PDFS

PDF SOLUTIONS INC
USCUSIP 693282105
Institutional Owners
62
+11 QoQ
13F Value Held
$340.2M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)38 adding · 17 trimming
Insider net (180d)+$0
Price history not yet available for PDFS.

Top institutional holders

62 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD PORTFOLIO MANAGEMENT LLC
$45.8M
1.40MNewQ1 2026
2VANGUARD CAPITAL MANAGEMENT LLC
$45.4M
1.39MNewQ1 2026
3WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
$41.1M
1.26MReducedQ1 2026
4STATE STREET CORP
$39.0M
1.19MAddedQ1 2026
5SNYDER CAPITAL MANAGEMENT L P
$34.7M
1.06MAddedQ1 2026
6EMERALD ADVISERS, LLC
$28.2M
860.8KReducedQ1 2026
7EMERALD MUTUAL FUND ADVISERS TRUST
$19.4M
594.6KHeldQ1 2026
8WASATCH ADVISORS LP
$16.6M
507.7KReducedQ1 2026
9ArrowMark Colorado Holdings LLC
$11.7M
356.6KReducedQ1 2026
10DF DENT & CO INC
$11.5M
353.0KNewQ1 2026
11Connor, Clark & Lunn Investment Management Ltd.
$10.8M
328.9KReducedQ1 2026
12NEEDHAM INVESTMENT MANAGEMENT LLC
$7.7M
236.8KAddedQ1 2026
13VANGUARD FIDUCIARY TRUST CO
$7.2M
221.1KNewQ1 2026
14RICE HALL JAMES & ASSOCIATES, LLC
$4.8M
147.8KAddedQ1 2026
15PUBLIC SECTOR PENSION INVESTMENT BOARD
$3.7M
114.5KAddedQ1 2026
16Dana Investment Advisors, Inc.
$2.0M
62.1KAddedQ1 2026
17BOOTHBAY FUND MANAGEMENT, LLC
$1.3M
39.8KReducedQ1 2026
18Williams Jones Wealth Management, LLC.
$1.0M
32.0KHeldQ1 2026
19Vident Advisory, LLC
$628K
19.2KNewQ1 2026
20Man Group plc
$614K
18.8KNewQ1 2026
21MetLife Investment Management, LLC
$611K
18.7KHeldQ1 2026
22WEALTH ENHANCEMENT ADVISORY SERVICES, LLC
$570K
16.4KAddedQ1 2026
23CenterBook Partners LP
$569K
17.4KReducedQ1 2026
24Illinois Municipal Retirement Fund
$536K
16.4KAddedQ1 2026
25VOLORIDGE INVESTMENT MANAGEMENT, LLC
$379K
11.6KNewQ1 2026

Fund activity — latest quarter

Opened (NEW)
18
funds
Added
20
funds
Reduced
13
funds
Exited
4
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

56 funds+55 since Q2 2022
02856Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $346M

Funds that own PDFS also own

CompanyCo-held byCombined value
Nvidia Corp. (US)NVDA53 funds$208.3B
Apple Inc.AAPL53 funds$182.5B
Microsoft Corp.MSFT53 funds$138.7B
JPMorgan Chase & Co.JPM53 funds$44.5B
Alphabet Inc Cap Stock Cl AGOOGL52 funds$81.5B
Unitedhealth Group IncUNH52 funds$14.3B
Servicenow IncNOW52 funds$6.9B
Amazon.com IncAMZN51 funds$99.2B
Broadcom LtdAVGO51 funds$72.2B
Lilly Eli & CoLLY51 funds$39.3B
Visa Inc Class AV51 funds$30.3B
Netflix IncNFLX51 funds$19.4B

Ranked by how many of PDFS's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for PDFS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.