -16.2% 1.58% −0.27
VRNS Varonis Systems Inc. Reduce -48.6% 0.12% −0.27
ACVA Acv Auctions Inc. Class A Sold out 0.00% −0.26
MRUS Merus NV Sold out 0.00% −0.26
NTLA Intellia Therapeutics Inc. Sold out 0.00% −0.24
TSEM Tower Semiconductor Ltd. Reduce -68.1% 0.29% −0.24
STEP Stepstone Group Inc. Class A Reduce -24.3% 0.79% −0.23
STKL Sunopta Inc. Reduce -2.1% 0.43% −0.22
TRNS Transcat Inc. Reduce -16.2% 0.47% −0.22
OKTA Okta Inc. Reduce -53.4% 0.18% −0.21
CECO Ceco Environmental Corp. Reduce -53.6% 0.28% −0.21
EXLS Exlservice Holdings Inc. Reduce -71.0% 0.09% −0.21
POWL Powell Industries Inc. Sold out 0.00% −0.21
ADTN Adtran Holdings Inc. Reduce -90.6% 0.02% −0.20
AGYS Agilysys Inc. Reduce -55.1% 0.21% −0.19
NTNX Nutanix Inc. Class A Reduce -12.2% 0.34% −0.19
GRBK Green Brick Partners Inc. Sold out 0.00% −0.19
CALY Callaway Golf Company Sold out 0.00% −0.17
VERX Vertex Inc. Class A Reduce -48.0% 0.13% −0.17
COMP Compass Inc. Class A Reduce -34.8% 1.42% −0.16
AMRC Ameresco Inc. Class A Reduce -4.7% 1.06% −0.16
CFLT Confluent Inc. Class A Sold out 0.00% −0.16
CIEN Ciena Corp. Sold out 0.00% −0.15
CWST Casella Waste Systems Inc. Class A Reduce -18.0% 1.08% −0.14
NTRA Natera Inc. Sold out 0.00% −0.13
FWRG First Watch Restaurant Group Reduce -13.0% 0.94% −0.13
IDCC Interdigital Inc. Sold out 0.00% −0.11
AIP Arteris Inc. Reduce -61.9% 0.16% −0.10
NEXN Nexxen International Ltd. Sold out 0.00% −0.09
VECO Veeco Instruments Inc. Reduce -23.6% 0.27% −0.09
RCUS Arcus Biosciences Inc. Reduce -62.7% 0.17% −0.08
DAVE Dave Inc. Reduce -84.1% 0.02% −0.08

Portfolio Buys Q3 2025 → Q4 2025
ZETA Zeta Global Holdings Corp. Class A Add +110.3% 2.28% +1.27
FTAI Ftai Aviation Ltd. Add +29.9% 2.93% +1.10
ONTO Onto Innovation Inc. Add +165.3% 1.33% +0.94
MRX Marex UK Holdings Ltd. Add +30.5% 2.26% +0.81
WLTH Wealthfront Corp. New 0.81% +0.81
MOD Modine Manufacturing Co. Add +74.7% 1.87% +0.78
STRL Sterling Infrastructure Inc. New 0.78% +0.78
TTMI TTM Technologies New 0.73% +0.73
UMAC Unusual Machines Inc. New 0.63% +0.63
CAVA Cava Group Inc. New 0.58% +0.58
BETA Beta Technologies Inc. Class A New 0.53% +0.53
KRNT Kornit Digital Ltd. Add +31.4% 1.58% +0.50
KVYO Klaviyo Inc. Class A Add +94.7% 0.84% +0.49
FIGR Figure Technology Solut Class A Add +45.1% 1.16% +0.48
PHR Phreesia Inc. Add +73.8% 1.74% +0.41
CLBT Cellebrite Di Ltd. Add +16.3% 2.36% +0.37
HQY Healthequity Inc. New 0.36% +0.36
UTI Universal Technical Institut Add +253.5% 0.49% +0.33
LPTH Lightpath Technologies Inc. Class A New 0.30% +0.30
OWLT Owlet Inc. Add +34.7% 0.48% +0.30
VITL Vital Farms Inc. New 0.30% +0.30
XERS Xeris Biopharma Holdings Inc. Add +249.4% 0.41% +0.29
AZTA Azenta Inc. Add +1999.7% 0.29% +0.28
MP MP Materials Corp. New 0.28% +0.28
CELC Celcuity Inc. Add +76.6% 0.37% +0.27
MTRN Materion Corp. Add +46.6% 0.74% +0.27
FN Fabrinet New 0.23% +0.23
ALHC Alignment Healthcare Inc. Add +29.1% 0.63% +0.22
CORZ Core Scientific Inc. New 0.22% +0.22
RGTI Rigetti Computing Inc. New 0.21% +0.21
IONQ Ionq Inc. New 0.21% +0.21
RBC RBC Bearings Inc. Add +6.3% 0.94% +0.20
IMNM Immunome Inc. Add +2.1% 0.40% +0.20
HUBS HubSpot Inc. Add +57.3% 0.65% +0.19
GRAL Grail Inc. New 0.19% +0.19
SN Sharkninja Inc. Add +31.9% 0.54% +0.18
QXO Qxo Inc. Add +28.8% 0.66% +0.18
NUVL Nuvalent Inc. Class A New 0.17% +0.17
CHEF The Chefs' Warehouse Inc. Add +1241.3% 0.18% +0.17
VKTX Viking Therapeutics Inc. Add +24.3% 0.35% +0.15
KRUS Kura Sushi USA Inc. Class A Add +17.3% 1.76% +0.13
SHLS Shoals Technologies Group -A Add +2481.9% 0.13% +0.13
SLAB Silicon Laboratories Inc. Add +228.2% 0.18% +0.13
CHYM Chime Financial Inc. Class A New 0.12% +0.12
RGEN Repligen Corp. Add +3.0% 0.51% +0.12
LIND Lindblad Expeditions Holding Add +84.0% 0.21% +0.12
MLTX Moonlake Immunotherapeutics New 0.11% +0.11
ONT Onterris Inc. Add +119.7% 0.21% +0.11
KNSA Kiniksa Pharmaceuticals Inte Add +11.5% 0.56% +0.11
TCBI Texas Capital Bancshares Inc. Add +5.0% 0.69% +0.10

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 150$2.8BPRCH, SIMO, FPS, INDI, VCTR
Q1 2026 149$2.1BCRS, PRCH, FTAI, MOD, VCTR
Q4 2025 157$2.3BPRCH, GENI, CRS, FTAI, VCTR
Q3 2025 146$2.4BPRCH, GENI, ODD, MGNI, VCTR
Q2 2025 153$2.5BPRCH, ODD, MGNI, GENI, MRX
Q1 2025 159$2.0BPRCH, GENI, MRX, ODD, VCTR
Q4 2024 180$2.4BAXON, VCTR, INDI, GENI, MRX
Q3 2024 187$2.5BEVH, AXON, ZETA, INDI, TOST
Q2 2024 180$2.5BINDI, ZETA, AXON, MGNI, SPT
Q1 2024 181$2.8BINDI, SPT, AXON, ZETA, EVH