809 hedge funds and large institutions have $19.9B invested in Gartner in 2025 Q4 according to their latest regulatory filings, with 135 funds opening new positions, 259 increasing their positions, 321 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 → $19.9B (+$922M)

13% less funds holding in top 10

Funds holding in top 10: 87 (-1)

19% less repeat investments, than reductions

Existing positions increased: 259 | Existing positions reduced: 321

Holders
809
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
Verition Fund Management
826
Verition Fund Management
Connecticut
UF
827
Univest Financial
Pennsylvania
N
828
Numerai
California
MGWM
829
Marks Group Wealth Management
Minnesota
HCMT
830
Highland Capital Management (Tennessee)
Tennessee
VCM
831
Voleon Capital Management
California
AIM
832
Achmea Investment Management
Netherlands
BJL
833
Brighton Jones LLC
Washington
SGI
834
Summit Global Investments
Utah
IQI
835
Integrated Quantitative Investments
Washington
A
836
AustralianSuper
Australia
Kovitz Investment Group Partners
837
Kovitz Investment Group Partners
Illinois
AG
838
Algert Global
California
ALMGDA
839
AG2R La Mondiale Gestion d'Actifs
France
NP
840
NorthRock Partners
Minnesota
PCM
841
Polymer Capital Management
New York
MP
842
Mangrove Partners
Connecticut
AAMU
843
APG Asset Management US
New York
OIA
844
OneDigital Investment Advisors
Kansas
MSR
845
Main Street Research
Connecticut
SCM
846
Semanteon Capital Management
Massachusetts
GWMR
847
GC Wealth Management RIA
Massachusetts
UBP
848
Union Bancaire Privee
Switzerland
OAM
849
Occidental Asset Management
California
MAM
850
Milestone Asset Management
Pennsylvania