PDFSPDF Solutions, Inc.

$54.40+147% 1Y

Who owns PDFS

280 institutions reported holding PDFS for 2026Q2, together 96% of the company, more than the 207 a quarter earlier.

280

Institutions reporting a position · as of 2026Q2 · up from 207 the quarter before

Shares held by institutions
38.7M

Shares held by institutions · 96% of the company · long US equity positions only, as reported on Form 13F

Reported value
$2.73B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
34%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
95
Positions exited
23
Added to
88
Reduced
60
Top 10 holdersof the company
48%
Shares sold shortsettled Sep 15, 2026
3.2M
Short interestof shares outstanding
8.0%
Days to coverat the average daily volume
5.7
Change in the short positionsince the Aug 31, 2026 count
+5.9%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q228038.7M$2.73B
2026Q120732.2M$1.05B
2025Q418730.6M$874M
2025Q318129.7M$766M
2025Q217029.2M$624M
2025Q116727.7M$529M
2024Q417828.3M$766M
2024Q317528.3M$897M
2024Q217227.9M$1.02B
2024Q118028.0M$943M
2023Q419628.2M$907M
2023Q318127.4M$887M
2023Q217827.5M$1.24B
2023Q117627.2M$1.15B
2022Q415026.4M$753M
2022Q313526.2M$644M
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.5.6M14%$393M
VANGUARD GROUP INC3.4M8.5%$243M
NEEDHAM INVESTMENT MANAGEMENT LLC2.1M5.1%$146M
STATE STREET CORP1.4M3.4%$98M
WASATCH ADVISORS LP1.4M3.4%$98M
BARROW HANLEY MEWHINNEY & STRAUSS LLC1.3M3.3%$93M
Ranger Investment Management, L.P.1.1M2.8%$81M
SNYDER CAPITAL MANAGEMENT L P1.0M2.6%$73M
Jupiter Topco LLC0.9M2.3%$66M
JPMORGAN CHASE & CO0.9M2.3%$61M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20263.2M8.0%5.7
Aug 31, 20263.1M7.6%4.4
Aug 14, 20262.4M6.0%4.9
Jul 31, 20262.4M5.9%4.6
Jul 15, 20262.6M6.4%3.9
Jun 30, 20262.2M5.4%2.6
Jun 15, 20262.2M5.5%2.6
May 29, 20261.7M4.3%2.6
May 15, 20261.8M4.3%1.4
Apr 30, 20261.9M4.7%3.3
Apr 15, 20261.7M4.2%5.0
Mar 31, 20261.9M4.7%5.1

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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