Form 13-F position report

GARTNER INC COM STK

Reported by ACADIAN ASSET MANAGEMENT LLC

IT CUSIP 366651107 Manager CIK 0000916542

Reported 671,197 shares, up 161,796 (31.8%) from the prior quarter.

Reported value 65.3%; share count 31.8% vs. the prior quarter.

Added
% of reported 13F value 0.78% This manager · Q3 2021
Shares 671,197 Quarter-end amount reported
Reported value $203,932,000 Fair value at quarter end
Consecutive quarters held 7 Through Q3 2021

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2021-09-30 203932000
2021-12-31 220593000
2022-03-31 138897000
2022-06-30 107330000
2022-09-30 106097000
2022-12-31 123910000
2023-03-31 91428000
2023-06-30 63189000
2023-09-30 134000
2023-12-31 0
2024-06-30 650000
2024-09-30 1949000
2024-12-31 191000
2025-03-31 25553000
2025-06-30 53273000
2025-09-30 30979000
2025-12-31 4555000
2026-03-31 6355000
2026-06-30 33000

Quarterly position history

How this manager's reported quarter-end position changed over time.

19 quarters
Quarterly reported position history for GARTNER INC COM STK held by ACADIAN ASSET MANAGEMENT LLC.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q2 2026 Reduced 255 -39,935 (-99.4%) < 0.01% $33,000 2026-08-13
Q1 2026 Added 40,190 +22,130 (122.5%) < 0.01% $6,355,000 2026-05-13
Q4 2025 Reduced 18,060 -99,840 (-84.7%) < 0.01% $4,555,000 2026-02-10
Q3 2025 Reduced 117,900 -13,936 (-10.6%) 0.05% $30,979,000 2025-11-13
Q2 2025 Added 131,836 +70,930 (116.5%) 0.11% $53,273,000 2025-08-07
Q1 2025 Added 60,906 +60,509 (15241.6%) 0.07% $25,553,000 2025-05-21
Q4 2024 Reduced 397 -3,456 (-89.7%) < 0.01% $191,000 2025-02-11
Q3 2024 Added 3,853 +2,402 (165.5%) < 0.01% $1,949,000 2024-11-12
Q2 2024 New 1,451 +1,451 (0.0%) < 0.01% $650,000 2024-08-06
Q4 2023 Reduced 0 -391 (-100.0%) 0 $0 2024-02-13
Q3 2023 Reduced 391 -180,010 (-99.8%) < 0.01% $134,000 2023-11-13
Q2 2023 Reduced 180,401 -100,286 (-35.7%) 0.26% $63,189,000 2023-08-07
Q1 2023 Reduced 280,687 -87,985 (-23.9%) 0.4% $91,428,000 2023-05-11
Q4 2022 Reduced 368,672 -14,827 (-3.9%) 0.61% $123,910,000 2023-02-14
Q3 2022 Reduced 383,499 -60,325 (-13.6%) 0.58% $106,097,000 2022-11-14
Q2 2022 Reduced 443,824 -23,217 (-5.0%) 0.55% $107,330,000 2022-08-09
Q1 2022 Reduced 467,041 -192,906 (-29.2%) 0.57% $138,897,000 2022-05-12
Q4 2021 Reduced 659,947 -11,250 (-1.7%) 0.82% $220,593,000 2022-02-10
Q3 2021 Added 671,197 +161,796 (31.8%) 0.78% $203,932,000 2021-11-12
Five years are shown. A free account unlocks the complete reported history. Unlock full history

Who else reported the position

659 managers reported GARTNER INC COM STK for Q3 2021.

Managers reporting GARTNER INC COM STK in Q3 2021.
Manager Activity Shares Change % of reported 13F Reported value Tenure
VANGUARD GROUP INC Reduced 9,201,490 -82,041 0.07% $2,796,148,000 34 qtrs
BlackRock Inc Reduced 5,657,415 -298,006 0.05% $1,719,173,000 34 qtrs
BAMCO INC NY Reduced 5,469,633 -63,130 3.76% $1,662,112,000 34 qtrs
POLEN CAPITAL MANAGEMENT LLC Reduced 4,509,180 -15,313 2.51% $1,370,250,000 34 qtrs
STATE STREET CORPORATION Reduced 3,204,437 -41,963 0.05% $973,764,000 34 qtrs
GENERATION INVESTMENT MANAGEMENT LLP Reduced 2,819,952 -550,922 3.56% $856,927,000 7 qtrs
FMR LLC Reduced 2,620,934 -421,096 0.06% $796,451,000 34 qtrs
ATLANTA CAPITAL MANAGEMENT CO L L C Reduced 2,081,975 -519,566 2.26% $632,671,000 34 qtrs
HARRIS ASSOCIATES L P Added 1,745,475 +2,660 0.84% $530,415,000 14 qtrs
WELLINGTON MANAGEMENT GROUP LLP Added 1,635,242 +1,622,789 0.08% $496,917,000 34 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
September 30, 2021
Filed
November 12, 2021
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
671,197
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.