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.

• GuidewireGWRE−$57.5M$252M
• MicrosoftMSFT+$43.2M$269M
• AkamaiAKAM+$38.0M$271M
• CadenceCDNS−$16.3M$1.2M
• VeriskVRSK+$12.1M$200M

Software held

• CoStarCSGP1,516,128 shares · 18.8% of their software · price −$3.2M$328M−$8.4M
• AkamaiAKAM5,107,868 shares · 15.5% of their software · price −$15.0M$271M+$38.0M
• MicrosoftMSFT4,669,109 shares · 15.4% of their software · price +$30.0M$269M+$43.2M
• GuidewireGWRE4,206,691 shares · 14.4% of their software · price −$7.5M$252M−$57.5M
• VeriskVRSK2,466,335 shares · 11.5% of their software$200M+$12.1M
• Check PointCHKP1,768,470 shares · 7.8% of their software · price −$3.7M$137M+$7.5M
• AdobeADBE1,016,742 shares · 6.3% of their software · price +$13.0M$110M+$8.6M
• VeevaVEEV2,231,172 shares · 5.3% of their software · price +$16.0M$92.1M+$1.0M
• FactSetFDS427,990 shares · 4.0% of their software$69.4MFlat
• SalesforceCRM163,336 shares · 0.7% of their software · price −$1.3M$11.7MFlat
• SAPSAP24,645 shares · 0.1% of their software$2.3M−$2.4M
• Roper Technologies, Inc.ROP9,866 shares · 0.1% of their software$1.8MFlat
• ServiceNowNOW17,110 shares · 0.1% of their software$1.4MFlat
• CadenceCDNS46,809 shares · 0.1% of their software$1.2M−$16.3M
• VaronisVRNS21,697 shares · 0.0% of their software$653KFlat
• OpenTextOTEX4,140 shares · 0.0% of their software$268KNew · Flat