US09062XAG88 · Corp · USD

Biogen Inc 3.15% 2050/05

Biogen IncUnited StatesGLOBALSenior Unsecured
MID PRICE
64.47
par = 100
YIELD TO MAT.
5.95%
semi-annual
COUPON
3.150%
semi-annual · fixed
MATURITY
2050-05-01
bullet · 23.98y
OUTSTANDING
not disclosed
AS OF
2026-05-06

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About this bond

AI BRIEF · GROUNDED IN STRUCTURED DATA
About the issuer

Biogen Inc. is an American multinational biotechnology company based in Cambridge, Massachusetts, United States specializing in the treatment of neurological diseases. The company's primary products are dimethyl fumarate (Tecfidera), diroximel fumarate (Vumerity), interferon beta-1a (AVONEX), peginterferon beta-1a (Plegridy), and natalizumab (Tysabri), all for the treatment of multiple sclerosis ; nusinersen (Spinraza) for the treatment of spinal muscular atrophy ; omaveloxolone (Skyclarys) for the treatment of Friedreich's ataxia ; tofersen (Qalsody) for the treatment of ALS; and dimethyl fumarate (Fumaderm) for the treatment of severe plaque psoriasis. The company also produces 5 biosimilars and has collaborations with Genentech for several drugs.

Source: Wikipedia →

Risk analytics

SEMI-ANNUAL · BULLET · PAR 100
Modified duration
14.57 y
1bp ↑ ≈ -0.146% P&L
Convexity
291.40
higher = more curvature
Years to maturity
23.98 y
YTM source
Ingested
Market signals · funds disclosing this bond
SignalCategoryExposureLast moveWeightAs of
Vanguard Total Bond Market
Vanguard
US Aggregate$21.9M0.01%2026-03-31
iShares iBoxx $ Investment Grade Corporate Bond
iShares
US IG Corporate$8.4M▲ $90K0.03%2026-05-06
Vanguard Long-Term Corporate Bond
Vanguard
US Corporate Long$4.5M0.06%2026-03-31
iShares Core U.S. Aggregate Bond
iShares
US Aggregate$4.4M▲ $34K0.00%2026-05-06
iShares Broad USD Investment Grade Corporate Bond
iShares
US Broad IG Corporate$2.2M▲ $15K0.01%2026-05-06
Vanguard Long-Term Bond
Vanguard
US Aggregate Long$1.5M0.02%2026-03-31
iShares Core Universal USD Bond
iShares
US Aggregate$1.2M0.00%2026-05-06
iShares 10+ Year Investment Grade Corporate Bond
iShares
US IG Corporate$868K0.03%2026-05-06
SPDR Portfolio Long Term Corporate Bond
SPDR
US IG Corporate Long$468K▲ $5K0.04%2026-05-05
iShares ESG Aware USD Corporate Bond
iShares
US ESG IG Corporate$239K▲ $2K0.02%2026-05-06
iShares ESG Aware U.S. Aggregate Bond
iShares
US ESG Aggregate$211K▲ $2K0.00%2026-05-06
iShares Interest Rate Hedged Corporate Bond
iShares
US IR Hedged IG Corporate$136K▲ $3K0.03%2026-05-06
iShares Core 10+ Year USD Bond
iShares
US Aggregate$103K0.02%2026-05-06
iShares ESG Advanced Universal USD Bond
iShares
US Aggregate$71K0.01%2026-05-06
iShares Interest Rate Hedged Long-Term Corporate Bond
iShares
US IG Corporate Hedged$52K0.03%2026-05-06
iShares Government/Credit Bond
iShares
US Govt/Credit$19K0.02%2026-05-06
iShares Inflation Hedged Corporate Bond
iShares
US IG Corporate$19K0.03%2026-05-06
iShares BBB Rated Corporate Bond
iShares
US IG Corporate$14K0.03%2026-05-06
iShares Interest Rate Hedged U.S. Aggregate Bond
iShares
US Aggregate$1590.00%2026-05-06
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Price history

Sherpa Signal

AS OF 2026-05-06

Institutional footprint · signal-level holdings

58/ 100Active coverage
Interpretation. Moderate institutional footprint, with net accumulation
HOLDERS
19
▲ 8 signals in 7d
AGGREGATE EXPOSURE
$46.2M
USD across all
TOP CONCENTRATION
47.3%
largest holder
FLOW
▲ $1.6M
▲ 8 signals in 7d

Sherpa Signal is derived from a panel of tracked institutional portfolios. Names of individual holders are not disclosed.

100K PAR NOTIONAL · MARKET VALUE
64,470 USD
PRICE
64.47

RFQ routing · coming soon

Security details

VIA OPENFIGI
Canonical
BIIB 3.15 05/01/50
FIGI
BBG00THWWP51
CUSIP
09062XAG8
ISIN
US09062XAG88
Type
Corp
Issued
2020-04-30
Face value
100 USD
Ticker
BIIB 3.15 05/01/50
Sec. type
GLOBAL
Seniority
Senior Unsecured

Issuer curve

BIIB · 8 PTS

Yield (%) plotted against years-to-maturity. This bond highlighted in amber.