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Quantumsphere Acquisition Corp. Rights

QUMSR Real Time Price USD
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Overview
Financials
Forecast
Insiders
Institutions
Compensation
Government
Ownership
News

Chart provided by TradingView

QUMSR historical prices
Income
Balance Sheet
Cash Flow
Revenue Breakdown
Congress Trading

Recent trades of QUMSR by members of U.S. Congress

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No Congress Trading data for this ticker

Congress Trading Dashboard
QUMSR Stock Insider Trading Activity Follow @QuiverQuant for major insider updates

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Closing Price
Purchase
Sale
Name
Type
Shares
Price
Shares Held
Date
Reported
QUMSR Stock Institutional Owners
Investor
Shares
Change in Shares
Market Value
Date
Reported
QUMSR Derivatives Institutional Owners
Investor
Type
Shares
Change in Shares
Market Value
Date
Reported
Whale Activity

Recently reported changes in QUMSR holdings by institutional investors

Insider Trading

Quarterly net insider trading by QUMSR's directors and management

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No recent Insider Trading for this ticker

Insider Trading Dashboard

* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.

About

Backtest Start Date
CAGR (Total)
Return (30d)
Return (1Y)
View Strategy Copytrade Strategy
  • 1M
  • 3M
  • 6M
  • YTD
  • 1Y
  • 2Y
  • 5Y
  • MAX

About

Backtest Start Date

Key Metrics

Return (1d)

Return (30d)

Return (1Y)

CAGR (Total)

Max Drawdown

Beta

Alpha

Sharpe Ratio

Win Rate

Average Win

Average Loss

Annual Volatility

Annual Std Dev

Information Ratio

Treynor Ratio

Total Trades

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Metrics Definitions

Disclaimer: The performance results shown are based on historical backtesting and are hypothetical in nature. Backtested performance does not represent actual trading and does not account for all market factors that may affect execution, such as liquidity, slippage, and changing market conditions. Past performance is not necessarily indicative of future results. There is no guarantee that any trading strategy will be profitable or avoid losses.

  • Alpha

    Measures a portfolio's risk-adjusted performance against that of its benchmark

    Learn More about Alpha
  • Annual Standard Deviation

    Measures how much the portfolio's total return varies from its mean or average.

    Learn More about Annual Standard Deviation
  • Annual Volatility

    A statistical measure of the dispersion of returns for the portfolio.

    Learn More about Annual Volatility
  • Average Win

    The average return (%) for trades that resulted in a positive return.

  • Average Loss

    The average return (%) for trades that resulted in a negative return.

  • Beta

    A measure of the volatility of the portfolio compared to the market as a whole.

    Learn More about Beta
  • CAGR

    CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.

    Learn More about CAGR
  • Information Ratio

    A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.

    Learn More about Information Ratio
  • Max Drawdown

    the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.

    Learn More about Max Drawdown
  • Sharpe Ratio

    The Sharpe Ratio is a measure of historical risk-adjusted return, which quantifies the amount of return that an investor received per unit of risk.

    Learn More about Sharpe Ratio
  • Total Trades

    The total number of trades made by this strategy.

  • Treynor Ratio

    Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.

    Learn More about Treynor Ratio
  • Win Rate

    The percentage of total trades that resulted in a positive return.

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Corporate Lobbying

Government lobbying spending instances

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No Corporate Lobbying instances for this ticker

Corporate Lobbying Dashboard
Revolving Door

Former government officials who have lobbied for QUMSR

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No former government officials on record as having lobbied for QUMSR

Revolving Door Dashboard
Corporate Lobbying

QUMSR Estimated quarterly lobbying spending

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No Corporate Lobbying data for this ticker

Corporate Lobbying Dashboard
Revenue Breakdown

QUMSR Revenue by Segment or Geography

By Segment
By Geography
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No Revenue by Segment data for this ticker

Revenue Breakdown Dashboard
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No Revenue by Geography data for this ticker

Revenue Breakdown Dashboard
QUMSR Income Statement
QUMSR Balance Sheet
QUMSR Cash Flow
U.S. Patents

New QUMSR patent grants

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No new patents for this ticker

U.S. Patents Dashboard
Government Contracts

Federal grants, loans, and purchases

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No Government Contracts for this ticker

Government Contracts Dashboard
Government Contracts

Estimated quarterly amount awarded to QUMSR from public contracts

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No recent Government Contracts for this ticker

Government Contracts Dashboard
QUMSR News

Recent insights relating to QUMSR

CNBC Recommendations

Recent picks made for QUMSR stock on CNBC

Top ETF Holders

ETFs with the largest estimated holdings in QUMSR

QUMSR Analyst Ratings

QUMSR Stock Forecasts
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  • ... Highest Price Target
  • ... Median Price Target
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QUMSR Analyst Forecasts
Analyst
Firm
Current
Previous
Date
Frequently Asked Questions
  • Is $QUMSR stock a Buy, Sell, or Hold?

  • What is the price target for $QUMSR stock?

* Analyst consensus is not financial advice. Please see our data disclaimers .

QUMSR Top Shareholders
Shareholder
Shares Held
QUMSR Options Owners
Shareholder
Security
Underlying Shares
Frequently Asked Questions
  • Who owns $QUMSR stock?

  • Who owns the most shares of $QUMSR stock?

  • What funds own $QUMSR stock?

* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.

QUMSR Stock Smart Score

The Quiver Smart Score combines our data on Congress Trading, Lobbying, Insider Trading, CNBC Mentions and more to provide a comprehensive view of the strength of a stock's underlying data.

The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.
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Score Breakdown
Bull Case vs Bear Case

See concise summaries of analyst reports, presenting both bullish and bearish arguments for a stock.

Example:

Bulls Say:

The Bulls Say summary highlights positive aspects of the stock.

Bears Say:

The Bears Say summary points out potential risks and negative aspects of the stock.

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About QUMSR

No description available

Quantumsphere Acquisition Corp. Rights (QUMSR) Historical Stock Prices

Quantumsphere Acquisition Corp. Rights (QUMSR) closed at $0.0900 on September 23, 2026. Over the past year its adjusted close ranged from $0.0601 to $0.4600. Daily prices go back to September 30, 2025, 136 trading days in all.

  • 1 month-45.29%
  • 3 months-50.00%
  • Year to date-57.16%
  • 1 year—
  • 3 years—
  • 5 years—
  • Max-52.63%
See every congressional and insider trade on the QUMSR price chart

Quiver Premium charts QUMSR's full daily history since 2014 with each congressional purchase and sale and every open-market insider purchase marked on the price line, with hover details for each trade.

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Last 12 months, newest first

Access Raw Data Daily prices since 2014 for every ticker, through the Quiver API
DateOpenHighLowCloseAdj. CloseVolume
Sep 23, 2026 0.0605 0.0900 0.0602 0.0900 0.0900 1,350
Sep 15, 2026 0.0605 0.0605 0.0605 0.0605 0.0605 100
Sep 14, 2026 0.0602 0.0602 0.0602 0.0602 0.0602 371
Sep 11, 2026 0.0640 0.0666 0.0640 0.0666 0.0666 415
Sep 10, 2026 0.0650 0.0650 0.0650 0.0650 0.0650 732
Sep 9, 2026 0.0601 0.0601 0.0601 0.0601 0.0601 122
Sep 8, 2026 0.0601 0.0840 0.0601 0.0601 0.0601 2,120
Sep 4, 2026 0.0900 0.0900 0.0502 0.0789 0.0789 181,095
Sep 3, 2026 0.0900 0.0900 0.0700 0.0900 0.0900 30,006
Sep 2, 2026 0.1200 0.1200 0.0704 0.0704 0.0704 346,243
Sep 1, 2026 0.1490 0.1490 0.1490 0.1490 0.1490 100
Aug 21, 2026 0.1645 0.1645 0.1645 0.1645 0.1645 232
Aug 20, 2026 0.1600 0.1600 0.1402 0.1523 0.1523 2,338
Aug 19, 2026 0.1525 0.1600 0.1525 0.1600 0.1600 805
Aug 14, 2026 0.1463 0.1463 0.1463 0.1463 0.1463 215
Aug 13, 2026 0.1502 0.1502 0.1502 0.1502 0.1502 292
Aug 12, 2026 0.1550 0.1550 0.1550 0.1550 0.1550 101
Aug 11, 2026 0.1551 0.1551 0.1551 0.1551 0.1551 189
Aug 10, 2026 0.1494 0.1494 0.1494 0.1494 0.1494 114
Aug 7, 2026 0.1446 0.1596 0.1446 0.1550 0.1550 104,464
Aug 6, 2026 0.1500 0.1645 0.1500 0.1645 0.1645 300
Jul 29, 2026 0.1654 0.1677 0.1654 0.1671 0.1671 1,360
Jul 22, 2026 0.1703 0.1799 0.1703 0.1799 0.1799 482
Jul 21, 2026 0.1372 0.1700 0.1372 0.1700 0.1700 348
Jul 16, 2026 0.1685 0.1686 0.1685 0.1686 0.1686 200
Jul 8, 2026 0.1488 0.1754 0.1411 0.1722 0.1722 18,542
Jul 6, 2026 0.1650 0.1650 0.1650 0.1650 0.1650 311
Jul 2, 2026 0.1850 0.1989 0.1850 0.1900 0.1900 59,068
Jul 1, 2026 0.1377 0.1801 0.1226 0.1801 0.1801 5,169
Jun 25, 2026 0.1546 0.2000 0.1214 0.1990 0.1990 1,082
Jun 24, 2026 0.1220 0.1800 0.1220 0.1800 0.1800 243
Jun 22, 2026 0.1743 0.1743 0.1743 0.1743 0.1743 100
Jun 18, 2026 0.1606 0.1606 0.1606 0.1606 0.1606 560
Jun 17, 2026 0.1606 0.1606 0.1606 0.1606 0.1606 100
Jun 16, 2026 0.1600 0.1650 0.1233 0.1500 0.1500 13,507
Jun 11, 2026 0.1800 0.1800 0.1800 0.1800 0.1800 300
Jun 3, 2026 0.1999 0.2300 0.1501 0.1800 0.1800 685
Jun 1, 2026 0.2080 0.2080 0.1933 0.1933 0.1933 757
May 28, 2026 0.1500 0.1969 0.1400 0.1890 0.1890 2,900
May 27, 2026 0.1400 0.2290 0.1400 0.1700 0.1700 3,413
May 26, 2026 0.1700 0.2000 0.1700 0.1982 0.1982 2,700
May 22, 2026 0.2100 0.2100 0.2000 0.2099 0.2099 2,130
May 21, 2026 0.2090 0.2090 0.2090 0.2090 0.2090 102
May 20, 2026 0.1800 0.2000 0.1507 0.1999 0.1999 438,835
May 19, 2026 0.1300 0.2500 0.1300 0.2025 0.2025 76,804
May 8, 2026 0.2600 0.2600 0.2600 0.2600 0.2600 410
Apr 30, 2026 0.2600 0.2600 0.2600 0.2600 0.2600 400
Apr 22, 2026 0.2600 0.2600 0.2200 0.2200 0.2200 410
Apr 21, 2026 0.1601 0.2600 0.1601 0.2200 0.2200 431
Apr 16, 2026 0.2702 0.2758 0.2599 0.2600 0.2600 9,797
Apr 14, 2026 0.2600 0.2600 0.2600 0.2600 0.2600 739
Apr 13, 2026 0.2699 0.2700 0.2150 0.2497 0.2497 14,376
Apr 9, 2026 0.2758 0.2800 0.2600 0.2600 0.2600 6,695
Apr 8, 2026 0.2600 0.2780 0.2600 0.2600 0.2600 2,813
Apr 7, 2026 0.2700 0.2700 0.2600 0.2600 0.2600 200
Mar 27, 2026 0.2660 0.2660 0.2300 0.2500 0.2500 4,436
Mar 25, 2026 0.2780 0.2780 0.2250 0.2400 0.2400 5,929
Mar 24, 2026 0.2399 0.2460 0.2195 0.2400 0.2400 8,789
Mar 17, 2026 0.2790 0.2898 0.2495 0.2780 0.2780 1,572
Mar 16, 2026 0.2681 0.2709 0.2681 0.2709 0.2709 200
Mar 6, 2026 0.2201 0.2640 0.1991 0.2640 0.2640 3,547
Feb 27, 2026 0.2900 0.2900 0.2318 0.2400 0.2400 1,153
Feb 24, 2026 0.2000 0.2200 0.2000 0.2200 0.2200 4,550
Feb 23, 2026 0.2000 0.2000 0.1991 0.2000 0.2000 2,373
Feb 20, 2026 0.2300 0.2300 0.1991 0.1993 0.1993 11,587
Feb 19, 2026 0.2126 0.2203 0.2024 0.2201 0.2201 34,874
Feb 18, 2026 0.2200 0.2200 0.1990 0.1990 0.1990 7,024
Feb 17, 2026 0.2161 0.2161 0.1991 0.1991 0.1991 2,354
Feb 12, 2026 0.1990 0.1991 0.1990 0.1991 0.1991 14,485
Feb 11, 2026 0.1990 0.1990 0.1990 0.1990 0.1990 563
Feb 10, 2026 0.2640 0.2640 0.2000 0.2000 0.2000 500
Feb 9, 2026 0.2000 0.2000 0.2000 0.2000 0.2000 250
Feb 4, 2026 0.2000 0.2000 0.1990 0.2000 0.2000 1,103
Feb 3, 2026 0.2100 0.2100 0.2000 0.2000 0.2000 1,100
Jan 30, 2026 0.2200 0.2201 0.2001 0.2100 0.2100 30,800
Jan 28, 2026 0.2200 0.2200 0.2200 0.2200 0.2200 2,753
Jan 27, 2026 0.2189 0.2189 0.2189 0.2189 0.2189 398
Jan 26, 2026 0.2200 0.2200 0.2100 0.2101 0.2101 16,920
Jan 22, 2026 0.2000 0.2001 0.2000 0.2001 0.2001 1,187
Jan 21, 2026 0.2001 0.2001 0.2001 0.2001 0.2001 210
Jan 20, 2026 0.2001 0.2200 0.2001 0.2200 0.2200 1,774
Jan 16, 2026 0.1640 0.2129 0.1639 0.2129 0.2129 1,211
Jan 15, 2026 0.2100 0.2200 0.2100 0.2199 0.2199 2,110
Jan 12, 2026 0.2200 0.2200 0.2200 0.2200 0.2200 221
Jan 7, 2026 0.2100 0.2100 0.2100 0.2100 0.2100 1,800
Jan 5, 2026 0.2101 0.2239 0.2101 0.2101 0.2101 11,143
Jan 2, 2026 0.2200 0.2200 0.2100 0.2101 0.2101 7,829
Dec 31, 2025 0.2200 0.2280 0.2101 0.2101 0.2101 5,158
Dec 30, 2025 0.2099 0.2099 0.2001 0.2001 0.2001 400
Dec 29, 2025 0.2102 0.2200 0.2101 0.2107 0.2107 2,600
Dec 26, 2025 0.2200 0.2200 0.2101 0.2101 0.2101 2,023
Dec 24, 2025 0.2200 0.2200 0.2101 0.2101 0.2101 1,210
Dec 23, 2025 0.2101 0.2200 0.2100 0.2101 0.2101 3,815
Dec 19, 2025 0.2144 0.2200 0.2000 0.2097 0.2097 4,616
Dec 18, 2025 0.2002 0.2002 0.2002 0.2002 0.2002 310
Dec 16, 2025 0.2201 0.2300 0.2195 0.2195 0.2195 192,363
Dec 15, 2025 0.2201 0.2282 0.2201 0.2282 0.2282 600
Dec 10, 2025 0.2247 0.2300 0.2247 0.2247 0.2247 3,301
Dec 9, 2025 0.2002 0.2300 0.2002 0.2247 0.2247 8,354
Dec 8, 2025 0.2185 0.2240 0.2001 0.2002 0.2002 12,575
Dec 5, 2025 0.2300 0.2300 0.2300 0.2300 0.2300 444
Dec 4, 2025 0.2400 0.2400 0.2400 0.2400 0.2400 3,102
Dec 2, 2025 0.2513 0.2513 0.2513 0.2513 0.2513 100
Dec 1, 2025 0.2700 0.2799 0.2404 0.2404 0.2404 5,820
Nov 28, 2025 0.2335 0.2335 0.2335 0.2335 0.2335 3,000
Nov 24, 2025 0.2180 0.2700 0.2179 0.2700 0.2700 840
Nov 21, 2025 0.2340 0.2820 0.2201 0.2700 0.2700 7,908
Nov 20, 2025 0.2784 0.2784 0.2784 0.2784 0.2784 110
Nov 19, 2025 0.2900 0.2900 0.2500 0.2790 0.2790 49,763
Nov 14, 2025 0.2900 0.2900 0.2900 0.2900 0.2900 105
Nov 12, 2025 0.2820 0.2900 0.2820 0.2900 0.2900 1,430
Nov 11, 2025 0.2820 0.2820 0.2820 0.2820 0.2820 167
Nov 7, 2025 0.2700 0.2700 0.2201 0.2500 0.2500 40,624
Nov 4, 2025 0.3000 0.3299 0.3000 0.3000 0.3000 6,220
Nov 3, 2025 0.3000 0.3000 0.3000 0.3000 0.3000 200,033
Oct 29, 2025 0.2600 0.2900 0.2600 0.2900 0.2900 2,035
Oct 28, 2025 0.2776 0.2776 0.2600 0.2600 0.2600 4,119
Oct 27, 2025 0.2977 0.2977 0.2700 0.2700 0.2700 594
Oct 24, 2025 0.2905 0.2905 0.2905 0.2905 0.2905 214
Oct 23, 2025 0.2800 0.3500 0.2500 0.2798 0.2798 6,305
Oct 22, 2025 0.2201 0.2800 0.2201 0.2800 0.2800 18,230
Oct 21, 2025 0.3001 0.3001 0.2312 0.3000 0.3000 5,295
Oct 20, 2025 0.3339 0.3339 0.3001 0.3001 0.3001 1,864
Oct 17, 2025 0.3171 0.3300 0.2822 0.3300 0.3300 20,945
Oct 16, 2025 0.4229 0.4229 0.3171 0.3171 0.3171 27,098
Oct 15, 2025 0.4600 0.6336 0.3503 0.3800 0.3800 78,461
Oct 14, 2025 0.3400 0.4600 0.3001 0.4600 0.4600 82,949
Oct 13, 2025 0.4000 0.4395 0.3000 0.3400 0.3400 13,064
Oct 10, 2025 0.4292 0.4292 0.2999 0.3000 0.3000 35,698
Oct 9, 2025 0.3200 0.3200 0.2501 0.2900 0.2900 106,753
Oct 8, 2025 0.2100 0.2860 0.2100 0.2800 0.2800 115,189
Oct 7, 2025 0.2120 0.2122 0.2100 0.2100 0.2100 15,586
Oct 6, 2025 0.2000 0.2418 0.1960 0.2252 0.2252 142,838
Oct 2, 2025 0.1799 0.2000 0.1700 0.1700 0.1700 433,606
Oct 1, 2025 0.1900 0.1900 0.1800 0.1801 0.1801 310,701
Sep 30, 2025 0.1801 0.2100 0.1700 0.1900 0.1900 676,051

Open, high, low and close are the prices as traded. Adjusted close accounts for splits and dividends, and is what the chart and returns use. Where a company changed its ticker, its history under the old symbol is included.

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Quantumsphere Acquisition Corp. Rights Executive Compensation

We estimate that -- received a compensation of -- in --, making them the highest paid executive at QUMSR, per a recent SEC DEF 14A filing.



Name
Role
Salary
Bonus
Stock/Option Awards
Total Compensation