797 hedge funds and large institutions have $19.7B invested in Gartner in 2025 Q4 according to their latest regulatory filings, with 131 funds opening new positions, 257 increasing their positions, 318 reducing their positions, and 105 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more first-time investments, than exits

New positions opened: | Existing positions closed:

more ownership

Funds ownership:

more capital invested

Capital invested by funds: $ → $

1% more funds holding

Funds holding: 790797 (+7)

13% less funds holding in top 10

Funds holding in top 10: 87 (-1)

19% less repeat investments, than reductions

Existing positions increased: 257 | Existing positions reduced: 318

Holders
797
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$99.8M
Puts
$58.2M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Citadel Advisors
101
Citadel Advisors
Florida
$17.1M
State Board of Administration of Florida Retirement System
102
State Board of Administration of Florida Retirement System
Florida
$16.9M
VRS
103
Virginia Retirement Systems
Virginia
$16.6M
Adage Capital Partners
104
Adage Capital Partners
Massachusetts
$16.4M
Aviva
105
Aviva
United Kingdom
$16.2M
SBCM
106
Schwerin Boyle Capital Management
Massachusetts
$16.1M
PPF
107
PFA Pension Forsikringsaktieselskab
$16.1M
SG Americas Securities
108
SG Americas Securities
New York
$15.4M
Canada Life
109
Canada Life
Manitoba, Canada
$15.4M
CII
110
Capital International Inc
California
$15.2M
FGP
111
Foyston, Gordon, & Payne
Ontario, Canada
$15.1M
Cerity Partners
112
Cerity Partners
New York
$14.9M
GCM
113
Geneva Capital Management
Wisconsin
$14.8M
Russell Investments Group
114
Russell Investments Group
United Kingdom
$14.7M
DCP
115
Distillate Capital Partners
Illinois
$14.6M
Swedbank
116
Swedbank
Sweden
$14.6M
Carson Wealth (CWM LLC)
117
Carson Wealth (CWM LLC)
Nebraska
$14.6M
New York State Teachers Retirement System (NYSTRS)
118
New York State Teachers Retirement System (NYSTRS)
New York
$14.5M
Mariner
119
Mariner
Kansas
$14.5M
DB
120
Danske Bank
Denmark
$14.4M
Capital Fund Management (CFM)
121
Capital Fund Management (CFM)
France
$14.2M
SLAM
122
Swiss Life Asset Management
$13.8M
Janney Montgomery Scott
123
Janney Montgomery Scott
Pennsylvania
$13.1M
BA
124
Bridgewater Associates
Connecticut
$12.4M
GIG
125
Goodnow Investment Group
Connecticut
$12.2M