Gartner, Inc.
Gartner, Inc. (IT) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · IT · as of Mar 31, 2025
Ownership Breakdown
943
Institutional Holders
▼ 24 vs Q4
$30.81B
Total Inst. Value
▼ $4.49B vs Q4
66.95M
Shares Outstanding
freeFloat 96.72%
73.45M
13F Shares Held
▲ 728,596 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
IT largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC services-management services | 9.43M | 12.19% | 12.19% | $3.96T | May 9, 2025 | ▲ 164.8K |
BLACKROCK, INC. services-management services | 6.78M | 8.77% | 8.77% | $2.85T | May 2, 2025 | ▲ 25.3K |
BAMCO INC /NY/ services-management services | 3.77M | 4.88% | 4.88% | $1.58T | May 15, 2025 | ▼ 144.6K |
STATE STREET CORP services-management services | 3.32M | 4.29% | 4.29% | $1.39T | May 15, 2025 | ▼ 7.3K |
FMR LLC services-management services | 3.17M | 4.10% | 4.10% | $1.33T | May 12, 2025 | ▲ 348.0K |
GEODE CAPITAL MANAGEMENT, LLC services-management services | 2.17M | 2.80% | 2.80% | $908.59B | May 13, 2025 | ▲ 104.8K |
PRINCIPAL FINANCIAL GROUP INC services-management services | 2.00M | 2.58% | 2.58% | $838.72B | Apr 28, 2025 | ▼ 14.6K |
MORGAN STANLEY services-management services | 1.96M | 2.54% | 2.54% | $824.60B | May 15, 2025 | ▼ 200.8K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ services-management services | 1.74M | 2.25% | 2.25% | $732.04B | May 2, 2025 | ▼ 1.03M |
GENERATION INVESTMENT MANAGEMENT LLP services-management services | 1.34M | 1.73% | 1.73% | $563.01B | May 15, 2025 | ▲ 189.5K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
29
Increased
+4.47M shares0
New Positions
first time holders21
Decreased
−2.92M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.55M
+4.47M / −2.92M
Net new holders
+8
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
IT insider trading · insider activity
Source: SEC Form 4
21
Buy transactions
10
Sell transactions
2.10
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Kranich Robin B EVP & CHRO | May 29, 2026 | J-Other | 38 | $154.09 | $5.9K | 23.6K | Form 4 ↗ |
Rupani Altaf EVP, Chief Information Officer | May 29, 2026 | J-Other | 23 | $154.09 | $3.5K | 1.2K | Form 4 ↗ |
van Ham Dick EVP, Global Technology Sales | May 29, 2026 | J-Other | 38 | $154.09 | $5.9K | 902 | Form 4 ↗ |
Safian Craig EVP & CFO | May 29, 2026 | J-Other | 22 | $154.09 | $3.4K | 83.1K | Form 4 ↗ |
HALL EUGENE A Chairman and CEO | May 29, 2026 | J-Other | 38 | $154.09 | $5.9K | 1.19M | Form 4 ↗ |
Serra Eileen director | May 28, 2026 | Award | 1,489 | — | — | 1.5K | Form 4 ↗ |
CESAN RAUL E director | May 28, 2026 | Award | 1,489 | — | — | 1.5K | Form 4 ↗ |
BRESSLER RICHARD J director | May 28, 2026 | Award | 1,489 | — | — | 1.5K | Form 4 ↗ |
PAGLIUCA STEPHEN G director | May 28, 2026 | Award | 1,489 | — | — | 1.5K | Form 4 ↗ |
GRABE WILLIAM O director | May 28, 2026 | Award | 1,489 | — | — | 1.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Gartner, Inc. (IT) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 3.28%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Gartner, Inc. is VANGUARD GROUP INC, holding approximately 9.43 million shares — equal to 12.19% of outstanding shares — as of March 31, 2025.
A total of 943 institutional investors currently hold IT stock, with a combined institutional value of approximately $30.81 billion as of the most recent 13F filing period.
Frequently asked questions
IT ownershipGartner, Inc. (IT) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.19% stake. Company insiders hold 3.28%. Data sourced from SEC Form 13F as of March 31, 2025.