Institutional Ownership
Rapid7 Inc
CUSIP 753422104COMRPDQ1 2026
13D / 13G Filings
42
Schedule 13D/13G on record
Beneficial Filers
12
Distinct reporting persons
Largest Stake
14.2%
Max % of class reported
Institutional Holders
234
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
42 filings · latest Jan 30, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Jan 30, 2026 | The Vanguard Group | 13G/A | 14.2% | 9.27M | SEC |
| 2 | Oct 17, 2025 | Blackrock, Inc. | 13G/A | 9.1% | 5.91M | SEC |
| 3 | Aug 13, 2025 | Jana Partners Management, LP | 13D/A | 10.1% | — | SEC |
| 4 | Jul 29, 2025 | Ubs Group AG | 13G/A | — | — | SEC |
| 5 | Jul 29, 2025 | The Vanguard Group | 13G/A | 12.5% | 8.02M | SEC |
| 6 | May 12, 2025 | Fmr LLC | 13G/A | 1.6% | 1.02M | SEC |
| 7 | May 1, 2025 | Ubs Group AG | 13G/A | 5.2% | 3.35M | SEC |
| 8 | Apr 21, 2025 | Jana Partners Management, LP | 13D/A | 8.0% | — | SEC |
| 9 | Apr 10, 2025 | Jana Partners Management, LP | 13D/A | 7.7% | — | SEC |
| 10 | Mar 24, 2025 | Jana Partners Management, LP | 13D/A | 6.0% | — | SEC |
32 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Rapid7 Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Jana Partners Management, LP | 6.74M | $37.16M |
| 2 | Blackrock, Inc. | 6.59M | $36.29M |
| 3 | Ubs Group AG | 3.07M | $16.94M |
| 4 | Two Sigma Investments, LP | 2.23M | $12.31M |
| 5 | State Street Corp | 2.11M | $11.64M |
| 6 | Geode Capital Management, LLC | 1.43M | $7.88M |
| 7 | Mirae Asset Global Etfs Holdings Ltd. | 1.40M | $7.73M |
| 8 | Alyeska Investment Group, L.P. | 1.13M | $6.24M |
| 9 | Millennium Management LLC | 938.5K | $5.17M |
| 10 | Marshall Wace, LLP | 923.6K | $5.09M |