PINNACLE ASSOCIATES LTD ERII — ENERGY RECOVERY INC

Ownership history in PINNACLE ASSOCIATES LTD  ·  22 quarters on record

AI Ownership Summary

PINNACLE ASSOCIATES LTD reported ENERGY RECOVERY INC (ERII) in 22 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 0.08% in 2025 Q3. The latest visible filing shows ERII at 0.04% 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 PINNACLE ASSOCIATES LTD'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
2026 Q1

ERII was reported at 0.04% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.08% in 2025 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 2026 Q1

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.

ERII stock page PINNACLE ASSOCIATES LTD fund profile PINNACLE ASSOCIATES LTD full holdings
How PINNACLE ASSOCIATES LTD held ERII — position size vs. price
% of Fund (quarterly)    ERII price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 342,407 -37,823 -9.9% 0.04% $3.4M 2026-04-22 $10.81
2025 Q4 REDUCED — — — 380,230 -19,106 -4.8% 0.07% $5.1M 2026-02-05 $15.11
2025 Q3 ADDED — — — 399,336 +165 +0.0% 0.08% $6.2M 2025-11-13 $14.53
2025 Q2 ADDED — — — 399,171 +119,445 +42.7% 0.07% $5.1M 2025-08-04 $13.33
2025 Q1 REDUCED — — — 279,726 -11,200 -3.8% 0.07% $4.4M 2025-05-06 $14.88
2024 Q4 ADDED — — — 290,926 +280,701 +2745.2% 0.06% $4.3M 2025-02-14 $15.29
2024 Q3 UNCHANGED — — — 10,225 — 0% 0.00% $193K 2024-10-25 $17.82
2023 Q4 REDUCED — — — 10,225 -500 -4.7% 0.00% $193K 2024-01-19 $16.55
14 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ERII

As of 2026 Q1 — sorted by position size

Kopion Asset Management, LLC 3Y 3.97% Miller Global Investments, LLC 0.23% NJ State Employees Deferred Compensation Plan 3Y 7Y 0.1% Raiffeisen Bank International AG 0.05% Inspire Investing, LLC 3Y 7Y 0.04% Conestoga Capital Advisors, LLC 3Y 7Y 0.03% Linden Thomas Advisory Services, LLC 3Y 0.02% Clear Creek Financial Management, LLC 3Y 0.02% Founders Capital Management 3Y 7Y 0.01% SG Americas Securities, LLC 3Y 7Y 0.0%

FAQ About PINNACLE ASSOCIATES LTD and ERII

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

How long has PINNACLE ASSOCIATES LTD reported owning ERII?

PINNACLE ASSOCIATES LTD reported ERII across 8 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported ERII position in PINNACLE ASSOCIATES LTD's portfolio?

The largest reported portfolio weight for ERII was 0.08% in 2025 Q3.

What is the latest reported ERII position on this page?

The most recent filing on this page is 2026 Q1, when PINNACLE ASSOCIATES LTD reported 342,407 shares, equal to 0.04% of portfolio, with an estimated market value of $3.4M.

What does the chart on this ERII ownership page compare?

The chart compares PINNACLE ASSOCIATES LTD'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.

How well did PINNACLE ASSOCIATES LTD time their ERII position?

Based on 13F filing dates vs. subsequent ERII price moves, PINNACLE ASSOCIATES LTD correctly timed 9 out of 14 reported position changes (64%). The annualised alpha on ERII relative to SPY over the holding period was -5.0%.

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