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Energy Recovery, Inc. (ERII) Total Return Calculator with Dividends Reinvested

Energy Recovery, Inc.

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The total return for Energy Recovery, Inc. (ERII) stock is -27.41% over the past 12 months. So far it's down 17.57% this year. The 5-year total return is -45.65%, meaning $10,000 invested in ERII stock 5 years ago would be worth $5,435 today. Total return includes price appreciation plus reinvesting any dividends paid out.

If you invested $10,000 in ERII 1 year ago, it would be worth $7,802 today — you'd have lost $2,198.

With Dividends Reinvested$7,802-21.98%

Price Only (No DRIP)$7,802-21.98%

Period2025-05-06 → 2026-05-06

Price

Total Return (DRIP)

S&P 500

If You Invested $10,000 in ERII

1Y$7,259-$2,741 (-27.4%)-27.4% CAGR

3Y$4,672-$5,328 (-53.3%)-22.4% CAGR

5Y$5,435-$4,565 (-45.7%)-11.5% CAGR

10Y$10,348+$348 (+3.5%)0.3% CAGR

15Y$39,271+$29,271 (+292.7%)9.5% CAGR

20Y$11,506+$1,506 (+15.1%)0.7% CAGR

30Y$11,506+$1,506 (+15.1%)0.5% CAGR

Energy Recovery, Inc. did not pay dividends during this period. Total return = price return.

Loading ERII total return...

As of 2026-05-06

Returns at a Glance

Period	Total Return	CAGR	Price Only	Div. Contrib.	$10K →
YTD	-17.57%	—	-17.57%	—	$8,243
1Y	-27.41%	-27.41%	-27.41%	—	$7,259
3Y	-53.28%	-22.41%	-53.28%	—	$4,672
5Y	-45.65%	-11.48%	-45.65%	—	$5,435
10Y	+3.48%	0.34%	+3.48%	—	$10,348
15Y	+292.71%	9.55%	+292.71%	—	$39,271
20Y	+15.06%	0.70%	+15.06%	—	$11,506
30Y	+15.06%	0.47%	+15.06%	—	$11,506

Risk & Highlights

Best Year+62.28%2013

Worst Year-49.17%2010

Max Drawdown-47.76%2025-10-24 → 2026-03-20

Annual Returns

Year	Total Return	Price Return	Div.	S&P 500	vs S&P
2026YTD	-23.98%	-23.98%	—	+0.41%	-24.4pp
2025	-9.40%	-9.40%	—	+16.64%	-26.0pp
2024	-22.14%	-22.14%	—	+24.00%	-46.1pp
2023	-8.63%	-8.63%	—	+24.81%	-33.4pp
2022	-4.70%	-4.70%	—	-19.95%	+15.2pp

ERII underperformed the S&P 500 by 55.85pp over the past year (-27.41% vs +28.44%).

Loading summary...

ERII Peers' Total Return

Accurate peer set · 10 comparable names

Name	Mkt Cap	30D Rtn	YTD Total Rtn	1Y Total Rtn	Div Contrib	3Y Total Rtn	5Y Total Rtn	10Y Total Rtn
ERIIEnergy Recovery, Inc.	$597M	+8.5%	-17.6%	-27.4%	—	-53.3%	-45.7%	+3.5%
FELEFranklin Electric Co., Inc.	$4.4B	+6.0%	+3.4%	+15.3%	+1.2pp	+7.9%	+22.0%	+232.9%
PUMPProPetro Holding Corp.	$2.0B	+21.0%	+69.1%	+214.0%	—	+145.7%	+63.3%	+14.6%
HLIOHelios Technologies, Inc.	$2.2B	+3.0%	+24.3%	+145.8%	+1.4pp	+11.3%	-6.2%	+110.5%
PNRPentair plc	$12.6B	-10.0%	-25.7%	-15.2%	+1.1pp	+39.5%	+22.5%	+126.4%
XYLXylem Inc.	$27.7B	-6.0%	-14.8%	-3.5%	+1.3pp	+10.9%	+5.0%	+207.1%
MSEXMiddlesex Water Company	$946M	-3.5%	+2.0%	-12.5%	+2.3pp	-25.7%	-28.3%	+65.0%
CWCOConsolidated Water Co. Ltd.	$523M	-2.3%	-5.0%	+44.4%	+2.4pp	+93.3%	+200.0%	+157.0%
CDZICadiz Inc.	$347M	-10.0%	-20.7%	+59.2%	—	+10.0%	-61.0%	-24.6%
DHRDanaher Corporation	$123.6B	-9.1%	-24.0%	-10.8%	+0.7pp	-17.1%	-20.3%	+220.9%
EMREmerson Electric Co.	$77.8B	+4.3%	+2.3%	+29.7%	+2.0pp	+71.5%	+63.8%	+199.5%

Compare:ERII vs FELE ERII vs PUMP ERII vs HLIO ERII vs FELE vs PUMP

About ERII Dividend Returns

Energy Recovery, Inc. (ERII) does not currently pay dividends. Many growth-focused companies reinvest profits back into the business rather than distributing them as dividends.

How We Calculate Total Return

Our total return calculator simulates dividend reinvestment (DRIP) by assuming each dividend payment is used to purchase additional shares at the closing price on the ex-dividend date. This methodology provides an accurate representation of how a dividend reinvestment plan would perform.

Frequently Asked Questions

Q1What is the total return of ERII over the past year?

Energy Recovery, Inc. (ERII) delivered a return of -27.41% over the past year. Since ERII does not currently pay dividends, the total return equals the price-only return.

Q2How much would $10,000 invested in ERII be worth today?

A $10,000 investment in Energy Recovery, Inc. one year ago would be worth $7,259 today, representing a loss of $2,741.

Q3Does ERII pay dividends?

Energy Recovery, Inc. (ERII) does not currently pay dividends. Many growth-focused companies reinvest profits back into the business rather than distributing them as dividends. For ERII, the total return equals the price-only return.

Q4Did ERII beat the S&P 500?

No, Energy Recovery, Inc. (ERII) underperformed the S&P 500 by 55.85 percentage points over the past year. ERII delivered a total return of -27.41%, compared to the S&P 500's 28.44%. This means a passive S&P 500 index fund outperformed ERII by 55.85pp during this period.

Q5What is ERII's worst drawdown?

Energy Recovery, Inc. (ERII) experienced a maximum drawdown of -47.76% over the past year, declining from its peak on 2025-10-24 to its trough on 2026-03-20. The stock has not yet fully recovered to its prior peak. Maximum drawdown measures the worst peak-to-trough decline and is an important risk metric for investors.

Q6What is ERII's long-term total return over 10, 20, or 30 years?

Here are Energy Recovery, Inc. (ERII)'s long-term returns with dividends reinvested. Over 10 years, the total return is 3.5% (0.3% CAGR) — $10,000 would have grown to $10,348. Over 20 years: 15.1% total return (0.7% CAGR) — $10,000 → $11,506. Over 30 years: 15.1% total return (0.5% CAGR) — $10,000 → $11,506. Long-term investors benefit from compounding: dividends buy additional shares, which generate their own dividends, creating an exponential growth effect.

Q7What was ERII's best and worst year?

Energy Recovery, Inc.'s best calendar year was 2013 with a total return of 62.3%. Its worst year was 2010 with a total return of -49.2%. This range shows the volatility investors should expect — the difference between the best and worst year is 111.4 percentage points.