790 hedge funds and large institutions have $18.9B invested in Gartner in 2025 Q3 according to their latest regulatory filings, with 130 funds opening new positions, 254 increasing their positions, 314 reducing their positions, and 219 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)

41% less first-time investments, than exits

New positions opened: 130 | Existing positions closed: 219

Holders
790
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
SPS
801
Susquehanna Portfolio Strategies
Pennsylvania
Axa
802
Axa
France
PCM
803
Prana Capital Management
Connecticut
PMAM
804
Picton Mahoney Asset Management
Ontario, Canada
PIM
805
Progressive Investment Management
Oregon
JF
806
Jump Financial
Illinois
MF
807
Magnetar Financial
Illinois
AAMU
808
AEGON Asset Management (UK)
United Kingdom
OQS
809
Occudo Quantitative Strategies
Florida
Caisse de Depot et Placement du Quebec (CDPQ)
810
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
DWM
811
Dakota Wealth Management
Florida
CAU
812
Caxton Associates (UK)
BFG
813
Berger Financial Group
Minnesota
ACM
814
Argent Capital Management
Missouri
XT
815
XTX Topco
Cayman Islands
TAM
816
Thematics Asset Management
France
GLAM
817
Gardner Lewis Asset Management
Pennsylvania
FCM
818
Fieldview Capital Management
Michigan
MWM
819
Moran Wealth Management
Florida
ET
820
Entropy Technologies
New York
SFM
821
Signet Financial Management
New Jersey
Jennison Associates
822
Jennison Associates
New York
CCIA
823
Campbell & Co Investment Adviser
Maryland
GCM
824
Graham Capital Management
Connecticut
Marshall Wace
825
Marshall Wace
United Kingdom