RPD RAPID7 INC

Ownership history in CastleKnight Management LP  ·  11 quarters on record

AI Ownership Summary

CastleKnight Management LP reported RAPID7 INC (RPD) in 11 quarterly 13F filings from 2023 Q3 through 2025 Q3. Peak portfolio weight reached 0.06% in 2023 Q3. The latest visible filing shows RPD at 0.01% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this RPD ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CastleKnight Management LP's position in RAPID7 INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q3

RPD was reported at 0.01% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.06% in 2023 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q3 to 2025 Q3

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How CastleKnight Management LP held RPD — position size vs. price
% of Fund (quarterly)    RPD price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 9 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 UNCHANGED 15,500 0% 0.01% $291K 2025-11-14 $14.03
2025 Q2 UNCHANGED 15,500 0% 0.01% $359K 2025-08-14 $20.94
2025 Q1 UNCHANGED 15,500 0% 0.02% $411K 2025-05-15 $23.55
2024 Q4 UNCHANGED 15,500 0% 0.02% $624K 2025-02-14 $35.55
2024 Q3 UNCHANGED 15,500 0% 0.03% $618K 2024-11-14 $40.71
2024 Q2 UNCHANGED 15,500 0% 0.03% $670K 2024-08-14 $36.57
2024 Q1 UNCHANGED 15,500 0% 0.05% $760K 2024-05-15 $39.38
2023 Q4 REDUCED 15,500 -3,300 -17.6% 0.05% $885K 2024-02-14 $60.60
2023 Q3 ADDED 18,800 +11,025 +141.8% 0.06% $861K 2023-11-14 $53.38
2 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About CastleKnight Management LP and RPD

These are the practical questions this page is built to answer before you even open the full history table.

How long has CastleKnight Management LP reported owning RPD?

CastleKnight Management LP reported RPD across 9 quarterly 13F filings, from 2023 Q3 through 2025 Q3.

What was the largest reported RPD position in CastleKnight Management LP's portfolio?

The largest reported portfolio weight for RPD was 0.06% in 2023 Q3.

What is the latest reported RPD position on this page?

The most recent filing on this page is 2025 Q3, when CastleKnight Management LP reported 15,500 shares, equal to 0.01% of portfolio, with an estimated market value of $291K.

What does the chart on this RPD ownership page compare?

The chart compares CastleKnight Management LP's quarterly RPD portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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