BRENNAN JOHN F JR reported D PERKINELMER INC COM STK COMMON STOCK (RVTY) in 2 quarterly 13F filings .
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.
This page is designed to answer the real investor question behind a 13F filing: how meaningful was BRENNAN JOHN F JR's position in D PERKINELMER INC COM STK COMMON STOCK, 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.
See the most recent quarter where the fund disclosed this position.
Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.
Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.
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.
As of 2026 Q1 — sorted by position size
These are the practical questions this page is built to answer before you even open the full history table.
BRENNAN JOHN F JR reported RVTY across 0 quarterly 13F filings.
This page shows the quarter-by-quarter portfolio weight history for RVTY in BRENNAN JOHN F JR.
The most recent filing on this page is 2000 Q3, when BRENNAN JOHN F JR reported 125,200 shares, equal to 1.11% of portfolio, with an estimated market value of $13.1M.
The chart compares BRENNAN JOHN F JR's quarterly RVTY 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.