Rigel Pharmaceuticals

RIGL on Nasdaq. Rigel Pharmaceuticals sells medicines for blood diseases and cancer to patients. Market value $893m.

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Price checks use the past 12 months to June 2026. Some use the latest annual report instead, as marked. Quality checks use five annual reports, the latest for the year to December 2025.

Cash flow or capital spending isn't reported, so free cash flow is unknown.

Should I look at this?

Not a fit for our list right now

See Health care stocks that passed both tests

This is not advice. Check the numbers below.

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Cash yield
annual report to December 2025
n/a

We could not compute this from the filings.

Price to profit
past 12 months to June 2026
10.0×fair

You pay 10.0 years of operating profit for the business. The average large US company costs around 18.

Return on capital
five annual reports to December 2025
-3.4%five-year median

Each dollar kept in the business earns -3 cents a year. Above 10 is good.

Quality score: 50 of 100. Price score: 83 of 100. Our list needs 70 on quality and 60 on price.

$46.11 a share, 85% above its 1-year low

Over the past year the price has ranged from $24.95 to $52.24.

Pays no dividend

Prices from Tuesday’s close (6 October).

Five years of cash, in billions

0.0
-0.1
n/a
n/a
n/a
20212022202320242025
Revenue
$149m$120m$117m$179m$294m
Operating margin
-8.4%-46.2%-17.5%13.5%42.6%
Debt to equity
0.66n/an/a18.250.13
Shares outstanding
0.17bn0.17bn0.02bn0.02bn0.02bn

Health checks

  • Free cash flow positive1 of 2 years
  • Accounting looks honest (Beneish)Warning signs
  • Financial strength (Piotroski)6 of 9
  • Profit backed by cash (accruals)No
  • Debt0.13× equity
  • Revenue growth, five yearsStrong, 22.1% a year
  • Buying back its own sharesYes, 89% fewer since 2021

The quarter to June 2026

How the business did, compared with the same quarter a year earlier.

  • Sales: $79 million last quarter, down 23% on a year ago.
  • Profit: $17 million, down 71% on a year ago.
  • It keeps 31 cents of each $1 of sales as operating profit, down from 39 cents a year earlier.
  • 8% more shares than a year ago. Each share owns a bit less of the company.
  • Sales grew on a year ago in 3 of the last 4 quarters.
Sales by quarter
Sales by quarter
Quarter toAmount
September 2024$55m
December 2024$58m
March 2025$53m
June 2025$102m
September 2025$69m
December 2025$70m
March 2026$59m
June 2026$79m
Profit by quarter
Profit by quarter
Quarter toAmount
September 2024$12m
December 2024$14m
March 2025$11m
June 2025$60m
September 2025$28m
December 2025$268m
March 2026$9m
June 2026$17m

From the company's quarterly reports to the SEC.

Dates

Next results (estimated)
n/a
Last annual report (10-K)
3 March 2026
Next quarterly (estimated, 10-Q)
3 November 2026

Who owns it

1 long-term investor we follow owns it, unchanged from 1 last quarter. 155 funds in all.

Jun '25
Dec '25
Jun '26
Largest holders overall

From 13F filings for the quarter ended 30 June 2026.

Big holders and activists

4 investors own more than 5%.

  • Soleus Capital Master Fund, L.P.
    Passive investor
    at least 9.9%+4.7 pts
    (filed with 5 related holders)
    Since 30 June 2026
  • Armistice Capital, LLC
    Passive investor
    at least 8.9%+2.0 pts
    (filed with 1 related holder)
    Since 30 June 2026
  • BlackRock, Inc.
    Passive investor
    7.7%−2.2 pts
    Since 31 March 2025
  • STATE STREET CORPORATION
    Passive investor
    6.0%
    Since 31 December 2025
  • Morgan Stanley
    Passive investor
    Sold down below 5%
    Since 30 September 2025
  • The Vanguard Group
    Passive investor
    Sold down below 5%
    Since 13 March 2026
  • Invesco Ltd.
    Passive investor
    Sold down below 5%
    Since 31 December 2024

From Schedule 13D and 13G filings: anyone owning more than 5% must file one.

What insiders did

No insider bought shares on the open market in the last 12 months. 2 sold $305,865, $160,425 of it under preset trading plans.

  • Ali-Jackson Kamil
    Director
    Sold
    under a preset trading plan
    Date
    22 June 2026
    Shares
    2,500
    Price
    $35.00
    Value
    $87,500
  • Ali-Jackson Kamil
    Director
    Sold
    under a preset trading plan
    Date
    26 May 2026
    Shares
    2,500
    Price
    $29.17
    Value
    $72,925
  • MOOS WALTER H
    Director
    Sold
    Date
    20 February 2026
    Shares
    4,000
    Price
    $36.36
    Value
    $145,440

From Form 4 filings: insiders must report trades in their own company's shares within two days.

What could go wrong

  • Its accounts show patterns that sometimes come before companies have to correct past results (Beneish score).
  • Profits run ahead of cash.

Whether the price already reflects the risks is what the deep dive is for.

The deep dive

Everything above is arithmetic on public filings. The deep dive reads the last ten years of annual reports, the proxy statements, and the earnings calls, then argues the case the way Buffett, Klarman, and Hohn would, and checks every claim against the source.

  • What the business is worth, as a range, and the margin of safety at today’s price
  • Prices to start buying, buy, and buy hard
  • The three things that would make this a mistake
  • Every number footnoted to the filing it came from
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What a finished deep dive looks like

Not advice. Numbers on this page come from SEC filings and are updated each night; prices are updated again after the US market closes. The five-year figures are rounded.