Gartner, Inc.
MX ˙ BMV ˙ US3666511072
SecurityMX:IT / Gartner, Inc.
InstitutionRobeco Institutional Asset Management B.V.
Latest Disclosed Ownership7,359 shares
Latest Disclosed Value $ 1,165,224
Robeco Institutional Asset Management B.V. reports 6.78% decrease in ownership of IT / Gartner, Inc.

On April 21, 2026 - Robeco Institutional Asset Management B.V. filed a 13F-HR form disclosing ownership of 7,359 shares of Gartner, Inc. (MX:IT) valued at $1,165,224 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 23, 2026 disclosing 7,894 shares of Gartner, Inc.. This represents a change in shares of -6.78% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-04-21 2026-03-31 13F GARTNER COM 366651107 7,359 -535 -6.78 1,165 -41.49 0.0017
2026-01-23 2025-12-31 13F GARTNER COM 366651107 7,894 535 7.27 1,991 2.95 0.0028
2025-10-22 2025-09-30 13F GARTNER COM 366651107 7,359 -7,958 -51.96 1,934 -68.76 0.0028
2025-07-18 2025-06-30 13F GARTNER COM 366651107 15,317 -3,050 -16.61 6,191 -19.69 0.0100
2025-04-23 2025-03-31 13F GARTNER COM 366651107 18,367 -8,901 -32.64 7,709 -41.64 0.0150
2025-01-23 2024-12-31 13F GARTNER COM 366651107 27,268 1,129 4.32 13,211 -0.27 0.0250
2024-10-29 2024-09-30 13F GARTNER COM 366651107 26,139 2,549 10.81 13,246 25.04 0.0263
2024-07-23 2024-06-30 13F GARTNER COM 366651107 23,590 -18,917 -44.50 10,593 -47.72 0.0228
2024-04-24 2024-03-31 13F GARTNER COM 366651107 42,507 -10,593 -19.95 20,262 -15.41 0.0440
2024-02-14 2023-12-31 13F/A-1 GARTNER COM 366651107 53,100 -12,309 -18.82 23,954 6.58 0.0581
2024-02-08 2023-12-31 13F GARTNER COM 366651107 9,899 -55,510 53 0.0099
2023-10-24 2023-09-30 13F GARTNER COM 366651107 65,409 -20,941 -24.25 22,475 -25.70 0.0601
2023-07-24 2023-06-30 13F GARTNER COM 366651107 86,350 -73,281 -45.91 30,249 -41.83 0.0793
2023-05-04 2023-03-31 13F GARTNER COM 366651107 159,631 -40,780 -20.35 52,003 -22.81 0.1418
2023-02-07 2022-12-31 13F GARTNER COM 366651107 200,411 -6,682 -3.23 67,366 17.57 0.1941
2022-12-01 2022-09-30 13F/A-1 GARTNER COM 366651107 207,093 -36,326 -14.92 57,301 -2.66 0.1852
2022-10-27 2022-09-30 13F GARTNER COM 366651107 207,093 -36,326 57,301 0.1827
2022-12-01 2022-06-30 13F/A-1 GARTNER COM 366651107 243,419 684 0.28 58,866 -18.48 0.1829
2022-07-27 2022-06-30 13F GARTNER COM 366651107 243,419 684 58,866 0.1803
2022-12-01 2022-03-31 13F/A-1 GARTNER COM 366651107 242,735 5,840 2.47 72,207 -8.83 0.1701
2022-04-26 2022-03-31 13F GARTNER COM 366651107 242,735 5,840 72,207 0.1680
2022-12-01 2021-12-31 13F/A-1 GARTNER COM 366651107 236,895 92,015 63.51 79,198 79.89 0.1686
2022-01-31 2021-12-31 13F GARTNER COM 366651107 236,895 92,015 79,198 0.1665
2022-12-01 2021-09-30 13F/A-1 GARTNER COM 366651107 144,880 8,456 6.20 44,026 33.25 0.0976
2021-10-20 2021-09-30 13F GARTNER COM 366651107 144,880 8,456 44,026 0.0964
2022-12-01 2021-06-30 13F/A-1 GARTNER COM 366651107 136,424 82,973 155.23 33,041 238.67 0.0732
2021-07-28 2021-06-30 13F GARTNER COM 366651107 136,424 82,973 33,041 0.0722
2022-12-01 2021-03-31 13F/A-1 GARTNER COM 366651107 53,451 4,118 8.35 9,756 23.49 0.0240
2021-04-23 2021-03-31 13F GARTNER COM 366651107 53,451 4,118 9,756 0.0237
2022-12-01 2020-12-31 13F/A-1 GARTNER COM 366651107 49,333 46,338 1,547.18 7,900 2,012.30 0.0208
2021-01-28 2020-12-31 13F GARTNER COM 366651107 49,333 46,338 7,900 0.0205
2021-01-19 2020-09-30 13F/A-1 GARTNER COM 366651107 2,995 -299 -9.08 374 -6.50 0.0012
2020-10-29 2020-09-30 13F GARTNER COM 366651107 2,995 -299 374 1,155.0337
2021-01-19 2020-06-30 13F/A-1 GARTNER COM 366651107 3,294 492 17.56 400 43.37 0.0014
2020-07-20 2020-06-30 13F GARTNER COM 366651107 3,294 492 400 1,357.2713
2021-01-19 2020-03-31 13F/A-1 GARTNER COM 366651107 2,802 0 0.00 279 -35.42 0.0011
2020-04-30 2020-03-31 13F GARTNER COM 366651107 2,802 0 279 1,118.2949
2021-01-19 2019-12-31 13F/A-1 GARTNER COM 366651107 2,802 -653 -18.90 432 -12.55 0.0014
2020-02-06 2019-12-31 13F GARTNER COM 366651107 2,802 -653 432 1,381.7188
2021-01-19 2019-09-30 13F/A-1 GARTNER COM 366651107 3,455 917 36.13 494 21.38 0.0017
2019-10-17 2019-09-30 13F GARTNER COM 366651107 3,455 917 494 1,741.5532
2021-01-19 2019-06-30 13F/A-1 GARTNER COM 366651107 2,538 -7,515 -74.75 407 -73.33 0.0014
2019-07-19 2019-06-30 13F GARTNER COM 366651107 2,538 -7,515 407 1,435.1885
2021-01-19 2019-03-31 13F/A-1 GARTNER COM 366651107 10,053 3,331 49.55 1,526 77.65 0.0056
2019-05-02 2019-03-31 13F GARTNER COM 366651107 10,053 3,331 1,526 5,602.9291
2021-01-19 2018-12-31 13F/A-1 GARTNER COM 366651107 6,722 2,708 67.46 859 35.06 0.0039
2019-02-08 2018-12-31 13F GARTNER COM 366651107 6,722 2,708 859 3,850.4249
2021-01-19 2018-09-30 13F/A-1 GARTNER COM 366651107 4,014 1,993 98.61 636 137.31 0.0025
2018-10-25 2018-09-30 13F GARTNER COM 366651107 3,937 1,916 624
2021-01-19 2018-06-30 13F/A-1 GARTNER COM 366651107 2,021 0 0.00 268 12.61 0.0012
2018-08-03 2018-06-30 13F GARTNER COM 366651107 2,021 0 268
2021-01-19 2018-03-31 13F/A-1 GARTNER COM 366651107 2,021 0 0.00 238 -4.42 0.0011
2018-05-07 2018-03-31 13F GARTNER COM 366651107 2,021 0 238 1,113.0147
2021-01-19 2017-12-31 13F/A-1 GARTNER COM 366651107 2,021 491 32.09 249 31.05 0.0013
2018-01-25 2017-12-31 13F GARTNER COM 366651107 2,021 491 249
2021-01-19 2017-09-30 13F/A-1 GARTNER COM 366651107 1,530 -1,157 -43.06 190 -42.60 0.0012
2017-10-17 2017-09-30 13F GARTNER COM 366651107 1,530 -1,157 190 1,177.1167
2021-01-19 2017-06-30 13F/A-1 GARTNER COM 366651107 2,687 -10,071 -78.94 331 -75.98 0.0021
2017-08-07 2017-06-30 13F GARTNER COM 366651107 2,687 -10,071 331 2,155.0766
2021-01-19 2017-03-31 13F/A-1 GARTNER COM 366651107 12,758 -1,957 -13.30 1,378 -7.39 0.0092
2017-05-15 2017-03-31 13F GARTNER COM 366651107 12,758 -1,957 1,378 9,152.5928
2017-02-09 2016-12-31 13F GARTNER COM 366651107 14,715 8,882 152.27 1,488 188.37 0.0116
2016-11-07 2016-09-30 13F GARTNER COM 366651107 5,833 5,833 516 0.0038
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.