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FormFactor
FORM

Overview Fund Activity

276 hedge funds and large institutions have $2.14B invested in FormFactor in 2025 Q1 according to their latest regulatory filings, with 42 funds opening new positions, 106 increasing their positions, 89 reducing their positions, and 61 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
276
Holders Change
-23
Holders Change %
-7.69%
% of All Funds
3.75%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
42
Increased
106
Reduced
89
Closed
61
Calls
$11M
Puts
$4.16M
Net Calls
+$6.88M
Net Calls Change
-$15M

Top Buyers

1
Westfield Capital Management
Westfield Capital Management
Massachusetts
$25.8M
2
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
$55.6M
3
RP
Reinhart Partners
Wisconsin
$32.7M
4
Select Equity Group
Select Equity Group
New York
$9.78M
5
PCMI
Paradigm Capital Management Inc
New York
$8.36M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
$0
2
TCM
TimesSquare Capital Management
New York
$0
3
OAM
Oberweis Asset Management
Illinois
$0
4
BlackRock
BlackRock
New York
$331M
5
Franklin Resources
Franklin Resources
California
$204K
Name Holding Trade Value Shares
Change 		Shares
Change %
LTAS
101
Linden Thomas Advisory Services
North Carolina
$1.15M -$3.17K -112 -0.3%
CF
102
Corebridge Financial
Texas
$1.14M -$22.4K -792 -2%
FDCDDQ
103
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.14M +$76.9K +2,720 +7%
AQR Capital Management
104
AQR Capital Management
Connecticut
$1.11M -$607K -21,454 -35%
AAF
105
Andra AP-fonden
Sweden
$1.06M +$1.06M +37,457 New
LSERS
106
Louisiana State Employees Retirement System
Louisiana
$1.03M -$25.5K -900 -2%
Russell Investments Group
107
Russell Investments Group
United Kingdom
$994K +$65.2K +2,306 +7%
American Century Companies
108
American Century Companies
Missouri
$958K +$693K +24,490 +262%
TPSF
109
Texas Permanent School Fund
Texas
$946K +$946K +33,619 New
Janus Henderson Group
110
Janus Henderson Group
United Kingdom
$940K -$120K -4,200 -11%
Marshall Wace
111
Marshall Wace
United Kingdom
$880K +$638K +22,535 +263%
Ensign Peak Advisors
112
Ensign Peak Advisors
Utah
$878K – – –
AAS
113
Avantax Advisory Services
Texas
$847K +$71K +2,511 +9%
PEAK6
114
PEAK6
Illinois
$834K +$789K +27,878 +1,724%
YCM
115
Yousif Capital Management
Michigan
$808K -$22.4K -793 -3%
Fifth Third Bancorp
116
Fifth Third Bancorp
Ohio
$801K -$144K -5,084 -15%
PP
117
PDT Partners
New York
$790K -$178K -6,297 -18%
Amundi
118
Amundi
France
$787K -$199K -7,887 -20%
Man Group
119
Man Group
United Kingdom
$785K +$638K +22,542 +434%
SG Americas Securities
120
SG Americas Securities
New York
$723K +$723K +25,567 New
TRSOTSOK
121
Teachers Retirement System of the State of Kentucky
Kentucky
$695K -$940K -33,211 -58%
VRS
122
Virginia Retirement Systems
Virginia
$690K +$690K +24,400 New
MSRPS
123
Maryland State Retirement & Pension System
Maryland
$640K -$95.5K -3,377 -13%
ASRS
124
Arizona State Retirement System
Arizona
$628K -$7.24K -256 -1%
AB
125
Amalgamated Bank
New York
$624K -$18.4K -650 -3%
3 4
5
6 7