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Equity · Healthcare

BIIB

Biogen Inc. · NasdaqGS

$206.00 +2.96% 1D Finazon · prior-day close · Jul 28, 2026

Reddit mentioned BIIB 2 times in the 30 days to 26 July 2026, across 2 of the communities we track. All of them were scored for sentiment: 50% read bullish, 0% bearish and 50% neither. Reddit data updated 26 July 2026.

Price · Chart Chart by TradingView

The chart above plots the price of BIIB over the range selected — one day to the full history — drawn by TradingView from their own data. Our own licensed end-of-day series holds 61 sessions over that window: $187.27 on 4 May 2026 through $206.00 on 28 July 2026. Finazon · prior-day close.

Market cap $30.4B
P/E (TTM) 18.3
52-week range $123.00 – $216.15
Avg volume 303.1K
Mentions · 30d 2
Net sentiment +0.06

Finazon · prior-day close · valuation computed from SEC EDGAR filings · as of Jul 29, 2026

The Distributed Sentinel 26 Jul 2026

BIIB holds the crowd's attention as mentions cluster around the latest move

This is a social signal to weigh against price and insider flow, not to trade on alone.

Crowd sentiment on BIIB · 30d

n = 2 scored · Method
+0.06
Neutral
Bullish 50%
Neither 50%
Bearish 0%

BIIB · crowd attention × price

Share ↗
2 mentions
Bar chart of daily Reddit mentions for BIIB over the last 30 days, read against the left-hand axis; days with zero mentions show no bar. A solid accent line overlays the daily closing price on its own right-hand scale. A dashed lead-in marks the untracked days before tracking began.012$216.00$216$191.89$1912 Jul9 Jul16 Jul23 Jul31 Jul

Reddit mentions per day — left axis Busiest day in the window Daily closing price, USD — right axis Before tracking began — not zero

The chart plots daily Reddit mentions of BIIB over the 30 days to 26 July 2026: 2 in total, busiest on 2 July with 1, and 1 on the last day counted. The line is the daily close over the same window: $216.00 on 2 July, $206.00 on 28 July.

Finazon · prior-day close

Where BIIB is discussed

Share of tracked-subreddit mentions · 30d
r/stocks 50% 1 mention +0.03
r/wallstreetbets 50% 1 mention +0.08

BIIB insider trades

SEC Form 4 · last 90 days · newest reported trade 9 Jun 2026
Open-market buys 0
Open-market sells 0
Non-trade filings 10
Compensation mechanics (10 filings)

Compensation mechanics Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.

Date Insider Type Shares Value
09 Jun 2026 Freire Maria C Director Award 2,005
09 Jun 2026 Minor Lloyd Director Award 1,505
09 Jun 2026 Pangalos Menelas N Director Option exercise 2,370
09 Jun 2026 Pangalos Menelas N Director Award 1,505
09 Jun 2026 Patolawala Monish D Director Award 1,505
09 Jun 2026 LANGER SUSAN Director Award 1,505
09 Jun 2026 Mantas Jesus B Director Award 1,505
09 Jun 2026 Rowinsky Eric K Director Award 1,505
09 Jun 2026 SHERWIN STEPHEN A Director Award 1,505
09 Jun 2026 HAWKINS WILLIAM A Director Award 1,505

BIIB reported financials

SEC EDGAR XBRL

BIIB reported revenue of $9.9B for the fiscal year ended 31 Dec 2025. Net income over the same period was $1.3B.

Figure Reported Period
Revenue $9.9B 31 Dec 2025 fiscal year
Net income $1.3B 31 Dec 2025 fiscal year
Diluted EPS $8.79 31 Dec 2025 fiscal year
Total assets $29.5B 31 Mar 2026 at period end
Total equity incl. minority interest $18.7B 31 Mar 2026 at period end

Source: SEC EDGAR XBRL company facts · latest period ended 31 Mar 2026

BIIB earnings

SEC EDGAR
Date Period EPS Revenue
31 Mar 2026 Q1 2026 $2.15 $2.48B
31 Dec 2025 FY 2025 $8.79 $9.89B
30 Sep 2025 Q3 2025 $3.17 $2.53B
30 Jun 2025 Q2 2025 $4.33 $2.65B

Reported figures & scheduled dates · SEC EDGAR filings

BIIB institutional holders

SEC Form 13F

11 of the 45 institutional funds we track reported a BIIB position for the quarter ended 31 Mar 2026 — a combined $863.7M; the latest of those filings landed 15 May 2026.

Fund Action Shares Value
AQR Capital Management Added +25.8% shares 1,923,557 $346.2M
Point72 Asset Management Trimmed −71.2% shares 809,617 $148.4M
Balyasny Asset Management Held (±25%) +6.9% shares 650,046 $119.2M
Man Group Held (±25%) −6.1% shares 318,745 $58.4M
Fisher Asset Management Held (±25%) +6.6% shares 312,618 $57.3M
Marshall Wace Trimmed −40.4% shares 229,879 $42.1M
Renaissance Technologies Trimmed −49.0% shares 203,396 $37.3M
Citadel Advisors Added +241.6% shares 138,093 $25.3M
Millennium Management Trimmed −91.7% shares 93,964 $17.2M
Glenview Capital Management Trimmed −80.4% shares 57,019 $10.5M

Source: SEC EDGAR 13F filings

BIIB fails-to-deliver

SEC CNS data

On 30 Jun 2026, 2,785 shares of BIIB failed to deliver (about $603K) — the latest of 2 consecutive trading days with recorded fails.

Settlement date Shares failed Notional % of shares out
30 Jun 2026 2,785 $603K 0.002%
29 Jun 2026 165 $36K <0.001%
25 Jun 2026 215 $43K <0.001%
22 Jun 2026 2,157 $424K 0.001%

Source: SEC fails-to-deliver (CNS) data

BIIB — frequently asked questions

From live data

How often is BIIB mentioned on Reddit?

BIIB was mentioned 1 times in the last 7 days across the finance subreddits we track, and 2 times over the trailing 30 days.

Is Reddit bullish or bearish on BIIB?

Across 2 classified BIIB mentions in the last 30 days, 50% read bullish, 0% bearish and 50% neutral. Crowd sentiment is a social signal, not investment advice.

When did BIIB last report earnings?

Biogen (BIIB) last reported earnings on 31 Mar 2026 for Q1 2026, per SEC filings.

Are BIIB insiders buying or selling?

SEC Form 4 filings over the last 90 days show 0 buys and 0 sells by BIIB insiders on the open market. A further 10 filings were grants, awards, gifts or exercises rather than open-market trades.

Who is the CEO of Biogen?

Michel Vounatsos leads Biogen (BIIB) as chief executive.

What exchange is BIIB listed on?

Biogen trades on NASDAQ under the ticker BIIB.

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.