BIIB· Biogen Inc.

CUSIP 09062X103·Sector Healthcare →·

·Investor Relations ↗

Current price

$193.45

Market cap

$28.6B

52w low

$119.18

52w high

$202.41

Whale holders

Aggregate held

$61M

Net flow (Q/Q)

$4M

Insider buys/sells · last 6 mo · open market only

	Transactions	Total $
Buys	0	$0
Sells	0	$0

Whale	% of portfolio	Recent activity	Δ shares	Value
No matching holders for this view.

Held alongside BIIB

Top stocks BIIB's whales also own — ranked by holder overlap

CCitigroup Inc.· 2 shared BABAAlibaba Group Holding Limited· 2 shared GOOGLAlphabet Inc.· 2 shared METAMeta Platforms, Inc.· 2 shared TSMTaiwan Semiconductor Mfg Ltd.· 2 shared UNHUnitedhealth Group Inc.· 2 shared NVDANvidia Corp.· 2 shared GOOGAlphabet Inc.· 2 shared CVSCvs Health Corp.· 2 shared ZBHZimmer Biomet Holdings· 2 shared

Quarterly ownership history

Last 6 quarters

Quarter	Whales	Aggregate	Buying	Selling	Net flow
2026-03-31	2	$61M	1 · $6M	1 · $2M	$4M
2025-12-31	3	$199M	2 · $58M	1 · $2K	$58M
2025-09-30	3	$140M	3 · $33M	0 · $0	$33M
2025-06-30	3	$107M	1 · $3M	2 · $23M	-$20M
2025-03-31	3	$128M	1 · $16M	2 · $2M	$15M
2024-12-31	3	$113M	3 · $113M	0 · $0	$113M

BIIB Financials

Live via yfinance — refreshed daily.

Valuation

Market capitalization$28.6B

Enterprise value$30.8B

EV / EBITDA (TTM)8.77

P/E ratio (TTM)20.80

Forward P/E11.67

P/S ratio2.87

P/B ratio1.53

PEG ratio3.94

Cash Flow

Operating cash flow (TTM)$2.6B

Free cash flow (TTM)$1.9B

Total cash$4.3B

Total debt$6.6B

Debt / equity35.18

Current ratio3.06

Income Statement

Total revenue (TTM)$9.9B

Revenue per share (TTM)67.70

Gross profit (TTM)$7.8B

EBITDA (TTM)$3.5B

Net income (TTM)$1.4B

EPS diluted (TTM)9.30

Shares outstanding147,637,117

Float shares147,154,344

Profitability

Gross margin78.72%

Operating margin22.90%

EBITDA margin35.38%

Net margin13.80%

Efficiency

Return on assets (TTM)5.90%

Return on equity (TTM)7.70%

Price History

Current price$193.45

52 Week high$202.41

52 Week low$119.18

50 day average$184.50

200 day average$166.03

Average volume (10 day)1,065,880

1-year beta0.20

1-year price target$217.03

Dividends

Dividend yield—

Dividend rate (annual)—

Payout ratio0.00%

Fundamentals are sourced from yfinance and refreshed daily. Last updated May 10, 2026, 5:35 PM. Empty cells (—) mean yfinance doesn't have that field for this ticker (common for ADRs, recent IPOs, or non-applicable ratios).

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