ERII ENERGY RECOVERY INC

Ownership history in BROWN CAPITAL MANAGEMENT LLC  ·  12 quarters on record

AI Ownership Summary

BROWN CAPITAL MANAGEMENT LLC reported ENERGY RECOVERY INC (ERII) in 12 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 1.31% in 2024 Q3. The latest visible filing shows ERII at 0.85% 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 ERII ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was BROWN CAPITAL MANAGEMENT LLC's position in ENERGY RECOVERY 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 Q4

ERII was reported at 0.85% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.31% in 2024 Q3

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

Time in book
Holding Window
2023 Q4 to 2025 Q4

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 BROWN CAPITAL MANAGEMENT LLC held ERII — position size vs. price
% of Fund (quarterly)    ERII price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 9 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 764,793 -838,189 -52.3% 0.85% $10.3M 2026-02-14 (Est.) $15.60
2025 Q3 REDUCED 1,602,982 -876,312 -35.3% 1.02% $24.7M 2025-11-04 $16.41
2025 Q2 REDUCED 2,479,294 -116,657 -4.5% 0.92% $31.7M 2025-08-13 $14.62
2025 Q1 REDUCED 2,595,951 -323,502 -11.1% 1.24% $41.2M 2025-05-15 $12.28
2024 Q4 REDUCED 2,919,453 -589,316 -16.8% 0.99% $42.9M 2025-02-14 $15.29
2024 Q3 REDUCED 3,508,769 -312,855 -8.2% 1.31% $61.0M 2024-11-12 $19.43
2024 Q2 REDUCED 3,821,624 -362,180 -8.7% 1.03% $50.8M 2024-08-12 $16.60
2024 Q1 REDUCED 4,183,804 -173,159 -4.0% 1.17% $66.1M 2024-05-15 $14.09
2023 Q4 ADDED 4,356,963 +1,711,129 +64.7% 1.23% $82.1M 2024-02-14 $15.80
3 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About BROWN CAPITAL MANAGEMENT LLC and ERII

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

How long has BROWN CAPITAL MANAGEMENT LLC reported owning ERII?

BROWN CAPITAL MANAGEMENT LLC reported ERII across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported ERII position in BROWN CAPITAL MANAGEMENT LLC's portfolio?

The largest reported portfolio weight for ERII was 1.31% in 2024 Q3.

What is the latest reported ERII position on this page?

The most recent filing on this page is 2025 Q4, when BROWN CAPITAL MANAGEMENT LLC reported 764,793 shares, equal to 0.85% of portfolio, with an estimated market value of $10.3M.

What does the chart on this ERII ownership page compare?

The chart compares BROWN CAPITAL MANAGEMENT LLC's quarterly ERII 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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