William Blair Investment Management

Quarters on file

Each quarter on file, back to June 2016 when the filing exists. Net bought is the share change from the previous quarter at that quarter’s close. A split that leaves the dollar value in place counts as flat.

• Q2 202629 names$3.0B−$683M
• Q1 202632 names$3.3B−$948M
• Q4 202537 names$5.4B+$1.6B
• Q3 202538 names$6.1B−$319M
• Q2 202540 names$6.4B−$442M
• Q1 202543 names$5.8B+$85.3M
• Q4 202438 names$6.4B−$220M
• Q3 202439 names$6.6B−$119M
• Q2 202442 names$6.3B+$145M
• Q1 202439 names$6.3B+$528M
• Q4 202338 names$5.3B+$150M
• Q3 202335 names$4.3B+$102M
• Q2 202333 names$4.4B−$38.9M
• Q1 202333 names$4.0B+$155M
• Q4 202231 names$3.2B+$123M
• Q3 202231 names$3.0B−$65.7M
• Q2 202231 names$3.4B+$240M
• Q1 202242 names$4.0B+$66.5M
• Q4 202135 names$4.6B+$460M
• Q3 202135 names$4.2B+$87.7M
• Q2 202135 names$4.0B+$826M
• Q1 202131 names$3.4B+$553M
• Q4 202029 names$3.2B−$76.8M
• Q3 202028 names$2.6B+$57.6M
• Q2 202028 names$2.4B+$194M
• Q1 202028 names$1.6B−$505M
• Q4 201927 names$2.4B+$30.5M
• Q3 201927 names$2.2B−$107M
• Q2 201924 names$2.4B−$335M
• Q1 201925 names$2.6B+$105M
• Q4 201823 names$1.9B−$733M
• Q3 201824 names$3.1B−$44.1M
• Q2 201826 names$2.7B+$93.1M
• Q1 201823 names$2.3B+$53.8M
• Q4 201721 names$2.0B−$298M
• Q3 201720 names$2.2B−$12.6M
• Q2 201718 names$2.1B−$177M
• Q1 201717 names$2.0B−$91.5M
• Q4 201616 names$1.9B+$159M
• Q3 201616 names$1.7B+$16.2M
• Q2 201617 names$1.7B—

What moved the book

The five software lines with the largest share change this quarter.

• PagerDutyPD+$146M$143M
• DynatraceDT+$99.8M$329M
• NICENICE−$87.7M$221M
• WorkivaWK−$63.9M$115M
• MicrosoftMSFT+$55.7M$828M

Software held

• MicrosoftMSFT2,684,183 shares · 20.7% of their software · price −$75.2M$828M+$55.7M
• Euronet Worldwide, Inc.EEFT2,674,670 shares · 8.7% of their software · price +$29.4M$348M−$3.3M
• DynatraceDT6,989,994 shares · 8.2% of their software · price −$92.6M$329M+$99.8M
• SalesforceCRM1,104,541 shares · 5.9% of their software · price −$46.2M$235M+$40.4M
• NICENICE1,006,949 shares · 5.5% of their software · price −$85.2M$221M−$87.7M
• VaronisVRNS4,523,947 shares · 5.4% of their software · price −$5.6M$215M+$48.2M
• GuidewireGWRE2,175,383 shares · 5.1% of their software · price −$41.1M$206M−$4.7M
• Alarm.com Holdings, Inc.ALRM2,618,014 shares · 4.3% of their software · price −$48.0M$174M−$21.9M
• AdobeADBE363,241 shares · 4.1% of their software · price −$40.5M$166M+$11.7M
• PagerDutyPD4,187,609 shares · 3.6% of their software · price −$2.3M$143MNew · +$146M
• IntuitINTU256,743 shares · 3.1% of their software · price −$41.7M$123M+$28.4M
• CertaraCERT5,537,008 shares · 3.0% of their software · price −$38.4M$119MFlat
• WorkivaWK977,078 shares · 2.9% of their software · price −$12.2M$115M−$63.9M
• CoStarCSGP1,612,729 shares · 2.7% of their software · price −$20.0M$107M+$29.2M
• DLocal LimitedDLO2,630,173 shares · 2.1% of their software · price −$11.7M$82.2M−$2.3M
• WorkdayWDAY334,965 shares · 2.0% of their software · price −$11.3M$80.2M+$10.6M
• UnityU769,862 shares · 1.9% of their software · price −$33.7M$76.4M+$45.4M
• SynopsysSNPS203,127 shares · 1.7% of their software · price −$7.2M$67.7M+$2.1M
• AutodeskADSK238,109 shares · 1.3% of their software · price −$15.9M$51.0M+$1.9M
• Roper Technologies, Inc.ROP108,045 shares · 1.3% of their software · price −$2.1M$51.0M+$1.7M
• ProgressPRGS954,531 shares · 1.1% of their software · price −$1.1M$44.9M−$659K
• NetScout Systems, Inc.NTCT1,332,825 shares · 1.1% of their software · price −$1.3M$42.8M−$608K
• Cognyte Software Ltd.CGNT3,220,053 shares · 0.9% of their software · price −$14.0M$36.4M+$20.0M
• VeevaVEEV120,704 shares · 0.6% of their software · price −$5.2M$25.6M−$3.6M
• PDF Solutions, Inc.PDFS785,302 shares · 0.5% of their software · price −$3.1M$21.9M−$10.0M
• Health CatalystHCAT819,996 shares · 0.5% of their software · price −$11.1M$21.4M+$702K
• LiveRamp Holdings, Inc.RAMP545,485 shares · 0.5% of their software · price −$5.8M$20.4M+$565K
• VertexVERX875,051 shares · 0.3% of their software$13.4MFlat
• Palo Alto NetworksPANW14,291 shares · 0.2% of their software · price +$940K$8.9M−$8.2M
• MongoDBMDB19,316 shares · 0.2% of their software · price −$1.7M$8.6M−$9.9M
• CadenceCDNS41,800 shares · 0.2% of their software · price −$915K$6.9M−$20.0M
• Check PointCHKP15,116 shares · 0.1% of their software$2.1M+$1.3M
• CrowdStrikeCRWD9,085 shares · 0.1% of their software$2.1MNew · +$1.9M
• ZscalerZS7,442 shares · 0.0% of their software · price −$596K$1.8MNew · +$2.4M
• FortinetFTNT5,219 shares · 0.0% of their software$1.8MNew · +$1.9M
• SentinelOneS44,835 shares · 0.0% of their software · price −$527K$1.7MNew · +$2.3M
• QualysQLYS12,180 shares · 0.0% of their software$1.7MNew · +$1.7M
• OneSpan Inc.OSPN117,438 shares · 0.0% of their software$1.7MNew · +$2.0M
• Rapid7RPD14,997 shares · 0.0% of their software$1.7MNew · +$1.8M
• TenableTENB27,987 shares · 0.0% of their software$1.6MNew · +$1.5M
• OktaOKTA9,851 shares · 0.0% of their software · price −$721K$1.5MNew · +$2.2M
• F5, Inc.FFIV2,449 shares · 0.0% of their software$512KFlat