Fund · Vanguard Core Bond ETF · measured from SEC filings
VCRB holdings
VCRB reports 3,486 holdings and behaves like 501.4 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 11 quarters of filings.
Measured concentration
as of 2026-06-30Computed 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: 0.36% at a quoted market price (level 1), 56 issuer countries, 17.7% restricted securities.
What stands out
as of 2026-06-30VCRB's largest investment is Fncl 5 7/26 at 2.33% of net assets. US Treasury N/B and Nvidia Corp follow; the three together are 4.31%. Ten companies are 8.36% of the fund; the other 3,476 share the rest. Among the 192 bond funds measured here, VCRB behaves like 501.4 holdings against a median of 236.4 — 2.1 times the median. Across 11 quarterly filings VCRB has become less concentrated: it behaved like 26.3 at 2023-12-31 and 501.4 at 2026-06-30. Between the 2026-03-31 and 2026-06-30 filings 665 positions were added and 349 dropped; 36.3% of the weight moved. the United States is the largest country at 80.2% of the portfolio, across 56 countries in the filing.
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 2023
11Between 2023-12-31 and 2026-06-30, VCRB went from behaving like 26.3 equally weighted positions to 501.4 — 1807% more, while its top ten went from 39.69% to 8.36% of net assets. Read across the funds on the concentration-over-time table.
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2026-06-30 | 3,486 | 501.4 | 8.36% | 2.23% |
| 2026-03-31 * | 3,177 | 398 | 11.59% | 1.72% |
| 2025-12-31 * | 2,749 | 462.5 | 9.28% | 1.49% |
| 2025-09-30 * | 2,644 | 435.2 | 9.41% | 1.92% |
| 2025-06-30 * | 2,242 | 405.5 | 8.95% | 1.63% |
| 2025-03-31 * | 1,921 | 313.1 | 10.98% | 1.88% |
| 2024-12-31 | 1,620 | 213.5 | 14.62% | 3.84% |
| 2024-09-30 | 1,382 | 167.3 | 18.15% | 3.15% |
Earlier filings (3 more, back to 2023-12-31)
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2024-06-30 * | 830 | 143.7 | 18.51% | 3.4% |
| 2024-03-31 | 533 | 127.9 | 18.95% | 4.43% |
| 2023-12-31 | 178 | 26.3 | 39.69% | 16.23% |
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.
Largest positions, as filed
as of 2026-06-30The 15 largest of 3,486 positions in VCRB's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: VCRB.csv.gz.
| # | Position | Weight | Cumulative |
|---|---|---|---|
| 1 | Fannie Mae or Freddie Mac | 2.23% | 2.2% |
| 2 | United States Treasury Note/Bond | 0.97% | 3.2% |
| 3 | NVIDIA Corp | 0.93% | 4.1% |
| 4 | NVIDIA Corp | 0.72% | 4.9% |
| 5 | Fannie Mae or Freddie Mac | 0.65% | 5.5% |
| 6 | United States Treasury Note/Bond | 0.62% | 6.1% |
| 7 | Kreditanstalt fuer Wiederaufbau | 0.58% | 6.7% |
| 8 | Fannie Mae REMICS | 0.57% | 7.3% |
| 9 | OBX 2026-INV2 Trust | 0.55% | 7.8% |
| 10 | Ginnie Mae II Pool | 0.54% | 8.4% |
| 11 | United States Treasury Note/Bond | 0.53% | 8.9% |
| 12 | Finland Government International Bond | 0.52% | 9.4% |
| 13 | United States Treasury Note/Bond | 0.52% | 9.9% |
| 14 | Fannie Mae or Freddie Mac | 0.52% | 10.4% |
| 15 | United States Treasury Note/Bond | 0.51% | 10.9% |
By country of issuer
as of 2026-06-30Share of VCRB's own investments by the issuer country the filer reported (incorporation, not revenue). Each country links to every fund that holds it.
| Country | Share |
|---|---|
| United States | 80.20% |
| Canada | 1.60% |
| Italy | 1.37% |
| Spain | 1.31% |
| Mexico | 1.12% |
| United Kingdom | 1.12% |
| Cayman Islands° | 1.08% |
| Germany | 1.00% |
Returns the fund reported
2023-12 – 2026-06Monthly total returns from Item B.5 of VCRB's own filings, 31 months on record. Not computed here and not from a price feed.
Cross-checked against a series computed separately from prices: median difference — percentage points over 0 months, which is roughly the distributions. Every month with the filing it came from: VCRB.json · all funds.
Since the previous filing
2026-03-31 → 2026-06-303,107 positions became 3,423: 665 added (31.5% of the fund at the later date), 349 dropped (26.3% at the earlier date). Half the sum of all weight changes, a turnover proxy: 36.3%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of VCRB compared this way, as a feed: changes.xml · all funds: filings received.
| Largest increases | 2026-03-31 | 2026-06-30 | Largest decreases | 2026-03-31 | 2026-06-30 |
|---|---|---|---|---|---|
| United States Treasury Note/Bond | 0.02% | 0.35% | Vanguard Cmt Funds-Vanguard Market Liquidity Fund | 1.44% | 0.29% |
| United States Treasury Note/Bond | 0.11% | 0.41% | Agence Francaise de Developpement EPIC | 0.35% | 0.03% |
| United States Treasury Note/Bond | 0.12% | 0.39% | Central American Bank for Economic Integration | 0.31% | 0.04% |
| United States Treasury Note/Bond | 0.24% | 0.47% | United States Treasury Note/Bond | 0.29% | 0.03% |
| United States Treasury Note/Bond | 0.29% | 0.51% | Cyprus Government International Bond | 0.31% | 0.20% |
| United States Treasury Note/Bond | 0.28% | 0.50% | Abbott Laboratories | 0.24% | 0.14% |
New: Fannie Mae or Freddie Mac (2.23%), NVIDIA Corp (0.93%), NVIDIA Corp (0.72%), Fannie Mae or Freddie Mac (0.65%), Kreditanstalt fuer Wiederaufbau (0.58%), Fannie Mae REMICS (0.57%). Gone: Fannie Mae or Freddie Mac (1.72%), Ginnie Mae II Pool (1.48%), Fannie Mae or Freddie Mac (1.31%), Fannie Mae or Freddie Mac (1.30%), United States Treasury Note/Bond (0.87%), Fannie Mae or Freddie Mac (0.87%).
Asset categories and pricing
as of 2026-06-30| Asset category (as filed) | Share of investments |
|---|---|
| debt DBT | 59.24% |
| mortgage-backed ABS-MBS | 35.68% |
| CDO/CLO ABS-CBDO | 4.59% |
| short-term investment STIV | 0.29% |
| DIR DIR | 0.13% |
| DFE DFE | 0.06% |
| loan LON | 0.01% |
0.4% of VCRB is carried at a quoted market price (fair-value level 1); 0.1% at level 3, priced from the filer's own inputs. 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.
Derivative exposure and counterparties
as of 2026-06-30A position count cannot describe a fund that uses derivatives, because a swap is filed at its unrealised gain, not its exposure. These are the notionals the fund itself reported, against net assets of $7.29B. Notional of an interest-rate or currency swap is not equity exposure.
| Swap counterparty | Notional | % of net assets |
|---|---|---|
| MIZUHO CAPITAL MARKETS LLC | $333M | 4.57% |
| CITIGROUP INC | $238M | 3.26% |
| Bank of America NA | $155M | 2.12% |
| BARCLAYS PLC | $148M | 2.03% |
| Deutsche Bank AG | $117M | 1.6% |
| BNP PARIBAS | $108M | 1.48% |
| WELLS FARGO & COMPANY | $88M | 1.21% |
| CITADEL SECURITIES SWAP DEALER LLC | $72M | 0.99% |
| CITIGROUP GLOBAL MARKETS INC | $47M | 0.64% |
| Societe Generale SA | $33M | 0.45% |
| JPMORGAN CHASE & CO | $25M | 0.34% |
| NOMURA SECURITIES INTERNATIONAL INC | $19M | 0.27% |
| Goldman Sachs | $6M | 0.09% |
| MORGAN STANLEY & CO. LLC | $6M | 0.08% |
| Nomura Global Financial Products, Inc | $0M | 0% |
| JPMORGAN CHASE BANK, NATIONAL ASSOCIATION | $0M | 0% |
| Barclays Bank plc | $0M | 0% |
| Wells Fargo Bank NA | $0M | 0% |
| Goldman Sachs International | $0M | 0% |
Financing leg as filed: the fund pays SOFRRATE + 0% on $607M of long swap notional . Issuers fill the spread field differently (some file the all-in rate), so compare within an issuer, not across.
25 option positions filed, 12 of them written. The book as filed:
| Type | Side | Strike | Expiry | Underlying |
|---|---|---|---|---|
| Call | Purchased | 3.35 | 2030-10-16 | Secured Overnight Financing Rate |
| Put | Written | 4.91 | 2027-06-24 | Secured Overnight Financing Rate |
| Put | Written | 3.85 | 2028-01-20 | Secured Overnight Financing Rate |
| Put | Written | 3.954 | 2026-10-19 | Secured Overnight Financing Rate |
| Call | Written | 1.5 | 2028-03-10 | Secured Overnight Financing Rate |
| Put | Written | 5.327 | 2036-05-21 | Secured Overnight Financing Rate |
| Call | Written | 2.91 | 2027-06-24 | Secured Overnight Financing Rate |
| Put | Purchased | 3.45 | 2027-02-05 | Secured Overnight Financing Rate |
| Put | Purchased | 3.6 | 2028-01-20 | Secured Overnight Financing Rate |
| Put | Purchased | 3.5 | 2027-01-21 | Secured Overnight Financing Rate |
| Put | Purchased | 109 | 2026-07-24 | as filed, not named |
| Call | Written | 3.608 | 2035-10-16 | Secured Overnight Financing Rate |
| Call | Purchased | 3.91 | 2027-06-24 | Secured Overnight Financing Rate |
| Call | Purchased | 2.5 | 2028-03-10 | Secured Overnight Financing Rate |
| Put | Purchased | 3.91 | 2027-06-24 | Secured Overnight Financing Rate |
| Call | Written | 3.39 | 2027-05-13 | Secured Overnight Financing Rate |
9 more in leverage.json.
Full detail for every fund that files derivatives: leverage.json (CC BY 4.0).
Neighbours by effective holdings, debt funds
10Every measured debt fund lined up by how many holdings it behaves like; these sit either side of VCRB (501.4). Same filings, same arithmetic. Position in this list says nothing about which fund is better.
| Fund | Reports | Behaves like | Top ten | As of |
|---|---|---|---|---|
| VPLS Vanguard Core-Plus Bond ETF | 2,903 | 446.1 * | 9.8% | 2026-06-30 |
| HYMB State Street(R) SPDR Nuveen ICE High Yield Municipal Bond ETF | 1,870 | 456.2 | 9.2% | 2026-06-30 |
| SPSB State Street(R) SPDR(R) Portfolio Short Term Corporate Bond ETF | 1,601 | 463.5 | 6.92% | 2026-06-30 |
| EUSB iShares ESG Advanced Universal USD Bond ETF | 4,233 | 479.3 | 6.99% | 2026-05-31 |
| MLN VanEck Long Muni ETF | 654 | 485.5 | 5.4% | 2026-07-31 |
| VWOB Vanguard Emerging Markets Government Bond Index Fund | 935 | 532.4 | 6.58% | 2026-07-31 |
| DFNM Dimensional National Municipal Bond ETF | 1,200 | 538 | 6.03% | 2026-07-31 |
| AGG iShares Core U.S. Aggregate Bond ETF | 13,268 | 562.7 | 6.3% | 2026-05-31 |
| VCRM Vanguard Core Tax-Exempt Bond ETF | 2,404 | 571.2 | 7.13% | 2026-07-31 |
| AGGY WisdomTree Yield Enhanced U.S. Aggregate Bond Fund | 2,140 | 582.6 | 8.16% | 2026-05-31 |
Essays that examine VCRB
0Mentions 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.