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NASDAQ · Health care

LB Pharmaceuticals Inc (LBRX)

It posted a net loss of $141.2M. In fiscal 2025 capital spending exceeded operating cash flow by $35.3M. At September 30, 2026 it held $215.1M in cash. Its latest periodic report to the SEC is the quarterly report (10-Q) filed on November 5, 2026.

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Price
$45.12
+7.40% on the day · November 9, 2026
52-week range $14.32 to $50.16
Market cap
$1.5B

Key facts about LB Pharmaceuticals Inc

Net worth
LB Pharmaceuticals Inc has a market value (market cap) of $1.5B at the latest share price, and shareholders' equity of $417.6M on its balance sheet at September 30, 2026. A company's "net worth" usually means one of these: what the market pays for all its shares, or its assets minus its liabilities.
Cash flow
In fiscal 2025 operations used $35.2M of cash.
Latest report
The latest periodic report (quarterly report, 10-Q) was filed with the SEC on November 5, 2026 and covers the period to September 30, 2026. Open on SEC EDGAR
Next earnings report
LB Pharmaceuticals Inc's next report is expected around March 25, 2027. That is an estimate from its filing rhythm, not a date the company has announced.

What LB Pharmaceuticals Inc does

LB Pharmaceuticals Inc is registered with the SEC under industry code SIC 2834 (Pharmaceutical Preparations). Its shares trade on NASDAQ under the ticker LBRX.

Revenue and profit by year

Net income
FY25: -$63.1M -$63.1M FY25FY25: -$25.2M -$25.2M FY25

Fiscal years as reported in annual reports. Amounts in USD.

Key figures

Fiscal yearRevenueOperating incomeNet incomeDiluted EPSFree cash flow
2025n/an/a-$25.2M-$3.13-$35.3M
2025n/an/a-$63.1M-$176.15-$53.8M

Earnings: every quarter and the next report date

Full financial statements: income, balance sheet and cash flow

Next report expected around March 25, 2027.

Estimated from its filing rhythm: 52 weeks after its report of March 26, 2026. Not a date the company has announced. See the report calendar · Earnings, quarter by quarter

Latest SEC filings

What LB Pharmaceuticals Inc has filed recently, newest first. Each links to the original document on SEC EDGAR.

  1. November 5, 2026
    Quarterly report 10-Q · period to September 30, 2026Diluted EPS -$1.79 versus -$0.61.
  2. November 5, 2026
  3. October 13, 2026
  4. October 1, 2026
  5. October 1, 2026
  6. September 15, 2026
    Executive or director change8-KLB Pharmaceuticals appointed Susan G. Kozauer, M.D. as Chief Medical Officer effective September 14, 2026.
  7. September 3, 2026
  8. August 14, 2026
  9. August 11, 2026
    Quarterly report 10-Q · period to June 30, 2026Diluted EPS -$1.71 versus -$13.58.
  10. August 11, 2026

Recent insider filings (Forms 3, 4 and 144): 10, the latest on October 13, 2026. Insider transactions on SEC

Insider trades

What the people running LB Pharmaceuticals Inc did with its shares, from the Form 4 filings they must send the SEC within two business days.

No insider trades were reported in the last 90 days.

Bought (open market)
$0
last 90 days
Sold
$0
last 90 days

All insider filings on SEC.gov · Where insiders are buying across the market

Who owns LBRX

Three views from three kinds of SEC filings, each with its own date. They overlap and are not added up.

5% holders

Anyone who owns more than 5% of a class of shares must say so on Schedule 13D (if they may seek to influence the company) or 13G (a passive holder). The latest filing of each holder is shown: 13G filings of the last 2 years, 13D of the last 3.

HolderOf classSharesFiled
Deep Track Capital, LP13D, may seek influence with 3 related filers 11.7% 3,352,804 February 10, 2026
RA Capital Management, L.P.13G, passive with 3 related filers 8.7% 2,208,604 February 17, 2026
Commodore Capital LP13G, passive with 3 related filers 6.8% 1,972,369 May 15, 2026
Pontifax Management 4 G.P. (2015) Ltd.13D, may seek influence with 3 related filers 6.3% 1,411,681 September 25, 2025
Caligan Partners LP13G, passive with 1 related filers 5% 1,438,070 May 15, 2026
TCG Crossover GP II, LLC13G, passive with 2 related filers 5% 1,447,310 August 14, 2026
Trails Edge Capital Partners, LP13G, passive with 2 related filers 5% 1,268,265 December 31, 2025

Latest filings below 5%: BlackRock Portfolio Management LLC 3.8% (January 21, 2026).

Largest institutional holders

Positions that investment managers reported on Form 13F for the quarter ended June 30, 2026, largest first, with the change on the quarter ended March 31, 2026. Managers file 13F up to 45 days after a quarter ends. 115 managers reported a position.

HolderSharesValueChange on quarter
Deep Track Capital, LP3,352,804$108.8M0
BlackRock, Inc.2,734,305$88.7M+263,460
RA Capital Management, L.P.2,208,604$71.7M0
Nantahala Capital Management, LLC2,105,788$68.3M+1,052,894
Trails Edge Capital Partners, LP1,523,022$49.4M+203,660
Jpmorgan Chase & Co1,497,293$48.9M+69,725
Commodore Capital LP1,500,000$48.7M0
TCG Crossover Management, LLC1,447,310$47M-392,179
Caligan Partners LP1,438,070$46.7M0
Spruce Street Capital LP1,376,159$44.7M0
Vanguard Capital Management LLC971,165$31.5M+76,512
Balyasny Asset Management L.P.921,471$29.9M-2,223
Alyeska Investment Group, L.P.863,947$28M0
Vivo Capital, LLC800,000$26M0
Nan Fung Group Holdings Ltd630,657$20.5M0
Geode Capital Management, LLC612,793$19.9M+94,565
State Street Corp602,028$19.5M+97,655
Logos Global Management LP585,000$19M-330,000
Goldman Sachs Group Inc576,456$18.7M+212,657
Jennison Associates LLC540,902$17.6M+2,686

Insiders

Reported holdings of insiders who filed a Form 4 in the last 12 months: the shares each one held after their latest reported transaction. This is not the total held by all insiders.

No insider reported holdings on a Form 4 in the last 12 months.

Schedule 13D/13G filings on SEC.gov

All filings on SEC EDGAR

Questions about LBRX

What does LB Pharmaceuticals Inc do?

LB Pharmaceuticals Inc is a company in the Health care sector, listed on NASDAQ as LBRX. Its shares trade on NASDAQ under the ticker LBRX.

What is LB Pharmaceuticals Inc's net worth?

LB Pharmaceuticals Inc has a market value (market cap) of $1.5B at the latest share price, and shareholders' equity of $417.6M on its balance sheet at September 30, 2026. A company's "net worth" usually means one of these: what the market pays for all its shares, or its assets minus its liabilities.

Is LB Pharmaceuticals Inc profitable?

No. Over the twelve months to September 30, 2026 it reported a net loss of $141.2M.

When did LB Pharmaceuticals Inc last report?

Its most recent periodic report is the quarterly report (10-Q) filed on November 5, 2026. It covers the period to September 30, 2026.

When is LB Pharmaceuticals Inc's next earnings report?

LB Pharmaceuticals Inc's next report is expected around March 25, 2027. That is an estimate from its filing rhythm, not a date the company has announced.

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Where the numbers come from

Financial figures are the values LB Pharmaceuticals Inc tagged in its own SEC filings (XBRL), taken from the latest filing for each period, so restatements replace older figures. Revenue, profit and cash flow are for full fiscal years unless marked as the last twelve months, which is the sum of the four most recent quarters. Where a company reports only the full year, the fourth quarter is the year minus the first three.

Prices are delayed end-of-day market data in the listing currency, and market cap moves with the price. P/E is shown only when earnings per share are positive. Nothing here is investment advice.