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PDF Solutions

172 hedge funds and large institutions have $624M invested in PDF Solutions in 2025 Q2 according to their latest regulatory filings, with 28 funds opening new positions, 77 increasing their positions, 43 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed

79% more repeat investments, than reductions

Existing positions increased: 77 | Existing positions reduced: 43

22% more first-time investments, than exits

New positions opened: 28 | Existing positions closed: 23

18% more capital invested

Capital invested by funds: $529M → $624M (+$94.8M)

3.77% more ownership

Funds ownership: 70.75%74.53% (+3.8%)

2% more funds holding

Funds holding: 168172 (+4)

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

Holders
172
Holders Change
+4
Holders Change %
+2.38%
% of All Funds
2.26%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.04%
New
28
Increased
77
Reduced
43
Closed
23
Calls
$9K
Puts
Net Calls
+$9K
Net Calls Change
-$67K
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$103M -$1.85M -97,696 -2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$68.1M +$481K +25,405 +0.8%
NIM
3
Needham Investment Management
New York
$40.9M +$918K +48,500 +3%
WA
4
Wasatch Advisors
Utah
$25.5M +$795K +41,977 +4%
William Blair Investment Management
5
William Blair Investment Management
Illinois
$25.4M +$1.16M +61,124 +5%
State Street
6
State Street
Massachusetts
$24.3M -$227K -12,000 -1%
RIM
7
Ranger Investment Management
Texas
$22.4M +$3.19M +168,450 +19%
EA
8
Emerald Advisers
Pennsylvania
$20.4M +$560K +29,583 +3%
SM
9
Samjo Management
New York
$20M +$1.24M +65,620 +8%
Dimensional Fund Advisors
10
Dimensional Fund Advisors
Texas
$18.1M -$147K -7,756 -0.9%
SCM
11
Snyder Capital Management
California
$17.4M +$1.12M +59,029 +8%
Janus Henderson Group
12
Janus Henderson Group
United Kingdom
$17.1M +$170 +9 +0%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$16.8M +$845K +44,641 +6%
DCM
14
Divisar Capital Management
California
$13.1M +$1.21M +64,177 +12%
EMFAT
15
Emerald Mutual Fund Advisers Trust
Pennsylvania
$12.4M -$700K -37,000 -6%
Morgan Stanley
16
Morgan Stanley
New York
$12.1M +$2.19M +115,528 +26%
SBCM
17
Silverberg Bernstein Capital Management
New York
$8.95M +$1.71M +90,467 +28%
Northern Trust
18
Northern Trust
Illinois
$7.96M -$405K -21,410 -5%
Connor, Clark & Lunn Investment Management (CC&L)
19
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$7.3M +$1.72M +91,068 +36%
Russell Investments Group
20
Russell Investments Group
United Kingdom
$6.73M +$1.05M +55,569 +21%
N
21
Nuveen
North Carolina
$6.59M +$3.23M +170,884 +124%
Charles Schwab
22
Charles Schwab
California
$6.17M +$109K +5,780 +2%
Fidelity Investments
23
Fidelity Investments
Massachusetts
$4.93M +$782K +41,292 +22%
Acadian Asset Management
24
Acadian Asset Management
Massachusetts
$4.5M +$797K +42,093 +25%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$4.49M +$73.2K +3,865 +2%

PDFS Hedge Fund Activity: Q2 2025 in Review

172 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in PDF Solutions (PDFS) for Q2 2025, worth a combined $624M — up 18% from $529M a quarter earlier.

Buyers outnumbered sellers: 28 funds opened new PDFS positions and 23 closed out — a net gain of 5 holders — while 77 added to existing stakes and 43 trimmed.

The largest buyer was Nuveen, adding an estimated $3.23M. The largest seller was Thrivent Financial for Lutherans, cutting an estimated $6.17M.

  • 172 institutional investors held PDF Solutions (PDFS) as of Q2 2025, up from 168 in Q1 2025.
  • Funds reported $624M of PDF Solutions stock for Q2 2025, up 18% quarter-over-quarter.
  • 28 funds opened new PDF Solutions positions in Q2 2025 and 23 closed out, a net change of +5 holders.
  • The largest PDF Solutions buyer in Q2 2025 was Nuveen, an estimated $3.23M added.
  • The largest PDF Solutions seller in Q2 2025 was Thrivent Financial for Lutherans, an estimated $6.17M sold.

Based on aggregated 13F filings for Q2 2025.