ProMIS Neurosciences, Inc. (PMN) Total Return Calculator with Dividends Reinvested

ProMIS Neurosciences, Inc.

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The total return for ProMIS Neurosciences, Inc. (PMN) stock is -20.38% over the past 12 months. So far it's up 44.96% this year. The 5-year total return is -96.37%, meaning $10,000 invested in PMN stock 5 years ago would be worth $363 today. Total return includes price appreciation plus reinvesting any dividends paid out.

If you invested $10,000 in PMN 1 year ago, it would be worth $7,968 today — you'd have lost $2,032.

With Dividends Reinvested$7,968-20.32%

Price Only (No DRIP)$7,968-20.32%

Period2025-06-13 → 2026-06-12

Price

Total Return (DRIP)

S&P 500

If You Invested $10,000 in PMN

1Y$7,962-$2,038 (-20.4%)-20.4% CAGR

3Y$854-$9,146 (-91.5%)-56.0% CAGR

5Y$363-$9,637 (-96.4%)-48.5% CAGR

10Y$863-$9,137 (-91.4%)-21.7% CAGR

15Y$329-$9,671 (-96.7%)-20.4% CAGR

20Y$58-$9,942 (-99.4%)-22.7% CAGR

30Y$58-$9,942 (-99.4%)-15.8% CAGR

ProMIS Neurosciences, Inc. did not pay dividends during this period. Total return = price return.

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As of 2026-06-13

Returns at a Glance

Period	Total Return	CAGR	Price Only	Div. Contrib.	$10K →
YTD	+44.96%	—	+44.96%	—	$14,496
1Y	-20.38%	-20.38%	-20.38%	—	$7,962
3Y	-91.46%	-55.97%	-91.46%	—	$854
5Y	-96.37%	-48.47%	-96.37%	—	$363
10Y	-91.38%	-21.73%	-91.37%	—	$863
15Y	-96.71%	-20.36%	-96.71%	—	$329
20Y	-99.42%	-22.73%	-99.43%	—	$58
30Y	-99.42%	-15.80%	-99.42%	—	$58

Risk & Highlights

Best Year+150.00%2016

Worst Year-74.44%2023

Max Drawdown-75.86%2025-07-21 → 2025-11-28

Annual Returns

Year	Total Return	Price Return	Div.	S&P 500	vs S&P
2026YTD	+229.27%	+229.27%	—	+0.41%	+228.9pp
2025	-71.54%	-71.54%	—	+16.64%	-88.2pp
2024	-31.80%	-31.80%	—	+24.00%	-55.8pp
2023	-74.44%	-74.44%	—	+24.81%	-99.3pp
2022	-39.72%	-39.72%	—	-19.95%	-19.8pp

PMN underperformed the S&P 500 by 43.24pp over the past year (-20.38% vs +22.86%).

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PMN 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
PMNProMIS Neurosciences, Inc.	$68M	-1.3%	+45.0%	-20.4%	—	-91.5%	-96.4%	-91.4%
PRTAProthena Corporation plc	$432M	-12.5%	-10.3%	+62.7%	—	-88.7%	-82.7%	-82.0%
ARVNArvinas, Inc.	$489M	-20.8%	-33.9%	+0.1%	—	-73.7%	-91.0%	-52.8%
ACADACADIA Pharmaceuticals Inc.	$3.6B	-2.9%	-19.3%	-3.0%	—	-14.3%	-22.6%	-44.6%
SAVACassava Sciences, Inc.	$64M	+0.0%	-36.8%	-37.7%	—	-62.5%	-87.8%	-38.0%
NRXPNRx Pharmaceuticals, Inc.	$66M	+33.8%	+46.6%	+11.6%	—	-28.2%	-97.9%	-96.0%
BIIBBiogen Inc.	$29.5B	+0.3%	+12.5%	+51.2%	—	-36.2%	-50.7%	-18.1%
LLYEli Lilly and Company	$1.07T	+14.5%	+5.2%	+40.3%	+0.8pp	+158.2%	+412.1%	+1484.6%
ESPREsperion Therapeutics, Inc.	$655M	+0.6%	-15.1%	+162.5%	—	+156.1%	-87.8%	-80.5%
IONSIonis Pharmaceuticals, Inc.	$12.1B	-3.4%	-8.0%	+105.7%	—	+76.0%	+93.9%	+241.3%
ALNYAlnylam Pharmaceuticals, Inc.	$37.7B	-3.1%	-29.3%	-7.2%	—	+46.5%	+69.7%	+366.4%

Compare:PMN vs PRTA PMN vs ARVN PMN vs ACAD PMN vs PRTA vs ARVN

About PMN Dividend Returns

ProMIS Neurosciences, Inc. (PMN) 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 PMN over the past year?

ProMIS Neurosciences, Inc. (PMN) delivered a return of -20.38% over the past year. Since PMN does not currently pay dividends, the total return equals the price-only return.

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

A $10,000 investment in ProMIS Neurosciences, Inc. one year ago would be worth $7,962 today, representing a loss of $2,038.

Q3Does PMN pay dividends?

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

Q4Did PMN beat the S&P 500?

No, ProMIS Neurosciences, Inc. (PMN) underperformed the S&P 500 by 43.24 percentage points over the past year. PMN delivered a total return of -20.38%, compared to the S&P 500's 22.86%. This means a passive S&P 500 index fund outperformed PMN by 43.24pp during this period.

Q5What is PMN's worst drawdown?

ProMIS Neurosciences, Inc. (PMN) experienced a maximum drawdown of -75.86% over the past year, declining from its peak on 2025-07-21 to its trough on 2025-11-28. 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 PMN's long-term total return over 10, 20, or 30 years?

Here are ProMIS Neurosciences, Inc. (PMN)'s long-term returns with dividends reinvested. Over 10 years, the total return is -91.4% (-21.7% CAGR) — $10,000 would have grown to $863. Over 20 years: -99.4% total return (-22.7% CAGR) — $10,000 → $58. Over 30 years: -99.4% total return (-15.8% CAGR) — $10,000 → $58. Long-term investors benefit from compounding: dividends buy additional shares, which generate their own dividends, creating an exponential growth effect.

Q7What was PMN's best and worst year?

ProMIS Neurosciences, Inc.'s best calendar year was 2016 with a total return of 150.0%. Its worst year was 2023 with a total return of -74.4%. This range shows the volatility investors should expect — the difference between the best and worst year is 224.4 percentage points.

How much would $100/month in PMN be worth today?

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