GARTNER INC COM (IT): Institutional Ownership
Hedge funds and institutional managers reporting a position in IT · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
25
13F filers
Aggregate Value
$968.4M
Across holders
Last Price
$134.96
2026-06-26
Sector
Information Technology
GICS
Holder activity7 new14 added4 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| HARRIS ASSOCIATES L P CIK 0000813917 | Institutional Manager | 3.14M | $496.5M | 51.3% | 0.7% | Added | +$343.9M | Q1 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 1.13M | $178.5M | 18.4% | 0.1% | Added | +$130.1M | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 356K | $89.9M | 9.3% | 0.1% | New | — | Q4 2025 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 314K | $49.7M | 5.1% | 0.2% | Added | +$24.7M | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 305K | $48.3M | 5.0% | 0.1% | Added | +$35.9M | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 172K | $27.2M | 2.8% | 0.0% | Added | +$21.9M | Q1 2026 |
| PRIMECAP MANAGEMENT CO/CA/ CIK 0000763212 | Institutional Manager | 117K | $18.6M | 1.9% | 0.0% | Added | +$934K | Q1 2026 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 49K | $12.4M | 1.3% | 0.0% | Reduced | $-2.7M | Q4 2025 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 70K | $11.0M | 1.1% | 0.0% | Added | +$9.2M | Q1 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 41K | $6.5M | 0.7% | 0.0% | Reduced | $-3.8M | Q1 2026 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 38K | $6.0M | 0.6% | 0.0% | Added | +$1.7M | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 21K | $3.3M | 0.3% | 0.0% | Added | +$3.1M | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 16K | $2.6M | 0.3% | 0.0% | Added | +$2.6M | Q1 2026 |
| CAXTON ASSOCIATES LLP CIK 0002051323 | Hedge Fund | 16K | $2.5M | 0.3% | 0.1% | Added | +$491K | Q1 2026 |
| Grantham, Mayo, Van Otterloo & Co. LLC CIK 0001352662 | Institutional Manager | 16K | $2.5M | 0.3% | 0.0% | New | — | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 16K | $2.5M | 0.3% | 0.0% | Reduced | $-19.7M | Q1 2026 |
| MARKEL CORP (MKL) CIK 0001096343 | Hedge Fund | 6K | $2.3M | 0.2% | 0.0% | New | — | Q2 2025 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 12K | $1.9M | 0.2% | 0.0% | Added | +$1.7M | Q1 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 6K | $1.7M | 0.2% | 0.0% | New | — | Q3 2025 |
| Ancora Advisors, LLC CIK 0001446114 | Hedge Fund | 9K | $1.4M | 0.1% | 0.0% | Reduced | $-24K | Q1 2026 |
Added
Institutional Manager
$496.5M· 51.3% of total· 0.7% port· 3.14M sh· +$343.9M QoQ· Q1 2026
Added
Hedge Fund
$178.5M· 18.4% of total· 0.1% port· 1.13M sh· +$130.1M QoQ· Q1 2026
New
Hedge Fund
$89.9M· 9.3% of total· 0.1% port· 356K sh· — QoQ· Q4 2025
Added
Hedge Fund
$49.7M· 5.1% of total· 0.2% port· 314K sh· +$24.7M QoQ· Q1 2026
Added
Hedge Fund
$48.3M· 5.0% of total· 0.1% port· 305K sh· +$35.9M QoQ· Q1 2026
Added
Hedge Fund
$27.2M· 2.8% of total· 0.0% port· 172K sh· +$21.9M QoQ· Q1 2026
Added
Institutional Manager
$18.6M· 1.9% of total· 0.0% port· 117K sh· +$934K QoQ· Q1 2026
Reduced
Hedge Fund
$12.4M· 1.3% of total· 0.0% port· 49K sh· $-2.7M QoQ· Q4 2025
Added
Hedge Fund
$11.0M· 1.1% of total· 0.0% port· 70K sh· +$9.2M QoQ· Q1 2026
Reduced
Hedge Fund
$6.5M· 0.7% of total· 0.0% port· 41K sh· $-3.8M QoQ· Q1 2026
Added
Hedge Fund
$6.0M· 0.6% of total· 0.0% port· 38K sh· +$1.7M QoQ· Q1 2026
Added
Hedge Fund
$3.3M· 0.3% of total· 0.0% port· 21K sh· +$3.1M QoQ· Q1 2026
Added
Hedge Fund
$2.6M· 0.3% of total· 0.0% port· 16K sh· +$2.6M QoQ· Q1 2026
Added
Hedge Fund
$2.5M· 0.3% of total· 0.1% port· 16K sh· +$491K QoQ· Q1 2026
New
Institutional Manager
$2.5M· 0.3% of total· 0.0% port· 16K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$2.5M· 0.3% of total· 0.0% port· 16K sh· $-19.7M QoQ· Q1 2026
New
Hedge Fund
$2.3M· 0.2% of total· 0.0% port· 6K sh· — QoQ· Q2 2025
Added
Hedge Fund
$1.9M· 0.2% of total· 0.0% port· 12K sh· +$1.7M QoQ· Q1 2026
New
Hedge Fund
$1.7M· 0.2% of total· 0.0% port· 6K sh· — QoQ· Q3 2025
Reduced
Hedge Fund
$1.4M· 0.1% of total· 0.0% port· 9K sh· $-24K QoQ· Q1 2026
Added
Hedge Fund
$1.4M· 0.1% of total· 0.0% port· 9K sh· +$1.3M QoQ· Q1 2026
New
Hedge Fund
$580K· 0.1% of total· 0.0% port· 2K sh· — QoQ· Q4 2025
Added
Hedge Fund
$491K· 0.1% of total· 0.0% port· 3K sh· +$80K QoQ· Q1 2026
New
Hedge Fund
$343K· 0.0% of total· 0.0% port· 1K sh· — QoQ· Q4 2025
New
Hedge Fund
$250K· 0.0% of total· 0.0% port· 950 sh· — QoQ· Q3 2025
1–20 of 25
1 / 2