Cross-institution positioning
Mar 27, 2026Reduction leaning. 1 accumulating, 2 exited across 3 comparable institutions.
Source: Schedule 13 researchPDFS Institutional Ownership
PDF SOLUTIONS INC
Latest stored close $54.40 as of Oct 9, 2026 View live quote ↗
STOCKNODE Outlook
Neutral
46/100
4 tracked · 3 comparable
Latest filing
Mar 27, 2026
Positive breadth
2 positive · 2 negative
Recent close
$54.40
Research confidence
Limited
Institutional Research 27/100 · 1 accumulating · 2 reducing / exited
Ownership history
Reported ownership % history
Latest filing Mar 27, 2026
See how each tracked institution's reported ownership changed across SEC position dates. Full history is available with Investor or Pro access.
Locked preview
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Accumulating1
Newly reported1
Reducing / exited
2
52-week position
—
Institutional Intelligence
Why STOCKNODE says Neutral
What the evidence shows across the newest institutional, insider, company-event, 13F, fundamental, and price data; STOCKNODE combines these layers into a quantitative research signal while preserving each source and reporting window.
STOCKNODE Outlook
Neutral 46/100
Confidence:Limited
Why this signal
- 1 tracked institution accumulating versus 2 reducing/exited.
- 1 tracked institution recently reversed from reducing to accumulating.
- Latest comparable Form 13F activity is net positive across tracked managers.
- Comparable SEC fundamentals are improving.
Conflicting evidence
- Institutions are reducing while comparable SEC fundamentals are improving.
Institutional
40/100
Insiders
40/100
Fundamentals
70/100
Events
50/100
Quarterly 13F activity
Jun 30, 20262 increased/new, 0 reduced/exited across 2 managers in the latest comparable Form 13F quarter.
Source: Form 13F quarter-end holdingsInsider filing activity
Aug 31, 2026Over the last 90 days, SEC-coded non-derivative P/S activity includes 0 purchases by 0 reporting owners and 2 sales by 2 reporting owners. Amendments are shown in the filing evidence but excluded from rolling activity totals.
Source: SEC Forms 3/4/5Material company events
Aug 6, 20262 non-amendment material events in the last 90 days; 1 capital-related filing/event (1 equity-related, 0 debt-related); Latest classified evidence: Employee-plan securities registration. Registration and prospectus filings are treated as financing capacity/disclosure evidence, not proof that securities were sold.
Source: SEC 8-K / securities filing metadataSEC fundamentals
Aug 6, 2026Net income +272.7% YoY; Free cash flow +51.2% YoY. Periods are compared only when the SEC facts are aligned and comparable.
Source: SEC Company FactsPrice context
Sep 15, 2026Recent close is 42% through its reported 52-week range; +110.8% over one year.
Source: Stored historical price series
Latest filing decision brief
Investor / Pro
Research the latest Schedule 13G amendment from Vanguard Group.
Filed Mar 27, 2026. Unlock the dated position comparison, disclosure classification, confidence, price context, and filing-specific significance analysis.
Premium research values are withheld until unlocked.
Supporting institutional evidence
Institutional Evidence
The research summary above gives the current read. This section shows the dated holder-level evidence behind it.
Latest filing
Mar 27, 2026
Latest reported position changes
Investor / Pro detailSee each institution's newest reported position against its own prior report, with position as-of date separated from SEC filed date. Institution names and filing freshness remain public below.
BlackRock
Filed Jan 23, 2024
Direction locked
T. Rowe Price Associates
Filed Feb 14, 2022
Direction locked
Vanguard Group
Filed Mar 27, 2026
Direction locked
Invesco
Filed Dec 11, 2023
Direction locked
Unlock the actual direction, share change, ownership change, and classification basis.
No premium position values are sent in this locked preview.
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Reported direction breadth by as-of date
Locked previewComparable holder direction grouped by SEC position as-of date — never presented as trade dates.
Unlock actual accumulation vs. reduction breadth across reported position dates.
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Institution comparison
Investor / Pro detailCompare each institution only with its own prior reported position. Public visitors can see who is tracked and how fresh the filing is; paid research reveals the actual comparison.
BlackRock
Filed Jan 23, 2024
T. Rowe Price Associates
Filed Feb 14, 2022
Vanguard Group
Filed Mar 27, 2026
Invesco
Filed Dec 11, 2023
Unlock the evidence behind the score
Know who changed position, by how much, and when the SEC learned about it.
Investor and Pro reveal holder-by-holder changes, reported ownership history, dated breadth, disclosure timing, institution comparison, and filing-specific analysis without treating Schedule 13 reports as trade dates.
✓ Actual share and ownership changes
✓ Position as-of date vs. SEC filed date
✓ Deterministic direction basis
✓ Full evidence on every eligible stock
SEC Forms 3, 4 & 5
Insider activity
Reported Section 16 ownership activity. Rolling purchase/sale totals use non-derivative SEC transaction codes P and S only; amendments remain visible but are excluded from those totals.
30-day purchases00 reporting owner(s)
30-day sales22 reporting owner(s)
90-day purchase breadth0
90-day sale breadth2Multi-insider
View recent insider filing evidence
| Date | Reporting owner | Code | Security | Shares | Price | Ownership | Filed |
|---|---|---|---|---|---|---|---|
| Aug 31, 2026 | Strojwas Andrzej | SOpen-market or private sale | Common Stock | 3.4K | $44.41 | Direct | Sep 1, 2026 |
| Aug 12, 2026 | Zhang Shuo | SOpen-market or private sale | Common Stock | 1.5K | $51.47 | Direct | Aug 12, 2026 |
| Jul 1, 2026 | Raza Adnan | AGrant, award, or other acquisition | Common Stock | 23.5K | — | Direct | Jul 2, 2026 |
| Jul 1, 2026 | Raza Adnan | FTax/price withholding or payment | Common Stock | 6.0K | $66.88 | Direct | Jul 2, 2026 |
| Jul 1, 2026 | Erba Nancy | AGrant, award, or other acquisition | Common Stock | 2.7K | — | Direct | Jul 2, 2026 |
| Jul 1, 2026 | Li Ye Jane | AGrant, award, or other acquisition | Common Stock | 2.7K | — | Direct | Jul 2, 2026 |
| Jul 1, 2026 | BRONSON JOSEPH R | AGrant, award, or other acquisition | Common Stock | 2.7K | — | Direct | Jul 2, 2026 |
| Jul 1, 2026 | CHAN CHI-FOON | AGrant, award, or other acquisition | Common Stock | 2.7K | — | Direct | Jul 2, 2026 |
| Jul 1, 2026 | GUSTAFSON MICHAEL B | AGrant, award, or other acquisition | Common Stock | 2.7K | — | Direct | Jul 2, 2026 |
| Jul 1, 2026 | Zhang Shuo | AGrant, award, or other acquisition | Common Stock | 2.7K | — | Direct | Jul 2, 2026 |
| Jul 1, 2026 | Strojwas Andrzej | AGrant, award, or other acquisition | Common Stock | 5.4K | — | Direct | Jul 2, 2026 |
| Jul 1, 2026 | Strojwas Andrzej | FTax/price withholding or payment | Common Stock | 1.4K | $66.88 | Direct | Jul 2, 2026 |
SEC company-event context
Material company events
Recent 8-K item classifications plus securities registration and prospectus filings. Registration or prospectus filings show financing capacity/disclosure activity; they do not by themselves prove that securities were sold.
30-day material events0
90-day capital-related1
90-day equity-related1
90-day debt-related0
View recent company-event filing evidence
| Filed | Form | 8-K item(s) | Classification | Capital context | SEC |
|---|---|---|---|---|---|
| Aug 6, 2026 | S-8 | — | Employee-plan securities registration | Equity | Filing |
| Aug 6, 2026 | 8-K | 2.02, 9.01 | Results of operations / financial condition; Financial statements / exhibits | — | Filing |
| Jun 18, 2026 | 8-K | 5.07, 9.01 | Shareholder vote results; Financial statements / exhibits | — | Filing |
| May 15, 2026 | 8-K | 8.01, 9.01 | Other event; Financial statements / exhibits | — | Filing |
| May 14, 2026 | 424B5 | — | Prospectus filing | Capital-related | Filing |
| May 13, 2026 | 424B5 | — | Prospectus filing | Capital-related | Filing |
| May 13, 2026 | S-3ASR | — | Shelf securities registration | Capital-related | Filing |
| May 7, 2026 | 8-K | 2.02, 9.01 | Results of operations / financial condition; Financial statements / exhibits | — | Filing |
| Apr 24, 2026 | 8-K | 1.01, 2.03, 9.01 | Material definitive agreement; New direct financial obligation; Financial statements / exhibits | Debt | Filing |
| Feb 12, 2026 | 8-K | 2.02, 9.01 | Results of operations / financial condition; Financial statements / exhibits | — | Filing |
| Nov 13, 2025 | 8-K | 7.01 | Regulation FD disclosure | — | Filing |
| Nov 6, 2025 | 8-K | 2.02, 9.01 | Results of operations / financial condition; Financial statements / exhibits | — | Filing |
SEC-reported company fundamentals
Fundamentals
Period-aligned SEC facts. Comparisons appear only when periods and units are comparable.
Operating income
$5.1M
Q2 2026
+353.4% YoY 10-Q filed Aug 6, 2026
Net income
$4.3M
Q2 2026
+272.7% YoY 10-Q filed Aug 6, 2026
Diluted EPS
$0.10
Q2 2026
+233.3% YoY 10-Q filed Aug 6, 2026
Operating cash flow
$18.1M
YTD through Jun 30, 2026
+427.7% YoY 10-Q filed Aug 6, 2026
Free cash flow
$-6.5M
YTD through Jun 30, 2026
+51.2% YoY 10-Q filed Aug 6, 2026
Cash & equivalents
$114.9M
As of Jun 30, 2026
+207.1% YoY 10-Q filed Aug 6, 2026
Long-term debt
$66.5M
As of Jun 30, 2026
-2.3% YoY 10-Q filed Aug 6, 2026
Assets
$519.2M
As of Jun 30, 2026
+32.7% YoY 10-Q filed Aug 6, 2026
Liabilities
$146.7M
As of Jun 30, 2026
+9.8% YoY 10-Q filed Aug 6, 2026
Stockholders’ equity
$372.5M
As of Jun 30, 2026
+44.6% YoY 10-Q filed Aug 6, 2026
Shares outstanding
42.2M
As of Aug 3, 2026
+6.9% YoY 10-Q filed Aug 6, 2026
Current market context
Price performance
Dated price context from the historical market series already collected for this security.
Recent stored close
$41.42
View live quote ↗
52-week low
$19.57
Sep 16, 2025
52-week high
$71.69
Jun 30, 2026
Below 52-week high
42.2%
1W return
-13.4%
1M return
-18.6%
3M return
-36.4%
6M return
+30.4%
YTD return
+45.2%
1Y return
+110.8%
30-day volatility
73.6%
90-day volatility
86.0%
1Y max drawdown
-41.8%
Returns are close-to-close price changes. Volatility and drawdown are factual historical context, not recommendations.
How to read Schedule 13 ownership changes
Schedule 13G/13D reports beneficial ownership at an observation date. “Accumulation” or “reduction” is inferred from changes in reported shares when available; it is not a list of individual trades or exact execution prices.
Form 13F rows are quarter-end holding context only and do not establish an exact entry date.
For more context, see how to read a Schedule 13G, filing date vs event date, or Schedule 13G vs Schedule 13D.
Current ownership filings and reported ownership changes are available on free access. Investor and Pro add filing-specific significance scoring, disclosure-speed analysis, confirmation/divergence signals, and alerts. The overall institutional consensus preview remains public. Compare plans.
Beneficial ownership filing history
Showing 3 of 16 filing(s) · 13 older require more history accessView beneficial ownership filing evidence
| Holder | Observed / filed | Reported change | Shares | Ownership | Observation | Filing | Latest |
|---|---|---|---|---|---|---|---|
| Vanguard Group CIK0000102909 | Mar 13, 2026 observed Mar 27, 2026 filed · 14d Schedule 13G amendment | Exit below reporting threshold | 0 -3.1M | 0.00% -8.08 pts | $31.77 | $33.46 | $54.40 |
| BlackRock CIK0001364742 | Dec 31, 2023 observed Jan 23, 2024 filed · 23d Schedule 13G amendment | Reported accumulation | 4.8M +207.1K | 12.70% +0.30 pts | $32.14 | $33.23 | $54.40 |
| Vanguard Group CIK0000102909 | Dec 29, 2023 observed Feb 13, 2024 filed · 46d Schedule 13G amendment | Reported accumulation | 3.1M +836.4K | 8.08% +2.05 pts | $32.14 | $32.50 | $54.40 |
Explore more institutional activity
Related research
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