SherpaBonds
US58933YCB92 · Corp · USD

Merck & Co Inc 5.55% 2055/12

Merck & Co IncUnited StatesGLOBALSenior Unsecured
SHARE
▶ Start radio
MID PRICE
98.63
par = 100
YIELD TO MAT.
5.81%
semi-annual
COUPON
5.550%
semi-annual · fixed
MATURITY
2055-12-04
bullet · 29.59y
OUTSTANDING
—
not disclosed
AS OF
2026-04-30
Fund disclosure

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Risk analytics

SEMI-ANNUAL · BULLET · PAR 100
Modified duration
13.85 y
1bp ↑ ≈ -0.138% P&L
Convexity
299.37
higher = more curvature
Years to maturity
29.59 y
YTM source
Ingested
Fund disclosure
Market signals · funds disclosing this bond
SignalCategoryExposureLast moveWeightAs of
iShares iBoxx $ Investment Grade Corporate Bond
iShares
US IG Corporate$12.3M▼ $4K0.04%2026-04-30
Vanguard Long-Term Corporate Bond
Vanguard
US Corporate Long$7.7M—0.09%2026-03-31
Vanguard Total Bond Market
Vanguard
US Aggregate$7.1M—0.00%2026-03-31
iShares Core U.S. Aggregate Bond
iShares
US Aggregate$4.0M▲ $3K0.00%2026-04-30
iShares Broad USD Investment Grade Corporate Bond
iShares
US Broad IG Corporate$2.5M▲ $8680.01%2026-04-30
Vanguard Long-Term Bond
Vanguard
US Aggregate Long$2.4M—0.03%2026-03-31
SPDR Portfolio Long Term Corporate Bond
SPDR
US IG Corporate Long$1.0M▲ $97K0.08%2026-04-30
SPDR Portfolio Aggregate Bond
SPDR
US Aggregate$723K▲ $4130.01%2026-04-30
SPDR Portfolio Corporate Bond
SPDR
US IG Corporate$675K▲ $3850.03%2026-04-30
iShares Interest Rate Hedged Corporate Bond
iShares
US IR Hedged IG Corporate$186K▼ $3K0.04%2026-04-30
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Price history

Sherpa Signal

AS OF 2026-04-30

Institutional footprint · signal-level holdings

40/ 100Active coverage
Interpretation. Light institutional footprint, with net distribution
HOLDERS
10
unchanged in 7d
AGGREGATE EXPOSURE
$38.5M
USD across all
TOP CONCENTRATION
31.9%
largest holder
FLOW
▼ $1.9M
unchanged 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
98,630 USD
PRICE
98.63

RFQ routing · coming soon

Security details

VIA OPENFIGI
Canonical
MRK 5.55 12/04/55
FIGI
BBG01YV6C5T0
CUSIP
58933YCB9
ISIN
US58933YCB92
Type
Corp
Issued
2025-12-04
Face value
100 USD
Ticker
MRK 5.55 12/04/55
Sec. type
GLOBAL
Seniority
Senior Unsecured

Issuer curve

MRK · 10 PTS

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

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