Pdf Solutions Inc (PDFS) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

39,619,000Shares Outstanding

31,791,544Shares held by institutions

$1,103,484,492Value of institutional holdings

80.24%Institutional ownership %

10.29%Shares Changed QoQ

181No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Pdf Solutions Inc (NASDAQ:PDFS) is held by 181 institutional investors per 13F filings through December 2025.

Collectively, these holders controlled 79.8% of Pdf Solutions's outstanding shares in December 2025, up from 75.3% in September 2025.
They increased total shares held in PDFS by 10.03% quarter over quarter, and investors in Pdf Solutions increased 1.69% from a year ago.
Among the 181 funds, 95 bought more Pdf Solutions shares, 61 sold down, and 25 held their ground.
The aggregate institutional position in Pdf Solutions amounted to 31.6Mn shares as of December 2025, up by 2.88Mn shares quarter on quarter, and up 2.38Mn shares year over year.
BlackRock, Inc. holds the largest position in PDFS at 4.89Mn shares as of December 31, 2025, or 12.33% of shares outstanding.
The largest buyers of Pdf Solutions for the quarter ending December 2025 were Samjo Management, LLC (1.18Mn), Ophir Asset Management Pty Ltd (723.13K), Pillsbury Lake Capital LLC (376.07K), Goldman Sachs Group Inc (239.13K), SNYDER CAPITAL MANAGEMENT L P (155.08K).
The biggest sellers of Pdf Solutions for the quarter ending December 2025 included CenterBook Partners LP (141.99K), Barclays Plc (104.17K), Penn Capital Management Company, LLC (97.49K), Bank Of America Corp /De/ (72.64K), VANGUARD GROUP INC (65.1K).
Per Business Quant, the top 10 investors in PDFS for the quarter ending December 2025 include BlackRock, Inc. (4.89Mn), VANGUARD GROUP INC (3.09Mn), Samjo Management, LLC (2.3Mn), NEEDHAM INVESTMENT MANAGEMENT LLC (1.96Mn), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (1.36Mn), Ranger Investment Management, L.P. (1.17Mn), State Street Corp (1.15Mn), SNYDER CAPITAL MANAGEMENT L P (955.44K), EMERALD ADVISERS, LLC (943.37K), Janus Henderson Group Plc (912.14K).

181 Institutional Holders

31,791,544 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	4,885,246	22,042	0.45%	$139,376,067.00
VANGUARD GROUP INC	31 Dec, 2025	3,089,519	-65,100	-2.06%	$88,143,977.00
Samjo Management, LLC	31 Dec, 2025	2,302,038	1,181,319	105.41%	$65,677,144.00
NEEDHAM INVESTMENT MANAGEMENT LLC	31 Dec, 2025	1,965,000	-53,550	-2.65%	$56,061,450.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	1,358,481	9,040	0.67%	$38,757,463.00
Ranger Investment Management, L.P.	31 Dec, 2025	1,170,014	112,804	10.67%	$33,380,499.00
State Street Corp	31 Dec, 2025	1,151,576	5,619	0.49%	$32,854,463.00
SNYDER CAPITAL MANAGEMENT L P	31 Dec, 2025	955,435	155,078	19.38%	$27,258,561.00
EMERALD ADVISERS, LLC	31 Dec, 2025	943,372	717	0.08%	$26,914,403.00
Janus Henderson Group Plc	31 Dec, 2025	912,135	128,270	16.36%	$26,023,469.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	800,963	-10,330	-1.27%	$22,852,857.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	770,152	4,437	0.58%	$21,976,906.00
Divisar Capital Management LLC	31 Dec, 2025	759,815	75,733	11.07%	$21,677,522.00
Ophir Asset Management Pty Ltd	31 Dec, 2025	723,127	723,127	0.00%	$20,630,813.00
EMERALD MUTUAL FUND ADVISERS TRUST	31 Dec, 2025	594,610	0	0.00%	$16,964,223.00
WASATCH ADVISORS LP	31 Dec, 2025	522,320	-25,498	-4.65%	$14,901,790.00
ArrowMark Colorado Holdings LLC	31 Dec, 2025	493,343	41,555	9.20%	$14,075,076.00
Silverberg Bernstein Capital Management LLC	31 Dec, 2025	473,883	15,100	3.29%	$13,519,882.00
LOOMIS SAYLES & CO L P	31 Dec, 2025	465,182	101,999	28.08%	$13,271,642.00
Russell Investments Group, Ltd.	31 Dec, 2025	407,370	33,119	8.85%	$11,622,280.00

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