SANTA CLARA, CA
PDF SOLUTIONS INCPDFS— Latest position per institution from SEC 13F filings
15
Institutional holders
31.97M
Total shares held
1.06B
Estimated value
1.60M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
4.87M
Value
159.17M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
4.81M
Value
174.87M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
3.09M
Value
88.14M
Filed
Dec 31, 2025
NEEDHAM INVESTMENT MANAGEMENT LLC
CIK 1167212
Shares
2.02M
Value
66.16M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.40M
Value
45.82M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.39M
Value
45.41M
Filed
Mar 31, 2026
RANGER INVESTMENT MANAGEMENT, L.P.
CIK 1319691
Shares
1.28M
Value
41.86M
Filed
Mar 31, 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
CIK 1644956
Shares
1.26M
Value
41.07M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
1.19M
Value
39M
Filed
Mar 31, 2026
BARROW HANLEY MEWHINNEY & STRAUSS LLC
CIK 313028
Shares
1.14M
Value
37.31M
Filed
Mar 31, 2026
OPHIR ASSET MANAGEMENT PTY LTD
CIK 1844640
Shares
1.14M
Value
37.20M
Filed
Mar 31, 2026
SAMJO CAPITAL LLC
CIK 1509943
Shares
1.10M
Value
35.68M
Filed
Sep 30, 2023
SNYDER CAPITAL MANAGEMENT L P
CIK 1050477
Shares
1.06M
Value
34.69M
Filed
Mar 31, 2026
JANUS HENDERSON GROUP PLC
CIK 1274173
Shares
1.04M
Value
33.88M
Filed
Mar 31, 2026
COWEN PRIME ADVISORS LLC
CIK 1875920
Shares
940.17K
Value
42.40M
Filed
Jun 30, 2023
SAMJO MANAGEMENT, LLC
CIK 1986590
Shares
919.96K
Value
30.09M
Filed
Mar 31, 2026
EMERALD ADVISERS, LLC
CIK 1015083
Shares
860.82K
Value
28.16M
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
845.69K
Value
27.66M
Filed
Mar 31, 2026
LOOMIS SAYLES & CO L P
CIK 312348
Shares
827.11K
Value
27.05M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
802.22K
Value
26.25M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 4.87M | 159.17M | Mar 31, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 4.81M | 174.87M | Jun 30, 2024 |
| 3 | VANGUARD GROUP INC | 102909 | 3.09M | 88.14M | Dec 31, 2025 |
| 4 | NEEDHAM INVESTMENT MANAGEMENT LLC | 1167212 | 2.02M | 66.16M | Mar 31, 2026 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.40M | 45.82M | Mar 31, 2026 |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.39M | 45.41M | Mar 31, 2026 |
| 7 | RANGER INVESTMENT MANAGEMENT, L.P. | 1319691 | 1.28M | 41.86M | Mar 31, 2026 |
| 8 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1644956 | 1.26M | 41.07M | Mar 31, 2026 |
| 9 | STATE STREET CORP | 93751 | 1.19M | 39M | Mar 31, 2026 |
| 10 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | 313028 | 1.14M | 37.31M | Mar 31, 2026 |
| 11 | OPHIR ASSET MANAGEMENT PTY LTD | 1844640 | 1.14M | 37.20M | Mar 31, 2026 |
| 12 | SAMJO CAPITAL LLC | 1509943 | 1.10M | 35.68M | Sep 30, 2023 |
| 13 | SNYDER CAPITAL MANAGEMENT L P | 1050477 | 1.06M | 34.69M | Mar 31, 2026 |
| 14 | JANUS HENDERSON GROUP PLC | 1274173 | 1.04M | 33.88M | Mar 31, 2026 |
| 15 | COWEN PRIME ADVISORS LLC | 1875920 | 940.17K | 42.40M | Jun 30, 2023 |
| 16 | SAMJO MANAGEMENT, LLC | 1986590 | 919.96K | 30.09M | Mar 31, 2026 |
| 17 | EMERALD ADVISERS, LLC | 1015083 | 860.82K | 28.16M | Mar 31, 2026 |
| 18 | DIMENSIONAL FUND ADVISORS LP | 354204 | 845.69K | 27.66M | Mar 31, 2026 |
| 19 | LOOMIS SAYLES & CO L P | 312348 | 827.11K | 27.05M | Mar 31, 2026 |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 802.22K | 26.25M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.