Fund · Franklin U.S. Core Bond ETF · measured from SEC filings
FLCB holdings
FLCB reports 599 holdings and behaves like 150.3 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 2026-06-30Computed 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: 1.74% at a quoted market price (level 1), 19 issuer countries.
What stands out
as of 2026-06-30FLCB's largest investment is T 3.25 06/30/27 at 3.16% of net assets. T 4.125 04/30/33 and Fnma-30yr follow; the three together are 8.93%. Ten companies are 19.03% of the fund; the other 589 share the rest. Among the 192 bond funds measured here, FLCB behaves like 150.3 holdings against a median of 236.4 — 1.6 times more concentrated than the median. Across 28 quarterly filings FLCB has become less concentrated: it behaved like 28.9 at 2019-09-30 and 150.3 at 2026-06-30. Between the 2026-03-31 and 2026-06-30 filings 136 positions were added and 61 dropped; 36.0% 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
28Between 2019-12-31 and 2026-06-30, FLCB went from behaving like 28.9 equally weighted positions to 150.3 — 420% more, while its top ten went from 44.18% to 19.03% of net assets. Read across the funds on the concentration-over-time table.
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2026-06-30 | 599 | 150.3 | 19.03% | 2.78% |
| 2026-03-31 | 524 | 97.9 | 23.79% | 5.91% |
| 2025-12-31 | 444 | 89.8 | 24.71% | 6.24% |
| 2025-09-30 | 423 | 88.9 | 24.16% | 6.27% |
| 2025-06-30 | 399 | 83.4 | 25.42% | 6.53% |
| 2025-03-31 | 395 | 81.8 | 26.18% | 6.98% |
| 2024-12-31 | 378 | 77.8 | 28.34% | 6.78% |
| 2024-09-30 | 395 | 80.7 | 28.69% | 6.31% |
Earlier filings (20 more, back to 2019-09-30)
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2024-06-30 | 351 | 80.5 | 29.78% | 4.07% |
| 2024-03-31 | 333 | 76.4 | 29.95% | 4.34% |
| 2023-12-31 | 320 | 74.5 | 30.18% | 4.42% |
| 2023-09-30 | 309 | 69.6 | 30.15% | 6.4% |
| 2023-06-30 | 290 | 65.9 | 30.64% | 6.55% |
| 2023-03-31 | 272 | 57.2 | 34.17% | 6.88% |
| 2022-12-31 | 255 | 58.5 | 33.88% | 6.07% |
| 2022-09-30 | 239 | 55.8 | 33.65% | 6.75% |
| 2022-06-30 | 250 | 56.4 | 32.91% | 6.77% |
| 2022-03-31 | 273 | 60.7 | 31.83% | 6.89% |
| 2021-12-31 | 279 | 62 | 31.73% | 6.15% |
| 2021-09-30 | 267 | 58.5 | 33.52% | 6.2% |
| 2021-06-30 | 251 | 54.1 | 35.04% | 6.51% |
| 2021-03-31 | 245 | 53 | 34.69% | 7.23% |
| 2020-12-31 | 250 | 63 | 31.82% | 6.38% |
| 2020-09-30 | 222 | 65.7 | 30.38% | 6.09% |
| 2020-06-30 | 268 | 60.4 | 31.57% | 6.31% |
| 2020-03-31 | 174 | 32.5 | 46% | 11.09% |
| 2019-12-31 | 182 | 28.9 | 44.18% | 14.01% |
| 2019-09-30 * | 126 | 16.2 | 58.81% | 18.74% |
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 599 positions in FLCB's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: FLCB.csv.gz.
| # | Position | Weight | Cumulative |
|---|---|---|---|
| 1 | UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 2.78% | 2.8% |
| 2 | UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 2.67% | 5.5% |
| 3 | FEDERAL NATIONAL MORTGAGE ASSOCIATION | 2.40% | 7.9% |
| 4 | FEDERAL NATIONAL MORTGAGE ASSOCIATION | 1.87% | 9.7% |
| 5 | UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 1.80% | 11.5% |
| 6 | FEDERAL NATIONAL MORTGAGE ASSOCIATION | 1.80% | 13.3% |
| 7 | UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 1.70% | 15.0% |
| 8 | FEDERAL NATIONAL MORTGAGE ASSOCIATION | 1.45% | 16.5% |
| 9 | INSTITUTIONAL FIDUCIARY TRUST | 1.39% | 17.9% |
| 10 | FEDERAL NATIONAL MORTGAGE ASSOCIATION | 1.18% | 19.0% |
| 11 | FEDERAL NATIONAL MORTGAGE ASSOCIATION | 1.16% | 20.2% |
| 12 | UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 1.15% | 21.3% |
| 13 | UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 1.05% | 22.4% |
| 14 | UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 1.05% | 23.4% |
| 15 | UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 1.03% | 24.5% |
By country of issuer
as of 2026-06-30Share of FLCB'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 | 92.73% |
| Cayman Islands° | 3.10% |
| United Kingdom | 0.65% |
| Canada | 0.55% |
| Ireland° | 0.46% |
| Jersey° | 0.43% |
| France | 0.29% |
| Luxembourg° | 0.25% |
Returns the fund reported
2019-09 – 2026-06Monthly total returns from Item B.5 of FLCB's own filings, 82 months on record. Not computed here and not from a price feed.
Cross-checked against a series computed separately from prices: median difference 0.10 percentage points over 81 months, which is roughly the distributions. Every month with the filing it came from: FLCB.json · all funds.
Since the previous filing
2026-03-31 → 2026-06-30524 positions became 599: 136 added (35.7% of the fund at the later date), 61 dropped (20.9% at the earlier date). Half the sum of all weight changes, a turnover proxy: 36.0%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of FLCB 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 |
|---|---|---|---|---|---|
| AIRBNB INC | 0.02% | 0.15% | UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 4.19% | 2.78% |
| MEDLINE BORROWER LP | 0.12% | 0.18% | INSTITUTIONAL FIDUCIARY TRUST | 1.85% | 1.39% |
| UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 0.07% | 0.12% | UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 0.93% | 0.51% |
| BURLINGTON NORTHERN SANTA FE LLC | 0.05% | 0.08% | UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 0.46% | 0.08% |
| SMBC AVIATION CAPITAL FINANCE DAC | 0.21% | 0.21% | UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 2.14% | 1.80% |
| UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT | 2.03% | 1.70% |
New: UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT (2.67%), FEDERAL NATIONAL MORTGAGE ASSOCIATION (2.40%), FEDERAL NATIONAL MORTGAGE ASSOCIATION (1.87%), FEDERAL NATIONAL MORTGAGE ASSOCIATION (1.80%), FEDERAL NATIONAL MORTGAGE ASSOCIATION (1.45%), FEDERAL NATIONAL MORTGAGE ASSOCIATION (1.18%). Gone: United States Treasury Notes (5.91%), Federal National Mortgage Association (2.34%), United States Treasury Notes (1.47%), FEDERAL NATIONAL MORTGAGE ASSOCIATION (0.69%), Federal Home Loan Mortgage Corp. (0.68%), Federal National Mortgage Association (0.65%).
Asset categories and pricing
as of 2026-06-30| Asset category (as filed) | Share of investments |
|---|---|
| debt DBT | 55.96% |
| mortgage-backed ABS-MBS | 22.77% |
| ABS-O ABS-O | 14.12% |
| short-term investment STIV | 3.45% |
| CDO/CLO ABS-CBDO | 3.35% |
| equity EC | 0.35% |
1.7% of FLCB 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
10Every measured debt fund lined up by how many holdings it behaves like; these sit either side of FLCB (150.3). Same filings, same arithmetic. Position in this list says nothing about which fund is better.
| Fund | Reports | Behaves like | Top ten | As of |
|---|---|---|---|---|
| BSJS Invesco BulletShares 2028 High Yield Corporate Bond ETF | 193 | 137.7 | 15.77% | 2026-05-31 |
| JMST JPMorgan Ultra-Short Municipal Income ETF | 1,892 | 138.5 | 13.59% | 2026-05-31 |
| FPE First Trust Preferred Securities and Income ETF | 259 | 140.9 | 15.09% | 2026-07-31 |
| FIXD First Trust Smith Opportunistic Fixed Income ETF | 489 | 141.5 | 19.97% | 2026-05-31 |
| MEAR iShares Short Maturity Municipal Bond Active ETF | 347 | 142.8 | 16.92% | 2026-07-31 |
| MYCH State Street(R) My2028 Corporate Bond ETF | 346 | 151.4 | 14.91% | 2026-05-31 |
| PTRB PGIM Total Return Bond ETF | 1,222 | 155.6 * | 19.68% | 2026-05-29 |
| MINT PIMCO Enhanced Short Maturity Active Exchange-Traded Fund | 1,016 | 158.4 | 13.16% | 2026-06-30 |
| NBSD Neuberger Short Duration Income ETF | 1,063 | 158.5 * | 15.23% | 2026-07-31 |
| FLCO Franklin Investment Grade Corporate ETF | 227 | 160.4 | 11.87% | 2026-06-30 |
Essays that examine FLCB
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.