Gartner, Inc.
US ˙ NYSE ˙ US3666511072

SecurityIT / Gartner, Inc.
InstitutionHolocene Advisors, LP
Latest Disclosed Ownership37,709 shares
Latest Disclosed Value $ 5,970,843
Holocene Advisors, LP reports 39.94% increase in ownership of IT / Gartner, Inc.

On May 15, 2026 - Holocene Advisors, LP filed a 13F-HR form disclosing ownership of 37,709 shares of Gartner, Inc. (US:IT) valued at $5,970,843 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 26,947 shares of Gartner, Inc.. This represents a change in shares of 39.94% during the quarter. The current value of the position is $6,212,558 USD.

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)
2026-05-15 2026-03-31 13F GARTNER COM 366651107 37,709 10,762 39.94 5,971 -12.18 0.0144
2026-02-17 2025-12-31 13F GARTNER COM 366651107 26,947 486 1.84 6,798 -2.26 0.0143
2025-11-14 2025-09-30 13F GARTNER COM 366651107 26,461 -3,303 -11.10 6,956 -42.19 0.0158
2025-08-14 2025-06-30 13F GARTNER COM 366651107 29,764 14,711 97.73 12,031 90.42 0.0294
2025-05-15 2025-03-31 13F GARTNER COM 366651107 15,053 12,800 568.13 6,318 479.10 0.0184
2025-02-14 2024-12-31 13F GARTNER COM 366651107 2,253 2,253 1,092 0.0035
2021-11-15 2021-09-30 13F GARTNER COM 366651107 0 -1,045 -100.00 0 -100.00
2021-08-16 2021-06-30 13F GARTNER COM 366651107 1,045 1,045 253 0.0014
2021-02-16 2020-12-31 13F GARTNER COM 366651107 0 -10,238 -100.00 0 -100.00
2020-11-16 2020-09-30 13F GARTNER COM 366651107 10,238 6,481 172.50 1,279 180.48 0.0097
2020-08-14 2020-06-30 13F GARTNER COM 366651107 3,757 3,757 -63.30 456 -64.35 0.0040
2020-05-15 2020-03-31 13F GARTNER COM 366651107 0 -1,018,750 -100.00 0 -100.00
2020-02-14 2019-12-31 13F GARTNER COM 366651107 1,018,750 958,886 1,601.77 156,989 1,733.98 1.4069
2019-11-14 2019-09-30 13F GARTNER COM 366651107 59,864 59,864 8,560 0.0881
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.