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Insmed Incorporated (INSM) Total Return Calculator with Dividends Reinvested

Insmed Incorporated

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The total return for Insmed Incorporated (INSM) stock is +53.49% over the past 12 months. So far it's down 40.83% this year. The 5-year total return is +221.68%, meaning $10,000 invested in INSM stock 5 years ago would be worth $32,168 today. Total return includes price appreciation plus reinvesting any dividends paid out.

If you invested $10,000 in INSM 1 year ago, it would be worth $15,969 today — you'd have gained $5,969.

With Dividends Reinvested$15,969+59.69%

Price Only (No DRIP)$15,969+59.69%

Period2025-05-08 → 2026-05-07

Price

Total Return (DRIP)

S&P 500

If You Invested $10,000 in INSM

1Y$15,349+$5,349 (+53.5%)53.5% CAGR

3Y$55,451+$45,451 (+454.5%)77.0% CAGR

5Y$32,168+$22,168 (+221.7%)26.3% CAGR

10Y$89,346+$79,346 (+793.5%)24.5% CAGR

15Y$119,776+$109,776 (+1097.8%)18.0% CAGR

20Y$56,044+$46,044 (+460.4%)9.0% CAGR

30Y$6,352-$3,648 (-36.5%)-1.5% CAGR

Insmed Incorporated did not pay dividends during this period. Total return = price return.

Loading INSM total return...

As of 2026-05-08

Returns at a Glance

Period	Total Return	CAGR	Price Only	Div. Contrib.	$10K →
YTD	-40.83%	—	-40.83%	—	$5,917
1Y	+53.49%	53.49%	+53.49%	—	$15,349
3Y	+454.51%	77.00%	+454.51%	—	$55,451
5Y	+221.68%	26.32%	+221.68%	—	$32,168
10Y	+793.46%	24.48%	+793.46%	—	$89,346
15Y	+1097.76%	18.00%	+1097.76%	—	$119,776
20Y	+460.44%	9.00%	+460.44%	—	$56,044
30Y	-36.48%	-1.50%	-36.48%	—	$6,352

Risk & Highlights

Best Year+518.75%2003

Worst Year-88.83%2002

Max Drawdown-36.97%2025-12-01 → 2026-05-07

Annual Returns

Year	Total Return	Price Return	Div.	S&P 500	vs S&P
2026YTD	-15.69%	-15.69%	—	+0.41%	-16.1pp
2025	+148.81%	+148.81%	—	+16.64%	+132.2pp
2024	+130.59%	+130.59%	—	+24.00%	+106.6pp
2023	+61.57%	+61.57%	—	+24.81%	+36.8pp
2022	-28.97%	-28.97%	—	-19.95%	-9.0pp

INSM outperformed the S&P 500 by 23.12pp over the past year (+53.49% vs +30.37%).

Loading summary...

INSM 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
INSMInsmed Incorporated	$22.6B	-35.7%	-40.8%	+53.5%	—	+454.5%	+221.7%	+793.5%
RAREUltragenyx Pharmaceutical Inc.	$2.6B	+12.9%	+10.7%	-21.8%	—	-44.5%	-77.2%	-59.4%
ALNYAlnylam Pharmaceuticals, Inc.	$39.5B	-7.4%	-26.1%	+7.0%	—	+40.9%	+125.4%	+411.9%
BMRNBioMarin Pharmaceutical Inc.	$10.4B	-3.7%	-9.0%	-8.8%	—	-43.6%	-30.4%	-35.6%
SRPTSarepta Therapeutics, Inc.	$2.2B	-9.9%	-2.4%	-43.4%	—	-83.6%	-72.1%	+18.0%
IONSIonis Pharmaceuticals, Inc.	$12.6B	+2.9%	-4.6%	+129.9%	—	+116.1%	+108.0%	+121.1%
ACADACADIA Pharmaceuticals Inc.	$3.9B	+2.2%	-13.7%	+52.4%	—	+4.7%	+7.1%	-22.9%
PRAXPraxis Precision Medicines, Inc.	$9.6B	+8.7%	+16.4%	+775.0%	—	+1976.5%	-20.8%	-20.1%
ARWRArrowhead Pharmaceuticals, Inc.	$10.9B	+27.4%	+15.0%	+496.9%	—	+92.7%	+17.4%	+1253.3%
KRYSKrystal Biotech, Inc.	$8.7B	+12.4%	+20.2%	+116.9%	—	+238.5%	+319.2%	+2688.5%
FOLDAmicus Therapeutics, Inc.	$4.5B	+0.1%	+1.5%	+137.9%	—	+19.0%	+48.6%	+119.2%

Compare:INSM vs RARE INSM vs ALNY INSM vs BMRN INSM vs RARE vs ALNY

About INSM Dividend Returns

Insmed Incorporated (INSM) 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 INSM over the past year?

Insmed Incorporated (INSM) delivered a return of 53.49% over the past year. Since INSM does not currently pay dividends, the total return equals the price-only return.

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

A $10,000 investment in Insmed Incorporated one year ago would be worth $15,349 today, representing a gain of $5,349.

Q3Does INSM pay dividends?

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

Q4Did INSM beat the S&P 500?

Yes, Insmed Incorporated (INSM) outperformed the S&P 500 by 23.12 percentage points over the past year. INSM delivered a total return of 53.49%, compared to the S&P 500's 30.37%. This 23.12pp alpha means investors in INSM earned more than a passive S&P 500 index fund.

Q5What is INSM's worst drawdown?

Insmed Incorporated (INSM) experienced a maximum drawdown of -36.97% over the past year, declining from its peak on 2025-12-01 to its trough on 2026-05-07. 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 INSM's long-term total return over 10, 20, or 30 years?

Here are Insmed Incorporated (INSM)'s long-term returns with dividends reinvested. Over 10 years, the total return is 793.5% (24.5% CAGR) — $10,000 would have grown to $89,346. Over 20 years: 460.4% total return (9.0% CAGR) — $10,000 → $56,044. Over 30 years: -36.5% total return (-1.5% CAGR) — $10,000 → $6,352. Long-term investors benefit from compounding: dividends buy additional shares, which generate their own dividends, creating an exponential growth effect.

Q7What was INSM's best and worst year?

Insmed Incorporated's best calendar year was 2003 with a total return of 518.8%. Its worst year was 2002 with a total return of -88.8%. This range shows the volatility investors should expect — the difference between the best and worst year is 607.6 percentage points.