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
EMPI
226
Elo Mutual Pension Insurance
Finland
$3.81M
Westfield Capital Management
227
Westfield Capital Management
Massachusetts
$3.78M
Lazard Asset Management
228
Lazard Asset Management
New York
$3.67M
Comerica Bank
229
Comerica Bank
Texas
$3.64M
AM
230
AGF Management
Ontario, Canada
$3.61M
UIM
231
USS Investment Management
United Kingdom
$3.57M
WIC
232
Wilkins Investment Counsel
Massachusetts
$3.56M
Twin Tree Management
233
Twin Tree Management
Texas
$3.5M
Cetera Investment Advisers
234
Cetera Investment Advisers
Illinois
$3.48M
2
235
2Xideas
Switzerland
$3.45M
Mirae Asset Global Investments
236
Mirae Asset Global Investments
South Korea
$3.36M
Baird Financial Group
237
Baird Financial Group
Wisconsin
$3.32M
BHCM
238
Brevan Howard Capital Management
Jersey
$3.3M
URS
239
Utah Retirement Systems
Utah
$3.26M
Janney Montgomery Scott
240
Janney Montgomery Scott
Pennsylvania
$3.24M
GIA
241
GHP Investment Advisors
Colorado
$3.17M
PFSRSONJ
242
Police & Firemen's Retirement System of New Jersey
New Jersey
$3.17M
Daiwa Securities Group
243
Daiwa Securities Group
Japan
$3.17M
VPIM
244
Vanguard Personalized Indexing Management
California
$3.04M
Janus Henderson Group
245
Janus Henderson Group
United Kingdom
$2.99M
NICM
246
Neo Ivy Capital Management
New York
$2.99M
TAF
247
Tredje AP-fonden
Sweden
$2.99M
Rockefeller Capital Management
248
Rockefeller Capital Management
New York
$2.94M
BAM
249
Bell Asset Management
Australia
$2.92M
BCIM
250
British Columbia Investment Management
British Columbia, Canada
$2.91M