Latest Period
Q1 2026
Security Snapshot
Rapid7, Inc. - Common Stock (RPD) Institutional Ownership
CUSIP: 753422104
13F Institutional Holders and Ownership History from Q3 2015 to Q1 2026
Institutions Reporting
240
Shares (Excl. Options)
61,201,913
Price
$5.51
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- Security type / class
- Equity / Common Stock
- Symbol
- RPD on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 61,201,913
- Total 13F value
- $337,307,013
- Portfolio coverage rank
- 0%
- Share change
- -997,939
- Value change
- -$103,091,094
- Number of holders
- 240
- Shares outstanding
- 65,954,874
- SEC-reported price per share
- $6.57
- Insider filing price
- $6.57
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- RPD - Rapid7, Inc. - Common Stock is tracked under CUSIP 753422104.
- 240 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 227 to 240 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $961,991,519 to $337,307,013.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 240 institutions filings for Q1 2026.
Security key
753422104
Latest holder period
Q1 2026
13F holders
240
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
RPD full holder history
Rapid7, Inc. SEC filings
Rapid7, Inc. company facts
Rapid7, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 753422104:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
RPD
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| JANA Partners Management, LP | 10% | +2% | $41,372,112 | +$1,478,255 | 6,760,149 | +3.7% | JANA Partners Management, LP | 26 Mar 2026 |
| BlackRock, Inc. | 9.1% | $110,886,525 | 5,913,948 | BlackRock, Inc. | 30 Sep 2025 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8.3% | $30,199,484 | 5,480,850 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| Point72 Asset Management, L.P. | 2.4% | $36,462,076 | 1,502,971 | Point72 Asset Management, L.P. | 31 Dec 2024 | |||
| FMR LLC | 1.6% | $24,627,720 | 1,015,157 | FMR LLC | 31 Mar 2025 |
As of 31 Mar 2026, 240 institutional investors reported holding 61,201,913 shares of Rapid7, Inc. - Common Stock (RPD). This represents 93% of the company’s total 65,954,874 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
70%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| JANA Partners Management, LP | 10% | 6,743,653 | 0% | 2.3% | $37,157,528 |
| BlackRock, Inc. | 10% | 6,585,310 | +0.63% | 0% | $36,285,060 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.8% | 5,164,572 | 0% | 0% | $28,456,792 |
| UBS Group AG | 4.7% | 3,073,841 | +3.5% | 0% | $16,936,865 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.1% | 2,676,030 | 0% | 0% | $14,744,925 |
| TWO SIGMA INVESTMENTS, LP | 3.4% | 2,233,928 | +193% | 0.01% | $12,308,943 |
| STATE STREET CORP | 3.2% | 2,112,058 | +14% | 0% | $11,637,440 |
| ACADIAN ASSET MANAGEMENT LLC | 2.7% | 1,766,468 | +285% | 0.01% | $9,722,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 1,429,648 | -2.3% | 0% | $7,878,928 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.1% | 1,403,799 | +7.4% | 0.01% | $7,734,129 |
| Alyeska Investment Group, L.P. | 1.7% | 1,133,348 | -5% | 0.02% | $6,244,747 |
| CANADA LIFE ASSURANCE Co | 1.6% | 1,079,607 | +47% | 0.01% | $5,949,000 |
| LSV ASSET MANAGEMENT | 1.4% | 946,297 | -3.7% | 0.01% | $5,214,000 |
| MILLENNIUM MANAGEMENT LLC | 1.4% | 938,460 | -4.4% | 0% | $5,170,915 |
| MARSHALL WACE, LLP | 1.4% | 923,594 | -34% | 0.01% | $5,089,003 |
| Point72 Asset Management, L.P. | 1.4% | 905,181 | +104% | 0.01% | $4,987,547 |
| JANE STREET GROUP, LLC | 1.4% | 890,924 | +661% | 0.01% | $4,908,991 |
| MORGAN STANLEY | 1.3% | 847,961 | +9% | 0% | $4,672,265 |
| SG Americas Securities, LLC | 1.2% | 817,649 | +35% | 0% | $4,505,000 |
| GOLDMAN SACHS GROUP INC | 1.2% | 788,805 | +38% | 0% | $4,346,316 |
| Qube Research & Technologies Ltd | 1.1% | 756,164 | +202% | 0.01% | $4,166,464 |
| AQR CAPITAL MANAGEMENT LLC | 1.1% | 731,278 | +135% | 0% | $4,029,342 |
| HRT FINANCIAL LP | 1.1% | 720,495 | +5049% | 0.01% | $3,969,000 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 1% | 692,301 | -42% | 0.02% | $3,814,579 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.97% | 641,467 | -55% | 0% | $3,534,484 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
43
Latest
Q1 2026
Rows shown
1-25 of 43
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 61,201,913 | $337,307,013 | -$103,091,094 | $5.51 | 240 |
| 2025 Q4 | 63,286,152 | $961,991,519 | +$22,402,577 | $15.20 | 227 |
| 2025 Q3 | 61,678,576 | $1,157,007,718 | -$43,015,675 | $18.75 | 230 |
| 2025 Q2 | 63,414,759 | $1,466,878,260 | +$22,218,682 | $23.13 | 235 |
| 2025 Q1 | 62,112,520 | $1,646,686,925 | +$3,502,730 | $26.51 | 251 |
| 2024 Q4 | 60,778,388 | $2,445,062,415 | -$11,743,268 | $40.23 | 271 |
| 2024 Q3 | 60,984,001 | $2,431,843,975 | -$90,800,722 | $39.89 | 256 |
| 2024 Q2 | 62,907,881 | $2,719,812,913 | +$54,199,626 | $43.23 | 271 |
| 2024 Q1 | 60,857,842 | $2,975,379,869 | -$9,445,695 | $49.04 | 294 |
| 2023 Q4 | 60,653,286 | $3,463,947,210 | +$51,897,798 | $57.10 | 298 |
| 2023 Q3 | 60,009,335 | $2,748,219,482 | +$43,300,779 | $45.78 | 288 |
| 2023 Q2 | 59,213,226 | $2,681,592,856 | +$30,713,695 | $45.28 | 284 |
| 2023 Q1 | 58,851,094 | $2,701,532,652 | +$45,902,790 | $45.91 | 278 |
| 2022 Q4 | 58,461,294 | $1,987,144,343 | -$48,944,654 | $33.98 | 265 |
| 2022 Q3 | 58,750,604 | $2,520,520,269 | -$118,446,687 | $42.90 | 273 |
| 2022 Q2 | 59,788,599 | $3,995,937,503 | +$67,501,847 | $66.80 | 292 |
| 2022 Q1 | 58,715,219 | $6,529,710,666 | +$167,585,717 | $111.24 | 306 |
| 2021 Q4 | 57,356,546 | $6,753,421,255 | -$213,732,989 | $117.69 | 321 |
| 2021 Q3 | 57,286,685 | $6,474,412,171 | +$85,546,810 | $113.02 | 307 |
| 2021 Q2 | 56,569,488 | $5,353,683,920 | +$227,613,030 | $94.63 | 256 |
| 2021 Q1 | 54,533,833 | $4,068,716,341 | -$87,782,771 | $74.61 | 265 |
| 2020 Q4 | 55,030,585 | $4,961,373,379 | +$272,554,140 | $90.16 | 265 |
| 2020 Q3 | 51,690,206 | $3,165,665,703 | +$125,609,606 | $61.24 | 235 |
| 2020 Q2 | 49,749,828 | $2,538,816,162 | +$187,830,028 | $51.02 | 223 |
| 2020 Q1 | 46,361,494 | $2,007,271,927 | +$12,921,039 | $43.33 | 210 |