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897 hedge funds and large institutions have $29.8B invested in Gartner in 2025 Q2 according to their latest regulatory filings, with 87 funds opening new positions, 375 increasing their positions, 327 reducing their positions, and 98 closing their positions.

New
Increased
Maintained
Reduced
Closed

15% more repeat investments, than reductions

Existing positions increased: 375 | Existing positions reduced: 327

5% more call options, than puts

Call options by funds: $94.3M | Put options by funds: $90.1M

0.14% more ownership

Funds ownership: 95.6%95.74% (+0.14%)

0% more funds holding in top 10

Funds holding in top 10: 1313 (0)

3% less capital invested

Capital invested by funds: $30.8B → $29.8B (-$1.03B)

3% less funds holding

Funds holding: 920897 (-23)

11% less first-time investments, than exits

New positions opened: 87 | Existing positions closed: 98

Holders
897
Holders Change
-23
Holders Change %
-2.5%
% of All Funds
11.81%
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.17%
New
87
Increased
375
Reduced
327
Closed
98
Calls
$94.3M
Puts
$90.1M
Net Calls
+$4.24M
Net Calls Change
-$27.2M
Name Holding Trade Value Shares
Change
Change in
Stake
Federated Hermes
76
Federated Hermes
Pennsylvania
$59.6M -$20.9M -50,020 -25%
Mitsubishi UFJ Asset Management
77
Mitsubishi UFJ Asset Management
Japan
$59.4M +$4.45M +10,644 +8%
O
78
Ossiam
France
$58.3M +$55.5M +132,649 +1,142%
Assenagon Asset Management
79
Assenagon Asset Management
Luxembourg
$55.9M -$4.96M -11,853 -8%
DekaBank Deutsche Girozentrale
80
DekaBank Deutsche Girozentrale
Germany
$54.7M +$2.2M +5,255 +4%
Acadian Asset Management
81
Acadian Asset Management
Massachusetts
$53.3M +$29.7M +70,930 +116%
Prudential Financial
82
Prudential Financial
New Jersey
$51.3M +$36.4M +87,063 +218%
California State Teachers Retirement System (CalSTRS)
83
California State Teachers Retirement System (CalSTRS)
California
$49.1M +$2.1M +5,009 +4%
TC
84
TwinBeech Capital
New York
$47.7M +$3.27M +7,815 +7%
National Pension Service
85
National Pension Service
South Korea
$46.6M +$359K +859 +0.8%
EGM
86
Engineers Gate Manager
New York
$45.4M +$23.8M +56,860 +102%
Russell Investments Group
87
Russell Investments Group
United Kingdom
$44.3M +$3.28M +7,838 +8%
Mitsubishi UFJ Trust & Banking
88
Mitsubishi UFJ Trust & Banking
Japan
$42.3M +$14.2M +33,830 +48%
SH
89
Spear Holdings
United Arab Emirates
$41.9M +$43.4M +103,735 New
Canada Life
90
Canada Life
Manitoba, Canada
$40.7M +$3.18M +7,606 +8%
Tudor Investment Corp
91
Tudor Investment Corp
Connecticut
$40.5M +$23.2M +55,417 +124%
Manulife (Manufacturers Life Insurance)
92
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$38.5M +$21M +50,251 +112%
Allianz Asset Management
93
Allianz Asset Management
Germany
$38.5M -$821K -1,963 -2%
Citigroup
94
Citigroup
New York
$38.4M +$1.36M +3,261 +4%
RPI
95
Railway Pension Investments
United Kingdom
$36.9M -$9.04M -21,600 -19%
SEI Investments
96
SEI Investments
Pennsylvania
$36.9M +$4.21M +10,063 +12%
Baird Financial Group
97
Baird Financial Group
Wisconsin
$36.3M +$8.08M +19,300 +27%
GIM
98
Glenmede Investment Management
Pennsylvania
$36M +$37.2M +88,963 New
WIM
99
Weitz Investment Management
Nebraska
$35.5M
Teacher Retirement System of Texas
100
Teacher Retirement System of Texas
Texas
$33.5M -$1.12M -2,665 -3%

IT Hedge Fund Activity: Q2 2025 in Review

897 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Gartner (IT) for Q2 2025, worth a combined $29.8B — down 3.3% from $30.8B a quarter earlier.

Sellers outnumbered buyers: 98 funds closed out of IT and 87 opened new positions — a net loss of 11 holders — while 327 trimmed existing stakes and 375 added.

The largest buyer was BlackRock, adding an estimated $336M. The largest seller was Fidelity Investments, cutting an estimated $547M.

  • 897 institutional investors held Gartner (IT) as of Q2 2025, down from 920 in Q1 2025.
  • Funds reported $29.8B of Gartner stock for Q2 2025, down 3.3% quarter-over-quarter.
  • 87 funds opened new Gartner positions in Q2 2025 and 98 closed out, a net change of -11 holders.
  • The largest Gartner buyer in Q2 2025 was BlackRock, an estimated $336M added.
  • The largest Gartner seller in Q2 2025 was Fidelity Investments, an estimated $547M sold.

Based on aggregated 13F filings for Q2 2025.