WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in PDFS — Pdf Solutions Inc
CIK 1644956
CHICAGO, IL
Position in PDFS
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$39,233,658
-$1,835,676 QoQ
Shares Held
554,226
-55.9% QoQ
Ownership
1.31%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
#21
of 283 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority
Sole 79%
Shared 0%
None 21%
Common Shares in PDFS Over Time
Shares Held
Position Value (USD)
Position in Software - Application
Technology · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $1,377,918,327 across 18 Software - Application names. PDFS ranks #11 (2.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNOW |
Snowflake Inc.
|
901,087 | $229,326,641 | |
| 2 | BSY |
Bentley Systems Inc
|
5,942,507 | $177,621,534 | |
| 3 | DT |
Dynatrace, Inc.
|
3,857,741 | $169,393,407 | |
| 4 | NOW |
ServiceNow, Inc.
|
1,551,192 | $154,002,341 | |
| 5 | DBD |
DIEBOLD NIXDORF, Inc
|
1,379,553 | $117,289,596 | |
| 6 | APPF |
Appfolio Inc
|
721,826 | $115,744,799 | |
| 7 | MANH |
Manhattan Associates Inc
|
675,396 | $94,048,893 | |
| 8 | GWRE |
Guidewire Software, Inc.
|
609,420 | $74,989,131 |
All Filings in PDFS
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $39,233,658 | 554,226 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $41,069,334 | 1,255,559 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $38,757,462 | 1,358,481 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $34,842,566 | 1,349,441 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $25,379,834 | 1,187,083 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $21,517,076 | 1,125,959 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $28,801,827 | 1,063,583 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $28,584,135 | 902,277 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $27,053,441 | 743,635 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $21,981,324 | 652,846 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $20,824,695 | 647,937 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $18,011,289 | 555,904 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $31,444,847 | 697,225 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $33,280,480 | 784,917 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $23,952,236 | 839,840 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $20,488,952 | 835,261 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $17,065,238 | 793,363 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $21,886,366 | 785,302 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $34,923,031 | 1,098,554 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $26,255,001 | 1,139,540 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $14,299,206 | 786,535 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $14,299,529 | 804,248 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $16,084,936 | 744,673 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $11,849,772 | 633,339 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $9,371,430 | 479,112 | Shares | Sole | 2020-08-12 | |
| No filing history on record for this holder in this stock. | ||||||