798 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 funds holding

Funds holding:

4% more capital invested

Capital invested by funds: $18.9B → $19.7B (+$790M)

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
798
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
1832 Asset Management
251
1832 Asset Management
Ontario, Canada
$2.9M
CS
252
Candriam SCA
Luxembourg
$2.9M
Rockefeller Capital Management
253
Rockefeller Capital Management
New York
$2.89M
PFSRSONJ
254
Police & Firemen's Retirement System of New Jersey
New Jersey
$2.89M
TAF
255
Tredje AP-fonden
Sweden
$2.87M
TIM
256
Triad Investment Management
California
$2.75M
BCI
257
Brinker Capital Investments
Pennsylvania
$2.73M
SMDAM
258
Sumitomo Mitsui DS Asset Management
Japan
$2.71M
Ensign Peak Advisors
259
Ensign Peak Advisors
Utah
$2.66M
NYLIM
260
New York Life Investment Management
New York
$2.64M
VPIM
261
Vanguard Personalized Indexing Management
California
$2.59M
Public Sector Pension Investment Board (PSP Investments)
262
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$2.59M
DZ Bank
263
DZ Bank
Germany
$2.58M
CWM
264
CIBC World Markets
New York
$2.56M
Macquarie Group
265
Macquarie Group
Australia
$2.51M
NAM
266
Nissay Asset Management
Japan
$2.51M
BCIM
267
Black Creek Investment Management
Ontario, Canada
$2.5M
RIM
268
Rakuten Investment Management
Japan
$2.45M
CIS
269
Capital International Sarl
California
$2.39M
EI
270
Ethic Inc
New York
$2.36M
AA
271
Ancora Advisors
Ohio
$2.32M
EAM
272
Eukles Asset Management
Ohio
$2.3M
PIM
273
Plato Investment Management
Australia
$2.28M
Neuberger Berman Group
274
Neuberger Berman Group
New York
$2.23M
Polen Capital Management
275
Polen Capital Management
Florida
$2.21M