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Impact BioMedical Inc. (IBO) Total Return Calculator with Dividends Reinvested

Impact BioMedical Inc.

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The total return for Impact BioMedical Inc. (IBO) stock is +4.13% over the past 12 months. So far it's up 22.35% this year. The 5-year total return is -99.84%, meaning $10,000 invested in IBO stock 5 years ago would be worth $16 today. Total return includes price appreciation plus reinvesting any dividends paid out.

If you invested $10,000 in IBO 1 year ago, it would be worth $12,446 today — you'd have gained $2,446.

With Dividends Reinvested$12,446+24.46%

Price Only (No DRIP)$12,446+24.46%

Period2025-05-07 → 2026-05-06

Price

Total Return (DRIP)

S&P 500

If You Invested $10,000 in IBO

1Y$10,413+$413 (+4.1%)4.1% CAGR

3Y$16-$9,984 (-99.8%)-88.2% CAGR

5Y$16-$9,984 (-99.8%)-72.3% CAGR

10Y$254-$9,746 (-97.5%)-30.7% CAGR

15Y$254-$9,746 (-97.5%)-21.7% CAGR

20Y$254-$9,746 (-97.5%)-16.8% CAGR

30Y$254-$9,746 (-97.5%)-11.5% CAGR

Impact BioMedical Inc. did not pay dividends during this period. Total return = price return.

Loading IBO total return...

As of 2026-05-07

Returns at a Glance

Period	Total Return	CAGR	Price Only	Div. Contrib.	$10K →
YTD	+22.35%	—	+22.35%	—	$12,235
1Y	+4.13%	4.13%	+4.13%	—	$10,413
3Y	-99.84%	-88.22%	-99.84%	—	$16
5Y	-99.84%	-72.29%	-99.84%	—	$16
10Y	-97.46%	-30.74%	-97.46%	—	$254
15Y	-97.46%	-21.72%	-97.46%	—	$254
20Y	-97.46%	-16.78%	-97.46%	—	$254
30Y	-97.46%	-11.52%	-97.46%	—	$254

Risk & Highlights

Best Year+5.79%2018

Worst Year-67.21%2025

Max Drawdown-75.11%2025-06-23 → 2026-03-02

Annual Returns

Year	Total Return	Price Return	Div.	S&P 500	vs S&P
2026YTD	-16.13%	-16.13%	—	+0.41%	-16.5pp
2025	-67.21%	-67.21%	—	+16.64%	-83.8pp
2024	-45.90%	-45.90%	—	+24.00%	-69.9pp
2023	+0.00%	+0.00%	—	+24.81%	-24.8pp
2018	+5.79%	+5.79%	—	-7.01%	+12.8pp

IBO underperformed the S&P 500 by 27.19pp over the past year (+4.13% vs +31.32%).

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IBO 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
IBOImpact BioMedical Inc.	$148M	+2.4%	+22.4%	+4.1%	—	-99.8%	-99.8%	-97.5%
NNVCNanoViricides, Inc.	$32M	+44.6%	+20.7%	+15.9%	—	+14.1%	-59.8%	-95.5%
NVAXNovavax, Inc.	$1.5B	+17.4%	+31.3%	+54.2%	—	+25.6%	-94.6%	-89.8%
VXRTVaxart, Inc.	$179M	+20.1%	+106.9%	+96.7%	—	-13.4%	-89.2%	-95.8%
OCGNOcugen, Inc.	$493M	-17.8%	+5.4%	+103.4%	—	+102.6%	-84.8%	-98.5%
ADMAADMA Biologics, Inc.	$2.5B	+8.6%	-43.6%	-56.4%	—	+188.0%	+514.6%	+64.7%
HALOHalozyme Therapeutics, Inc.	$7.8B	+5.2%	-5.6%	+11.7%	—	+119.1%	+39.1%	+598.4%
ICLRICON Public Limited Company	$9.5B	+13.2%	-34.2%	-8.1%	—	-34.6%	-44.4%	+93.0%
CRLCharles River Laboratories International, Inc.	$9.0B	+8.0%	-10.2%	+57.5%	—	-4.3%	-46.0%	+124.7%
MEDPMedpace Holdings, Inc.	$12.2B	-14.0%	-25.3%	+47.8%	—	+103.7%	+160.4%	+1435.8%
NUVBNuvation Bio Inc.	$1.7B	+13.3%	-41.3%	+141.1%	—	+211.1%	-54.3%	-49.6%

Compare:IBO vs NNVC IBO vs NVAX IBO vs VXRT IBO vs NNVC vs NVAX

About IBO Dividend Returns

Impact BioMedical Inc. (IBO) 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 IBO over the past year?

Impact BioMedical Inc. (IBO) delivered a return of 4.13% over the past year. Since IBO does not currently pay dividends, the total return equals the price-only return.

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

A $10,000 investment in Impact BioMedical Inc. one year ago would be worth $10,413 today, representing a gain of $413.

Q3Does IBO pay dividends?

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

Q4Did IBO beat the S&P 500?

No, Impact BioMedical Inc. (IBO) underperformed the S&P 500 by 27.19 percentage points over the past year. IBO delivered a total return of 4.13%, compared to the S&P 500's 31.32%. This means a passive S&P 500 index fund outperformed IBO by 27.19pp during this period.

Q5What is IBO's worst drawdown?

Impact BioMedical Inc. (IBO) experienced a maximum drawdown of -75.11% over the past year, declining from its peak on 2025-06-23 to its trough on 2026-03-02. 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 IBO's long-term total return over 10, 20, or 30 years?

Here are Impact BioMedical Inc. (IBO)'s long-term returns with dividends reinvested. Over 10 years, the total return is -97.5% (-30.7% CAGR) — $10,000 would have grown to $254. Over 20 years: -97.5% total return (-16.8% CAGR) — $10,000 → $254. Over 30 years: -97.5% total return (-11.5% CAGR) — $10,000 → $254. Long-term investors benefit from compounding: dividends buy additional shares, which generate their own dividends, creating an exponential growth effect.

Q7What was IBO's best and worst year?

Impact BioMedical Inc.'s best calendar year was 2018 with a total return of 5.8%. Its worst year was 2025 with a total return of -67.2%. This range shows the volatility investors should expect — the difference between the best and worst year is 73.0 percentage points.