PDF Solutions, Inc.· PDFS

🇺🇸 US · MidSP600NASDAQ

Technology Software - Application Website

Price: $48.44
Day: +3.70%
Mkt Cap: $2.03B
52W Range: $23.55 – $71.69
Volume: 529.5K
Beta: 1.63

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

Smart Money: 4.1 / 5 (Bullish), from 3 of 3 components
Institutions Q2 2026: 292 institutions hold; 192 added, 65 reduced
Insiders Q3 2026: no purchases, 2 sales ($228.0K)

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PDF Solutions, Inc.

PDFS|Technology|Software - Application

Current price: $48

Smart Money

Dimension 5 of 5

Insider selling pace · Q3 2026

N/A

insufficient history to compare

Seller breadth · Q3 2026

2 sellers

vs 0.0 avg per quarter

Institutional net breadth · Q2 2026

+205

293 adding vs 88 reducing

Institutional ownership · Q2 2026

96.0%

292 institutions

Insider Selling Pace

Each quarter's selling vs this stock's own trailing 6-quarter average

Light <0.5xRoutineElevated >1.5xHeavy >3xBuying

Institutional Positions

Institutions adding above the line, reducing below, net as a line

NewIncreasedReducedClosedNet

Largest Institutional Holders, Q2 2026

By reported market value, and how each moved in the quarter

Holder

Change

BLACKROCK, INC.

5.6M

+11.1%

NEEDHAM INVESTMENT MANAGEMENT LLC

2.1M

-0.6%

VANGUARD CAPITAL MANAGEMENT LLC

1.7M

+16.7%

VANGUARD PORTFOLIO MANAGEMENT LLC

1.5M

+1.3%

STATE STREET CORP

1.4M

+16.3%

STATE STREET CORP

1.4M

+13.2%

ETF & Fund Activity, Q2 2026

How the covering funds split between buying, holding and selling

78 buying80 unchanged35 selling

193 funds held PDFS in Q2 2026, holding 19.3M shares between them, up 8.1% on the quarter.

Largest fund holders

SPDR SERIES TRUST567.9K sh

FORUM FUNDS55.7K sh

Series Portfolios Trust29.9K sh

Notable Insider Transactions, Q3 2026

Largest open-market purchases and sales by value in the last eight quarters

Purchase · Feb 24

KIBARIAN JOHN KACHIG

$783.3K

Purchase · Feb 25

KIBARIAN JOHN KACHIG

$345.9K

Sale · Dec 17

Strojwas Andrzej

$182.4K

Insider transactions from SEC Form 4 filings; institutional holdings from quarterly 13F filings, which are reported with a lag and can overlap between filers. 13F: quarterly institutional holdings report · ETF: Exchange-Traded Fund

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

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Generated September 23, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

PDFS Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

4.1/5

Bullish

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

-6

Institutional Flow

50% weight

+100

Fund Flow

10% weight

+60

Overall Smart Money sentiment of 4.1/5 (Bullish) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated September 22, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Selling Pace for PDFS

Each quarter's selling vs the stock's own trailing 6-quarter average; 1.0x is typical for this stock. Green triangles mark quarters with insider buying.

Neutral

Routine insider selling in Q3 2026

2 sales totaling $228.0K (4.9K shares)

Limited history to compare against

Buying seen in 2 of 15 quarters

Net insider flow has improved over recent quarters

N/A

Selling pace

insufficient history to compare

0.14%

Stake sold

of active insiders' holdings

2 sellers

Seller breadth

in Q3 2026

Q2 2025

Last insider purchase

buying in 2 of 16 quarters

Notable Recent Transactions, PDFS

Top 8 highest-value insider trades from the last 8 quarters

KIBARIAN JOHN KACHIG

CEO

Buy

34,356 shares at $22.80

≈1.4% of their stake after buying

Feb 24, 2025$783.32K

KIBARIAN JOHN KACHIG

CEO

Buy

15,644 shares at $22.11

≈0.6% of their stake after buying

Feb 25, 2025$345.89K

Strojwas Andrzej

CTO

Sell

6,008 shares at $30.36

≈6.4% of their stake at the time

Dec 17, 2024$182.40K

Strojwas Andrzej

CTO

Sell

5,030 shares at $30.85

≈5.0% of their stake at the time

Dec 16, 2024$155.19K

Strojwas Andrzej

CTO

Sell

3,394 shares at $44.41

≈3.6% of their stake at the time

Aug 31, 2026$150.73K

GUSTAFSON MICHAEL B

Director

Buy

7,500 shares at $19.45

≈24.9% of their stake after buying

May 13, 2025$145.88K

GUSTAFSON MICHAEL B

Director

Buy

4,000 shares at $23.06

≈17.7% of their stake after buying

Feb 24, 2025$92.24K

Zhang Shuo

Director

Sell

1,501 shares at $51.47

≈6.0% of their stake at the time

Aug 12, 2026$77.26K

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Positions for PDFS

Institutions adding (new + increased) above zero, reducing (reduced + closed) below, net as a line

New Increased Reduced Closed Net (adding − reducing)

Very Bullish

Institutions accumulating in Q2 2026

96.0% institutional ownership

Strong accumulation: 293 institutions adding vs 88 reducing positions

13F shares increased by 18.0%, a significant shift

Momentum improving from prior quarter

+205

Net breadth

293 adding vs 88 reducing

Strong accumulation

3.33

Add / reduce ratio

in Q2 2026

+78

New − closed

101 initiated, 23 exited

7 of 10

Top holders adding

largest holders with a known change

Position Changes

Q2 2026: how are institutions adjusting their positions?

+293 growing-88 shrinkingNet: +205

101

192

New (101)

Increased (192)

Reduced (65)

Closed (23)

Top Institutional Holders, PDFS

Largest 8 institutional positions by ownership percentage as of Q2 2026

BLACKROCK, INC.

5.6M

$392.9M

Ownership

13.56%

+11.1%

NEEDHAM INVESTMENT MANAGEMENT LLC

2.1M

$146.2M

Ownership

5.04%

-0.6%

VANGUARD CAPITAL MANAGEMENT LLC

1.7M

$117.8M

Ownership

4.07%

+16.7%

VANGUARD PORTFOLIO MANAGEMENT LLC

1.5M

$103.2M

Ownership

3.56%

+1.3%

STATE STREET CORP

1.4M

$98.2M

Ownership

3.48%

+16.3%

STATE STREET CORP

1.4M

$98.2M

Ownership

3.39%

+13.2%

WASATCH ADVISORS LP

1.4M

$97.7M

Ownership

3.37%

+164.8%

BARROW HANLEY MEWHINNEY & STRAUSS LLC

1.3M

$93.4M

Ownership

3.22%

+12.7%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 193 ETFs and mutual funds reporting

78 buying35 sellingNet: +43

Buying (78)

Unchanged (80)

Selling (35)

In total, funds bought 3.5M shares and sold 2.0M this quarter. Each fund counts once in the bar above, whatever the size of its move.

Very Bullish

Funds accumulating in Q2 2026

193 ETFs and mutual funds reporting

78 funds buying vs 35 selling

Top Fund Holders, PDFS

Largest 8 ETF and mutual fund positions by shares held, each fund's latest filing

SPDR SERIES TRUST

567.9K

Weight

2.81%

Jul 31, 2026No change

FORUM FUNDS

55.7K

Weight

—

Jul 31, 2026No change

Series Portfolios Trust

29.9K

Weight

19.00%

Jul 31, 2026No change

ALLSPRING VARIABLE TRUST

21.1K

Weight

4.17%

Jun 30, 2026No change

BUFFALO FUNDS

20.0K

Weight

0.27%

Jun 30, 2026Increased

Segall Bryant & Hamill Trust

19.7K

Weight

0.13%

Jun 30, 2026Decreased

VANGUARD INSTITUTIONAL INDEX FUNDS

18.0K

Weight

0.01%

Jun 30, 2026Increased

Amplify ETF Trust

16.7K

Weight

0.06%

Jun 30, 2026Increased

PDF Solutions, Inc.· PDFS

Holdings Analysis

Insider Trading Activity

1.3Transaction History109Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings125Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History109Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings125Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights