DOSSIER · 13F Holders · Q2 2026Technology · Services-Management Services
IT

GARTNER INC

692 institutions still hold GARTNER INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 366651107·Services-Management Services·692 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$7.0B
visible holders
Holders
692
filers reporting
Concentration
14.02%
BAMCO INC /NY/ #1
top holder share
AI Holders Summary · Q2 2026

692 institutions reported IT in Q2 2026. BAMCO INC /NY/ leads at 14.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BAMCO INC /NY/
CIK 0001017918
$985M7.6M1.48%Q2 2026
02
Independent Franchise Partners LLP
CIK 0001483866
$724M5.6M4.75%Q2 2026
03
BlackRock, Inc.
CIK 0002012383
$676M5.2M0.01%Q2 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$553M4.3M0.01%Q2 2026
05
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$541M4.2M0.19%Q2 2026
06
HARRIS ASSOCIATES L P
CIK 0000813917
$497M3.1M0.66%Q1 2026
07
Vanguard Portfolio Management
CIK 0002100121· Index
$456M3.5M0.02%Q2 2026
08
STATE STREET CORP
CIK 0000093751
$364M2.8M0.01%Q2 2026
09
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$337M2.6M0.02%Q2 2026
10
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$276M2.1M0.20%Q2 2026
11
Invesco Ltd.
CIK 0000914208
$267M2.1M0.02%Q2 2026
12
FEDERATED HERMES, INC.
CIK 0001056288
$265M2.0M0.38%Q2 2026
13
MORGAN STANLEY
CIK 0000895421
$242M1.9M0.01%Q2 2026
14
GOLDMAN SACHS GROUP INC
CIK 0000886982
$237M1.8M0.02%Q2 2026
15
BANK OF AMERICA CORP /DE/
CIK 0000070858
$118M908K0.01%Q2 2026
16
CITADEL ADVISORS LLC
CIK 0001423053
$112M861K0.01%Q2 2026
17
NORGES BANK
CIK 0001374170· Sovereign
$111M855K0.01%Q2 2026
18
VOLORIDGE INVESTMENT MANAGEMENT, LLC
CIK 0001556921
$95M378K0.34%Q4 2025
19
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$87M674K0.03%Q2 2026
20
NORTHERN TRUST CORP
CIK 0000073124· Index
$85M658K0.01%Q2 2026
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Insiders at GARTNER INC
Kranich Robin BGenovese YvonneDykstra Karen EBisson PeterSafian CraigVan Ham DickCesan Raul EFuchs Anne Sutherland