803 hedge funds and large institutions have $19.8B invested in Gartner in 2025 Q4 according to their latest regulatory filings, with 134 funds opening new positions, 257 increasing their positions, 319 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:

5% more capital invested

Capital invested by funds: $18.9B → $19.8B (+$910M)

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: 319

Holders
803
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
GIG
126
Goodnow Investment Group
Connecticut
$12.2M
National Bank of Canada
127
National Bank of Canada
Quebec, Canada
$11.9M
KCM
128
Kornitzer Capital Management
Kansas
$11.8M
T. Rowe Price Investment Management
129
T. Rowe Price Investment Management
Maryland
$11.7M
Korea Investment Corp
130
Korea Investment Corp
South Korea
$11.5M
Universal-Beteiligungs- und Servicegesellschaft
131
Universal-Beteiligungs- und Servicegesellschaft
Germany
$11.1M
Tudor Investment Corp
132
Tudor Investment Corp
Connecticut
$10.9M
New York State Common Retirement Fund
133
New York State Common Retirement Fund
New York
$10.9M
OAC
134
OMERS Administration Corp
Ontario, Canada
$10.8M
Pictet Asset Management
135
Pictet Asset Management
Switzerland
$10.7M
Calamos Advisors
136
Calamos Advisors
Illinois
$10.6M
Prudential Financial
137
Prudential Financial
New Jersey
$10.3M
OAM
138
Oppenheimer Asset Management
New York
$10.2M
Federated Hermes
139
Federated Hermes
Pennsylvania
$10.1M
IMRF
140
Illinois Municipal Retirement Fund
Illinois
$9.98M
Corient Private Wealth
141
Corient Private Wealth
Florida
$9.95M
TD Asset Management
142
TD Asset Management
Ontario, Canada
$9.93M
State of Wisconsin Investment Board
143
State of Wisconsin Investment Board
Wisconsin
$9.87M
EWA
144
Exencial Wealth Advisors
Oklahoma
$9.53M
IP
145
Isthmus Partners
Wisconsin
$9.37M
Stifel Financial
146
Stifel Financial
Missouri
$9.36M
N
147
Natixis
France
$9.36M
Raymond James Financial
148
Raymond James Financial
Florida
$9.33M
NC
149
Nicholas Company
Wisconsin
$9.25M
Chevy Chase Trust
150
Chevy Chase Trust
Maryland
$9.22M