778 hedge funds and large institutions have $18.9B invested in Gartner in 2025 Q3 according to their latest regulatory filings, with 132 funds opening new positions, 245 increasing their positions, 310 reducing their positions, and 217 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

less ownership

Funds ownership:

less funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

36% less capital invested

Capital invested by funds: $29.7B → $18.9B (-$10.8B)

38% less funds holding in top 10

Funds holding in top 10: 138 (-5)

39% less first-time investments, than exits

New positions opened: 132 | Existing positions closed: 217

Holders
778
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
8
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$81.5M
Puts
$70.9M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
California State Teachers Retirement System (CalSTRS)
76
California State Teachers Retirement System (CalSTRS)
California
$30.6M
Balyasny Asset Management
77
Balyasny Asset Management
Illinois
$30.3M
SC
78
Saturna Capital
Washington
$30M
Franklin Resources
79
Franklin Resources
California
$28.6M
WIM
80
Weitz Investment Management
Nebraska
$28.2M
ACM
81
Aquatic Capital Management
Illinois
$27.1M
Two Sigma Advisers
82
Two Sigma Advisers
New York
$26.2M
Principal Financial Group
83
Principal Financial Group
Iowa
$26.2M
Primecap Management
84
Primecap Management
California
$25.6M
Canada Life
85
Canada Life
Manitoba, Canada
$25.6M
Zurich Cantonal Bank
86
Zurich Cantonal Bank
Switzerland
$24.4M
RG
87
Renaissance Group
Kentucky
$24.1M
RPI
88
Railway Pension Investments
United Kingdom
$24M
Mitsubishi UFJ Trust & Banking
89
Mitsubishi UFJ Trust & Banking
Japan
$24M
American Century Companies
90
American Century Companies
Missouri
$23.4M
GIM
91
Glenmede Investment Management
Pennsylvania
$23.3M
IG
92
ING Group
Netherlands
$22.9M
DGI
93
Disciplined Growth Investors
Minnesota
$22.8M
TD Asset Management
94
TD Asset Management
Ontario, Canada
$21.6M
Capital Fund Management (CFM)
95
Capital Fund Management (CFM)
France
$21M
TCM
96
TimesSquare Capital Management
New York
$20.8M
Bank of Montreal
97
Bank of Montreal
Ontario, Canada
$20.5M
UC
98
Unio Capital
New Jersey
$20.3M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
99
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$19.7M
APG Asset Management
100
APG Asset Management
Netherlands
$19.4M