13F Filings History of Granahan Investment Management, LLC

Latest 13F report
Q4 2025 - 17 Feb 2026
Value $
$2,335,331,627
Signature - Title
Susan Rawley - VP/Operations and Account Administration
Location
Waltham, MA
Summary
This page shows a list of all the recent 13F filings made by Granahan Investment Management, LLC. Form 13F is required to be filed within 45 days of the end of a calendar quarter. Granahan Investment Management, LLC reported 157 stock holdings with total value $2,335,331,627 as of Q4 2025. Top holdings included PRCH, GENI, CRS, FTAI, and VCTR.

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Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q4 2025 157 $2,335,331,627 +$455,110,393 -$457,846,973 -$2,736,580 PRCH, GENI, CRS, FTAI, VCTR 13F-HR 17 Feb 2026, 09:00
Q3 2025 146 $2,442,488,478 +$401,585,462 -$553,634,283 -$152,048,821 PRCH, GENI, ODD, MGNI, VCTR 13F-HR 14 Nov 2025, 09:00
Q2 2025 153 $2,456,765,650 +$327,975,926 -$321,652,636 +$6,323,290 PRCH, ODD, MGNI, GENI, MRX 13F-HR 14 Aug 2025, 09:00
Q1 2025 159 $2,007,975,510 +$281,239,371 -$396,919,937 -$115,680,566 PRCH, GENI, MRX, ODD, VCTR 13F-HR 15 May 2025, 09:00
Q4 2024 180 $2,395,112,738 +$336,172,260 -$603,612,650 -$267,440,390 AXON, VCTR, INDI, GENI, MRX 13F-HR 14 Feb 2025, 09:00
Q3 2024 187 $2,542,600,847 +$337,585,800 -$535,399,832 -$197,814,032 EVH, AXON, ZETA, INDI, TOST 13F-HR 14 Nov 2024, 09:00
Q2 2024 180 $2,499,542,292 +$390,614,730 -$584,162,713 -$193,547,983 INDI, ZETA, AXON, MGNI, SPT 13F-HR 14 Aug 2024, 09:00
Q1 2024 181 $2,847,901,962 +$326,898,988 -$604,392,063 -$277,493,075 INDI, SPT, AXON, ZETA, EVH 13F-HR 15 May 2024, 12:31
Q4 2023 180 $3,027,606,559 +$460,168,547 -$587,668,607 -$127,500,060 INDI, SPT, AXON, EVH, GENI 13F-HR 14 Feb 2024, 09:00
Q3 2023 183 $2,806,920,851 +$311,606,875 -$394,483,610 -$82,876,735 AXON, SPT, EVH, GENI, SPSC 13F-HR 14 Nov 2023, 09:00
Q2 2023 175 $3,249,667,427 +$415,876,196 -$600,022,064 -$184,145,868 SPSC, MGNI, AXON, SPT, PAYC 13F-HR 14 Aug 2023, 09:00
Q1 2023 165 $3,286,588,552 +$307,813,557 -$509,351,817 -$201,538,260 AXON, EVH, SPSC, PAYC, ETSY 13F-HR 15 May 2023, 09:00
Q4 2022 170 $3,270,480,003 +$375,608,271 -$222,955,451 +$152,652,820 AXON, MGNI, PAYC, SPSC, CSGP 13F-HR 14 Feb 2023, 09:00
Q3 2022 176 $3,062,803,000 +$401,298,906 -$413,074,472 -$11,775,566 PAYC, ENPH, SPSC, CSGP, AXON 13F-HR 14 Nov 2022, 09:00
Q2 2022 172 $2,928,151,000 +$416,458,731 -$442,947,329 -$26,488,598 ENPH, PAYC, CSGP, SPSC, EVH 13F-HR 15 Aug 2022, 07:09
Q1 2022 178 $4,028,193,000 +$555,533,924 -$657,754,354 -$102,220,430 KRNT, EVH, AXON, ENPH, CSGP 13F-HR 16 May 2022, 07:16
Q4 2021 186 $4,858,530,000 +$662,115,905 -$596,691,121 +$65,424,784 KRNT, AXON, PAYC, SPSC, MGNI 13F-HR 14 Feb 2022, 10:03
Q3 2021 193 $5,270,659,000 +$508,565,617 -$539,001,902 -$30,436,285 KRNT, MGNI, PAYC, AXON, WK 13F-HR 15 Nov 2021, 09:43
Q2 2021 193 $5,367,714,000 +$1,034,153,780 -$672,692,424 +$361,461,356 KRNT, MGNI, AXON, ENPH, LPSN 13F-HR 16 Aug 2021, 11:09
Q1 2021 191 $4,715,808,000 +$852,629,988 -$849,014,187 +$3,615,801 KRNT, MGNI, ETSY, ENPH, LPSN 13F-HR 17 May 2021, 12:34
Q4 2020 192 $4,453,990,000 +$984,901,677 -$602,953,142 +$381,948,535 ENPH, MGNI, KRNT, LPSN, ETSY 13F-HR 12 Feb 2021, 16:28
Q3 2020 180 $2,945,445,000 +$452,784,807 -$544,039,901 -$91,255,094 LPSN, ENPH, KRNT, AXON, ETSY 13F-HR 12 Nov 2020, 12:28
Q2 2020 191 $2,766,157,000 +$480,459,895 -$446,390,648 +$34,069,247 LPSN, AXON, ETSY, CHGG, KRNT 13F-HR 14 Aug 2020, 11:09
Q1 2020 184 $1,857,022,000 +$330,433,401 -$235,275,717 +$95,157,684 CHGG, EHTH, LPSN, AXON, CSGP 13F-HR 12 May 2020, 14:41
Q4 2019 181 $2,173,215,000 +$336,346,356 -$213,810,337 +$122,536,019 LPSN, CSGP, CHGG, PCTY, EHTH 13F-HR 14 Feb 2020, 15:50
Q3 2019 180 $1,817,345,000 +$224,243,788 -$269,319,439 -$45,075,651 LPSN, CSGP, ETSY, PCTY, PAYC 13F-HR 14 Nov 2019, 17:42
Q2 2019 183 $2,023,638,000 +$228,593,853 -$217,417,945 +$11,175,908 CSGP, LPSN, ETSY, PAYC, COUP 13F-HR 14 Aug 2019, 15:16
Q1 2019 189 $1,862,384,000 +$317,085,327 -$233,962,453 +$83,122,874 CSGP, LPSN, ETSY, PAYC, KRNT 13F-HR 14 May 2019, 13:45
Q4 2018 193 $1,411,972,000 +$200,522,636 -$264,640,020 -$64,117,384 CSGP, LPSN, PAYC, ETSY, STRA 13F-HR 13 Feb 2019, 15:01
Q3 2018 201 $1,843,059,000 +$262,717,890 -$253,025,719 +$9,692,171 LPSN, CSGP, STRA, PAYC, KRNT 13F-HR 13 Nov 2018, 10:52
Q2 2018 207 $1,659,893,000 +$327,140,534 -$256,659,260 +$70,481,274 LPSN, CSGP, SODA, KRNT, WW 13F-HR 15 Aug 2018, 15:03
Q1 2018 197 $1,384,869,000 +$227,792,172 -$228,824,670 -$1,032,498 CSGP, LPSN, SODA, TWOU, TDOC 13F-HR 14 May 2018, 11:47
Q4 2017 229 $1,271,336,000 +$230,435,985 -$228,289,765 +$2,146,220 CSGP, KRNT, TWOU, LPSN, SODA 13F-HR 12 Feb 2018, 11:56
Q3 2017 222 $1,198,917,000 +$173,965,015 -$139,148,062 +$34,816,953 CSGP, LPSN, TWOU, KRNT, SODA 13F-HR 14 Nov 2017, 16:50
Q2 2017 229 $1,084,863,000 +$207,797,457 -$218,713,936 -$10,916,479 CSGP, TWOU, LPSN, KRNT, TREE 13F-HR 11 Aug 2017, 10:55
Q1 2017 211 $996,394,000 +$64,282,973 -$2,236,769,182 -$2,172,486,209 CSGP, AMG, IMAX, AZTA, TREE 13F-HR 15 May 2017, 16:48
Q4 2016 229 $2,910,737,000 +$358,989,399 -$519,427,956 -$160,438,557 ABMD, TREE, AZTA, IMAX, SPSC 13F-HR 14 Feb 2017, 15:47
Q3 2016 233 $3,053,922,000 +$306,876,450 -$381,244,851 -$74,368,401 SPSC, ULTI, TWOU, GIMO, CSGP 13F-HR 14 Nov 2016, 14:41
Q2 2016 206 $2,743,566,000 +$304,112,595 -$471,397,879 -$167,285,284 TREE, ULTI, CSGP, SPSC, TWOU 13F-HR 12 Aug 2016, 15:40
Q1 2016 210 $2,749,783,000 +$320,984,492 -$287,597,643 +$33,386,849 TREE, ULTI, AMG, CSGP, SMCI 13F-HR 13 May 2016, 16:17
Q4 2015 240 $2,907,581,000 +$236,611,939 -$695,072,313 -$458,460,374 ULTI, ABCO, CSGP, SPSC, DWRE 13F-HR 12 Feb 2016, 14:51
Q3 2015 255 $3,228,540,000 +$574,933,755 -$402,817,821 +$172,115,934 ULTI, SPSC, AMG, EEFT, P Restatement 17 Nov 2015, 16:01
Q2 2015 236 $3,532,388,000 +$323,443,368 -$370,789,204 -$47,345,836 AMG, ABCO, BLOX, SPSC, CSGP 13F-HR 12 Aug 2015, 13:47
Q1 2015 231 $3,494,473,000 +$536,975,391 -$581,843,399 -$44,868,008 AMG, ABCO, RBC, TASR, SPSC 13F-HR 10 Apr 2015, 10:50
Q4 2014 211 $3,425,464,000 +$209,001,916 -$290,990,595 -$81,988,679 AMG, ALKS, IMAX, NKTR, CROX 13F-HR 20 Jan 2015, 15:15
Q3 2014 206 $3,238,473,000 +$209,210,654 -$245,173,199 -$35,962,545 WST, CROX, AMG, P, CSGP 13F-HR 10 Oct 2014, 15:01
Q2 2014 210 $3,426,702,000 +$243,299,337 -$449,777,683 -$206,478,346 CROX, WST, AMG, ALKS, BRKR 13F-HR 22 Jul 2014, 10:25
Q1 2014 204 $3,712,093,000 +$407,221,116 -$552,730,746 -$145,509,630 WST, CROX, BRKR, P, AMG 13F-HR 15 Apr 2014, 15:34
Q4 2013 209 $3,889,262,000 $0 $0 $0 ALKS, WST, CROX, KMT, ATMI 13F-HR 30 Jan 2014, 11:46