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PDF Solutions
PDFS

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: 168 → 172 (+4)

0% more funds holding in top 10

Funds holding in top 10: 3 → 3 (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

Top Buyers

Rank Fund Capital Flow
1
N
Nuveen
North Carolina
+$3.23M
2
RIM
Ranger Investment Management
Texas
+$3.19M
3
MCO
MAK Capital One
New York
+$3.03M
4
KLP
Kent Lake PR
Puerto Rico
+$2.69M
5
Morgan Stanley
Morgan Stanley
New York
+$2.19M

Top Sellers

Rank Fund Capital Flow
1
Thrivent Financial for Lutherans
Thrivent Financial for Lutherans
Minnesota
-$6.17M
2
BlackRock
BlackRock
New York
-$1.85M
3
Jane Street
Jane Street
New York
-$1.16M
4
RA
Royce & Associates
New York
-$927K
5
State of Wisconsin Investment Board
State of Wisconsin Investment Board
Wisconsin
-$906K
Name Holding Trade Value Shares
Change 		Change in
Stake
HIM
26
Herald Investment Management
United Kingdom
$4.27M – – –
SBH
27
Segall Bryant & Hamill
Illinois
$4.23M +$633K +33,453 +20%
D.E. Shaw & Co
28
D.E. Shaw & Co
New York
$3.7M -$111K -5,850 -3%
MCO
29
MAK Capital One
New York
$3.42M +$3.03M +160,020 New
CP
30
CenterBook Partners
Connecticut
$3.4M +$793K +41,905 +36%
Qube Research & Technologies (QRT)
31
Qube Research & Technologies (QRT)
United Kingdom
$3.35M +$1.31M +69,187 +79%
Principal Financial Group
32
Principal Financial Group
Iowa
$3.32M +$9.35K +494 +0.3%
KLP
33
Kent Lake PR
Puerto Rico
$3.04M +$2.69M +142,221 New
RhumbLine Advisers
34
RhumbLine Advisers
Massachusetts
$2.83M +$888K +46,908 +55%
UBS Group
35
UBS Group
Switzerland
$2.57M +$677K +35,752 +42%
PCM
36
Penn Capital Management
Pennsylvania
$2.45M +$114K +6,037 +6%
Public Sector Pension Investment Board (PSP Investments)
37
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$2.28M +$160K +8,460 +9%
MOACM
38
Mutual of America Capital Management
New York
$2.27M +$155K +8,204 +8%
AG
39
Algert Global
California
$2.24M +$574K +30,300 +41%
Ameriprise
40
Ameriprise
Minnesota
$2.24M +$666K +35,195 +51%
Bank of America
41
Bank of America
North Carolina
$2.21M +$659K +34,834 +51%
Deutsche Bank
42
Deutsche Bank
Germany
$2.2M -$86.2K -4,555 -4%
Citadel Advisors
43
Citadel Advisors
Florida
$2.18M +$921K +48,658 +91%
Invesco
44
Invesco
Georgia
$2.07M +$124K +6,560 +7%
RHJA
45
Rice Hall James & Associates
California
$1.96M +$1.74M +91,689 New
Legal & General Group
46
Legal & General Group
United Kingdom
$1.91M +$45.1K +2,381 +3%
UBS AM
47
UBS AM
Illinois
$1.83M +$297K +15,682 +22%
BCC
48
Bridge City Capital
Oregon
$1.79M +$72.9K +3,852 +5%
Renaissance Technologies
49
Renaissance Technologies
New York
$1.48M +$312K +16,500 +31%
ACH
50
ArrowMark Colorado Holdings
Colorado
$1.39M +$1.23M +65,000 New
1
2
3 4 5

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.