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RPD · Rapid7, Inc. · Holdings

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$10.31 -0.19 (-1.81%) At close · Sep 11
Market Cap
$694.90M
Shares
67.40M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 239
Total Value: $576,636,198
Total Shares: 71,189,671
Showing 1–100 of 254 holdings by value · page 1 of 3

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 239 13F filers · Δ vs Mar 31, 2026
Top Holder
12.7%
Sep 2023 → Jun 2026 · range 10.6% – 14.2%
+2.1 pts
Top 5
37.4%
Sep 2023 → Jun 2026 · range 33.9% – 45.3%
−0.8 pts
Top 10
53.2%
Sep 2023 → Jun 2026 · range 46.7% – 59.1%
+1.0 pts
HHI
429
Sep 2023 → Jun 2026 · range 376 – 539
Broadly held+20

Quarterly Activity

vs Mar 31, 2026
New
52
Increased
108
Decreased
54
Sold Out
59
Unchanged
25
Holder count: -7
Institutional value: +64.6%
Shares held: +11.9%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 254
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1560327 CUSIP 753422104 13F (30d) 113 filings 113 filers Visit website Investor relations