Security key
693282105
PDF SOLUTIONS INC - Common Stock, par value $0.00015 per share (PDFS)
CUSIP: 693282105
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common Stock, par value $0.00015 per share
- Total 13F shares
- 29,687,544
- Total 13F value
- $766,532,547
- Share change
- +538,793
- SEC-reported price per share
- $25.82
- Number of holders
- 179
- Value change
- +$17,247,842
- Number of buys
- 101
- Number of sells
- 82
- Shares outstanding
- 39,660,784
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
179
Top holders
10
PDFS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
PDF SOLUTIONS INC SEC filings
PDF SOLUTIONS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 693282105
Recent filing periods:
Ownership snapshot
Top reported holders of PDFS - PDF SOLUTIONS INC - Common Stock, par value $0.00015 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Nancy Erba
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
01 Jul 2025
3/4/5
13F
Lead comparable stake: 0.1%
Showing 1-6 of 15 holder rows.
Quick read
Nancy Erba leads the comparable SEC ownership view at 0.1%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Nancy Erba's linked filing trail.
Comparable ownership
Top 5
Nancy Erba
0.1%
Joseph R. Bronson
0.1%
Michael B. Gustafson
0.09%
Ye Jane Li
0.06%
Shuo Zhang
0.06%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Nancy Erba |
3/4/5
Director
|
0.1%
|
$791,597
41,122 shares
|
— | 01 Jul 2025 |
| Joseph R. Bronson |
3/4/5
Director
|
0.1%
|
$736,639
38,267 shares
|
— | 01 Jul 2025 |
| Michael B. Gustafson |
3/4/5
Director
|
0.09%
|
$721,932
37,503 shares
|
— | 01 Jul 2025 |
| Ye Jane Li |
3/4/5
Director
|
0.06%
|
$460,902
23,943 shares
|
— | 01 Jul 2025 |
| Shuo Zhang |
3/4/5
Director
|
0.06%
|
$427,196
22,192 shares
|
— | 01 Jul 2025 |
| Chi-Foon Chan |
3/4/5
Director
|
0.05%
|
$413,470
21,479 shares
|
— | 01 Jul 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
179
Shares
29,687,544
Rows available
179
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
170
Q3 2025 holders
179
Holder diff
9
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend