Quantumsphere Acquisition Corp. Units (QUMSU) Total Return Calculator with Dividends Reinvested

Quantumsphere Acquisition Corp. Units

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The total return for Quantumsphere Acquisition Corp. Units (QUMSU) stock is +4.79% over the past 12 months. So far it's up 3.14% this year. The 5-year total return is +4.79%, meaning $10,000 invested in QUMSU stock 5 years ago would be worth $10,479 today. Total return includes price appreciation plus reinvesting any dividends paid out.

If you invested $10,000 in QUMSU 1 year ago, it would be worth $10,479 today — you'd have gained $479.

With Dividends Reinvested$10,479+4.79%

Price Only (No DRIP)$10,479+4.79%

Period2025-08-06 → 2026-06-23

Price

Total Return (DRIP)

S&P 500

If You Invested $10,000 in QUMSU

1Y$10,479+$479 (+4.8%)4.8% CAGR

3Y$10,479+$479 (+4.8%)1.6% CAGR

5Y$10,479+$479 (+4.8%)0.9% CAGR

10Y$10,479+$479 (+4.8%)0.5% CAGR

15Y$10,479+$479 (+4.8%)0.3% CAGR

20Y$10,479+$479 (+4.8%)0.2% CAGR

30Y$10,479+$479 (+4.8%)0.2% CAGR

Quantumsphere Acquisition Corp. Units did not pay dividends during this period. Total return = price return.

Loading QUMSU total return...

As of 2026-06-29

Performance Summary

Best Year+1.60%2025

Max Drawdown-9.90%2026-04-06 → 2026-04-20

Period	Total Return	CAGR	Price Only	Div. Contrib.	$10K →
YTD	+3.14%	—	+3.14%	—	$10,314
1Y	+4.79%	4.79%	+4.79%	—	$10,479
3Y	+4.79%	1.57%	+4.79%	—	$10,479
5Y	+4.79%	0.94%	+4.79%	—	$10,479
10Y	+4.79%	0.47%	+4.79%	—	$10,479
15Y	+4.79%	0.31%	+4.79%	—	$10,479
20Y	+4.79%	0.23%	+4.79%	—	$10,479
30Y	+4.79%	0.16%	+4.79%	—	$10,479

Annual Returns

Year	Total Return	Price Return	Div.	S&P 500	vs S&P
2026YTD	+0.59%	+0.59%	—	+0.41%	+0.2pp
2025	+1.60%	+1.60%	—	+16.64%	-15.0pp

QUMSU underperformed the S&P 500 by 16.05pp over the past year (+4.79% vs +20.84%).

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QUMSU 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
QUMSUQuantumsphere Acquisition Corp. Units	$89M	-2.8%	+3.1%	+4.8%	—	+4.8%	+4.8%	+4.8%
ACHRArcher Aviation Inc.	$3.7B	-25.2%	-37.9%	-52.9%	—	+51.7%	-49.3%	-49.3%
NHICNewHold Investment Corp III	$303M	+2.7%	+5.8%	+7.3%	—	+10.4%	+10.4%	+10.4%
GSThe Goldman Sachs Group, Inc.	$314.0B	+2.5%	+18.8%	+65.2%	+2.6pp	+257.6%	+207.8%	+713.4%
MSMorgan Stanley	$334.5B	+5.1%	+22.0%	+64.7%	+2.9pp	+176.3%	+172.0%	+907.0%
JPMJPMorgan Chase & Co.	$881.7B	+7.3%	+3.4%	+20.7%	+2.1pp	+150.5%	+133.8%	+522.1%
EVREvercore Inc.	$13.2B	-0.6%	+1.0%	+34.5%	+1.3pp	+207.6%	+173.1%	+711.3%
LAZLazard Ltd	$3.9B	-18.0%	-16.6%	-9.0%	+4.3pp	+53.0%	+12.0%	+97.7%
IONQIonQ, Inc.	$18.1B	-22.5%	+14.6%	+31.2%	—	+418.9%	+420.4%	+396.3%
RGTIRigetti Computing, Inc.	$6.1B	-26.7%	-17.2%	+69.9%	—	+1862.9%	+100.2%	+97.3%
QUBTQuantum Computing, Inc.	$1.3B	-21.4%	-11.9%	-44.6%	—	+634.8%	+82.7%	+969899.7%

Compare:QUMSU vs ACHR QUMSU vs NHIC QUMSU vs GS QUMSU vs ACHR vs NHIC

About QUMSU Dividend Returns

Quantumsphere Acquisition Corp. Units (QUMSU) 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 QUMSU over the past year?

Quantumsphere Acquisition Corp. Units (QUMSU) delivered a return of 4.79% over the past year. Since QUMSU does not currently pay dividends, the total return equals the price-only return.

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

A $10,000 investment in Quantumsphere Acquisition Corp. Units one year ago would be worth $10,479 today, representing a gain of $479.

Q3Does QUMSU pay dividends?

Quantumsphere Acquisition Corp. Units (QUMSU) does not currently pay dividends. Many growth-focused companies reinvest profits back into the business rather than distributing them as dividends. For QUMSU, the total return equals the price-only return.

Q4Did QUMSU beat the S&P 500?

No, Quantumsphere Acquisition Corp. Units (QUMSU) underperformed the S&P 500 by 16.05 percentage points over the past year. QUMSU delivered a total return of 4.79%, compared to the S&P 500's 20.84%. This means a passive S&P 500 index fund outperformed QUMSU by 16.05pp during this period.

Q5What is QUMSU's worst drawdown?

Quantumsphere Acquisition Corp. Units (QUMSU) experienced a maximum drawdown of -9.90% over the past year, declining from its peak on 2026-04-06 to its trough on 2026-04-20. 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 QUMSU's long-term total return over 10, 20, or 30 years?

Here are Quantumsphere Acquisition Corp. Units (QUMSU)'s long-term returns with dividends reinvested. Over 10 years, the total return is 4.8% (0.5% CAGR) — $10,000 would have grown to $10,479. Over 20 years: 4.8% total return (0.2% CAGR) — $10,000 → $10,479. Over 30 years: 4.8% total return (0.2% CAGR) — $10,000 → $10,479. Long-term investors benefit from compounding: dividends buy additional shares, which generate their own dividends, creating an exponential growth effect.

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

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