---
title: "Biogen (BIIB) stock listing, news and investor profile"
url: "https://aibio.space/companies/biogen/"
publisher: "aibio.space (Biotech Investor Relations News)"
summary: "Biogen Inc. (NASDAQ: BIIB), United States. The directory classifies it as Pharmaceuticals: Major."
---

BIIB Biogen Inc. NASDAQ · United States

# Biogen (BIIB) news

Top story · Jul 29, 2026 · SEC filing 8-K

## [Biogen reports results](https://www.sec.gov/Archives/edgar/data/875045/000087504526000073/biib-20260729.htm)

Source: [8-K filed Jul 29, 2026 on SEC EDGAR](https://www.sec.gov/Archives/edgar/data/875045/000087504526000073/biib-20260729.htm)

## Latest Biogen news

We have not published a story on Biogen yet. When there is news, it will appear here.

## Biogen at a glance

- **Ticker**: BIIB

- **Listing**: NASDAQ

- **Country**: United States

- **Cash, Sep 30, 2026**: $1.30 billion

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## What Biogen does

Biogen is a global biopharmaceutical company focused on neurology, specialized immunology and rare diseases. Its marketed multiple sclerosis medicines are VUMERITY, TYSABRI, TECFIDERA, AVONEX and PLEGRIDY. Other marketed products include SPINRAZA for spinal muscular atrophy, SKYCLARYS for FA, and QALSODY for ALS. Biogen commercializes LEQEMBI for Alzheimer's disease with Eisai and ZURZUVAE for postpartum depression with Supernus. Through collaborations with Genentech, a member of the Roche Group, it holds rights to anti-CD20 therapies including RITUXAN, GAZYVA, OCREVUS and LUNSUMIO, and it commercializes the biosimilars BENEPALI, IMRALDI and FLIXABI. In November 2025 Biogen completed its acquisition of Alcyone Therapeutics, whose lead asset, ThecaFlex DRx, is an implantable port being investigated for intrathecal delivery of antisense oligonucleotides including SPINRAZA. Zorevunersen, an antisense oligonucleotide targeting SCN1A for Dravet syndrome that Stoke Therapeutics leads, has moved to a global Phase 3 trial. Biogen also has early-stage collaborations with Dayra Therapeutics, Vanqua Bio and City Therapeutics.

| Product or program | What it is | Stage |
|---|---|---|
| SPINRAZA | Treatment for spinal muscular atrophy | marketed |
| SKYCLARYS | Treatment for FA | marketed; the first and only drug approved for FA in the US, EU and certain other markets |
| QALSODY | Treatment for ALS | marketed |
| VUMERITY | Multiple sclerosis treatment | marketed |
| Zorevunersen | Antisense oligonucleotide targeting SCN1A for Dravet syndrome | global Phase 3 trial |

Summarised from the company's [10-K filed Feb 6, 2026](https://www.sec.gov/Archives/edgar/data/875045/000087504526000013/biib-20251231.htm).

## Biogen annual financials

| Line | FY2025 | FY2024 |
|---|---|---|
| Revenue | [$9.89 billion](https://www.sec.gov/Archives/edgar/data/875045/000087504526000013/) | [$9.68 billion](https://www.sec.gov/Archives/edgar/data/875045/000087504526000013/) |
| Net income (loss) | [$1.29 billion](https://www.sec.gov/Archives/edgar/data/875045/000087504526000013/) | [$1.63 billion](https://www.sec.gov/Archives/edgar/data/875045/000087504526000013/) |
| Cash from operations | [$2.20 billion](https://www.sec.gov/Archives/edgar/data/875045/000087504526000013/) | [$2.88 billion](https://www.sec.gov/Archives/edgar/data/875045/000087504526000013/) |
| Cash and equivalents | [$3.01 billion](https://www.sec.gov/Archives/edgar/data/875045/000087504526000096/) | [$2.38 billion](https://www.sec.gov/Archives/edgar/data/875045/000087504526000096/) |
| Short-term investments | [$807.2 million](https://www.sec.gov/Archives/edgar/data/875045/000087504526000096/) | [$0](https://www.sec.gov/Archives/edgar/data/875045/000087504526000013/) |

Latest balance sheet, Sep 30, 2026 (10-Q): cash and equivalents $1.30 billion, plus short-term investments of $0, $1.30 billion in all.

Figures as reported to the SEC in XBRL; each one links to its filing. Not adjusted, not investment advice.

## Questions about Biogen

What is the ticker symbol of Biogen?

Biogen Inc. trades under the ticker BIIB on NASDAQ.

Where is Biogen listed?

Biogen Inc. is listed on NASDAQ. Our directory also records these other listings: BCBA:BIIB; BCBA:BIIB.CI; BCBA:BIIBD; BIVA:BIIB; BMFBOVESPA:BIIB34; BMV:BIIB; DUS:IDP; EUROTLX:4BIIB; FWB:IDP; GETTEX:IDP; HAM:IDP; HAN:IDP; LS:789617; LSE:0R1B; LSX:789617; MUN:IDP; SWB:IDP; TRADEGATE:IDP; VIE:BIIB; XETR:IDP.

What is the SEC CIK of Biogen?

The SEC Central Index Key (CIK) for Biogen Inc. is 875045. Its filings are on SEC EDGAR.

Which country or territory is Biogen listed under?

Our directory records Biogen Inc. under United States.

What does Biogen do?

Our directory classifies Biogen Inc. as: Pharmaceuticals: Major. This is a directory classification, not a description of the pipeline.

What is the ISIN of Biogen?

The ISIN recorded for Biogen Inc. is US09062X1037.

Does aibio.space cover Biogen?

aibio.space lists Biogen Inc. among 2,820 public biotech companies and publishes its news here as stories appear.

Where is Biogen incorporated?

SEC records list its state or country of incorporation as DE.

What does Biogen develop?

Biogen is a global biopharmaceutical company focused on neurology, specialized immunology and rare diseases. Its marketed multiple sclerosis medicines are VUMERITY, TYSABRI, TECFIDERA, AVONEX and PLEGRIDY.

What is SPINRAZA from Biogen?

SPINRAZA: Treatment for spinal muscular atrophy Stage: marketed.

What is SKYCLARYS from Biogen?

SKYCLARYS: Treatment for FA Stage: marketed; the first and only drug approved for FA in the US, EU and certain other markets.

What was Biogen's revenue last year?

$9.89 billion for the fiscal year ended Dec 31, 2025, as reported to the SEC.

Is Biogen profitable?

Biogen Inc. reported net income of $1.29 billion for the fiscal year ended Dec 31, 2025, and generated $2.20 billion of cash from operations, per its annual report to the SEC.

How much cash does Biogen have?

$1.30 billion in cash and short-term investments at Sep 30, 2026, per its 10-Q.

What is Biogen's market cap?

We do not publish live share prices. In its annual report, Biogen Inc. put the market value of shares held by non-affiliates (public float) at $18.38 billion as of Jun 30, 2025.

## Investor discussion: Biogen

Members talk about Biogen (BIIB). Reader posts, not aibio.space reporting, and not investment advice.

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## Capital-markets timeline

Financings, listing notices, splits, legal actions and other investor events at Biogen, newest first. Each line links the filing it comes from.

1. 2026-04-29 Legal Disclosed a shareholder lawsuit, subpoena or other legal matter. SEC Form 10-Q. [Source](https://www.sec.gov/Archives/edgar/data/875045/000087504526000045/biib-20260331.htm)
2. 2026-03-31 Mergers Reported a merger or acquisition agreement. SEC Form 8-K (Items 1.01,8.01,9.01). [Source](https://www.sec.gov/Archives/edgar/data/875045/000119312526134889/d14986dex991.htm)
3. 2025-05-01 Legal Disclosed a shareholder lawsuit, subpoena or other legal matter. SEC Form 10-Q. [Source](https://www.sec.gov/Archives/edgar/data/875045/000087504525000018/biib-20250331.htm)

## Stock chart

Price chart and quote supplied by TradingView, delayed as the exchange requires. It loads only if you choose to show it. Information only, not investment advice. [Open NASDAQ:BIIB on TradingView](https://www.tradingview.com/symbols/NASDAQ-BIIB/).

## SEC filings and registration

- **SEC name**: Biogen Inc.

- **CIK**: 875045

- **Industry (SIC)**: Biological Products, (No Diagnostic Substances) (2836)

- **US tickers**: BIIB (Nasdaq)

- **State or country of incorporation**: DE

- **Fiscal year ends**: December 31

- **Filer category**: Large accelerated filer

- **Business address**: 225 BINNEY STREET, CAMBRIDGE, MA, 02142

- **Phone**: 6176792000

- **Former names**: BIOGEN IDEC INC.; BIOGEN IDEC INC; IDEC PHARMACEUTICALS CORP / DE

### Recent filings (8-K and 6-K are the company's own announcements)

- [10-Q](https://www.sec.gov/Archives/edgar/data/875045/000087504526000075/biib-20260630.htm) filed 2026-07-29
- [8-K](https://www.sec.gov/Archives/edgar/data/875045/000087504526000073/biib-20260729.htm) filed 2026-07-29
- [8-K](https://www.sec.gov/Archives/edgar/data/875045/000087504526000068/biib-20260701.htm) filed 2026-07-01
- [8-K](https://www.sec.gov/Archives/edgar/data/875045/000095015726000700/form8-k.htm) filed 2026-06-10
- [8-K](https://www.sec.gov/Archives/edgar/data/875045/000119312526222908/d109852d8k.htm) filed 2026-05-14
- [10-Q](https://www.sec.gov/Archives/edgar/data/875045/000087504526000045/biib-20260331.htm) filed 2026-04-29
- [8-K](https://www.sec.gov/Archives/edgar/data/875045/000087504526000042/biib-20260429.htm) filed 2026-04-29
- [DEF 14A](https://www.sec.gov/Archives/edgar/data/875045/000119312526187303/d788083ddef14a.htm) filed 2026-04-28

Source: [SEC EDGAR](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000875045), retrieved October 23, 2026. Shares outstanding is the cover-page figure from the latest periodic report. The SEC does not publish share prices.

## Listing details

Biogen Inc. is a public biotech or pharmaceutical company listed on NASDAQ under the ticker BIIB, recorded under United States. The directory classifies it as Pharmaceuticals: Major. aibio.space tracks 2,820 public biotech companies worldwide and publishes investor news on them.

- **Company**: Biogen Inc.

- **Ticker**: BIIB

- **Listing**: NASDAQ

- **Country or territory**: United States

- **Business scope**: Pharmaceuticals: Major

- **ISIN**: US09062X1037

- **Other listed symbols**: BCBA:BIIB; BCBA:BIIB.CI; BCBA:BIIBD; BIVA:BIIB; BMFBOVESPA:BIIB34; BMV:BIIB; DUS:IDP; EUROTLX:4BIIB; FWB:IDP; GETTEX:IDP; HAM:IDP; HAN:IDP; LS:789617; LSE:0R1B; LSX:789617; MUN:IDP; SWB:IDP; TRADEGATE:IDP; VIE:BIIB; XETR:IDP

- **Last quote in directory**: 2026-10-21

- **Directory source**: [Listing page](https://www.tradingview.com/symbols/NASDAQ-BIIB/)

Listing facts come from our company directory, researched on October 22, 2026. A listing record does not certify that a security currently trades. [Tell us about a change](https://aibio.space/reputation/#update). Work at this company? [Claim this page](https://aibio.space/claim/).

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---
Source page: https://aibio.space/companies/biogen/. Facts in aibio.space stories are checked against company filings and releases; opinion is labelled. Cite as: aibio.space, "Biogen (BIIB) stock listing, news and investor profile", 2026-10-31, https://aibio.space/companies/biogen/
