257 essays 1,087 funds measured independent · not paid by any fund or issuer we cover

Fund · Vanguard Total Bond Market Index Fund · measured from SEC filings

BND holdings

BND reports 17,397 holdings and behaves like 877.7 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-06-30. The fact sheet publishes the first number; this page computes the second, and traces it across 28 quarters of filings.

Measured concentration

as of 2026-06-30
17,397 Positions reported
877.7 Effective holdings
19.8× Concentration multiple
4.63% Top ten weight

Computed by this site from the fund's SEC Form N-PORT filing; what the measure does not tell you · every fund in one table · hold it with other funds? X-ray the mix. Pricing: 0.9% at a quoted market price (level 1), 30 issuer countries, 0.3% restricted securities.

What stands out

as of 2026-06-30

BND's largest investment is Vanguard Market Liquidity Fund at 0.9% of net assets. US Treasury N/B and US Treasury N/B follow; the three together are 1.78%. Ten companies are 4.63% of the fund; the other 17,387 share the rest. Among the 192 bond funds measured here, BND behaves like 877.7 holdings against a median of 236.4 — 3.7 times the median. Across 28 quarterly filings BND has become less concentrated: it behaved like 656.9 at 2019-09-30 and 877.7 at 2026-06-30. Between the 2026-03-31 and 2026-06-30 filings 530 positions were added and 467 dropped; 7.4% of the weight moved.

Each sentence is read from the fund's own SEC filing; the class median is computed across the comparable bond funds on this site. Nothing here is a view on the fund.

Every filing since 2019

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Between 2019-09-30 and 2026-06-30, BND went from behaving like 656.9 equally weighted positions to 877.7 — 34% more, while its top ten went from 5.77% to 4.63% of net assets. Read across the funds on the concentration-over-time table.

PeriodHoldingsEffective Top 10Largest
2026-06-30 17,397 877.7 4.63% 0.9%
2026-03-31 17,361 854.6 4.83% 1.07%
2025-12-31 17,486 839.7 4.85% 1.14%
2025-09-30 17,730 880.5 4.65% 0.91%
2025-06-30 17,689 885.2 4.56% 0.8%
2025-03-31 17,794 912 4.43% 0.58%
2024-12-31 17,881 862.2 4.86% 0.81%
2024-09-30 17,875 886.6 4.75% 0.98%
Earlier filings (20 more, back to 2019-09-30)
PeriodHoldingsEffectiveTop 10Largest
2024-06-30 17,780 923.8 4.4% 0.57%
2024-03-31 17,812 937.4 4.42% 0.53%
2023-12-31 17,881 930.1 4.5% 0.57%
2023-09-30 17,923 906.8 4.55% 0.54%
2023-06-30 17,895 877.6 4.94% 0.69%
2023-03-31 17,693 860.7 4.99% 0.6%
2022-12-31 17,352 863.2 4.81% 0.63%
2022-09-30 17,286 847.1 4.86% 0.64%
2022-06-30 17,249 844.5 4.87% 0.63%
2022-03-31 17,237 773.1 5.86% 1.09%
2021-12-31 18,586 678.5 6.29% 1.81%
2021-09-30 18,705 675.6 6.25% 1.92%
2021-06-30 18,652 593.4 6.62% 2.46%
2021-03-31 18,638 531.8 7.13% 2.86%
2020-12-31 18,463 509.2 7.11% 3.01%
2020-09-30 18,384 495.2 7.26% 3.14%
2020-06-30 18,200 450.7 7.26% 3.51%
2020-03-31 17,796 789.5 5.02% 1.17%
2019-12-31 17,620 822.4 4.98% 1.39%
2019-09-30 17,480 656.9 5.77% 2.2%

One row per filed reporting period, newest first, read from EDGAR. Quarterly because that is the public filing cadence. Rows marked * are published but held out of the comparison above; the methodology page says when and why.

Compared with, in the essays

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Overlap with other funds

20

Measured against every other fund on this site, from the same filings. Combined effective holdings is how the pair behaves held in equal size.

WithOverlapSharedCombined effective
BND vs AGG 63.53% 7,456 837.5
BND vs VWO 0.9% 1 154.9
BND vs BNDX 0.9% 1 1782.5
BND vs VTV 0.76% 1 345.2
BND vs VXUS 0.73% 1 824.2
BND vs VIG 0.56% 1 222.5
BND vs VT 0.55% 1 502.2
BND vs VOO 0.34% 1 194.3
BND vs VTI 0.27% 1 248.2
BND vs VEA 0.17% 1 748.1
10 more pairs, down to 0% overlap
WithOverlapSharedCombined effective
BND vs VGT 0.11% 1 59.3
BND vs VUG 0.09% 1 77.4
BND vs ITOT 0% 0 245.4
BND vs IVV 0% 0 194.6
BND vs QQQ 0% 0 131.4
BND vs QQQM 0% 0 123.5
BND vs SCHD 0% 0 123.6
BND vs SGOV 0% 0 67.3
BND vs SMH 0% 0 54.8
BND vs XLK 0% 0 64

Largest positions, as filed

as of 2026-06-30

The 15 largest of 17,397 positions in BND's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: listed with the point-in-time files, available on request.

#PositionWeightCumulative
1Vanguard Cmt Funds-Vanguard Market Liquidity Fund0.92%0.9%
2United States Treasury Note/Bond0.48%1.4%
3United States Treasury Note/Bond0.42%1.8%
4United States Treasury Note/Bond0.42%2.2%
5United States Treasury Note/Bond0.42%2.7%
6United States Treasury Note/Bond0.42%3.1%
7United States Treasury Note/Bond0.41%3.5%
8United States Treasury Note/Bond0.41%3.9%
9United States Treasury Note/Bond0.41%4.3%
10United States Treasury Note/Bond0.40%4.7%
11United States Treasury Note/Bond0.39%5.1%
12United States Treasury Note/Bond0.37%5.5%
13United States Treasury Note/Bond0.36%5.8%
14United States Treasury Note/Bond0.36%6.2%
15United States Treasury Note/Bond0.35%6.5%

By country of issuer

as of 2026-06-30

Share of BND's own investments by the issuer country the filer reported (incorporation, not revenue). Each country links to every fund that holds it.

CountryShare
United States 93.32%
Not stated in filing 1.42%
Canada 1.08%
United Kingdom 0.83%
Japan 0.54%
Mexico 0.36%
Germany 0.32%
Netherlands° 0.19%

Returns the fund reported

2019-07 – 2026-06

Monthly total returns from Item B.5 of BND's own filings, 84 months on record. Not computed here and not from a price feed.

3.7%Last twelve months filed
9%Whole series, compounded
4.5%Best month
-4.3%Worst month

Cross-checked against a series computed separately from prices: median difference 0.04 percentage points over 84 months, which is roughly the distributions. Every month with the filing it came from: BND.json · all funds.

Since the previous filing

2026-03-31 → 2026-06-30

16,735 positions became 16,798: 530 added (5.3% of the fund at the later date), 467 dropped (4.1% at the earlier date). Half the sum of all weight changes, a turnover proxy: 7.4%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of BND compared this way, as a feed: changes.xml · all funds: filings received.

Largest increases2026-03-312026-06-30Largest decreases2026-03-312026-06-30
United States Treasury Note/Bond0.18%0.41% Vanguard Cmt Funds-Vanguard Market Liquidity Fund1.07%0.90%
United States Treasury Note/Bond0.10%0.25% United States Treasury Note/Bond0.19%0.15%
United States Treasury Note/Bond0.11%0.24% United States Treasury Note/Bond0.17%0.14%
United States Treasury Note/Bond0.05%0.14% United States Treasury Note/Bond0.18%0.16%
United States Treasury Note/Bond0.14%0.22% United States Treasury Note/Bond0.15%0.14%
United States Treasury Note/Bond0.07%0.14% United States Treasury Note/Bond0.36%0.35%

New: United States Treasury Note/Bond (0.33%), United States Treasury Note/Bond (0.25%), United States Treasury Note/Bond (0.21%), United States Treasury Note/Bond (0.19%), United States Treasury Note/Bond (0.19%), United States Treasury Note/Bond (0.18%). Gone: United States Treasury Note/Bond (0.31%), United States Treasury Note/Bond (0.29%), United States Treasury Note/Bond (0.23%), United States Treasury Note/Bond (0.21%), United States Treasury Note/Bond (0.19%), United States Treasury Note/Bond (0.18%).

Asset categories and pricing

as of 2026-06-30
Asset category (as filed)Share of investments
debt DBT77.92%
mortgage-backed ABS-MBS20.77%
short-term investment STIV0.90%
CDO/CLO ABS-CBDO0.41%

0.9% of BND is carried at a quoted market price (fair-value level 1). Categories and levels are the filer's, from Form N-PORT; what a low level-1 share does and does not mean is in the measure's page.

Neighbours by effective holdings, debt funds

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Every measured debt fund lined up by how many holdings it behaves like; these sit either side of BND (877.7). Same filings, same arithmetic. Position in this list says nothing about which fund is better.

FundReportsBehaves likeTop tenAs of
JNK State Street(R) SPDR(R) Bloomberg High Yield Bond ETF 1,199 693.3 5.14% 2026-06-30
BBHY JPMorgan BetaBuilders USD High Yield Corporate Bond ETF 1,609 726.7 4.93% 2026-05-31
HYBB iShares BB Rated Corporate Bond ETF 1,072 729.1 4.6% 2026-07-31
CGHM Capital Group Municipal High-Income ETF 3,498 766.5 5.67% 2026-06-30
SCHZ Schwab U.S. Aggregate Bond ETF 12,327 807.8 4.92% 2026-06-30
BHYB Xtrackers USD High Yield BB-B ex Financials ETF 1,478 903.4 4.4% 2026-05-31
ITM VanEck Intermediate Muni ETF 1,369 905 3.9% 2026-07-31
IAGG iShares Core International Aggregate Bond ETF 8,357 906 6.08% 2026-07-31
HYG iShares iBoxx $ High Yield Corporate Bond ETF 1,322 907.5 3.57% 2026-05-31
BWX State Street(R) SPDR(R) Bloomberg International Treasury Bond ETF 1,372 911.5 2.77% 2026-06-30

Measures applied in the essays

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Essays that examine BND

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Mentions are detected across the full text of every article, so an appearance may be a passing comparison rather than the subject. Nothing here is a recommendation to buy or sell — see the disclaimer.