// company-profile

Gartner Inc

IT
ExchangeNYSESectorServices-Management ServicesInc.DEFilings519Insiders30
// api This Gartner Inc insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 32 insiders purchased shares. Buying was led by Serra Eileen.

// 90-day insight

Over the last 90 days, Gartner Inc insiders bought $13K (35 transactions) and sold $52K (1 transaction).

  • Most active insider: CESAN RAUL E with 7 transactions totaling $0.
  • Largest single sale: $52K by Kim Thomas Sang on May 4, 2026.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Gartner Inc as of 2026-03-31

↓ decreasing
Total reported AUM
$10.95B
QoQ change
-31.3%
Reporting period
2026-03-31
#1
BAMCO INC /NY/
CIK 1017918
$937.0M
5.9M shares
#2
Independent Franchise Partners LLP
CIK 1483866
$728.5M
4.6M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$707.5M
4.5M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 8, 2026Serra EileenIT
Option Exercise
1,744$0.00$0K
Jun 8, 2026Serra EileenIT
Option Exercise
1,744$0.00$0K
Jun 1, 2026Serra EileenIT
Option Exercise
705$0.00$0K
Jun 1, 2026Serra EileenIT
Option Exercise
705$0.00$0K
May 29, 2026CESAN RAUL EIT
Option Exercise
551$0.00$0K

45 more transactions hidden

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