BeStock  

Rapid7 RPD

US equityMarket cap rank #3372Software - InfrastructureCybersecurity
$12.49 +$0.22 (+1.79%)
Pre-market · Oct 8, 8:20 am ET · After hours $12.59 +0.80%
Open$12.02
Prev close$12.27
Day range$11.88 – $12.67
Volume2.46M
Market cap$841.83M
P/E (TTM)40.3
Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership104.1%-0.79 pts vs. prior quarter
Institutions holding295+1 vs. prior quarter
Insider trades (recent)26 buys / 21 sellsNet buying
Short interest11.46% of floatDays to cover 3.6 · as of 15 Sep 2026
Short-sale volume share28.0%5-day average of daily volume

Short-sale volume as % of daily volume

15%27%39%52%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$5.39M (7 inflow days, 13 outflow days).

Net flow by order size, last 20 sessions

−$3.0MSuper−$2.4MBig−$1.3MMid−$1.7MSmall

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 40.1% of shares outstanding.

Largest holders

  • BlackRock13.37%
  • Jana Partners Management, LP10.01%
  • UBS Asset Management6.03%
  • Vanguard Portfolio Management, LLC5.97%
  • Vanguard Capital Management, LLC4.69%
  • Two Sigma Investments, LP4.03%
  • State Street Global Advisors3.74%
  • Acadian Asset Management LLC3.52%

By investor type

  • Mutual Fund68.04%
  • Hedge Fund28.53%
  • Public Company3.85%
  • Private Company2.98%
  • Individual/Insider1.94%
  • Government Pension Fund0.24%
  • Insurance Company0.20%
  • VC/PE Fund0.12%

Reported short interest has risen from 10.88% to 11.46% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

HolderTypePeriodShare changeNew stake
BlackRock Mutual Fund 2026/Q3 +2,427,309 13.4%
D. E. Shaw & Co., L.P. Hedge Fund 2026/Q3 +1,274,802 2.2%
AQR Capital Management Hedge Fund 2026/Q3 +1,157,777 2.8%
Arrowstreet Capital, Limited Partnership Mutual Fund 2026/Q3 +1,021,758 1.5%
Citadel Advisors LLC Hedge Fund 2026/Q3 +898,891 2.2%
Goldman Sachs Asset Management, L.P. Mutual Fund 2026/Q3 +690,950 1.6%
Acadian Asset Management LLC Mutual Fund 2026/Q3 +604,147 3.5%
Jacobs Levy Equity Management Inc Mutual Fund 2026/Q3 +498,270 1.8%
Two Sigma Investments, LP Hedge Fund 2026/Q3 +484,461 4.0%
Creative Planning, Inc. Mutual Fund 2026/Q3 +451,508 1.0%
State Street Global Advisors Mutual Fund 2026/Q3 +405,634 3.7%
UBS Asset Management Mutual Fund 2026/Q3 +351,120 6.0%
Bank of America Corporation Public Company 2026/Q3 +312,415 1.3%
Renaissance Technologies Corp. Hedge Fund 2026/Q3 +277,900 0.6%
Eaton Vance Management Mutual Fund 2026/Q3 +275,066 1.1%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

DateInsiderTitleTransactionSharesPriceHeld after
1 Sep 2026 Michael Burns Director Intent to Sell (Form 144) -13,190 $11.13 –
1 Sep 2026 Michael Burns Director Intent to Sell (Form 144) -5,000 $11.35 –
31 Aug 2026 Julian Waits Senior Vice President of Business & Corporate Development Initial Statement of Beneficial +0 – 23,849
31 Aug 2026 Maria Barrett Director Other Acquisition +34,909 – 34,909
14 Aug 2026 Corey Thomas Chairperson & CEO Sale to Issuer -7,726 $13.00 746,473
14 Aug 2026 Scott Murphy Chief Accounting Officer Sale to Issuer -1,060 $13.00 9,818
14 Jul 2026 Scott Murphy Chief Accounting Officer Sale to Issuer -344 $12.25 9,161
14 Jun 2026 Wael Mohamed Director Other Acquisition +841,515 – 851,421
14 Jun 2026 Wael Mohamed Director Other Derivative Acquisition +2,125,000 – 2,125,000
8 Jun 2026 Benjamin Holzman Independent Director Other Acquisition +15,208 – 15,208
8 Jun 2026 Judy Bruner Independent Director Other Acquisition +15,208 – 15,208
8 Jun 2026 Jeffrey Kalowski Former Chief Financial Officer Other Acquisition +57,390 – 57,390
8 Jun 2026 J. Benjamin Nye Lead Independent Director Other Acquisition +15,208 – 15,640
8 Jun 2026 Wael Mohamed Director Sale to Issuer -397 $7.10 15,800
8 Jun 2026 Michael Berry Independent Director Other Acquisition +8,420 – 26,170
8 Jun 2026 Michael Berry Independent Director Other Disposition -8,420 – 26,170
8 Jun 2026 Michael Burns Director Other Acquisition +15,208 – 25,114
8 Jun 2026 Thomas Schodorf Independent Director Other Acquisition +15,208 – 15,208
8 Jun 2026 Marc Brown Independent Director Other Acquisition +15,208 – 15,208
8 Jun 2026 Kevin Galligan Director Other Acquisition +15,208 – 25,421

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 7,720,792 11.5% 3.6
31 Aug 2026 7,237,028 10.7% 4.8
14 Aug 2026 7,979,305 11.8% 2.9
31 Jul 2026 7,626,312 11.4% 3.3
15 Jul 2026 7,867,859 11.8% 2.2
30 Jun 2026 7,271,188 10.9% 3.1

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