US12189LAK70 · Corp · USDInvestment Grade · AA-

Burlington Northern Santa Fe Llc 4.38% 2042/09

Burlington Northern Santa Fe Llc United StatesUS DOMESTICSenior Unsecured

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MID PRICE

88.77

par = 100

YIELD TO MAT.

5.50%

semi-annual

COUPON

4.380%

semi-annual · fixed

MATURITY

2042-09-01

bullet · 16.31y

OUTSTANDING

—

not disclosed

AS OF

2026-05-08

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About this bond

AI BRIEF · GROUNDED IN STRUCTURED DATA

About the issuer

BNSF Railway is the largest of the many freight railroads in the United States. One of six North American Class I railroads, BNSF has 36,000 employees, 33,400 miles (53,800 km) of track in 28 states, and over 8,000 locomotives. It has three transcontinental routes that provide rail connections between the western and eastern United States. BNSF trains traveled over 169 million miles in 2010, more than any other North American railroad.

Source: Wikipedia →

Risk analytics

SEMI-ANNUAL · BULLET · PAR 100

Modified duration

11.07 y

1bp ↑ ≈ -0.111% P&L

Convexity

159.00

higher = more curvature

Years to maturity

16.31 y

YTM source

Ingested

Market signals · funds disclosing this bond

Signal	Category	Exposure	Last move	Weight	As of
VANGUARD LONG-TERM INVESTMENT-GRADE FUND NPORT	Mutual Fund	$27.5M	—	0.26%	2025-10-31
VANGUARD TOTAL BOND MARKET II INDEX FUND NPORT	Mutual Fund	$13.8M	—	0.00%	2025-09-30
VANGUARD TOTAL BOND MARKET INDEX FUND NPORT	Mutual Fund	$8.2M	▼ $79K	0.00%	2025-12-31
Vanguard Total Bond Market Vanguard	US Aggregate	$8.0M	—	0.00%	2026-03-31
AST Multi-Sector Fixed Income Portfolio NPORT	Mutual Fund	$7.8M	—	0.08%	2025-09-30
Vanguard Long-Term Corporate Bond Vanguard	US Corporate Long	$4.9M	—	0.06%	2026-03-31
VANGUARD LONG-TERM CORPORATE BOND INDEX FUND NPORT	Mutual Fund	$4.4M	—	0.06%	2025-08-31
JPMorgan Core Bond NPORT	Mutual Fund	$3.5M	—	0.01%	2025-08-31
Fidelity U.S. Bond Index NPORT	Mutual Fund	$3.1M	—	0.00%	2025-08-31
PGIM Total Return Bond NPORT	Mutual Fund	$2.6M	—	0.00%	2025-10-31
VANGUARD STAR CORE-PLUS BOND FUND NPORT	Mutual Fund	$2.2M	—	0.03%	2025-10-31
JPMorgan Core Plus Bond NPORT	Mutual Fund	$2.1M	—	0.01%	2025-08-31
iShares Core U.S. Aggregate Bond iShares	US Aggregate	$2.0M	▼ $13K	0.00%	2026-05-07
iShares Core U.S. Aggregate Bond NPORT	Mutual Fund	$2.0M	—	0.00%	2025-08-31
VANGUARD LONG-TERM BOND INDEX FUND NPORT	Mutual Fund	$1.3M	—	0.02%	2025-09-30
T. Rowe Price Balanced, Inc. NPORT	Mutual Fund	$1.3M	—	0.03%	2025-09-30
iShares Broad USD Investment Grade Corporate Bond iShares	US Broad IG Corporate	$1.1M	▲ $5K	0.01%	2026-05-08
Vanguard Long-Term Bond Vanguard	US Aggregate Long	$1.0M	—	0.01%	2026-03-31
iShares Broad USD Investment Grade Corporate Bond NPORT	Mutual Fund	$1.0M	—	0.01%	2025-08-31
SPDR Portfolio Corporate Bond NPORT	Mutual Fund	$832K	—	0.05%	2025-09-30
SPDR Portfolio Corporate Bond SPDR	US IG Corporate	$815K	▲ $4K	0.04%	2026-05-05
Fidelity Series Bond Index NPORT	Mutual Fund	$699K	—	0.00%	2025-08-31
iShares 10+ Year Investment Grade Corporate Bond iShares	US IG Corporate	$592K	▼ $4K	0.02%	2026-05-07
iShares U.S. Long Credit Bond Index NPORT	Mutual Fund	$549K	—	0.02%	2025-10-31
iShares 10+ Year Investment Grade Corporate Bond NPORT	Mutual Fund	$536K	—	0.02%	2025-08-31